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CD-C811W/821W

SERVICE MANUAL
No. S6938CDC811W/

1

Illustration: CD-C811W

CD-C811W CD-C821W
CD-C811W mini component system consisting of CD-C811W (Main unit), CP-C811W (Front speaker). CD-C821W mini component system consisting of CD-C821W (Main unit), CP-C821W (Front speaker) and GBOXS0028AWM1 (Surround speaker).
· In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used.

Illustration: CD-C821W

DIFFERENCE BETWEEN CD-C811W AND CD-C821W
SECTION CD-C811W None CD-C821W Used

0.8

Surround Speaker

CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL ............................................................................................................ 2 VOLTAGE SELECTION ..................................................................................................................................................... 2 SPECIFICATIONS ............................................................................................................................................................. 3 NAMES OF PARTS ........................................................................................................................................................... 4 OPERATION MANUAL ...................................................................................................................................................... 6 DISASSEMBLY .................................................................................................................................................................. 7 REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 9 ADJUSTMENT ................................................................................................................................................................. 10 NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 12 TYPE OF TRANSISTOR AND LED ................................................................................................................................. 12 BLOCK DIAGRAM ........................................................................................................................................................... 13 SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................. 18 WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 40 TROUBLESHOOTING ..................................................................................................................................................... 41 FUNCTION TABLE OF IC ................................................................................................................................................ 45 FL SEGMENT ................................................................................................................................................................... 52 PARTS GUIDE/EXPLODED VIEW

SHARP CORPORATION
­1­

This document has been published to be used for after sales service only. The contents are subject to change without notice.

CD-C811W/821W
SW3 DISC NUMBER SW1 OPEN CLOSE M3 TURNTABLE UP/DOWN LOADING MOTOR

SW2 MECHA UP

TO MAIN PWB (TO IC401)
1 2 3 4 5 6 CNP11
R-CH L-CH

TO DISPLAY PWB
SOLM2 SOLENOID

M
­
+

CNS10 10

9 8 7 6 5 4 3 2 1

+B1

+7V

CNP10 10 SWITCHING REGULATOR

Q51

40 37 36 38 39
RCHO LCHO LVDD

27
CONT4

24 25
CONT1 CONT2

+5V

/RES. /CQCK. COIN SQOUT. RWC. WRQ

43 XVDD 41 RVDD 36 LVDD 23 VDD 5 ISET 6 VVDD 44 XOUT

LVSS RVSS

X1 16.93MHz

CONT3 IC2 LC78622N SERVO/SIGNAL CONTROL
EFMO EFMIN CLV+

26 58 53
~

9 10 12

20

JP­

45 XIN

CL, DAT, CE

GND (D) MECHA UP GND (D) DISK NO. OPEN CLOSE GND (D) M­ M+ SOL­ SOL+

9 8 7 6 5 4 3 2 1

VOLTAGE REGULATOR

CV+ SLC SL1

JP­

Q52
+4.3V

CE 53 DAT 52 CL 51 DRF 54 SL+ 31 SL­ 30 SLD 29 SP 23 SPO 27 FD 16 TO 15

+B1

32

40 43 44

SL+. SL­. DRF

+5V
LASER DRIVER

64 VCC1

IC1 LA9241M SERVO AMP.
FIN2 FIN1 E F

42 41 20 40 24 18 28 39 38 37 36 23

Q1

62 LD0

25 20 17

2 1

1 2 3 4

6 7 4 5

15 16 26 27

M2 SLED MOTOR
TRACKING COIL FOCUS COIL

M
SW4 PICKUP IN

M1 SPINDLE MOTOR

M

PICKUP UNIT

Figure 13 BLOCK DIAGRAM (1/5) ­ 13 ­

~

IC3 M63001FP FOCUS/ TRACKING/ SPIN/SLIED DRIVER

+B5

35 29 22 21 14

~

8

PU-IN SW

~

~

CD-C811W/821W
CD-C811W

SO301 ANTENNA TERMINAL
FM 75 ohms GND AM

+B4 FM IF AMP Q301 FM IF 1 CF302 3 FM IF IN 1 VR351 FM MUTE LEVEL 2 OUT AM IF T351 3 REG AM IF 1 CF352 3

FM IF CF351

+B4

X351 456kHz

FOO

8

FE301 FM FRONT END
2 6 7 3 4

FM IF 1 5 1 CF301 3

S

OSC

F OUT

4 5 8 9 IN GND VCC

VT

17

19

AM OSC OUT
24 23 22

IC303 LA1832 FM IF DET./FM MPX./AF IF
21

7

13

6

10

11

12

14 15

AM OSC IN

AM RF IN

MONO/ST

FM AFC

STEREO

SD

IF OUT

L

R MUTING

FMOSC

AM RF AM ANT T302 AM OSC T306

Q361 SWITCHING

Q353 Q354 TUNER MUTE

VOLTAGE REGURATER +B4

AM IN

FM IN

X352 4.5MHz

IF IN

+5V
17

FM +B

+B4 Q360 7

20

1

22

15

16

11

10

13

12

FM

VOLTAGE REGULATOR

IC302 LC72131 PLL CONTROLLER
3 4 5 6
21

CE DI CL DO
Q371 PLL DATA BUFFR

+B4 11 10

TAPE CNS401 1 2 3 4 TUNER CD

FROM CD PWB CNP11

TAPE 1 L-CH R-CH PLAYBACK HEAD TAPE 2 REC P.B SWITCHING Q501~Q509

IC501 AN7345K PLAYBACK AND RECORD /PLAYBACK AMP.
L(T1) 1 R(T1) 24 L(T2) 2 R(T2) 23 L NF 3 R NF 4 POP REDUCE 6 L REC 9 R REC 16 RIPPLE 14
12

L R L R L R

4
17

3
18

2
19

IC401 M62439SP AUDIO PROCESSOR
1 20 9

13 R

8 L

SWITCHING Q514 Q515 Q516
BIAS OSC

P.B.

13

+B4

4 L 21 R 5
20

PB

L-CH R-CH

Q512 Q513 SWITCHING

L-CH R-CH RECORD/ PLAYBACK HEAD AC BIAS

T1/T2 REC

H/N

NOR/ CRO2
15

L REC 7 R 8 L NF 17 R NF 10 NC
18

T1/T2
19

T

ERASE HEAD

Figure 14 BLOCK DIAGRAM (2/5) ­ 14 ­

CD-C811W/821W

SWM3 FOOL PROOF SWM4 F.A.S SOLM1 SOLENOID SWM5 CAM

MOTOR DRIVER

FL701 FL DISPLAY
1 2 3 ~ 14 ,17 ,18 ,21 ~ 30
31 32 33 FL SEGMENT DRIVER

M

Q701 Q702
SOLENOID DRIVER

MM1 TAPE MOTOR

Q703

56 54 53 49 51 44 42 43 52 36 41 47 46 34 58 25 ~ 27

1 ~ 6 61 ~ 70 , 72 ~ 77, 79,80

71

7

~

IC701 IX0300AW SYSTEM MICROCOMPUTER

1 RX701 3 2
+B7

~

REMOTE SENSOR

57 24 18 , 21 ~ 23 19 30 13 ~ 16 34 35 17

9 ~ 12

LED701

KEY SW901~SW703 SW707~SW722

+B5

RESET XL701 4.19MHz Q704

TO CD SECTION CNP12

PHM1 RUN PALS SENSOR

+B5

Q631 Q632

JK601 HEADPHONES 3 SO901 SPEAKER TERMINALS
11 L-OUT

L-CH

2

R-CH 5
+B4

IC601 LA4282 POWER AMP.
+B
10 12

7 R-OUT PT901 POWER TRANSFORMER F901 T2.5A L 250V

Q401 Q402

FRONT SPEAKER

MUTING
13 R

+12V(MOTOR) +12V

VOLTAGE REGULATOR 230-240V D910,D911 D914,D915 F902 T1.6A L 250V 220V 127V 110V SW902 VOLTAGE SELECTOR

8 L

+B1

SOR
+B4

+B5 2 3 ING REC

3 IC903 1 KIA7812P VOLTAGE 2 F903 REGULATOR T500mA L 250V +7V CD+B 3 IC902 1 KIA7806P CONSTANT 2 VOLTAGE REGULATOR +5V 2 IC901 1 AN78L05 3

D912,D913 D916,D917 Q901
VOLTAGE REGULATOR

T.F RL901 RELAY

SO901 AC SOCKET

+B6

+5V Q902 RL901(RELAY)DRIVER

AC POWER SUPPLY CORD AC 110/127/220/ 230-240V 50/60Hz

T1/T2 +B7 UNSWITCH

CONSTANT VOLTAGE REGULATOR 2 IC904 1 AN78L05 3

D921~D924

PT902 BACK UP TRANSFORMER

Figure 15 BLOCK DIAGRAM (3/5) ­ 15 ­

CD-C811W/821W
CD-C821W

SO301 AM/FM ANTENNA TERMINAL
FM 75 ohms GND AM

+B4 FM IF AMP Q301

FM IF CF351

+B4

X351 456kHz

FOO

8

FE301 FM FRONT END
2 6 7 3 4

FM IF 1 5 1 CF301 3

FM IF 1 CF302 3 FM IF IN 1 2 OUT AM IF T351 3 REG AM IF 1 CF352 3 4 IN 5 8 9 17 VCC GND
19 20

S

F OUT

OSC

VT

VR351 FM MUTE LEVEL

AM OSC OUT
24 23 22

IC303 LA1832 FM IF DET./FM MPX./AF IF
21

7

13

6

10

11

12

14 15

AM OSC IN

AM RF IN

MONO/ST

FM AFC

STEREO

SD

IF OUT

L

R MUTING

FMOSC

AM RF AM ANT T302 AM OSC T306

Q361 SWITCHING

Q353 Q354 TUNER MUTE

VOLTAGE REGURATER +B4 X352 4.5MHz

AM IN

FM IN

IF IN

FM +B

+B4 Q360 7

20

1

22

15

16

11

10

13

12

17

+5V

FM

VOLTAGE REGULATOR

IC302 LC72131 PLL CONTROLLER
3 4 5 6
21

CE DI CL DO
Q371

+B4 11 10

TAPE CNS401 1 2 3 4 TUNER CD

FROM CD PWB CNP11

TAPE 1 L-CH R-CH PLAYBACK HEAD REC TAPE 2 P.B L-CH R-CH RECORD/ PLAYBACK HEAD AC BIAS SWITCHING Q501~Q509

IC501 AN7345K PLAYBACK AND RECORD /PLAYBACK AMP.
L(T1) 1 R(T1) 24 L(T2) 2 R(T2) 23 L NF 3 R NF 4 POP REDUCE 6 T1/T2 L REC 9 REC R REC 16 H/N P.B.
13

SWITCHING Q514 Q515 Q516 BIAS OSC

+B4

4 L 21 R 5
20

PB

L-CH R-CH

Q510 Q511

TAPE MUTING SPARE

L R L R L R

4
17

3
18

2
19

IC401 M62439SP AUDIO PROCESSOR
1 20 9

13 R

8 L

Q512 Q513 SWITCHING

RIPPLE 14
12

NOR/ CRO2
15

L REC R 8 L NF 17 R NF 10 NC 7
18

T1/T2
19

ERASE HEAD

Figure 16 BLOCK DIAGRAM (4/5) ­ 16 ­

CD-C811W/821W

SWM3 FOOL PROOF SWM4 F.A.S SOLM1 SOLENOID SWM5 CAM

MOTOR DRIVER

MM1 TAPE MOTOR

FL701 FL DISPLAY
1 2 3 ~ 30
31 32 33 FL SEGMENT DRIVER

M

Q702 Q703

SOLENOID DRIVER

Q705

58 49 47 45 42 54 52 53 46 42 41 39 38 37 36 34 29 31 ~ 33

69 ~ 78 80 ~ 89 92 ~ 99

79

100

~

IC701 IX0309AW SYSTEM MICROCOMPUTER

1 RX701 3 2 +B7

REMOTE SENSOR

51 30 24 23 22 21 20 19 43 18 17 9 12 11 10 15

6 5 4 3

LED701

KEY SW701~SW704, SW706, SW707, SW710~SW720, SW722~SW728

+B5 PHM1 RUN PALS SENSOR

RESET XL701 4.19MHz Q704

TO CD SECTION CNP12

+B5

L-CH

13

R-CH 9
+B4

IC601 LA4451 POWER AMP.
+B
7 12

JK601 HEADPHONES SO901 SPEAKER TERMINALS
2 L-OUT

5 R-OUT PT901 POWER TRANSFORMER F901 T3.15A L 250V

Q401 Q402 MUTING +12V(MOTOR)
13 R

SURROUND SPEAKER

FRONT SPEAKER

VOLTAGE REGULATOR 230-240V D910,D911 D914,D915 F902 T1.6A L 250V 220V 127V 110V T.F Q901 RL901 RELAY SO901 AC SOCKET SW902 VOLTAGE SELECTOR

8 L

+B1

OR
+B4

+B5 REC NG

3 IC903 1 KIA7812P VOLTAGE 2 F903 REGULATOR T500mA L 250V +7V CD+B 3 IC902 1 KIA7806P CONSTANT 2 VOLTAGE REGULATOR +5V 2 IC901 1 AN78L05 3

+12V

D912,D913 D916,D917
VOLTAGE REGULATOR

+B6

+5V Q902

AC POWER SUPPLY CORD AC 110/127/220/ 230-240V 50/60Hz

T1/T2 +B7 UNSWITCH

CONSTANT VOLTAGE REGULATOR 2 IC904 1 AN78L05 3

D921~D924

PT902 BACK UP TRANSFORMER

Figure 17 BLOCK DIAGRAM (5/5) ­ 17 ­

CD-C811W/821W
CD-C811W

A
F F

C707 220/6.3 2 1

FL701 FL DISPLAY
1 2 P15 P16 P13 P20 P14 P11 P10 P9 P8 P7 P6 5G P5 P4 6G 7G P3 P2 8G P1 P12 P19 P18 P17 1G 2G 3G 4G 9G F F 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 NC NC NC NC

Q703 KRC107 M FL SEGMENT DRIVER 3 -25V 4.8V R791 1K -25V R741 100K C709

R792 33

B

C774 100/10

C
C775 2.2/50

C703 1/50

C704 1/50

D

S12 S13 S14 S15 SPN_P 4.9V DIST0 0V POWER 4.7V AC RLY CONT 4.7V S MUTE 0V

T.MOTOR 4.7V T.SOL 12V CAM SW 0V IC 0V REMOCON 5.2V SYSTEM STOP 4.9V TAMUTE 1.6V T T1T2 2.4V T_BIAS 0V REC/PLAY 4.6V R719 R721 1K 1K R723 NC 1K R716 1K R727 1K R725 1K R772 3.3(1/2W) R747 10K

65

OPEN 4.7V FPA 5V T1FAS 0V VDD 4.7V

CD U/D SW 5V

-24.8V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 6G 80 25 -24.8V 5G 26 79 T8 -24.8V 27 78 LCK -27.8V P17 77 28 S0 -18.2V P18 76 29 S1 80 T7 -18.2V P19 25 A/D KEYIN 1 30 75 S2 -21.2V P12 26 A/D KEYIN 2 74 S3 OPEN 31 -21.2V P1 27 A/D KEYIN 3 73 S4 32 -18V P6 28 A/D DIST 72 S5 VSS 33 -28V VLOAD 71 34 -18V P7 70 S6 35 -27.8V P8 69 S7 36 65 S11 -27.8V P9 68 S8 37 -27.8V P10 67 S9 38 -21.3V P11 66 S10 39 -21.3V P14

IC701 IX0300AW SYSTEM MICROCOMPUTER

RESET CD SQOUT TIMER LED AVSS CD CQCK CD DSP RES

CD FRF A/D T2 RUN

T6 T5 T4 T3 T2 T1 T0 VDD DO DI CE CLK CD RWC CD WRQ CD PCCL CD COIN

-24.8V 7G 8G -24.8V 1G -22V 2G -24.8V 3G -24.8V 4G -24.8V 9G -24.8V 4.7V R704 1K 4.7V R705 1K 0V R706 1K 0V R708 1K 0V R710 1K 0V R711 1K 1.6V R713 1K 0V R715 1K 4.6V R717 1K 4.6V R718 1K 1.9V 3.9V 0.5V R722 1K 4.6V R724 1K 4.6V R726 1K 1.6V R728 1K 4.2V
40

P15 R701 1K

R712 2.2K

R702 1K

E
+B R739 10K 12V 12V Q701 KTA1273 Y MOTOR DRIVER

+B R714 2.2K

R703 1K R775 1K

R707 1K R709 1K

-28V P20 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 -21.2V P13 -21.2V -28V P16

C706 0.022

F

C773 0.0047

Q702 D701 KTA1271 Y DS1SS133 12V 0V R800 10 12V (1/2W) R740 10K +B SOLENOID DRIVER

R742 10K

R745 10K

C705 47/16

R746 10K

+B C77 0.02

CNPM1

G

MM1 TAPE MOTOR 1 SWM3 FOOL PROOF SWM4 F.A.S SOLM1 SOLENOID SWM5 CAM 2 1 FWM2

1

CNPM2

10 11 12

SOLENOID MECHA STOP

TO MAIN PWB P23 12-F

H

· NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1 2 3 4 5 6

Figure 18 SCHEMATIC DIAGRAM (1/15) ­ 18 ­

SW

1

4

MOTOR 2 PHM1 PHOTE INTERRUPTER 3 +B T2 RUNPALS

1 2 3 4 5 6 7 FOOL PROOF 8 9 T1 RUNPALS 10 SOLENOID 11 MECHA STOP 12

S_MUTE SPN_P

M

5V

FWM1 2 +

CNS702 MOTOR 1 2 3 GND 4 +B 5 T2 RUNPALS 6 7 FOOL PROOF 8 9 T1 RUNPALS

VF2 -VP VF1 D_GND M_+12V UN_SW_+5V

CAM SW SOLENOIDO T1FAS FPA

A/D T2 RUN +B M_GND

MOTOR

TAPE MECHANISM PWB-E

8 7 6 5 4 3 2 1

R743 1.2K

+B

BI702

R748 10K

R749 10K

R729 1K

CD-C811W/821W

+B R758 1.8K

SWITCH PWB-A4
R761 820 LED701 SLI342UCJ1 TIMER C709 0.022 R752 10K R762 1.2K R778 8.2K 1 FW705 1 R780 3.9K SW707 DISC SKIP SW708 OPEN/ CLOSE SW701 SW702 SW703 ON/ TIMER/ STANDBY CLOCK SLEEP 3 3

1K 1K 1K 1K

4.6V 4.6V 1.6V 4.2V

R755 3.3K

10K 10K

R722 R724 R726 R728

R753 10K

10K

R763 820

R765 1.2K

R767 1.5K

R770 1.8K

R773 2.2K

R776 3.3K

21 22 23 24

R754 R756 R757

SW709 SW710 SW711 SW712 SW713 SW714 SW715 4.9V RECORD MEMORY REWIND /PAUSE /SET R764 820 +B R760 3.3K R766 1.2K R768 1.5K STOP R771 1.8K TUNER /BAND R774 2.2K TAPE R777 3.3K CD

CD CQCK CD DSP RES

CD FRF A/D T2 RUN

N 1 N 2 N 3 T

R735 R736 26 R737 27 R738 28 AVDD 29 AVREF 30
25

1K 4.9V 1K 1K 4.9V 1.2V 1K 4.7V 4.9V

SW716 SW717 SW718 TUNING TUNING FAST DOWN UP FORWARD

SW719 SW720 SW721 SW722 PLAY VOLUME VOLUME X-BASS /DEMO DOWN UP

R

OPEN 31 1.8V 32 4.6V XL701 4.19MHz VSS 33 2.1V
34 35 36 37 38 39 40

0V C701 15P (CH) R730 R731 R732 R733 R734 1K 1K 1K 1K 1K C702 18P(CH)

CD CD CD CD CD 5V

T T1T2 2.4V T_BIAS 0V REC/PLAY 4.6V CD U/D SW 5V

2.3V SLM + 0V SLM ­ 0V PUIN SW 5V O/C SW 5V DISC NO SW

+B

44 43 42 41

R727 1K

R729 1K

R750 10K +B L701 100µH D702 DS1SS133 +B R782 47K +B R793 270K

R785 4.7K

1K

D705 DS1SS133

725 1K R749 10K 3.3(1/2W) C708 0.001

+B

D703 DS1SS133

R751 10K C710 0.01

IC702 KIA7042P RESET

R748 10K

C770 0.1/50

4.8V 4.8V Q704 3 IC702 1 KRC102 M D704 RESET C712 DS1SS133 3.3/50 3 0V 2 4.6V 2 RX701 0V REMOTE 1 2 3 SENSOR 1 0V C713 0.022 C714 0.022 R783 100K R786 100 C715 47/25

C772 0.022

+B D708 DS1SS133

+B

SW_+5V M_GND D707 DS1SS133

AC_RLY_CONT POWER T_T1T2 T_BIAS

-VP VF1 D_GND M_+12V UN_SW_+5V

REC/PLAY DI

CE DO CLK

10 FW703

9

1 FW701

15 14 13 12 11 10 9 8 15 14 13 12 11 10 9 8

DISPLAY PWB-A1
7 6 5 4 3 2 1 BI701 7 6 5 4 3 2 1 CNS701

PCCL U/D SW DISC NO SW O/C SW PUIN SW SLM­ SLM+

N PWB 12-F

TO MAIN PWB P23 12-E

CNP12 TO CD SERVO PWB P31 7-H

7

8

9

D_GND FRF DSP RES CQCK SQOUT COIN WRQ RWC

10

11

12

Figure 19 SCHEMATIC DIAGRAM (2/15) ­ 19 ­

CD-C811W/821W
CD-C811W

A
­IN_A +IN_A RIPPLE_FILTER GND_PRE +IN_B ­IN_B OUT_B MUTE GND_POWER +VCC OUT_A GND_POWER R608 120 C610 470/25 R607 C607 1K 0.082(ML) R605 120 R606 1K R633 56K
C634 0.022 (ML)

FM SIGNAL

IC601 LA4282 POWER AMP.

B

R603 33K C602 10/16 R602 560 R604 33K C604 470P

C605 100/25

C608 C606 0.082(ML) 100/25

C601 R601 10/16 560

C603 470P

C632 47/25

C631 0.022 (ML)

0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V
1 2 3 4 5 6 7 8 9 10 11 12 C609 470/25

C611 0.1 (ML) C613 0.1 (ML) R611 4.7

C

R610 270 (1/2W)

C614 0.1 R612 4.7

+B

Q631 1 R632 KRC102 M 1 0V 0V 820 2 4.3V 3 2 3 18.4V 0V 0V Q632 R631 KRC102 M 22K

C633 220P

C635 10/50

+B

IC901 CONSTANT VOLTAGE REGULATOR
6.2V 2 12V

+B

IC903 VOLTAGE REGULATOR
+B 3 KIA7812P 1 12V 23.2V 2 0V C910 C908 0.1 0.1 (ML) (ML)

D

IC903

R609 270(1/2W)

C612 0.1 (ML)

TO MAIN SECTION P22 1-D

C901 47/16

12 13 14 15 16 10 18

L_IN A_GND R_IN A_+12V M_GND CD_+B CD_GND

C902 0.022(ML)

D901 DS1SS133 D902 DS1SS133

+B

E

VOLTAGE REGULATOR
+B F903 IC902 23.2V T500mA L 250V 3 KIA7806P 1 7.3V 2 1.3V D903 DS1SS133 C905 C909 0.047(ML) 0.1 (ML) D904 DS1SS133

C907 100/16

1.2V 3

C904 0.047(ML)

C906 0.022(ML)

+B

R901 10K

IC901 AN78L05 1

C912 2200/50

C903 47/25

C911 3300/25

F

D905 1N4004S

D 1N4

TO MAIN SECTION P23 12-G

26 19 20 21 22 23 24 25 18 17

SW_+5V ­15V M_+12V VF1 ­VP VF2 UN_SW_+5V D_GND POWER AC_RLY_CONT -B

+B -B +B

C913 1000/25

+B +B

+B

Q902 KRC107 M RL901(RELAY)DRIVER 3 4.3V 0.7V 2 1 0V +B D918 DS1SS133

D919 DS1S

G

POWER PWB-A2

C9 100

H

· NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1 2 3 4 5 6

Figure 20 SCHEMATIC DIAGRAM (3/15) ­ 20 ­

CD-C811W/821W

C636 0.001 D631 DS1SS133 D632 DS1SS133

HEADPHONES PWB-A3
FW601 1 1 JK601 HEADPHONES

5

5

R614 330

R613 330

L-CH GND SO601 SPEAKER GND TERMINALS R-CH

C912 200/50 D910 RL203F D914 RL203F D915 RL203F C921 0.1(ML)

F901 T2.5A L 250V

PT901 POWER TRANSFORMER
CNS901 CNP901

1

1

D911 RL203F

C922 0.1(ML) 2 F902 T1.6A L 250V 3 2 3

D912 1N4004S

D913 1N4004S

D917 1N4004S

4 5

4 5 T.F

ZD902 DZ300BSB
R905 C916 100 47/50 D908 1N4004S C915 100/35 C919 100/50

6
CNP902

6
CNS902

C917 47/50

C918 47/50

R903 12K

D925 1SS133

C924 0.047(ML)

RL901 RELAY

-28.2V

R906 3.3K

C914 100/25 R902 220(1/2W)

ZD901 DZ6.2BSA R904 220(1/2W)

-40.8V

D907 1N4004S

D905 1N4004S

D906 1N4004S

SO901 AC SOCKET

C929 0.0047

D916 1N4004S

C923 0.047(ML)

1 2 3 4 5

1 2 3 4 5

SW902 VOLTAGE SELCTOR 230-240V 220V 127V 110V

-28.2V

D909 1N4004S C920 100/50

AC POWER SUPPLY CORD AC 110/127/220/ 230-240 V, 50/60 Hz

Q901 KTA1266 GR VOLTAGE REGULATOR D919 DS1SS133

IVER

+B

R908 220 +B 18 1SS133

IC904 AN78L05 CONSTANT VOLTAGE REGULATOR
5.5V C926 10/16 3 2 23.7V 0.6V D920 DS1SS133 1
C927 470/25

D921 1N4004S D923 1N4004S D924 1N4004S C928 0.047 (ML)

PT902

D922 1N4004S

C925 1000/6.3

BACK UP TRANSFORMER

7

8

9

10

11

12

Figure 21 SCHEMATIC DIAGRAM (4/15) ­ 21 ­

CD-C811W/821W
CD-C811W

A

TO CD SERVO PWB P31 12-C CNP11

+B

B

1 2 3 4 5 6

R-CH A_GND L-CH CD_GND +7V +12V

R452 33 1 2 3 4 5 6 BI401

AUDIO PROCESSOR
C406 4.7/50 1 R416 1.5K 2 R415 1.5K R414 3 1.5K 4 C407 C411(ML) NC 5 4.7/50 0.033 6 C412 7 0.047 R410 R412 8 3.3K 330 9 C404 10 R413 10/50 C413 2.2K 10/50 R408 10K C414 0.022(ML)

R451 33 +B

IC401 M62439SP
0V 0V 0V 0V 0V 0V 0V 0V 0V 2.68V 0V 20 R422 0V 19 0V 18 R421 0V 17 0V 15 0V 14 13 11 12

C418 4 1.5K 1.5K 1.5K C415 0.033(ML C416 0.047 D

CNS401

R420

C453 470P

0V 16 NC

R401 330 Q401 KTC3199 GR 0V MUTING C401 R405 0.001 2.2K
0V 0.7V 0.7V 0V 10

C410 0.33

C

R418 5.6K

R419 10K

R423 15K

C452 470P

C422 10/50

CD_+B CD_GND L_IN A_GND R_IN A_+12V M_GND R402 330

TO POWER SECTION P20 1-E

C402 R406 0.001 2.2K Q402 KTC3199 GR MUTING C403 22/25

C451 470P

R409 4.7K R411 3.3K C405 10/50

DZ401 DZ2.4BSB R417 560(1/2W)

11 12 13 14 15 16

R407 22K

D

+B R516 150 +B C505 0.047 R503 10K
9.3V 8.6V 0V

R508 10K R509 10K

SWITCHING Q508 KRC104 M
0V 3.4V

C508 100/16
0V

R543 82K Q KTC3 0V SWIT
0V 0.7

E

9.3V

R561 C551 680P 22K

R-CH

CNP501 R501 10K C503 180P

Q502 2SC2389 SE SWITCHING

R515 1K

R512 47K

0V 0V

C507 0.001

4.3V

0.8V

F

CNS102 ERASE HEAD M_GND 1 1 ERASE 2 2 3 TAPE2_R2 3 A_GND 4 4 5 TAPE2_R1 5 6 TAPE2_L1 6 7 TAPE2_L2 7 CNP502

Q507 KTC3199 GR SWITCHING

R504 2.2K R505 3.3K
0.7V

NC

0V 0V

19

0V 18

0.5V 0.5V

TAPE2 RECORD/PLAYBACK HEAD

R524 100K R526 3.9K

L-CH

CNS101 1 TAPE1_R 1 A_GND 2 2 3 TAPE1_L 3

C501 0.001 C502 0.001

R514 1K

0.7V

R522 R533 27K 56 C518 560P C516 0.033 R531 5.6K C514 47/25 R517 C511 330P 1K C520 1/50 1.5V C509 0V 0V 0.5V 330P 24 23 22 21 20
­ + 112K

0V

0V

0.2V

1.3V

0.5V

4.3V

R-CH L-CH

C510 330P

1

2

3

4

NC

0V

R513 4.7K

0V

Hich=T1
+ ­ 112K

Q503 2SC2389 SE SWITCHING

IC501 AN7345K
6
0V

5

0.7V

0V

R507 2.2K

R523 56

Q505 2SC2389 SE SWITCHING

R538 22K

R542 560
0

G

0.7V

C517 0.033

C519 560P R534 27K

MAIN PWB-A2
H

· NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1 2 3 4 5 6

Figure 22 SCHEMATIC DIAGRAM (5/15) ­ 22 ­

C552 680P

R502 10K

C531

0V

0V

R506 3.3K

R511 47K Q506 KTC3199 GR SWITCHING

C506 0.001

C515 47/25

R525 100K R527 3.9K

0V

R540 6.8K C527 0.001

C504 180P

0V

C521 1/50 C523 0.022 R532 5.6K

R545

SWITCHING Q504 0V 2SC2389 SE

R510 4.7K

R518 C512 1K 330P

R536 68K R539 R537 22K 6.8K C526 0.001 R541 560 R544 C530
C52 22/
­ +

TAPE1 PLAYBACK HEAD

Q501 KTA1266 GR SWITCHING

Q509 KRC104 M SWITCHING

17

Hich=CH
+ ­

7 C525 3.3/50

8 C5 22

C423 0 022

C417 4.7P

CD-C811W/821W

FM SIGNAL
+B

CD SIGNAL PLAYBACK SIGNAL RECORD SIGNAL

C418 4.7/50 1.5K 1.5K 1.5K C415 0.033(ML) C416 0.047 DZ402 DZ2.4BSB C423 0.022 C417 4.7P R424 820

SW401 SPAN SELECTOR
C454 470P

50/9

100/10

R426 2.2K C424 0.33 R425 330

R423 15K

C422 10/50

+B

-B

+B

1 2 3 4 5 6 7 8 9

DI A_+12V A_GND TUN_L TUN_R CNS303

R430 2.2K R543 82K Q512 KTC3199 GR 0V SWITCHING
0V 0.7V R546

REC_R

REC_L

0V

10K

Q513 KTC3199 GR 0V SWITCHING

R536 68K R539 R537 22K 6.8K C526 0.001 R541 560 R544 C530 0.068 56 C532 0.0033 C534 1/50 R547 10K C536 22/16 C537 220/10 C538 220P

9 1 FW703

S_MUTE R551 220 Q514 KTA1266 GR SWITCHING +B
11.7V 47K 11.6V 0V

4.1V

17
­ + + ­

16
56K 56K

15

14

13

8.2V

IC501:PLAYBACK AND RECORD/PLAYBACK AMP.

R555

ALC

IC501 N7345K
7
0V

Hich=CHROME

0.5V

8 C529 22/16 R545 56

9
4.1V

10

11

12

R556 4.7K
11.6V

0V 0V

+B

C525 3.3/50 R540 6.8K C527 0.001

C531 0.068

R553 100K R554 47K

BIAS OSC
0V

-B
0V 0V

+B -B +B +B

R542 560

R548 10K C533 0.0033

R538 22K

Q516 KTC3203 Y C539 0.0039(PP)

R557 12

C540 0.027 (ML)

L503 330µH

C541 47/16

POWER ­15V M_+12V VF1 ­VP VF2 UN_SW_+5V D_GND SW +5

18 19 20 21 22 23 24 25 26

7

8

9

10

11

TO POWER SECTION P20 1-G

C535 1/50

R552 150

Q515 KRC104 M SWITCHING

M_+12V UN_SW_+5V SW +5V M_GND 10 AC_RLY_CONT
17

4V

0V

0V

Figure 23 SCHEMATIC DIAGRAM (6/15) ­ 23 ­

TO DISPLAY PWB P18 6-H

0V 18

0.5V

C528 22/16

Nor/ NC CrO2

GND Vcc

RIPPLE

SPN-P VF2 ­VP VF1 D_GND

4.8V

0V

TO DISPLAY PWB P19 8-H

R549 10K 0.7V

R550 82K

R428 2.2K

CLK DO CE DI REC/PLAY T_BIAS T_T1T2 POWER AC_RLY_CONT

1

FW701

CNP303 TO TUNER PWB P32 6-B

D_GND CLK DO CE

C425 470P

12

CD-C811W/821W
CD-C821W

A
P15 P16 P13 P20 P14 P11 P10 P9 P8 P7 P6 F F

FL701 FL DISPLAY
5G P5 P4 6G 7G P3 P2 8G P1 P12 P
0V 0V 0V 0V 0V 0V 0V 0V 0V 81 82 83 84 85 86 87 88 89

1 2

3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

B
Q705 KRC107 M FL SEGMENT DRIVER 3
5.3V ­25.3V

2 1 ­25.4V

P5 P4 P3 P2 P1 P12 P19 P18 P17
0V 0V 80 P6

80

R723 100K

C721 1/50

79 VLOAD 0V 78 P7 0V 77 P8 76 P9

C

11

M_GND SW+5V UN_SW+5V M_+12V D_GND VF1 ­VP VF2 SPN_P S_MUTE

75 P10 0V 74 P11 0V 73 P14 0V 72 P20 0V 71 P13 0V

TO MAIN PWB P29 12-F

D703 DS1SS133

D704 DS1SS133

+B D701 DS1SS133 D702 DS1SS133 R701 R794 R703 1K 10K 1K

70 P16/DIST1 0V 69 P15/DIST2 0V 68 P21/DIST3 0V 67 P22/DIST4 0V 66 DISTOUT 65 SPN_P 0V 64 SP DET 5V 63 NC 5V 62 4.75V 61 4.8V 60 4.8V 59 0V 58 0V 57 0V 56 0V 55 0V 4.75V 4.75V

IX0 SY MICRO

FW702

1

D
R709 9
TO MAIN PWB P29 12-E

POWER 5V NC HI-CUT NC NC S MUTE KEY JOG B KEY JOG A DISTO

1K

R781 10K

R720 10K

1K 5.21V 1K 1K

10K

AC_RLY_CONT POWER T_T1 T2 T_BIAS REC/PLAY DI CE DO CLK

52 REC/PLAY 51 AC PLY-CO

R712 R713 R714 R715

1K 1K 1K 1K

54 T_T1T2 53 T-BIAS 52 51 0V

50 49 48 47 46 45 44 43 42

FW701

R724

R726

10K

E

1

+B

F
R760 10K
12V

MOTOR DRIVER 12V Q702 KTA1273 Y
0V

Q703
12V KTA1271 Y 0V

C705 47/25

R759 10K

R758 1.2K

12V

TAPE MECHANISM PWB-E

+B
CNPM1

D716 DS1SS133 SOLENOID DRIVER

G

M
MM1 TAPE MOTOR SWM3 FOOL PROOF SWM4 F.A.S SOLM1 SOLENOID SWM5 CAM FWM2

2+ _
2 1 4 PHM1 3

RUN PALS SENSOR

CNPM2

1 2 3 4 5 6 7 8 9
10 11 12

CNS702 MOTOR 1 2 3 GND 4 +12V 5 T2 RUN 6 7 8 9
10 11 12

FPA T1 RUN SOLENOID CAM SW

1 2 3 4 5 6 7 8

MOTOR GND +12V T2 RUN FPA T1FAS SOLENOID CAM SW BI702

H

· NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1 2 3 4 5 6

Figure 24 SCHEMATIC DIAGRAM (7/15) ­ 24 ­

LED701 R733 2.2K SLI342UCJ1 R734 2.2K R735 1.8K TIMER R736 1K R747 10K R737 1K

R730 R731 R732

FPA T1FAS 5V CAM SW 5V VDD 5V T_MOT 11.86V T_SOL 11.86V TIMER LED 3.63V U/D SW 5V DNO SW

R752 10K

R 10

R754 10K

NC

C702 1/50

C706 1/50

0V

CD-C811W/821W

DISPLAY PWB-A1
FL701 DISPLAY P5 P4 6G 7G P3 P2 8G P1 P12 P19 P18 P17 1G 2G 3G 4G 9G F F
5 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V

1 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
0V 1G 0V 2G 0V NC 0V G5 0V G6 0V G7

P5 P4 P3 P2 P1 P12 P19 P18 P17

0V NC

0V G8

G3 G4 G9

LOAD 0V 7 0V 80 P6 8 0V 9 0V 10 0V 11 0V 14 0V 20 0V 13 0V 16/DIST1 0V 15/DIST2 0V 21/DIST3 0V 22/DIST4 0V ISTOUT PN_P 0V P DET 5V C 5V OWER 5V C HI-CUT C C MUTE EY JOG B EY JOG A ISTO _T1T2 -BIAS

5V 5V DO

1 VDD

0V DI 0.7V CE 4.62V CLK 0V 0V

IC701 IX0309AW XL701 2.11V X1 12 SYSTEM 0V VPP 13 MICROCOMPUTER 0.32V 14 NC
0V CD DSP WRQ 15

0V CD DSP RWC 4.81V RESET 10 2.3V X2 11

1 2 NC R778 3 R777 4 R776 5 R775 6 7 NC NC 8 R772 9 R771

5V

C709 0.022 SPARE 1K 1K 1K 1K

C710 220/10

R780 10K

1K 1K 4.19MHz C708 18P C707 15P

R770 R769 R768 R767 R766 R765 R764 R763 R762

1K 1K 1K 1K 1K 1K 1K 1K 1K

BI701 1 2 3 4 5 6 7 8 9
10 11 12 13 14 15

23 24 25

52 REC/PLAY 51 AC PLY-CON

FPA T1FAS 5V CAM SW 5V VDD 5V T_MOT 11.86V T_SOL 11.86V TIMER LED 3.63V U/D SW 5V DNO SW 5V VSS 0V REMOCON 5.5V SYS STOP 5V O/C SW 5V PUIN SW 5V AVREF 5V AVDD 5V

10 11 12 13 14 15

0V 26 0V 27 0V 28

TUN SM 29 T2 RUN 30 5V
5V 5V

5V

0 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31

CNS701

1K 5.21V 1K 1K

LED701 R733 2.2K SLI342UCJ1 R734 2.2K R735 1.8K TIMER R736 1K R747 10K R737 1K

1K 10K 1K 1K

R730 R731 R732

R749 10K R750 10K

R738 R739 R740 R741

R743 1K R751 3.3K

R748 10K

R742 1K

R744 1K

R745 1K

L702 100µH R752 10K R755 R756 R757 10K 10K 10K C717 0.1/50 D717 DS1SS133

5V BACK UP R795 47K

IC704 KIA7042AP RESET
5V

R711 4.7K D719 DS1SS133 D720 DS1SS133

R753 10K

D721 3 DS1SS133 C712 5V 30V 3.3/50 2
5V

1 2
0V

REMOTE SENSOR RX701 1 2 3

D718 DS1SS133

RD21 820

RD22 1.2K

RD23 1.5K

RD24 1.8K

RD25 2.2K

RD26 3.3K

C714 0.022

SW722 SW723 SW724 SW725 SW726 SW727 SW728
REWIND TUNING TUNING DOWN UP

RD10 820

RD11 1.2K

RD12 1.5K

PLAY RD13 1.8K

VOLUME VOLUME X-BASS/ DOWN DEMO UP

RD14 5.6K

RD15 3.9K SW716
CD

SW710 SW711 SW712 SW713 SW714 SW715
FAST FORWARD RECORD MEMORY/ PAUSE SET STOP TUNER (BAND) TAPE

RD01 RD02 820 1.2K SW701
ON/ STAND-BY

RD03 1.5K

RD04 RD05 1.8K 10K FW703 RD06 SW706 6.8K
DISK SKIP

C715 47/25

R754 10K

R797 100K

Q704 1 0V KRC102 M RESET

C711 0.01

C713 0.022

R798 100

+B

SW703 SW704
CLOCK TIMER/ SLEEP

SW707
OPEN /CLOSE

3 1

3 1

SWITCH PWB-A4

7

8

9

10

11

Figure 25 SCHEMATIC DIAGRAM (8/15) ­ 25 ­

CNP12

22

12

TO CD PWB P31 7-H

VDD 0V PCCL 5V CD DSP COIN 0V SQOUT 5V CD DSP CQCK 5V CD DSP RES 0V FRF(DRF) 31 KEYIN3 0V SLD+ 32 KEYIN2 0V SLD­ 33 KEYIN1 0V AVSS
5V

16 17 18 19 20 21

1 2 3 4 5 6 7 8 9

RWC(DSP) WRQ(DSP) CO IN(DSP) SQ OUT(DSP) CQ CK(DSP) RES(DSP) DRF(ASP) D_GND SLD+ SLD­ PUIN SW OPEN/CLOSE DISC NO UP/DOWN PCCL

CD-C811W/821W
CD-C821W

A

FM SIGNAL
­ + + ­
33.5V 0V 1.2V 34.6V 31.7V 17.8V 31.6V 1.2V 2.2V 0V 0V 18V 0V 0V

IC601 LA4451 POWER AMP.
C612 47/50

B
C603 1/50

14 13 12 11 10 9 8 7 6 5 4 3 2 1

R606 1K

C613 1000/25 C614 1000/25

R605 1K

C609 47/50 D927 1N4004S

C618 0.047

R610 270

C617 0.047 R609 4.7

C604 1/50 10K 0.0015 0.0015

D928 1N4004S

C605 100/50

R604

C608 100/50

33K

33K

C610 0.001

C615 22/50

C616 0.022

R602

C602

R601

C601

R603 220

C607

220/50

C

R607 220

C611 220P
12

TO MAIN PWB P28 2-D

13 14 15 16 10 11

L_IN A_GND R_IN A_+12V M_GND CD_+B CD GND

IC901:CONSTANT VOLTAGE REGULATOR
R911 2.2 R910 2.2 R901 10K +B C901 47/25
6.2V

R608 4.7

R611 270

+B

D929 1N4004S

D926 1N4004S

C 4 +B

D

VOLTAGE REGULATOR
12V

3

IC901 12V AN78L05 1
2 1.2V D901 DS1SS133 D902 DS1SS133 C904 0.047(ML)

3

IC903 KIA7812P 1
2
0V

22V

C912 2200/50 C910 0.1(ML)

C906 0.022(ML)

C907 47/16

C908 0.1(ML)

C902 0.047 (ML)

D910, 911, 1N5402M

E
VOLTAGE REGULATOR
+B
7.96V

3

IC902 KIA7806P 1

22V

C903 47/16

C905 0.022(ML)

2 1.3V D903 DS1SS133 D904 DS1SS133

C909 0.1(ML)

34.2V

C911 3300/25

F903 T 500mA L 250V

F
26 19 20 21 22 23 24 25 18 17

D905 1N4004S C913 1000/25

D906 1N4004S C914 100/25 R902 220(1/2W

SW+5V ­15V M_+12V

+B ­B

­B

TO MAIN PWB P29 12-G

VF1 ­VP VF2 UN_SW_+5V +B D_GND POWER AC_RLY_CONT +B

Q902 KRC107 M RL901(RELAY)DRIVER
4V 0V

DS
6

G
+B

3

2 1 0V

D918 DS1SS133 +B

POWER PWB-A2

H

· NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1 2 3 4 5 6

Figure 26 SCHEMATIC DIAGRAM (9/15) ­ 26 ­

CD-C811W/821W

MP.
HEADPHONES PWB-A3
FW601 1 1 JK601 HEADPHONES

R616 330
C617 0.047 R611 270 270

R617 330

5

5

R609 4.7

SO601 + ­ ­ + FRONT L-CH GND GND FRONT R-CH SO601 SPEAKER TERMINALS

C621 C638 47/50 47/50

+ ­ ­ +

SURROUND L-CH GND GND SURROUND R-CH

CNS901

D910
34.4V

D914

C921 0.1 (ML)

F901 T3.15A L 250V C922 0.1(ML)

CNP901

C912 200/50

PT901 POWER TRANSFORMER 17.3V 1 1

D910, 911, 914, 915: 1N5402M

D911

D915

2 3

2 3

11.3V D916 1N4004S
C923 0.047 (ML)

D912 1N4004S
22V

5 4 3 2 1

5 4 3 2 1

SW902 VOLTAGE SELECTOR 230-240V 220V 127V 110V

F902 T1.6A L 250V C924 0.047(ML)

RL901 RELAY

D913 1N4004S

D917 1N4004S

C929 0.0047
S0901 AC SOCKET

4 5

4 5 T.F D925 DS1SS133

AC POWER SUPPLY CORD 110/127/220/230-240V 50/60Hz

­29.1V C917 47/50 R906 ZD902 3.3K DZ300BSB

C915 100/35

C918 47/50

6
C919 100/50 CNP902

6
CNS902

R903 12K

C916 47/50

3 25

­B

C914 100/25 R902 220(1/2W)

ZD901 DZ6.2BSA

D907 1N4004S

D905 N4004S

D906 1N4004S

R905 100

D908 1N4004S

­28.4V

D909 1N4004S C920 100/50

R904 Q901 220(1/2W) KTA1266 GR VOLTAGE REGULATOR

­38V

02 07 M AY)DRIVER
0V

D919 CONSTANT VOLTAGE DS1SS133 5.5V REGULATOR
6.2V

+B

2
0V

C925 1000/6.3

D918 DS1SS133 +B

R908 220 5.6V

IC904 AN78L05
2 3
0.6V

1

24V

D921

D923 C928 0.047 (ML) D924 PT902 BACK UP TRANSFORMER

C926 10/16

C927 470/25

D922

D920 DS1SS133

D921~D924:1N4004S

7

8

9

10

11

12

Figure 27 SCHEMATIC DIAGRAM (10/15) ­ 27 ­

CD-C811W/821W
CD-C821W

TO CD SERVO PWB P31 12-C CNP11

A

+B

B

1 2 3 4 5 6

R-CH A_GND L-CH CD_GND +7V +12V

R429 270 1 2 3 4 5 6 BI401 R427 47K

AUDIO PROCESSOR
IC401 M62439SP
0V 0V 0V 0V 0V 0V 0V 0V 0V 2.68V 0V 20 R422 0V 19 0V 18 R421 0V 17 0V 16 NC 0V 15 0V 14 13 11 12

R430 270 +B

C406 4.7/50 R416 1.5K R415 1.5K

CNS401

R401 330

R404 10K

0V

0V

C414 0.022(ML) R409 10K R411 3.3K R407 22K C405 10/50 ZD401 DZ2.4BSB

R418 3.9K

R419 10K

R423 10K

C

Q401 KTC3199 GR C401 R405 0V 0.001 2.2K MUTING
0V

1 2 3 4 C407 C411(ML) NC 5 4.7/50 0.033 6 C412 7 0.068 R410 R412 8 3.3K 330 9 C404 10 R413 10/50 C413 2.2K R408 10/50 10K R414 1.5K C410 0.33

R420

1.5K 1.5K 1.5K C415 0.0 C416 0.0

MUTING
0V 10

CD_+B CD_GND L_IN A_GND R_IN A_+12V M_GND R402 330

C402 R406 0.001 2.2K Q402 KTC3199 GR R403 10K

R417 560(1/2W)

TO POWER SECTION P26 1-D

11 12 13 14 15 16

C403 22/25

D

+B R516 150 SWITCHING Q508 KRC104 M
0V 2 1 0V 1 3 3.94V 3

R528 1K

Q510,Q511:TAPE MUTING SPARE R519 5.6K R521 220K
5.8V

C505 0.047 R503 10K
9.6V

R508 10K R509 10K

R529 5.6K R535 220K
5.7V 5.1V

C508 100/16 Q510 KTC3199 GR R520 5.6K

C513 3.3/50 Q511 KTC3199 GR

5.2V

C522 3.3/50

9.6V

TAPE1 PLAYBACK HEAD R-CH CNS101 1 TAPE1_R 1 A_GND 2 2 3 TAPE1_L 3 CNP501 R501 10K C503 180P C501 0.001 C502 0.001

Q501 KTA1266 GR SWITCHING

Q509 KRC104 M SWITCHING

4.61V

4.5V

R530 5.6K

C524 47/16 7
0V

E

8.86V

0V 2

R514 1K Q502 2SC2389 SE SWITCHING
0.7V

R515 1K R512 47K C507 0.001

4.4V

0.8V

F

TAPE2 RECORD/PLAYBACK HEAD CNS102 ERASE HEAD M_GND 1 1 ERASE 2 2 3 TAPE2_R2 3 A_GND 4 4 5 TAPE2_R1 5 6 TAPE2_L1 6 7 TAPE2_L2 7 CNP502

0V 0V

R524 100K R526 3.9K

R561 22K

L-CH

Q507 KTC3199 GR SWITCHING

R504 2.2K R505 3.3K
0.7V

NC

0V 0V

R522 R533 33K 56 C518 560P C516 0.033 R531 5.6K C514 47/25 R517 C511 L501 1K 330P 2.2mH C520 1/50 0.8V C509 0V 0V 0.6V 330P 24 23 22 21 20
­ + 112K

19

0V

0V

0.8V

1.3V

0.6V

4.4V

R-CH L-CH

C510 330P

1

2

3

4

NC

0V

R513 4.7K

0V

Hich=T1
+ ­ 112K

Q503 2SC2389 SE SWITCHING SWITCHING Q504

IC501 AN7345K
6 C525 3.3/50 R540 6.8K C527 0 001 R538 22K R542

5

R510 4.7K

R502 10K

0V

G

0V

R506 3.3K
0.7V

R511 47K Q506 KTC3199 GR SWITCHING

C506 0.001

C515 47/25 C517 0.033 R523 56

0V

R507 2.2K

Q505 2SC2389 SE SWITCHING

H

MAIN PWB-A2

· NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1 2 3 4 5 6

Figure 28 SCHEMATIC DIAGRAM (11/15) ­ 28 ­

R525 100K R527 3.9K

C504 180P

0V 2SC2389 SE 0.7V

0V

0V

R518 C512 1K 330P

L502 2.2mH

C521 1/50 C523 0.022 R532 5.6K

C519 560P R534 33K

R536 68K R539 R537 22K 6.8K C526 0 001
0V 18

C417 4 7P C4 10 R 8
0V 0V

CD-C811W/821W

FM SIGNAL
+B

CD SIGNAL PLAYBACK SIGNAL RECORD SIGNAL

C418 4.7/50 1.5K 1.5K 1.5K

SW401 SPAN SELECTOR
C419 4.7/50 R428 47K

50/9

100/10

C415 0.033(ML) C416 0.068 ZD402 DZ2.4BSB
C423 0.022 C417 4.7P R424 560

R426 2.2K C424 0.33 R425 330

10K

C422 10/50

+B
C551 0.027

1 2 3 4 5 6 7 8 9

DI A_+12V A_GND TUN_L TUN_R CNS303

0V

0V

0.7V R546

10K

Q513 KTC3199 GR 0V SWITCHING

68K R539 R537 22K 6.8K C526 0.001 R541 560 R544 C530 0.068 56 C532 0.0033 C534 1/50 R547 10K C536 22/16 C537 220/10 C538 470P

9 FW702

4.1V

IC501:PLAYBACK AND RECORD/PLAYBACK AMP.

17
­ + + ­

16
56K 56K

15
Nor/ NC CrO2

14
RIPPLE

13

8.2V

ALC

C501 N7345K
7
0V

Hich=CHROME

GND Vcc

11.7V 47K 11.6V 0V

R555

0.6V

8 C529 22/16
R545 56

9
4.1V

10
4.1V

11
0V

12
0V

R556 4.7K

0V 1 2 11.6V 0V 3

+B

M_+12V UN_SW_+5V SW +5 M_GND AC_RLY_CONT POWER ­15V M_+12V VF1 ­VP VF2 UN_SW_+5V D_GND SW +5 11
18 19 20 21 22 23 24 25 26

525 3/50
R540 6.8K C527 0.001

R553 100K R554 47K

BIAS OSC 0V
0V

+B

R542 560

R548 10K C533 0.0033

R538 22K

Q516 KTC3203 Y C539 0.0039(PP)

0V

R557 12

C540 0.027 (ML)

L503 330µH

C541 47/16

+B

7

8

9

10

11

TO POWER SECTION P26 1-G

C535 1/50

R552 150

Q515 KRC104 M SWITCHING

17

C531 0.068

12

Figure 29 SCHEMATIC DIAGRAM (12/15) ­ 29 ­

TO DISPLAY PWB P24 1-C

Q514 KTA1266 GR SWITCHING

0V 18

0.6V

C528 22/16

4.8V

0V

R551 220

+B

S_MUTE SPN-P VF2 ­VP VF1 D_GND

1

TO DISPLAY PWB P24 1-E

R543 82K Q512 KTC3199 GR 0V SWITCHING
C524 47/16

REC_R

REC_L

R558 1.8K R559 1.8K CLK DO CE DI REC/PLAY T_BIAS T_T1T2 POWER AC_RLY_CONT 1

FW701

R549 10K 0.7V

R550 82K

CNP303 TO TUNER PWB P32 6-A

C550 0.027

D_GND CLK DO CE

C425 470P

CD-C811W/821W
CD-C811W/821W

A
C15 0.01

R2 1K C1 47/16 C2 0.01 R1 22 C3 1/50

C31 220/6.3
2.5V 2.5V

C32 0.01

Q1 2SA1318 LASER DRIVER
4.2V 5.0V 0V

2.2V

R46 560

C30 0.1/50

C34 0.33/50

C33 0.47/50

4.6V

1.0V

1.0V

4.6V 2.4V

5V

5V

0V

0V

0V

B

REF
­ +

­ + ­ +

TE

R9 100K

R8 15K

THD GL REF

S.Q.R

TGL1 THDL

C

SLOF SLOF

REF

FE1

REF

AGND SP

SLEO

10K 2.5V SPG 56K 2.5V SP­

SPO

REF

SL+ JP­

SL­

FA­

FA

FE­

1/16 K E A B F 5 4 3 2 1

SPI

2.5V

C13 330P 2.5V

2.5V

2.30V

2.30V

2.5V

0V 2.5V

2.5V

2.5V

2.5V

2.5V

2.5V

R17 33K C11 0.1 R19 1K

FD­ 17

18 19

FE 20 21 22 23

24 25 26

C17 27 28 0.001

SLD 29 30 31 32 0V

R21 R20 1.5K 1K

R23 10K

R28 R29

R22 820

2200P 1M 2200P

VREF C12 0.1

C18 0.47/50

R24 47K

R25 1.5K

R27 39K

1M

R31 1.2K

R33 R32 1.2K 10K C21 0.0033

E

1 2 3 4 5 6 7 8

10

R35 220K

R36 220K

R30 6.8K

C20 47/16

C19 1/50

D

R18 15K

R26 82K C14 0.01

C16 0.0047

TR+ FO+

R34 1K

FO­ TR­ ACTUATOR

2.5V 2.6V

FO­ TR+ TR­

CD_GND

F

CNS2B 1 2 3 4 5 6 7 8

TR­ TR+ FO+ FO­ GND PD VR LD

CNS2A TR­ 1 TR+ 2 FO+ 3 FO­ 4 GND 5 PD 6 VR 7 LD 8

1 2 3 4 5 6 7 LD 8

TR­ TR+ FO+ FO­

IC3 M63001FP FOCUS/TRACKING/SPIN /SLIDE DRIVER

C76 0.022

1 2 2.9V 3 4 3.3V 5 3.3V 6 3.3V 7 8 9

TO FD FO (GAIN) FO+

LD_M+ 42 0.1V LD_M­ 41 0.1V 7.2V VCC4 40 3.3V M­ 39 3.3V M+ 38 5.3V SOL­ 37 SOL+ 36 5.3V 0V 35 0V 34 0V 33

PD

0V 0V 10 0V 11 GND

+B C82 100/16
0V 0V 0V C77 3.3V 3.3V 2.5V 7.2V 0V 0V

0V 0V 0V

12 13 SL­ SL+ SLD VCC1

GND 0V 32 31 30 29 VCC3 28 SP+ 27 SP­ 26 SPO 25

CNP2

C36 100/16 C55 100/16

0V 14 3.3V 15 3.3V16 3.0V 17 7.2V18 5.0V 19 2.5V 20

100/16 11.2V

STANDBY Vref

(SPN)VCC2 24 SOLD 23 SOL­ 22

CNP3A

CNS3B

CNS3A

CNP3

M1 SPINDLE MOTOR

M M

+ ­ +

RWC(DSP) WRQ(DSP) CO IN(DSP) SQ OUT(DSP) CQ CK(DSP) RES(DSP) DRF (ASP) D_GND
CNP12 1 2 3 4 5 6 7 8

G

H

CNS7 FROM DISP P19 10-H (CD P25 12-D (CD

· The numbers 1 to 12 are waveform numbers shown in page 40. · NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1 2 3 4 5 6

Figure 30 SCHEMATIC DIAGRAM (13/15) ­ 30 ­

SLD+

M2 SLID MOTOR SW4 PICKUP IN

6 5 4 SLIDE 3 ­ 2 PU-IN 1 SPIN

6 5 4 3 2 1

6 5 4 3 2 1

6 5 4 3 2 1

SP+ SP­ SL_+ SL_­ CD_PUIN

C37 0.022

CD MOTOR PWB-C

R56 22K

21 MUTE 0V

­ +

TO 2.5V 15 16 FD 2.5V

­ +

2.5V

GEN REF

­ +

­ +

PICKUP UNIT

REF

­ +

TD­ R14 R15 C10 27K 12K 180P TD 13 R16 2.5V 3.3K 14 JP
­ +

GEN

REF

­ +

2.5V 11 2.5V 12

­ +

JP FSC REF FOSTA TO GEN REF

REF
­ +

­ +

C7 R12 0.1/50 TH 100 10 R13 C9 C8 2.5V NC 1K 0.047 0.068

REF

FSTA REF JP

­ +

­ +

­ +

­ +

C5 C54 R10 0.033 0.001 2.2K 8 TESI C6 2.5V 0.033 2.5V SCI R11 9 6.8K

REF

­ +

­ +

2.5V 7 TE 2.5V

6

TE­

REF ­ + REF

VCR

­ +

VCR

IC1 LA9241M SERVO AMP.SLOF
VCC REF

FSTA 8/12CM

LATOH

C27 0.001

C4 0.1/50

+

2.5V

5 TB

­ +

CNS1B K 5 E 4 A 3 B 2 F 1

CNS1A 1 2 3 4 5

K 1 A 2 B 3 E 4 F 5 CNP1

64 63 62 61 60 VCC1 LDS ­ + 2.5V FIN2 RF 1 REF ­ + 2.5V FIN1 2 ­ FE1 ­ REF + + REF E 3 2.5V VCR 4 F VCR 2.5V REF ­

VCC2

NC 48 0V TBC 47 2.5V

C29 4.7/50

59

58

57

56

REF1

PHI

LDO

BHI

VR

FSS

CE

DRF

DAT CL CLK

LF2

55 54 53 52 51 50 49 DEF

R45 4.7K

C28 0.1

EFBAL DEF HFL DRF FOSTA TOSTA 2FREQ LASER FSC

DGND CE CL REF SLI

46 2.5V 45 0V 44 2.4V

C26 0.033 R41 47K

R44 33K R42 47K R39 1K

SLC RFS­

43 42

2.4V

R40 C25 2.4V 5.6K 27P

CV­ CV+ JP­ JP+

REF RF

C24 2.2P
41 40 38 1.6V HF 0V

R43 56K C23 0.0027 TP1 R38 470

RFSM CV+ CV­ SLOF HFL TES TOFF TGL JP+

­ +

JPCLO
­ +

39 0V 5V 37 36 0V 0V 5V 5V 0V

REF

OR SLOF

­ +

35 34 33

C22 220P

GND R37 82K C35 1/50 D1 1SS133 +B

C57 0.001

+B

+B

R47 10K +B

CD-C811W/821W

CD SERVO PWB-B
R57 @1K R58 @1K R59 @1K
C44 100P(CH) C45 100P(CH) C47 100P(CH) C49 100P(CH)

CD SIGNAL
C46 100P (CH)
4.7V 4.6V 2.3V 2.3V 4.6V 0V 0V 0V

C48 100P

R61 @1K R62 @1K R63 1K C38 0.01
0V

R60 1K
0V 0V

0V

2.5V

+B

0V

2.5V

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50
TEST1 TEST5 4M 16M NC TEST11 NC /RES /CQCK COIN /CS RWC
NC SBCK

49

SFSY NC

SQOUT

WRQ

FSX

PW NC

0V

NC EFLG

µ-COM INTERFACE

SUB-CODE

2.3V 48 SBSY 47 NC0.1V X1 16.93MHz

4 K 2 K 9

0V

RVSS 39

0V R72

2.7K

R73 R74 100K 100K

C73 C74 220P 220P

VCO CLOCK OSC CONTROL

ERROR COERECT FLAG CONTROL

4FS DIGITAL FILTER

5V XVDD 43 MUTER 42 5V NC 4.6V RVDD 41 RCHO 40 1.9V

D82 1SS133

D81 1SS133

C83 0.022

IC2 RAM LC78622N

CNP11 R-CH A_GND CD_RCH A_GND CD_LCH VOLTAGE REGULATOR +B L-CH D-GND +7V +12V 1 2 3 4 5 6

C72 10/50

+5V Q52 KTC3203 Y

C22 220P

2.5V DOUT

@1.2K0V @1.2K0V @220 0V @1K 0V

17 18 19 20 21 22 23
0V 0V 2.5V 0V 5V 5V

24 25 26 27 28 29 30 31
0V 0V

32

TEST3 0V NC

0V

EMPH NC C2F NC 5V

15 16

SERVO TES COMMAND
CONT1 FSEQ NC VDD TOFF PCK TGL JP+ JP_
NC

EXTERNAL OUTPUT
CONT2 CONT3 CONT4 CONT5

C52 100/16

0V

HLF

1K

0.82µH

ZD61 MTZJ5.6B

SLICE 2.4V EFMIN LEVEL 10 CONTROL 0V 11 TEST2 0V CLV+ CLV 12 0V CLV- DIGITAL 13 SERVO 5.0V V/P 14

SYNC-DETECT EFM DEMODULATE

SERVO/SIGNAL CONTROL

0V C71 R71 LVSS 38 10/50 1BIT 2.7K LCHO DAC 1.9V 37 4.9V LVDD 36 MUTEL(NC) R55 35 100 5V C43 DIGITAL PCCL 34 0V 330/6.3 OUT TEST4 33 L61 R65 0V

R64 22

R66 220

5V

NC

C50 C51 0.022 100/16 +B

C75 0.001

+B PIN27 TRY SPEED HIGH LOW

C57 0.001

C56 0.022

D1 S133

+B +B

R88 R89 R90 R91

@ @ @ @

+B

+B +B

R82 390
D93 1SS133

R80 820 R81 820 3 R84 2.2K

R83 390 D92 1SS133

2 Q51 KRC102 M 1 SWITCHING REGULATOR

D91 1SS133 CNP10 SOL+ 1 SOL­ 2 M+ 3 M+ M­ 4 M­ 5 GND(D) OPEN CLOSE 6 CD_D_NO DISC NO. 7 8 GND(D) MECHA UP 9 10 GND(D) 10 1 2 3 4 5 6 7 8 9 CNS10 BIM5 1 2 3 4 5 6

SOLM2 SOLENOID

+ ­

M

M3 TURNTABLE UP/DOWN/ LOADING MOTOR

SW1 OPEN CLOSE

R47 10K
C37 0.022

SW2 MECHA UP

TRAY MOTOR PWB-D
CNS5 1 1 2 2 SW3 DISC NUMBER

2 3 4 5 6 7 8 9 10 11 12 13 14 15

CO IN(DSP) SQ OUT(DSP) CQ CK(DSP) RES(DSP) DRF (ASP) D_GND

CNS701 FROM DISPLAY PWB P19 10-H (CD-C811W) P25 12-D (CD-C821W)

7

SLD+ SLD­ PUIN SW OPEN/CLOS DISC NO. UP/DOWN PCCL

8

9

10

11

12

Figure 31 SCHEMATIC DIAGRAM (14/15) ­ 31 ­

CNS401 FROM MAIN PWB P22 1-A (CD-C811W) P28 1-A (CD-C821W)

R50 3 PDO C39 680 0V 0.047 4 VVSS 0V 5 ISET C40 0.047 1.9V R52 27K 5.0V VVDD 6 R53 0V FR 1.2K 0V 7 VSS 8 2.5V EFMO 9

R51 3.3M

0V

1 DEF1 2 TA1

XVSS 0V 46 XIN 2.1V 45 X-TAL XOUT 44 GENERATOR 2.1V

R93 220

2KX8

CD-C811W/821W
CD-C811W/821W

A

TUNER PWB-C
FM SIGNAL AM SIGNAL
+B CNP303 1 D GND 2 CLK 3 DO 4 CE 5 DI CNS303 6 A_+12V TO MAIN PWB 7 A_GND P23 12-D (CD-C811W) P29 12-D (CD-C821W) 8 L 9 R

B
+B ZD351 DZ5.1BSB Q353 KTC3199 GR C396 100/10 C395 0.022 D353 1SS133 C375 3.3/50

+B R391 Q360 390 KTA1266 GR R383 5.6K R387 22K ZD352 DZ3.9BSB C384 0.001 +B Q371 KTA1266 GR PLL DATA BUFFR +B C386 330P +B R372 R373 R374 1K 1K 1K C391 47/16 D352 1SS133 D351 1SS133 Q361 KRC107 M 3

R392 390

R363 47K R364 47K C373 0.015

Q354 KTC3199 GR MUTING

R365 10K

R367 1K

R368 33K

R366 10K

MUTING C371 R361 1/50 1.2K R362 1.2K R355 3.3K C372 1/50 13 MO/ST PHASE 12 (FM/AM) 14 L-CH OUT 15 R-CH OUT C374 0.015 R357 470K
TP302

R354 3.9K

L352 100µH

R385 5.6K R384 VOLTAGE REGULATOR 5.6K R359 1.8K

C358 1/50

C

C370 1/50 C355 22P

1 2 SWITCHING R371 1K

C357 2.2/50 C356 0.001

C368 1/50 16 MPX IN

PHASE 11 IF OUT 10 VCC 9

R398 1.2K C398 100/10

+B R395 R360 47K 4.7K

R356 1K 17 MPX VCO X351 456KHz R350 2.7K C367 1/50

FM DET 8 STEREO 7 SD 6

R353 +B 270 CF351 C354 C353 0.022 3 CF352 2 0.022

C399 0.022 R378 82K

R393 1K

R377 47K

R376 1K

C366 0.001 C365 0.022 C364 10/16 C363 0.022 C361 C343 33P R358 8.2K 0.022 C362 3.3/50

18 FM/AM OUT 19 AM LOW CUT 20 VSM 21 AM RF IN 22 FM AFC

GND 5
AM IF IN

4 R352 1 1K T351

L351 100µH C387 0.022 AM IF C394 47/16 C392 0.001 C393 C380 10/16 1/50

C385 0.01

D

ST IND 11 12 IF IN 13 SD MO/ST 10 14 TUN_MUTE 9 15 AM IN 8 16 FM IN 17 VDD B01 7 DO 6 CL 5 DI 4 CE 3

AM MIX OUT 2 23 AM OSC IN 24
AM OSC OUT FM IF IN 1

C350

0.022

R380 1.5K

REG 3

18 PD R379 2.2K 19 AIN

L353 1mH

E
IC303 LA1832 FM IF DET./ FM MPX./AM IF
C342 0.022 VR351 10K(B) FM MUTE LEVEL

C351

0.022

C397 0.022

R351 5.6K

+B

C352

10/16

R381 10K R382 150

20 AOUT 2 21 VSS 22 X OUT X IN 1

3 1

CF302 2 +B

X352 4.5MHz C381 12P(CH)

C382 15P (CH)

R375 68 R336 1K C330 C331 0.047 15P (CH) C332 0.022
TP302

VD301 SVC348S R323 0.022

F
T302 AM ANT.

AM TRACKING fH

C335 560P T306 AM OSC.

C334 27P(UJ)

R344 C347

470 0.022 C341 0.022

1 IF OUT

2 GND 4 VT L342 2.2mH R369 1.2K

C323 0.022

3 F OUT AM BAND COVERAGE fL C337 0.022 R345 C345 C321 C346 4.7K 0.022 100/16 0.022

G
C338 0.001 D301 1SS133 D302 1SS133

5 VCC

6 GND 8 ANT

7 GND

D303 1SS133

H

SO301 ANTENNA TERMINAL

1

2

GND FM 75 ohms

AM

D304 1SS133

C301 0.001

3

4

FE301 FM FRONTEND

IC302 LC72131 PLL(TUNER)

5

6

Figure 32 SCHEMATIC DIAGRAM (15/15) ­ 32 ­