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FM ANT Z120 Q1 1 MIXER RF AMP 5 Q3 OSC Q4 BUFFER Q2 7 CF201 Q101 FM IF AMP CF202

AM ANT

Z101 (FM) AM ANT COIL AM OSC COIL

+B

3

4

6

8

+B
(FM)

RCH

24

23

22

21

20

19

18

17

16

15

14

13

ALC BUFFER

AM OSC

AM MIX

AM RM AMP PHASE DET

DECODER

AGC LEVEL DET FM IF S-CURVE AM IF FM DET AM/FM IF BUFFER COMP AM DET

PILOT CANCEL STEREO SWITCH

VCO TUNING DRIVE FF FF FF PILOT DET

REG

SD

1

2

3

4

5

6

ST

REG

7

8

9

10

11

12

+B
IC101 LA1833NMNTLM
Z102 X102

FM/AM IF AMP, DET/AM OSC, MIX/FM MPX

AM IFT

ST/DO SD

16

PHASE DETECTOR CHARGE PUMP

REFERENCE DIVIDER

1

X103

20

17

UNLOCK DETECTOR

SWALLOW COUNTER 1/6,1/17,4 BITS

1 2

14 12

18

11

12 BITS PROGRAMMABLE DIVIDER

13

DO UNIVERSAL COUNTER SHIFT REGISTER LATCH C2B I/F CE DI

5 2 3 4

ST/DO CE DI CL

+B

15

POWER ON RESET 19 10 7 12 6 9 8

CL

Q106

+B

POWER SUPPLY CONTROL

IC102 LC72131MDTRM

PLL FREQUENCY SYNTHESIZER
E

+B
(FM)

IC1 TA7291P

MOTOR DRIVE
Vs 8

-B

5 6

IN1 IN2

REG

OUT1 2 OUT2 10

M
RM1

4

7

+B

GND
1

Vref

Vcc

Q1 POWER SUPPLY CONTROL

+B

SW2

SW1

SW3 Q604 STATUS SWITCH Q605 SUBQ SWITCH D614 Q606 BLKCK SWITCH Q350 SWITCH (PLUNGER SUPPLY)

+B

ST/DO

+B

/CDRST Q351 RESTSW SWITCH (PLUNGER SUPPLY) SW5 SW4

SD

13
SD

92
RESTSW

9
/CDRST

30
BLKCK

12

ST/DO/SQCLK

A

14
SUBQ

10
STATUS

36
CHG_CW

35
CHG_CCW

38
CHG_PLGR

37
CHG_HALF

8
CHG_AD2

7
CHG_AD1

40
CHG_SW1

39
CHG_SW2

D619 D615 D616 D617

CE/MLD DI/MDATA CL/MCLK VT

31 28

MLD/PLLCE MDATA/PLLDA

27

MCLK/PLLCLK

M38B79MFA053 IC600

MICROPROCESSOR

-B
V_JOG_AD J_JOG_AD XOUT MBP2 MBP1

6

5

26

25

23

22

SW600 (VOLUME)

VR900 JOG VOL

SWITCH

X600

Q607,Q608

XIN

IC1001 AN7348STA-E1
(DECK 1) P.B. HEAD LCH 24(23) 1(2) 22(3) (DECK 2) R/P HEAD LCH 21(4) 17(8) 18(7) 6 19 ALC 15 NOR/CrO & HI/LO LOGIC 10 LOGIC L/H 16 14 Q1014 (Q1015) BUFFER AMP Q1024 TPS DRIVE + 20(5)

P.B. EQ /TPS AMP REC AMP/ALC

Q1012(Q1013) MUTING

IC1003 BA4558FE2 BUFFER AMP

12 LOGIC REC/PB 9 Q1022 RIPPLE REJECTION 11

13

Q1020 (Q1021) FILTER AMP

Q1016 SWITCH (DMT)

(DECK 2) ERASE HEAD

L601

+B
BIAS OSC CONTROL

4

Q1004~Q1007

2

3 REC;ON/ BEAT PROOF SWITCHING Q1001,Q1003

SER2

SER4

SER3

IC1004 BA7755A

R/P SELECT

I/O EXPANDER
CONTROL CIRCUIT DATA CLK 2 3

LATCH

Q1017 MOTOR DRIVE M MOTOR Q1019 SOLENOID D951 SOLENOID DRIVE (DECK 1)

Q1023 13 1M

12-BIT SHIFT REGISTER

OUTPUT BUFFER

REC CR02 1H

11 12 10 8 Q1018

7

BP1

15

1PL

2PL

14

SOLENOID DRIVE (DECK2)

SOLENOID

D971

IC971 ON2180RLC1

(DECK 2)
S974 (F.REC INH)

PHOTO INTERRUPTOR
S971 (MODE) S972 (HALF) S973 (Cr02)

S975 (R.REC INH)

PHOTO INTERRUPTOR
S951 (MODE) S952 (HALF) S953 (Cr02)

IC951 ON2180RLC1

(DECK 1)
Z1001

Z1002

INTERFACE (Q1008,Q1009) INTERFACE

INTERFACE (Q1010,Q1011)

100
DECK 1

1
DECK 2

99
TPS

95
SER2

93
SER4

42
SPB

43
SPC

11
SPE

41
SPA

94
SER3

96
SER1

M38B79MFA053 IC600

MICROPROCESSOR

DCDET1

XCOUT

GRD13

SEG32

GRD1

33

19

20

77~88

45~76

D308,D310 X601 FL DISPLAY FL600 FROM POWER TRANSFORMER

+B

SEG1

XCIN

SER1

IC1002 BU2090AF-E2

SPE

B

C

A

FILTER

FILTER

63 (1)
F1L1(R)

64 (2)
F1L2(R)

3 (5)
F2L1(R)

4 (6)
F2L2(R)

7 (9)
F3L1(R)

8 (10)
F3L2(R)

11 (13)
F4L1(R)

12 (14)
F4L2(R) BASS1~5

23~27

IC302 M5218AP
32 (31) OUTL(R)

Q400(Q200) MUTING SWITCH

45(46)

BUFFER AMP

INLC(R)

Q300

IC301 BH3874AKS2
51(52)
RECL(R)

MUTING SWITCH Q309,Q310 MUTING SWITCH

ASP IC

43(44) INLB(R) AUX JK305 47(48) INLD(R)

IC304 KIA4558FEL
HPFL1(R) HPFL2(R) HPFL3(R) BPOUT

D572,D573

36

34

37

38

39

35

SCK

CD SIGNAL FROM CD UNIT

41(42) INLA(R) SI
C A B

DUAL OP AMP

17 (20)

18 (21)

19 (22) SWITCH Q450 (Q250) 11~15 MUTING SWITCH

FILTER

D650

D651

IC305 TC4052BFNELM

3~0X

Q306 AUDIO MUTING CONTROL

ANALOG SWITCH
B A 10

IC601 BU2090AF-E2

I/O EXPANDER
3

IC603 93LC46B

2

3

CLK

1

EEPROM INTERFACE

CONTROL CIRCUIT MUTE_A 9 12 11 A G5~G1
OUTPUT BUFFER LATCH

2

DATA

NAS_B CTRL NAS_A CTRL

3 CLK

2 DATA

12-BIT SHIFT REGISTER

4~8 14 15

MUTEA

SER1

SER4

SER2

+B +B
D618

SOUND ANAZING /CD

CONTROL CIRCUIT

Q600 LED_CTL 13 SWITCH PCONT 10

D603,D604, D903,D904

12-BIT SHIFT REGISTER

OUTPUT BUFFER

Q311

D307

LATCH

+B
11~13

SWITCH

+B +B
KEY SW Q307 SWITCH

IC602 BU2090AF-E2

I/O EXPANDER
90
EE_CS/REG_IN

34
DCDET2 KEY3

2~4
KEY1

MUTEA

9
SER3 SER2 SPE C A B

M38B79MFA053 IC600

MICROPROCESSOR

SYNC

32

ECONO
/RESET RMT NC

91

44 Q699 SWITCH

18 Q601 POWER RESET CONTROL

29 Z940

+B

SIGNAL LINES MAIN SIGNAL LINE
H_OUT_L(R)

CD SIGNAL LINE AM OSC SIGNAL LINE AUX SIGNAL LINE

AM SIGNAL LINE FM & AM SIGNALS LINE

PLAYBACK SIGNAL LINE RECORDING SIGNAL LINE

FM OSC SIGNAL LINE FM SIGNAL LINE

HP_L(R)

IC500 RSN309W44B

POWER (HIC)
+VD +VCC HI 18 +CIN +DI SENS +VCC LOW 20 3 15 6 D510

Q504 REGULATOR

+B

+B +B +B

26(25) SIL(R) +

SOL(R)

1(2) + LCH 14 JK501 HIGH CH (6 )

IH DET 23(22) LIN(R) + LOUT(R)

5(8) + LCH 9 JK500 LOW CH (6 )

24 IN GND

19 -CIN

AC IN -VCC LOW

7

D509

-B

-B

16 -DI SENS

+
-VD

-VCC HI

4

-B

IC501 STK470-090

POWER IC

21 Q502 REGULATOR

-B
FILTER

H_OUT_L(R) FILTER

1

2

3

5

6

7

8

9

10

11

12

+B

+B -B
+

-B

+B

+B

+B +B

Q501,Q503 DCDET2 SWITCH

/CD

Q571 SYNC /CD JK920 HEADPHONE SWITCH (POWER)

PCONT Q505 Q570

D572,D573, D575,D577 D571

Rch

D506

POWER SUPPLY SWITCH R540 D576

+B

REGULATOR

DCDET2

HP_L(R) PCONT D505

T501

T502

+B

+B
R583 Q506,Q507 SHORT CIRCUIT PROTECTION
POWER TRANSFORMER

D519~D522

D515~D518 RL502 F1

SUB TRANSFORMER JK500 AC INLET

D511~D514

+B

SYNC Q308 Q602 POWER SUPPLY CONTROL Q603 POWER SUPPLY CONTROL R543 D313

-B +B

REGULATOR

TO FL DISPLAY

Q572 POWER SUPPLY CONTROL

E500