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CD-C621H
A
FM SIGNAL
+B
PLAYBACK SIGNAL
RECORD SIGNAL
P27 12 - C TO CD SERVO PWB CNP11
B
+B
R635 330
R615 2.7K
R621 10K Q603 2SC3331 C625 0.001
C635 0.0047
R613 10K C621 0.1/50
R607 C605 R605 4.7/50 R603 C603 R601 4.7/50 C611 C615 0.22 R611 330
R609 2.2K
1.5K 1.5K 1.5K 1.5K 0.033 C613 0.22
1 2 3 4 5 6 7 8 9
10
IC601 M62439SP AUDIO PROCESSOR
CNS11 1 R-CH 2 A_GND L-CH 3 CD_GND 4 +7V 5 +12V 6
BI601
1 2 3 4 5 6
+B
C601 4.7/50
R639 47K
20 19 18 17 16 15 14 13 12 11
R608 R606 R604 R602 C612 C614
1.5K 1.5K 1.5K 1.5K 0.033 0.22
R645 100K
C
R610 10K R623 5.6K ZD601 MTZJ2.4B R629 560(1/2W)
R646 100K
C624 0.001
12
P22 1 - E TO POWER SECTION
13
CD_+B +B CD_GND L A_GND R A_12V A_GND M_GND
R636 330
C626 0.001 Q604 2SC3331 R622 10K C627 22/25
Q602 2SC3331 C634 0.0047
R616 2.7K
R618 2.2K R614 10K C622 0.1/50
1 2 3
10
R625 22K
C629 22/25
D
R628 22K
2
14
R155 150 Q109 ~ Q111: SWITCHING C109 0.047 R113 10K 9.3V
8.6V
R175 1K
R114 10K R115 4.7K
Q114 2SC3331
Q110 KRC104 M 3.4V 0V 2 3 1
0V 3.4V
R173 5.6K C153 100/16 R171 220K
C155 3.3/50
R174 5.6K MU R172 220K
C156 3.3/50 C154 47/16 R136 8.2K R134 68K R138 6.8K
19
E
CNS101
9.3V
CNP101
Q109 2SA1318
0V 2
Q113 3 2SC3331 Q111 R169 KRC104 M 680
1
R170 680
R101 1K
Q104 2SC2389 SE CNS102 CNP102 R108 47K
0V 0.7V R104 0V 2.2K R106 3.3K 0.7V Q106 2SC2389 SE
C108 0.001
F
0V
0V
R-CH
Q108 2SC3331
R110 4.7K
TAPE2 RECORD/ PLAYBACK HEAD ERASE HEAD
C106 180P
C122 1/50
20 18
0V 0V
C112 330P 24
23
22
21 112K Hich=T1 + 112K
0.7V
R107 47K
G
0V
Q103 0V 2SC2389 SE Q103 ~ Q108: SWITCHING
Q107 2SC3331
0V
R111 10K
R135 8.2K
H
· NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1 2 3 4 5 6
Figure 20 SCHEMATIC DIAGRAM (1/9) 20
C129 470P
C105 180P
R105 3.3K R103 2.2K
0V
C107 0.001
0V
R123 3.9K
C127 0.022
R137 6.8K C131
Q105 0V 2SC2389 SE 0.7V
R109 4.7K
L-CH
1 2 3 4 5 6 7
M_GND ERASE TAPE2_R2 A_GND TAPE2_R1 TAPE2_L1 TAPE2_L2
1 2 3 4 5 6 7
+
R117 C113 L107 1K 330P 2.2mH C121 C115 1/50 47/25 R121 R125 100K 5.6K C117 0.033 C119 R119 560P 56 R131 33K
C128 3.3/50
C111 330P
1
2
3
4
5
6
7
C132
L-CH
R124 3.9K
1 TAPE1_R 1 2 A_GND 2 3 TAPE1_L 3
C101 0.001
R126 5.6K
C130
C102 0.001
R102 1K
R120 56 C120 560P C118 0.033 R122 100K C116 47/25 L108 R118 2.2mH 1K C114 330P
R132 33K
TAPE1 PLAYBACK HEAD R-CH
R112 10K
C616 4 7P
R619 2.2K R620 2.2K
C623 0.001
C619 0.022
R612 15K
Q601 2SC3331 R617 2.2K
C617 10/50
2 0 0
CD-C621H
D SIGNAL
CD SIGNAL
+B
R633 22K C602 4.7/50 C606 4.7/50 C604 4.7/50
R630 560(1/2W)
R631 22K R642 47K
R652 220K
IC601 M62439SP AUDIO PROCESSOR
20 19 18 17 16 15 14 13 12 11
R626 B
2.2K
R641 47K
C653 4.7/50
R608 R606 R604 R602 C612 C614
1.5K 1.5K 1.5K 1.5K 0.033 0.22
R632 22K C654 4.7/50
C631 390P C632 390P
L-CH
R634 22K
JK601 VIDEO IN
R-CH
R640 47K
Q650 2SC3331
R652 2.2K
D601 1SS133 D602 1SS133 C630 0.022
C628 0.22 R624 330 R638 220K
R610 10K R623 5.6K 2.4B 2W)
R612 15K
R651 2.2K R653 220K R655 5.6K C651 3.3/50
R656 1K
C652 47/16
C616 4.7P C620 10/50 C618 0.022 ZD602 MTZJ2.4B
R637 220K D_GND CLK DO CE DI A_12V A_GND TUN_L TUN_R TUN_SM R174 5.6K MUTING R172 220K
C156 3.3/50 C154 47/16
C650 3.3/50
Q651 2SC3331
R654 5.6K
B
B
R175 1K
1 2 3 4 5 6 7 8 9
10
CNS303 REC_R
REC_L
R146 10K
70 0
R156 Q122 220K 2SC3331 R154 0V 10K 0.7V 0V
R153 0V 10K 0.7V Q121 0V 2SC3331 MUTING
R157 220K
CLK DO CE DI A_GND TUN_SM VF1 -VP VF2 SPN_P HI_CUT S_MUTE SP_DET SP_RLY T_T1 T2 T_BIAS 11.7V R162 47K 11.6V 0V
R164 4.7K
2SC3331
C146 220/10
R134 68K
3.9K
R126 5.6K
10 11 12 13 14 15 16 17 18 19 20 21 22
C122 1/50
21 2K 2K 20 19 18 17
C134 22/25
R158 220
IC101 AN7345K PLAYBACK AND RECORD/PLAYBACK AMP.
SWITCHING Q124 2SA1015 GR
16
15 Nor/CrO2
14 RIPPLE
13 Vcc
56K Hich=CHROME + 56K
+
REC/PLAY D_GND +B 0V 1 M_12V SPA_SIG 15V +5V
4
5
6
C128 3.3/50
7
8 C133 22/25
R141 56
9
ALC 10
ALC GND 11 12
L103 100µH
2 11.6V
C127 0.022
3.9K
0.0033
C135 0.068
C129 470P
R139 560
R125 5.6K
+B R167 100K R166 47K BIAS OSC 0V Q128 KTC3203 Y C150 0.0039 C151 0.027 (ML) 0V 0V R168 12 C152 47/25 +B B
C139
9 P R131 33K R135 8.2K
R145 10K
15V VF1 VF VF2 +5V SP_DET SP_RLY
7 6
17 15 16
8 4 5
L104 330µH
MAIN PWB-A1(1/2)
7
8
9
10
11
12
Figure 21 SCHEMATIC DIAGRAM (2/9) 21
P22 1 - E TO POWER SECTION
C121 1/50
R137 6.8K C131 0.001
C141 1/50
R160 150
3 0V Q126 KRC104 M BIAS
+B
B
CNP701 M_12V
CNS701 P24 1 - D TO DISPLAY PWB
R136 8.2K
20 P
C130 C132 0.001 470P R140 560 R142 C136 56 0.068 C140 0.0033 C142 1/50
1 2 3 4 5 6 7 8 9
R132 33K
R138 6.8K
C145 22/25
P28 6 - C TO TUNER PWB
CNP303
CD-C621H
A
Vcc
+Vcc
Vcc
Ch1 Out
Ch2 Out
1
2
3
NC
4
NC
Ch1 8 9
10 C915 11 12 13 C923 14 15
5
6 R912 100(1/4W)
7
120P C916 15P C911 100/50 R917 56K R916 1K R918 680 C917 47/50 R921 22K
C904 10/50
B
R925 0.1(1W)
R913 100 (1/4W) Fusible R929 1K
C912 100/50 R926 0.1 (1W)
R922 680
C924 15P
Fusible
C918 R923 47/50 R924 56K 1K
C907 10/50
D903 1SS133
D906 1SS133 Q906 2SC3331 D904 1SS133 Q907 2SC3331
1
L R901 100K
C901 1/50 R902 68K
R905 1K C902 220P
Q905 2SC3331
Q904 2SC3331
C920 0.022
R930 R928 10K 1K
C921 0.022 R931 10K
C938 47/50 +B
C934 0.1 (ML) C936 0.1 R936 (ML) 56K R934 4.7
R904 68K
C
2
A_GND R903 100K
C905 220P
3
R C903 1/50 +B SP_DET SP_RLY +B
R907 1K
4 5
+B
D
R830 680 (2W) C909 2200/50 C910 2200/50 B M_12V +B +5V C821 0.047(ML) +B C830 47/25 +B Q821 AN78L05 3 1 2 D821 1SS133 +B VOLTAGE REGULATOR Q823 KTD2058 Y C829 3300/25 D803 1N4004S D804 1N4004S D806 1N4004S D805 1N4004S ZD80 MTZJ C803 47/50 ZD801 MTZJ6.2A C802 100/35 P25 12 - E TO DISPLAY PWB CNS806 R802 10 1 2 3 4 R803 47K R806 C804 2 2K 47/50 + AC _ U CNP8 R966 22K B D801 TS6B04GM +B1
6 P20 2 - D, P21 12 - G TO MAIN SECTION
15V
7 8
+B2 +B
E
C824 0.047(ML) R832 22K C825 22/25
D820 1SS133
R825 33
9
10
D_GND A_12V +B
C826 47/25
R827 22K
C828 0.1 (ML)
VOLTAGE REGULATOR Q824 KIA7812P 3 1 2
C827 0.1 (ML)
11
A_GND
R801 12K
F
12
CD_+B C832 0.1(ML) R837 10K C831 47/25
13 14 15 16 17
CD_GND M_GND VF VF2 VF1
Q822 VOLTAGE REGULATOR KIA7806P 3 1 D832 2 1SS133 D833 1SS133
F832 C833 T500mA 0.1 (ML) L 250V
+B
G
FM SIGNAL
MAIN PWB-A1(2/2)
H
· NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1 2 3 4 5 6
Figure 22 SCHEMATIC DIAGRAM (3/9) 22
R939 56K
Q801 KTA1274 VOLTAGE REGULATO
R938 56K
120P
IC901 STK4074B POWER AMP.
(2Ch)
Ch2 +
+
CD-C621H
R960 150 +B R967 D960 C961 150 1SS133 47/50 R963 1K +B R962 68K R961 15K C960 10/50 R941 4.7K R942 4.7K R949 330(1/2W) L901 0.29µH R943 6.8 C941 0.022 C943 0.022 R945 6.8 C945 0.022 C947 0.022 C951 0.001
2 1
CNP804
CNS804 2 1
M
M901 FAN MOTOR
FW801 1 2 3 4 5 5 8 7 6 5 4 3 2 1
+B
Q960 2SC3331
923 14 20P C924 15P
15
R946 330(1/2W)
HEADPHONES PWB-A5
1
WTM801 RL901
1K
L902 0.29µH R939 56K R938 56K
C954 100/50 C956 100/50
L970 2.2mH C970 C971 JK970 100P 100P HEADPHONES
C938 47/50 +B
C934 0.1 (ML) C936 0.1 R936 (ML) 56K R934 4.7
C935 0.1 (ML) C937 0.1 (ML) R937 4.7 +B
R944 6.8 D907 C940 1SS133 0.022 2 1 C942 0.022 Q908 KRC107 M 3
R950 6.8 C944 0.022 C946 0.022
SP_REAR_L-CH SP_REAR_R-CH SP_REAR_L-CH_GND SP_REAR_R-CH_GND SP_L-CH SP_R-CH SP_L-CH_GND SP_R-CH_GND SO901 SPEAKER TERMINAL
Q906 2SC3331
16 OHMS/CH
C950 0.001 C953 0.001 C952 0.001
6 OHMS/CH
R951 68
R952 68
D961 1SS133
+B
+B
D801 TS6B04GM C808 C807 0.22 0.22
F802 T4A L 250V
F803 T4A L 250V CNS802
B
B2 B
D803 1N4004S D804 1N4004S
C806 C805 0.22 0.22 C811 220/50 C812 100/50
D806 1N4004S D805 1N4004S
CNS801
CNP801
F805 T2A L 250V D807 1N4004S D808 1N4004S C813 100/50
ZD801 MTZJ6.2A
C802 100/35
R806 C804 2.2K 47/50
D802 1SS133
ZD802 MTZJ30B C803 47/50 R803 47K
1 2 3 4 5 6 7 8 CNP802
1 2 3 4 5 6 7 8
C962 270P
1 2
1 2 RL801 C801 0.0047 L801
R801 12K
R802 10
T.F
D962 1SS133
TO TAPE MECHANISM CHASSIS
Q801 KTA1274 Y VOLTAGE REGULATOR
D809 1N4004S
T801 POWER TRANSFORMER
SO801 AC INPUT
AC POWER SUPPLY CORD AC 230V/50Hz
+B Q802 2 KRC107 M 1
D818 1SS133 +B
P25 12 - E TO DISPLAY PWB CNS806
D813 1N4004S
C814 10/16
CNP806
D811 1N4004S D812 1N4004S D816 C810 1SS133 470/35
C815 1000/6.3
C809 0.047(ML)
1 2 3 4
+5V AC _RLY_CON 3 UN_SW_5V D_GND
D815 1SS133
R808 220 Q803 AN78L05 3 1 2 D810 1N4004S
T802
POWER TRANSFORMER
POWER PWB-A2
When Servicing, pay attention as the area enclosed by this line ( ) is directly connected with AC main voltage.
7
8
9
10
11
12
Figure 23 SCHEMATIC DIAGRAM (4/9) 23
CD-C621H
A
DISPLAY PWB-A3
FL701 FL DISPLAY
P22 P21 P20 P19 P18 P17 P16 P15 P14 P13 P12 P11 P10 P09 P08 P07 P06 P05 P04 P03 P02 P01 G11
80 79 VLOAD 78 P11 77 P12 76 P13 80 P10
1 2 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 3
B
R721 100K Q705 2SC3331
R722 100K Q706 2SC3331
R723 100K Q707 2SC3331 C720 47/50
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 9
R707 1K
R706 1K
R708 1K
C702 1/50
CNS701
75 P14 74 P15 73 P16 72 P17 71 P18 70 P19/DIST1 69 P20/DIST2 68 P21/DIST3 67 P22/DIST4
C
CLK DO CE DI A_GND TUN_SM VF1 VLOAD (VP) P21 12 - F CNP701 TO MAIN PWB VF2 SPN_P HI_CUT S.MUTE SP_DET SP_RLY T_T1 T2 T_BIAS REC/PLAY D_GND 12V M SPA SIG 15V 5V
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22
R701 1K R702 1K R703 1K R705 1K R709 1K
66 NC DISTOUT 65 SPN_P 64 SP_DET 63 SPRLY 62 61 HI-CUT 60 59 58 S MUTE 57 56 52 REC/PLAY 51 AC RLY-CON
D
R716 33
54 T_T1T2 53 T-BIAS 52 51
B +B
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 3
R724 10K R726 10K
R719 10K
R727 10K
2.2K 2.2K 1.8K 1K 1K
R717 10K
R720 10K
R730 R731 R732
R733 R734 R735 R736 R737
+B
E
+B B B R551 10K R556 33K R558 68K C551 270P C557 270P C559 0.0027 R562 390K R568 2 220K 3 R570 220K 5 6 R575 330 R574 330 D554 1SS133 C566 2.2/50 D555 1SS133
R747 SLI342UCJ 10K
LED722
R748 10K
R749 10K
R738 R739 R740 R741
R755 10K R756 10K R757 10K +B +B +B LE +B LE
1K 10K 1K 1K R750
4 1 8 7
SPEANA3 R578 100K +B SPEANA2 R579 100K
1K 1K 1K
+B
D551 1SS133 R555 C555 56K 0.0068 R560 470K
IC563 OPE AMP. KIA4558P
C567 2.2/50
R553 C553 12K 0.0027
R564 390K
R760 10K +B
+B 12V Q702 KTA1273 Y 12V 0V Q703 KTA1271 Y 12V C705 47/25
+B
F
R566 2.2M
R580 100K
R567 270K R561 15K C562 0.022 R573 560K
5 6
8 7
C568 2.2/50
R759 10K
2 C556 C561 R572 0.0068 0.022 2.2M 3
4 1
B D556 1SS133 SPEANA1 +B R758 1.2K +B
12V
0V D716 1SS133
+B
TAPE MECHANISM PWB-F
+B
ZD551 MTZJ6.2C
M
FWM1 2+
2 1
CNPM1
MOTOR GND +12V T2 RUN FPA T1FAS SOLENOID CAM SW
IC562 KIA4558P OPE AMP.
C563 0.022
C569 0.022
1 2 3 4 5 6 7 8 1 MOTOR 2 3 GND 4 +12V 5 6 T2 RUN 7 FPA 8 9 T1 RUN 10 SOLENOID 11 CAM SW 12 CNSM1
G
MM1 TAPE MOTOR SWM3 F.P. SWM4 F.A.S SOLM1 SOLENOID SWM5 CAM FWM2
4 RUN PALS
PHM1
SENSOR
3
CNPM2
1 2 3 4 5 6 7 8 9
10 11 12
H
· NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1 2 3 4 5 6
Figure 24 SCHEMATIC DIAGRAM (5/9) 24
FPA TIFAS CAM SW VDD T_MOT T_SOL TIMER LED U/D SW DNO SW VSS REMOCON SYS STOP O/C SW PUIN SW
+B
10K
+B
R712 22K R713 1K R714 1K R715 1K
55 DIST0
P8 P7 P6 P5 P4 P3 P2 P1 P11 P10 G9 G8 G7 G6 G5
1 VDD C
P9
IC701 IX0281AW SYSTEM CONTRO MICROCOMPUTER
C DIST0 DIST0 L:DEMOSTART H:ECOSTART C C
R752 R753 10K R754 10K
+B
BI701
G10 G09 G08 G07 G06 G05
30 T2 RUN
F F F
CD-C621H
G10 G09 G08 G07 G06 G05 G04 G03 G02 G01
P01 G11
25 26 27 28 29 30 31 32 33 34 35 36
37 38 39
F F F
C706 1/50
89 90 91 92 93 94 95 96 97 98 99 100
P1 P11 P10 G9 G8 G7 G6 G5 G4 G3 G2 G1
1 VDD
DO DI CE CLK LCK1
CD DSP RWC C707 IC701 RESET 10 15P X0281AW X2 11 XL701 C708 EM CONTROL X1 12 4.19 MHz 18P ROCOMPUTER VPP 13 14 R770 1K CD DSP WRQ 15 0 0 L:DEMOSTART H:ECOSTART VDD 16 PCCL 17
18 19 20 21 22 23 24 25 26 27 28 29 30
1 2 3 4 5 6 7 8 9
+B R778 R777 R776 R775 R774 1K 1K 1K 1K 1K C710 220/10
C709 0.022
10 11 12 13 14 15
10 11 12 13 14 15
R772 1K R771 1K
BI702
CNS12
+B
R780 10K
AY CON
U/D SW DNO SW VSS REMOCON SYS STOP O/C SW PUIN SW
AVDD KEYIN1 KEYIN2 KEYIN3
CD DSP COIN SQOUT CD DSP CQCK CD DSP RES FRF(DRF) SLD+ SLD 30 T2 RUN AVSS SPEANA3 SPEANA2 SPEANA1
R769 1K R768 1K R767 1K R766 1K R765 1K R764 1K R763 R762 1K 1K
R761
1K
42 41 40 39 38 37 36 35 34 33 32 31
1K 10K 1K 1K
1K 1K
1K 1K
R744 1K
R742 R743
R736 R737
R738 R739 R740 R741
R745 1K +B
+B
1 2 3 4 BI703
1 +5V 2 AC_RLY CON 3 UN_SW 5V 4 D_GND CNS806
R748 10K
R749 10K
R750 10K
R751 3.3K
D722 1SS133
R711 4.7K +B L702 100µH 5V BACK UP D723 1SS133 Q704 KRC102 M C712 3.3/50 3 2 1 D718 1SS133 R797 100K
D721 1SS133
+B +B
SWITCH PWB-A4
+B RS711 1.5K +B +B +B +B LED707 L1154GT4 NIGHT RIDER 7 RS707 470 NIGHT RIDER 6 RS706 470 LED706 SLI342YCB
2 R753 10K R754 0K
+B R755 10K R756 10K R757 10K +B
D717 1SS133
IC704 KIA7042AP RESET
1 2 C722 10/50 C713 0.022 3
R795 4.7K
D720 1SS133 D719 1SS133 RX701 R798 100 REMOTE SENSOR C714 0.022
C723 0.1/50
1 2 3
C711 0.01
+B C715 47/25
1.2K
FF +B RD10 820 SW710 +B
REV
TUNING TUNING UP DOWN
PLAY
VOLUME VOLUME X-BASS/ EQUAL DIMMER DOWN UP DEMO IZER +B
18 17 16 15 14 13 12 11 10 OE Q11 Q10 Q6 Q9 Q8 VDD Q7 Q5
RD11 RD12 1.2K 1.5K SW711 SW712 REC MEMORY/ PAUSE SET
RD16 RD17 RD18 RD19 RD20 RD13 RD14 RD15 3.9K 6.8K 12K 22K 68K 1.8K 2.2K 3.3K SW713 SW714 SW715 SW716 SW717 SW718 SW719 SW720 SW721 STOP TUNER/ VIDEO BAND TAPE CD PTY/TI SEARCH EON ASPM DISPLAY MODE 47/25
1 2 3 4 5 6 7 8 9 470 470 470 470 470
LED701 L1154GT4 RS701 LED702 RS702 NIGHT RIDER 2 SLI342YCB LED703 RS703 NIGHT RIDER 3 SLI342DCB LED704 RS704 NIGHT RIDER 4 SLI342UCB RS705 NIGHT RIDER 5
C718
RD01 820 SW701 POWER LED716 +B LED717 SLI342YCJ SLI342YCJ STOP PLAY SW702 RD02 SW703 RD03 SW704 RD04 1.5K 1.2K 1.8K TIMER/ STATION CLOCK SLEEP R787 R786 1K 1K
8
8
RD05 RD06 2.2K 3.3K SW705 SW706 +B DISC1 DISC2
RD07 RD09 3.9K 6.8K SW707 SW708 SW709 DISC3 DISC OPEN SKIP /CLOSE
FW702
1
1 +B +B
NIGHT RIDER 1
7
8
9
10
11
LED705 SLI342DCB
IC703 BU2092F INPUT/OUTPUT EXPANDER
RS712
RD21 RD22 RD23 RD24 820 1.2K 1.5K 1.8K SW722 SW723 SW724 SW725
RD25 RD26 2.2K 3.3K SW726 SW727
RD27 RD28 3.9K 6.8K SW728 SW729 SW730
C719 0.022
CLOCK
DATA
VSS
LCK
Q1
Q0
Q2
Q3
Q4
+B +B +B
12
Figure 25 SCHEMATIC DIAGRAM (6/9) 25
P23 7 - G TO POWER PWB
CNP806
CNP12 P27 7 - G TO CD SERVO PWB
1 2 3 4 5 6 7 8 9
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-C621H
A
C15 0.01
R2 1K
C34 0.33/50
R1 22 C3 1/50
C33 0.47/50 C32 0.01
C1 47/16 Q1 2SA1318
C31 220/6.3
C2 0.01
CNS1B
R46 560
C30 0.1/50
CNS1A
REF1
VCC2
FSS DRF
DAT
VCC1
LDO
BHI
PHI
LF2
CE
CL
REF REF
+
B
+
+
FE1
TBC 47 EFBAL FOSTA TOSTA 2FREQ FSC DGND CE REF SLI CL 46 45 44
DEF HFL DRF
LATOH
TE
R9 100K
+
R8 15K
6 TE 7 TE
REF REF
VCR
+
VCR
IC1 LA9241M SERVO AMP.
VCC
+
LASER FSTA 8/12CM SLOF
C27 0.001
5 TB
C54 0.001 R11 6.8K LD MON K E B LD GND A F C LT0H30M1
C24 2.2P
REF
+
CV
+
R43 56K
TGL1 THDL GL THD
C
NC
11
+
C10 180P
AGND SP REF SPI
REF
SPG
SPO
8
R21 R20 1.5K 1K
FE
C13 330P
R17 33K
FD FA FE 17 18 19 20 21 22 23
SLEO SP 24 25 26 27 28
R19 1K
FO+
R23 10K
C11 R18 0.1 15K
R22 820
C21 0.0033
D
FO TR ACTUATOR
R26 82K C14 0.01 R25 1.5K
R29 56K
TR+
1 2 3 4 5 6 7 8
TR TR+ FO+ FO GND PD VR LD
C16 0.0047
R28 10K
C17 0.001
SLD 29 30 31 32
SL+ JP
SL
FA
C20 47/16
C19 1/50
1
VREF C12 0.1
R24 47K
R27 R31 39K 1.2K
R30 6.8K
R33 R32 1.2K 10K R34 1K
C18 0.47/50
PICKUP UNIT
C76 0.022 TR TR+ FO+ FO 1 2 3 4 5 6 7 8 9
TO FD FO (GAIN) FO+ TR+ TR LD_M+ 42 LD_M 41 VCC4 40 M+ 39 M 38 SOL 37 SOL+ 36 35 34 33 GND 32 31 30 29 VCC3 28 SP+ 27 SP 26 SPO 25 (SPN)VCC2 24 SOLD 23 SOL 22
PD
CNS2B CNS2A TR 1 1 1 TR+ 2 2 2 FO+ 3 3 3 FO 4 4 4 GND 5 5 5 PD 6 6 6 VR 7 7 7 LD 8 8 8 LD CNP2
IC3 M63001FP FOCUS/TRACKING/SPIN /SLED DRIVER
E
FO
+B C82 100/16 C77 100/16 +B +B
10 11 GND 12 13 14 15 SL 16 SL+
C36 100/16
17 SLD 18 VCC1 19 STANDBY
CD_GND
F
CNP3A
CNS3B
CNS3A
R56 22K
CD MOTOR PWB-D
CNP3
M1 SPINDLE MOTOR M2 SLED MOTOR SW4 PICKUP IN + +
C55 100/16 +B SP+ SP SL_+ SL_ CD_PUIN
20 Vref 21 MUTE
+B
+B
M M
6 5 4 3 2 1
6 5 4 3 2 1
6 5 4 3 2 1
6 5 4 3 2 1
RWC(DSP) WRQ(DSP) CO IN(DSP) SQ OUT(DSP) CQ CK(DSP) R47 10K RES(DSP) DRF(ASP) D_GND C37 0.022 SLD+
PUIN SW
G
CNP12 1 2 3 4 5 6 7 8 9 10 11 12 1
CNS12 P25 12 - B TO DISPLAY PWB
H
· NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1 2 3 4 5 6
Figure 26 SCHEMATIC DIAGRAM (7/9) 26
SLD
14 JP TO + 15 FD 16
REF
13
TD
REF
5 4 3 2 1
K E A B F
R15 R14 12K 27K R16 3.3K
SLOF
REF
12
TD
GEN
JP FSC REF FOSTA TO GEN REF + GEN
+
REF
FE1
REF +
+
10
R12 100 R13 C9 1K 0.047
C7 0.1/50 TH 10 C8 0.068
REF
REF
S.Q.R
R10 C5 2.2K 0.033 8 TESI C6 0.033 9 SCI
REF
C4 0.1/50
3 4 F
REF
VCR
VCR
+
+
C29 4.7/50
+
K E A B F
5 4 3 2 1
1 2 3 4 5
1 2 3 4 5 CNP1
K A B E F
9
CLK DEF
VR
64 63 62 LDS
+
61 60
59
58
57
56
55 54 53 52 51 50 49
NC 48
R45 4.7K
1 FIN2 REF 2 FIN1 EREF
RF
2
C28 0.1
+ +
C26 0.033 R41 47K R40 5.6K
R44 33K
3
REF
SLC RFS
43 42
R42 47K C25 R39 27P 1K R38 470 C23 0.0027
+
+ + +
CV+ JP
FSTA REF JP
RF
RFSM CV+ CV SLOF HFL
41 40 39 38
JP+ JPCLO SLOF SLOF OR
+
4
HF TP1
+
+ + +
REF
5
+
37 TES 36 TOFF 35 TGL 34 JP+ 33
6
C22 220P
R36 220K
7
R35 220K GND C35 1/50 R37 82K +B D1 +B 1SS133 C57 0.001
+B
OP
CD-C621H
R57 1K R58 1K R59 1K
C44 100P(CH)
C45 100P(CH)
C47 100P(CH)
C38 0.01 +B 8 1
C49 100P(CH)
C46 100P (CH)
R60 1K
C48 100P
R61 1K R62 1K R63 1K
CD SIGNAL
+B
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
TEST5 4M
/CS
TEST1
SBCK SFSY NC
16M NC TEST11 NC /RES
COIN SQOUT
FSX NC
/CQCK
RWC
WRQ
PW NC
R44 33K R42 47K R39 K
R51 3.3M C39 R50 0.047 680 C40 0.047 R52 27K R53 1.2K
1 DEF1 2 TA1 3 PDO 4 VVSS 5 ISET
µ-COM INTERFACE
SUB-CODE
EFLG NC 48 SBSY 47 NC XVSS 46 XIN
X1 16.934 MHz
VCO CLOCK OSC CONTROL
1BIT @DAC
ERROR COERECT FLAG CONTROL 4FS DIGITAL FILTER SYNC-DETECT EFM DEMODULATE
XVDD 43 MUTER NC 42 RVDD 41 RCHO 40 RVSS 39
D82 1SS133
D81 1SS133
C83 0.022
C72 10/50 R72 2.7K R74 100K C74 220P C73 220P
CD_RCH A_GND CD_LCH Q52 KTC3203 Y
R-CH A_GND L-CH D-GND +7V +12V
CNP11
1 2 3 4 5 6
2KX8 RAM
X-TAL GENERATOR
45 44
XOUT
R93 220
P20 1 - B CNS11 TO MAIN PWB
C23 0027
C51 100/16
15 16
PCK NC FSEQ NC VDD
C22 220P
TOFF TGL
JP+
11
17 18 19 20 21 22 23
JP_
24 25 26 27 28 29 30 31
TEST3 NC
CONT5 NC EMPH NC C2F NC
DOUT
CONT1
CONT2
CONT3
CONT4
C50 0.022 +B
32
C52 100/16
SERVO TES COMMAND
EXTERNAL OUTPUT
+B
R88 1.2K
R89 1.2K R90 220 R91 1K
+B +B +B
+B C57 0.001 C56 0.022
+B
D1 1SS133 +B +B
R82 390
R80 820
R83 390
D92 1SS133
R81 820 3 R84 2.2K
CD SERVO PWB-B
SOLM2 SOLENOID D91 1SS133 BIM05 1 2 3 4 5 CD_D_NO 6 7 8 9 M M+ 1 SOL+ 2 SOL 3 M M+ 4 GND(D) 5 DISC NO. 6 OPEN CLOSE 7 GND(D) 8 MECHA UP 9 10 10 GND(D) CNP10 CNS10 1 2 CNS5 1 2 3 4 5 6 M3 T/T UP/DOWN LOADING SW1 OPEN CLOSE LOCK
B
2 D93 1SS133 1
Q51 KRC102 M
M +
SENSOR PWB-E
SW2 MECHA UP 1 2 DISC NO SW3 DISC NUMBER
RWC(DSP) WRQ(DSP) CO IN(DSP) SQ OUT(DSP) CQ CK(DSP) R47 10K RES(DSP) DRF(ASP) D_GND C37 0.022 SLD+
PCCL
PUIN SW
SLD
OP/CLOS DISC NO. UP/DOWN
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CNS12 P25 12 - B TO DISPLAY PWB
· The numbers 1 to 12 are waveform numbers shown in page 37.
7 8 9 10 11 12
Figure 27 SCHEMATIC DIAGRAM (8/9) 27
C75 0.001
HLF
DIGITAL OUT
ZD61 MTZJ5.6B
SLICE EFMIN LEVEL CONTROL 11 TEST2 CLV+ CLV 12 CLV_ DIGITAL 13 SERVO V/P 14 10
6 7 8 9
VVDD FR VSS EFMO
IC2 LC78622NE SERVO/SIGNAL CONTROL
+5V
LVSS 38 LCHO 37 LVDD 36 MUTEL 35 NC 34 TEST4 33
R71 C71 R73 2.7K 10/50 100K R55 +B C43 100 330/6.3 R65 1K L61 0.82µH +B
+B R64 22 R66 220
CD-C621H
CT28 47/10 LT22 CT29 2.2µH 0.022 CT27 18 17 16 15 14 13 22P (CH)
A
CT26 22P
RT35 220K RT36 220K RT37 220K
XT21 4.332 MHz XIN XOUT VDDD T5 VSSD T4 T6 T3 T7 T2 T1 CIN FLOUT
9 10 11 12 6 7 8
ICT21 LC72720 RDS DECORDER
TP
SYNC RDS-ID DO
TP
20
RT26 1K
19
TP
5
CT25 560P RT21 100K CT24 0.022 CT22 0.022 CNP303 D GND CLK DO CE DI A+12V A GND L R SM 10 9 8 7 6 5 4 3 2 1
24 23 22 21
RT29 1K RT30 1K
3
B
RT28 1K
CL DI CE SYR
VSSA VDDA MPXIN VREF
4
LT21 2.2µH
1
2
CT23 10/16 CT36 0.022 QT21 KTC3199 GR
CT21 47/10
RT32 10K
Q353 KTC3199 GR
Q354 KTC3199 GR R354 3.9K
ZD351 DZ5.1BSB
R365 10K
R383 5.6K
R391 Q360 390 KTA1266 GR
D352 DS1SS133
D351 DS1SS133
R367 1K
R368 33K
R366 10K
RT34 56K
RT33 56K CT37 0.022 R363 47K R364 47K C373 0.015
C371 R361 1/50 1.2K
C372 R362 1/50 1.2K
R355 3.3K
15 14 13
C358 12 1/50
16
MPX IN
PHASE IF OUT VCC
10 11
C374 0.015 R357 470K
R-CH OUT
C357 2.2/50 C356 0.001
C355 22P
MO/ST PHASE (FM/AM) L-CH OUT
2
C370 1/50
R359 1.8K
Q361 KRC107 M 3
R384 5.6K
C369 27P R356 C368 1K 1/50 L354 LOW PASS FILTER R350 2.7K C367 1/50
R398 1.2K C398 100/10 R395 R360 47K 4.7K
17
D
TP302
9
MPX VCO FM DET STEREO SD 8
C386 330P
C354 C353 0.022 3 CF352 6
0.022
R377 47K
R376 10 11 1K
CF351 7
R393 1K
X351 456KHz
R353 270
C399 0.022 R378 82K
20 19 18
VDD PD AIN
22 21
AM IF
T351
C394 47/16 C392 0.001 R381 C393 C380 10/16 1/50 10K
AM RF IN FM AFC AM OSC IN REG 3
R380 1.5K
CL DI CE
5
C361
0.022 C362 3.3/50
R379 2.2K
6
C363 0.022
DO
7
C365 0.022 C364 10/16
AM LOW CUT
4
C366 0.001
AM IF IN
VSM
R352 1K
C387 0.022
AM IN FM IN B01
1
2
8
9
FM/AM OUT
GND
19 18 17 16 15 14 13 12
L351 100µH
C385 0.01
5
ST IND IF IN SD MO/ST
TUN_MUTE
IC302 LC72131 PLL(TUNER)
R372 4 R373 3
1
R371 1K
24 23
E
C343 33P R358 8.2K
AM MIX OUT
2
22 21 20
L353 1mH
C344 C352 C351
33P 10/16 0.022
C397 0.022
R351 5.6K
VSS X OUT X IN
R382 150
1
2
AM OSC OUT FM IF IN
C350 1
0.022
AOUT
R374
C381 12P(CH)
IC303 LA1832 FM IF DET./ FM MPX./AM IF
C342 0.022 VR351 10K(B) FM MUTE LEVEL
3
CF302 2
1
C330 C331 0.047 15P (CH) C332 0.022
VD301 SVC348S R323 68K
2 CF301
C334 27P (UJ)
R346 330
3
T302 MW ANT.
C335 560P
1
R344 MW OSC. C347 R301 R345 C337 0.022 C345 C321
470 0.022 330 4.7K 0.022 100/16 0.022
C341 0.022 GND VT
1
C323 0.022
F OUT
C338 0.001 D301 DS1SS133 D302 DS1SS133
D304 DS1SS133
C346
7 6
15
5
G
TUNER PWB-C
L342 2.2mH R369
VCC
GND ANT
GND
BALUN
L341
D303 DS1SS133
1 2
CNP301
C301 0.001
H
MW LOOP ANTENNA
SO301 ANTENNA TERMINAL FM 75 ohms
· NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1 2 3 4 5 6
Figure 28 SCHEMATIC DIAGRAM (9/9) 28
1 2
8
FE301 FM FRONTEND
T306
4
3
2
R349 33
F
MW SIGNAL
FM SIGNAL
R336 10K
R348 680
Q301 2SC380-O
R375 68
R347 6.8K
IF OUT
C384 0.001
X352 4.5MHz
C382 15P(CH)
Q371 KTA1266 GR
ZD352 DZ3.9BSB
L352 100µH
R392 390
ZDT21 DZ5.1BSB RT48 390 RT49 390
R385 5.6K
C391 47/16
R387 22K
C
C375 3.3/50
CT43 10/16
C396 100/10 C395 0.022
D353 DS1SS133
R370 1K
1K 1K 1K
CNS303 P21 12 - D TO MAIN PWB
CD-C621H
MW LOOP ANTENNA
SO301 FM ANTENNA TERMINAL 75 Ohms 1 2
1
D303
2
C301
CNP301
D304
L342
D302 D301
C323
C394 L341
R349
X352
R381 C380
C392
C397
C346
C381
C387
C382
R372
R379
R346
C345
R344
VD301
C341
R336
R398
C385
C386
3 2 1
R376 R360
4 3 2 1
CF301
R301
L351
C330
R348 R347
R345
C393
E C B
IC302
C347
R380
Q301
FE301
T302
C337
T306
C331 C332
C335 R377
B C E
C334 R323 VR351 FM MUTE LEVEL C362 C363 C364 C365 L353 R358 C361
R350 C367
C384 Q360 B C E
R383 D351 D352 R384
R387
CF302
C342
C343 C344 C350 1 2 3 4 5 6 7 8
9
C351
CF352 C398
1 2 3
T351
R395 L352
ZD352
R385
C391 2 1 Q361 R391
3
C352
C357
R359
R355
C368
X351
R368
R367
R356 R357
C369
24 23 R351 22 21 20 19 18 17 16 15 14 13
3 2 1
C354 C370
C355
R392 C395 C396 ZD351 1 2 3 4 5 6 7 8 9 10
R352
C399
R353 CF351
IC303
C356
R354
C353 C366
L354
R382
Q371
R371
C321
R369
8 7 6 5
22 1 21 2 20 3 19 4 18 5 17 6 16 R378 7 15 8 14 9 13 10 12 11
R373 R374
C338
CNP303
TO MAIN PWB CNS303 P31 9 - A
10 11 12
C358
C374 R361
R393 R363 D353 C375
C371
C372
B C E Q353
R362
R364
XT21 CT26
CT29
12 11 10 13 14 15 16 17 18 19 RT28 20 21 22 23 RT30 24
CT25
CT27
CT37 B C E QT21
B C E
CT43
Q354
R365
RT49
LT22
RT48
C373
R370
ICT21
RT34 R366
ZDT21 LT21 CT36
CT21
RT35
CT28
RT33 RT32
RT21
CT23
9 8 7 6 5 4 3 2 1
RT36
RT26
RT37
CT24
CT22
RT29
TUNER PWB-C
7 8 9 10 11 12
Figure 29 WIRING SIDE OF P.W.BOARD (1/7) 29
CD-C621H
P33 8 - H TO DISPLAY PW CNS701
P35 12 - D TO CD SERVO PWB CNP11
A
FC701
CNS11 1 2 3 4 5 6 RD WH WH WH WH WH
1
COLOR TABLE BR RD(R) OR BROWN
MAIN PWB-A1
R609 R653 R655 C617 R641 R639
RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK
Q651 C652
C605 ZD601 C651 C615 R656 R629 ZD602 C601 1 BI601 2 4 6 8 10 12 14 16 18 20 22 1 3 5 7 9 11 13 15 17 19 21
B
C611
R605
BL VL GY WH(W) BK
R611 R607 10 C619 C620
C621
C653 R651
1
5
6 C602 R630
R612
C
20 R608 R606 R604 C603 C612 R602 C614
15
11 R624 R623 C654 R654 R652 C650
PK
C616
IC601
R642
R610 C618
C628
R613
R626
R640 C629
Q603
M901 FAN MOTOR
C606
E C B
R650 Q650
R628 C623 C625
R619 R625
R631 R633 C630
C604
D
C635 R621 R615
Q604 B C E
R617 R618 C624
D602
R646
D601
E C B
Q602
R636 C626 C903 R620 C901 R907 R622
R905
R902
R901
R904
C902
Q960
B C E
R963 D960 R961 R937
C960 R962
E
C961
L-CH SURROUND R-CH 16 OHMS MIN. L-CH
+ +
C956
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
C942
C937
IC901
R917 C916 C904 C935 R912 C907 C915 C924 R923 C923
+
C950 C954
C940
C905
R903
CNS804 RD 2 1 BR
CNP804
R960
1 2
C634 R614
R616
R-CH JK601 VIDEO IN L-CH
Q601
R634 R632 C632 C631
B C E
R645
C627
C622
B C E
R635
Q82
C946 C944
F
R950 Q907
R926
R944
R936 C938
R931 C921 E C B
C951
R939
R938
D903
FRONT 6 OHMS MIN. L-CH
Q905
R930
R-CH
C918
+
C953
R942 R941
D906
R-CH
R929 D904
C920 C917
L901
E C B Q904
D801
G
C947
R945
R943
RL901
R949
R946
C945
R966
R951
C936 C952 C943
R934
C910 D907 C909
1 2 3
C941 R952
Q908
H
1
2
3
4
5
6
Figure 30 WIRING SIDE OF P.W.BOARD (2/7) 30
C808
C934
R830
C826 C831
C830
L-CH
R918 R916 R921 R924 R922
L902
R928
SO901 SPEAKER TERMINAL
R-CH
B C E
E C B
Q906
C911 C912 R913 R925
3 2
C821
CNP701
R601
R638 R637
GR
E C B
R603
C613
YL
CD-C621H
P33 8 - H TO DISPLAY PWB CNS701
FC701 1 22
P29 12 - F TO TUNER PWB
CNP303
C130
Q114
R136
R156 Q122
R172
R132 R126 R124 C120 R122
R120 C118
1
BI601
Q121
R174 R145
12 10
R108
6
C102 C108 R107 Q108 C101
R102
C127 C121
L107 C111
R101
1 2 3 4 5 6 7 8 9 10
R135 C129 R137 C139 C133 C131
C128
CNS303
C141
R115 C150
2 4 6 8 10 12 14 16 18 20 22
C153
1 3 5 7 9 11 13 15 17 19 21
C134
C132
R170
R154 R153
R111 C116
C122 L108
R146 R138
C145
R157
CNP701
C142
R134 C146
C140
13 15
C114 C112
R119
24
R118
B C E
R112 C106 CNP102 7 6 5 4 3 2 1 C105
R106
Q105
R104
E C B
R140
R105
R103
Q106
B C E
C156 C136 R142
Q103
Q104
B C E
B C E
B C E
E C B
P34 5 - D
20
C107
CNS102
TO TAPE MECHANISM TAPE2 HEAD
IC101
5
C113 1
R117 Q107
E C B
E C B
C151 R110 R109
P34 4 - D
CNS101
R166
C117
C115
1 2 3 CNP101 L104
C152
TO TAPE MECHANISM TAPE1 HEAD
Q128
R141 R139 C135 R131 R125 R169 C155 R123 C119 R121
R158
C154
R168
Q124 L103 R162 R164 R160 R155
E C B E C B
C109
B C E
R167
Q109
R173
R616
R171
B C E
1 2 3
Q126 WTM801
Q111
Q113 C903
F832 T500mA L 250V
Q110
R175
R636 C901
1 2 3
1 2 3
R113 R114
5 4 3 2 1
CNP802 1 2 3 4 5 6 7 8
R907
R901
R904
C902
C905
R903
T4A L 250V
T2A L 250V
F803
D821 9 10 11 12 13 14 15
F805
P34 2 - B
CNS802
TO POWER TRANSFORMER
01
R917 C916 C924 R923 C923
D820
T4A L 250V
F802
D803
D804 D806
C824
3 2 1
R832
Q823
C806
Q821
C825
D805
B C E
FW801
C805
R928
R918 R916 R921 R924 R922
C830
C918
C920 C917
C826
C828
C827
R825
1 2 3
R801
C821
5 C970 L970 C971
R802
1
Q824
C802 R803
R827 D833
Q904 C832 R837
R830
C804 ZD802
C812
Q801
E C B
C813
D801
C831
1 2 3
C803
Q822
D832
ZD801
E C B
R806
C833
C808 C807
C811 D807 D808
JK970 HEADPHONES
C909
D809 D962 D961 C962
HEADPHONES PWB-A5
7
8
9
10
11
12
Figure 31 WIRING SIDE OF P.W.BOARD (3/7) 31
CD-C621H
SWITCH PWB-A4
A
C718 SW708 DISC SKIP RS712 15 SW709 OPEN/CLOSE RD09 C719 18 10 RS707 9 LED707 RS706 5 RS705 1 LED706 RS711 LED705 RS704 LED704
COLOR TABLE
BR
LED703 RS703
B
DISPLAY PWB-A3
SW729 EQUALIZER
IC703
39 38 37
RD28
36 35 34 33 32 31 30 29 28 27 26
25 24 23 22 21 20 19 18 17
C711
R795
C706 R797 D718 C723
R727 C720
R721 R707 R722 R708 R723
C713
R706
C722
Q706
R716
C
SW730 DIMMER
IC704
C567
Q704
R579
IC701 20 30 25 35
R749
C709
R750
Q707 L702 D555 C568 D717
10
3 2 1
R774 R771 ZD551 C707 C708 C710
D719
D722 D554
4 C566
D720
5
C557
R570
D
RD27
D556
C551
R572 IC562 R568 R566 SW728 X-BASS/ DEMO C556 C555 D721 R555 R553
R573 C562
1
8
4
5
C569 R567 C561 RD21
R778
R775 R772
R770 R769 R768 R767 R766 R765
R764 R763 R762
R777
R776
1
8
R556
C563
E
R551
SW723 TUNING UP RD22 RD23
SW713 STOP
RD26
SW727 VOLUME UP RD24 SW725 PLAY R LED716
F
SW724 TUNING DOWN D716 BI702 1 RD25 C705 BI701 8 1 Q703 15
LED717 R758 Q702
E C B
R786
B C E
R759
R760
BI703
1 RD WH WH WH
4
SW726 VOLUME DOWN
R724
G
WH GY WH
WH GY WH
RD BL BL BL BL BL BL BL BL BL BL BL BL BL BL
1 2 3 4 5 6 7 8 9 10 11 1213 14 15 CNS12 CNP806 P34 1 - F TO POWER PWB
12 11 10 9 8 7 6 5 4 3 2 1 CNSM1
H
CNP12 P34 12 - B TO CD SERVO PWB
CNPM1 P34 6 - A TO TAPE MECHANISM PWB
1
2
3
4
GY
5
RD
1 2 3 4
CNS806
6
Figure 32 WIRING SIDE OF P.W.BOARD (4/7) 32
R743 R742 R745 R755 1
R560 R558 D551
R574 R561 R575
SW722
R757 R744
R741 R740
R564 C559 C553
IC563
R580
XL701
31
40 60 45 55
R562 R578
1
1 2 3
5 95 90
70 65
C712
E C B
100
E C B
85 15
75
E C B
R711
Q705
81
D723
80
FL701
1
CD-C621H
COLOR TABLE
BR BROWN
R D (R ) RED
OR
YL
GR
BL BLUE
VL VIOLET
GY GRAY
WH(W) WHITE
BK BLACK
PK PINK
ORANGE YELLOW GREEN
LED704 RS704 RS703
LED703 RS702 RD07
LED702 RS701
LED701 FW702 8 1
SW707 DISC3
SW706 DISC2
RD06
RD05
SW705 DISC1
25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4
3 2 1
LED722
SW704 TIMER/ SLEEP RD04 RD03
80
FL701 81
R798
RX701 SW703 CLOCK
85 100 5 95 90
75 70
IC701
40 60 45 55
51
R726
65
3 2 1
C714 RD19 RD20 SW720 ASPM SW719 EON SW721 SW702 STATION DISPLAY MODE C702 C715 SW718 PTY/TY SEARCH 8 RD01 FW702 RD18
1
10 15
20
50
R732
R731 R730
C707 C708 30
R709
R720 R705
31
R702 R701
RD02
1
25 35
R741 R740
R739
XL701
R735 R737 R736 R738
R764 R763 R762
R757 R744
RD10
SW710 R719 RD17 RD11 SW717 CD
R703 R717
SW701 POWER
R743 R742 R745 R755 R761 R756
R748 R747 RD12 R733 R734 RD13 R752 R753 R754 R751 SW712 MEMORY/ SET R715
SW713 STOP
SW725 PLAY R787 LED716 R780
LED717 R758 Q702
R713 R712
SW716 TAPE SW714 TUNER (BAND) R714 RD14
Q703
R760
E C B
R786
CNS701 1 3 5 7 9 11 13 15 17 19 21 2 4 6 8 10 12 14 16 18 20 22 RD15
R724
SW715 VIDEO/AUX
1 RD
22 FC701
2 1 CNSM1 CNP701 P31 8 - A TO MAIN PWB
WB
7
8
9
10
11
RD16
SW711 REC PAUSE
12
Figure 33 WIRING SIDE OF P.W.BOARD (5/7) 33
CD-C621H
SWM3 F. P. 2 1 FWM1 1 2 FWM2 12 11 10 9 8 7 6 5 4 3 2 1 CNPM1
R
P32 5 - H CNSM1 TO DISPLAY PWB
A
1 2
BK
WH
PHM1 4 3
CNPM2
SWM4 F. A. S
B
P31 10 - E TO MAIN PWB CNP802 CNS802 1 2 3 4 5 6 7 8
RD BL RD YL YL BR BK BR
T801 POWER TRANSFORMER
C
RD BL
BK WH WH PK BK WH YL BL CNS102 PK BK
321
1 2
CNS101
CNS801
RL801 1 2
CNP801
D
3 CNP806 2 1 1 2 3 4
D818
C815 Q802
C801
C814 D816 D811
3 2 1 Q803 D810
L801
E
T802 POWER TRANSFORMER
P32 1 - H TO DISPLAY PWB CNS806 CNS5 SW2 MECHA UP 2 1 2 1
AC POWER SUPPLAY CORD AC 230 V/50Hz
POWER PWB-A2
When Servicing, pay attention as the area enclosed by this line ( ) is directly connected with AC main voltage.
654321 CNS3B
SW3 DISC NUMBER
CNP3A 654321
-
F
CNS10 10 9 8 7 6 5 4 3 2 1 OR BR WH GY WH GY WH GY WH RD
SW1 OPEN/CLOSE
SENSOR PWB-E
M3 T/T UP/DOWN LOADING
WH GY WH GY WH
1 BIM5
6
G
-
COLOR TABLE
BR BROWN
RD(R) RED
OR
YL
ORANGE YELLOW GREEN
H
1
2
Figure 34 WIRING SIDE OF P.W.BOARD (6/7) 34
+ + GR BL BLUE
TAPE MECHANISM PWB-F
SOLM1 SOLENOID (254-8)
BK WH SWM5 CAM
MM1 TAPE MOTOR(254-7)
TAPE MECHANISM ASSEMBLY
TAPE 1 PLAYBACK HEAD(254-6) ERASE HEAD(254-5) TAPE 2 RECORD/PLAYBACK HEAD(254-6)
WH PK
BK
WH
BK
YL WH BL
PK
GY
GY
GY
1234567
D802 R808 D815 C810
CNP101 P31 12 - C TO MAIN PWB
CNP102 P31 12 - B TO MAIN PWB
SO801 AC POWER INPUT
654321
CNS3A
D812 C809 D813
RD +
SOLENOID SOLM2
M1 SPINDLE MOTOR
+
SW4 PICK UP IN
M2 SLED MOTOR
VL VIOLET
GY GRAY
WH(W) WHITE
BK BLACK
PK PINK
CD MOTOR PWB-D
3
4
5
6
CD-C621H
C37
R59
R61 R57
R62
C47
C38
R60
R58
X1
D82 C83
C46
R63
D81
49 50
48
C43
C48
R93 45 40
R53
R52
C26 R38
R39
C50
R42 R41 C27 C23
C25
R40
R44 R43 15 16 C57 C24 C28 C22
20 17
R90
R74 C73 R73
3
D1 C30
15 14 13 12 11 10
C56
25 10
R65
C74
R88
R71
9
1
5
R55
30
8
32
R54
C40
IC2
C72
7
35
R89
R36
4 2
R45 C71
C32 C34 C33 C31
R35
R91
C29
L61
11 5 6
C51
49 50
48 C21 45 R34
C12
R46
Q1
55 40 64 60 33 32
R33
C19
R32
B C E
R1
IC1
C1
35 30 25
Q52
E C B
R64
ZD61
C3
C2
10 20 15
C15
C20
R66
9
C18
1
5
C75 C52 Q51
1
R2
C17
R30
R31
C13 16
R17
7
CNS11 P30 5 - A TO MAIN PWB CNP11 4 3 2
17
R18 R23
R26
R24
R25 C14
CNP1
C16
R27
R15
R16
R20 C11 R21 R22 R13 C55
21
R28
8
1 2 3 4 5 C4 R8 R9 C54
C10
R19
3 2 1
R29 R81 R80 R83 D93 R82 D92
R10
R14
C5
C9
R12
R11
C8
C7
C6
C76
R56
R84 1 C77
CNP2
8 7 6 5 4 3 2 1
20
15
10
5
IC3
25 30 35 40 42 22 CNP10 1 2 3 4 5 6 7 8 9 10
C35
R37
1
2
3
4
6
5
C36
C82 D91
CNP3
1
10
CD SERVO PWB-B
PICKUP UNIT(306)
CNS1A
1 2 3 4 5 1 2 3 4 5 6 7 8 BK WH PK YL BL GY BL PK WH YL BK
CNS1B
1 2 3 4 5 1 2 3 4 5 6 7 8
RD WH GY WH GY WH GY WH
CNS2A
CNS2B
· The numbers 1 to 12 are waveform numbers shown in page 37.
7 8 9 10 11 12
Figure 35 WIRING SIDE OF P.W.BOARD (7/7) 35
6
5
CNS12 P32 3 - H TO DISPLAY PWB
33
6
R51
R50
64
60
R72
5
C39
55
4
3
2
1 CNP12
R47
C45
C49
C44