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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

Q350 SWITCH (PLUNGER SUPPLY)

GND
1

Vref

Vcc

+B

Q1 POWER SUPPLY CONTROL

+B

SW2

SW1 Q604 STATUS SW3 SWITCH Q605 SUBQ SWITCH Q351 SWITCH (PLUNGER SUPPLY) D614

ST/DO Q606 BLKCK SWITCH

+B

/CDRST

RESTSW SW4 SD SW5

A 13
SD

D619

92
RESTSW

9
/CDRST

30
BLKCK

12
ST/DO/SQCLK

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

CE/MLD DI/MDATA CL/MCLK VT

D615 D616 D617

31 28

MLD/PLLCE MDATA/PLLDA

M38B79MFA053 IC600
J_JOG_AD

MICROPROCESSOR
V_JOG_AD

27

MCLK/PLLCLK

XOUT

MBP2

MBP1

-B

6

5

26

25

23

22

SW600 (VOLUME)

VR900 JOG VOL

SWITCH

X600

Q607,Q608

XIN

IC1001 AN7348STA-E1

P.B. EQ /TPS AMP REC AMP/ALC
LCH (DECK 1) P.B. HEAD 24(23) 1(2) 22(3) LCH (DECK 2) R/P HEAD 17(8) 18(7) 21(4) + 20(5)

Q1012(Q1013) MUTING

IC1003 BA4558FE2 BUFFER AMP
Q1024 BUFFER AMP TPS DRIVE

Q1014 (Q1015)

6 19

10 LOGIC L/H ALC 16 14

Q1020 (Q1021) FILTER AMP

15 12

NOR/CrO & HI/LO LOGIC LOGIC REC/PB 9 Q1022 RIPPLE REJECTION 11

Q1016 13 SWITCH (DMT)

4 (DECK 2) ERASE HEAD

2

3

L601

+B
BIAS OSC CONTROL Q1004~Q1007

IC1004 BA7755A

REC;ON/ BEAT PROOF SWITCHING Q1001,Q1003

R/P SELECT

IC1002 BU2090AF-E2
SPE SER2 SER4

I/O EXPANDER
CONTROL CIRCUIT DATA CLK Q1017 MOTOR DRIVE M MOTOR 7 BP1 Q1023 13 1M
12-BIT SHIFT REGISTER

B

2 3

REC
LATCH OUTPUT BUFFER

11 12 10 8 Q1018

CR02 1H

Q1019 SOLENOID D951 SOLENOID DRIVE (DECK 1) 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) 100
DECK 1

INTERFACE INTERFACE (Q1010,Q1011) 1
DECK 2

99
TPS

95
SER2

93
SER4

42
SPB

43
SPC

C

11
SPE

41
SPA

M38B79MFA053 IC600

MICROPROCESSOR

DCDET1

XCOUT

GRD13

SEG32

GRD1

33

19

20

77~88

45~76

D306

D310

X601 FL DISPLAY FL600 FROM POWER TRANSFORMER

+B

+B

SEG1

XCIN

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)

15 (16)
F5L(R)

H_OUT_L(R) 23
BASS1

24
BASS2

25
BASS3

26
BASS4

IC302 M5218AP
32 (31) OUTL(R)

Q400(Q200) MUTING HP_L(R)

45(46)

BUFFER AMP

INLC(R)

51(52)
RECL(R)

Q300

43(44)

INLB(R)

IC301 BH3874AKS2

MUTING SWITCH

AUDIO SOUND PROCESSOR
AUX JK305 47(48) INLD(R)

IC304 KIA4558FEL
BASS5 27

FROM CD UNIT CD SIGNAL

DUAL OP AMP
Q306

41(42)

INLA(R)
HPFL1(R) HPFL2(R) HPFL3(R)

BPOUT

37

38

39

36

34

35

SCK

AUDIO MUTING CONTROL

SI

C

B

A

17 (20)

18 (21)

19 (22)

MUTING SWITCH Q309,Q310 Q450 (Q250) MUTING SWITCH

FILTER

D650

D651

MUTEA

SER1

SER3

SER2

SPE

C

B

A

MUTEA

SER1

SER1

SER3

SER4

SER2

IC601 BU2090AF-E2

H_OUT_L(R)

I/O EXPANDER
3 CLK DATA CONTROL CIRCUIT MUTE_A 9 /CD DCDET2

2

G5~G1
12-BIT SHIFT REGISTER

4~8

+B

A

OUTPUT BUFFER

LATCH

SOUND ANAZING /CD LED_CTL

14 15 Q600 13 SWITCH

+B

D618 /CD

SYNC

+B
PCONT

PCONT

10

Q311 2

D307 DCDET2

HP_L(R) PCONT

3

IC603 93LC46B

SWITCH

+B
Q699 SWITCH Q307 SWITCH KEY SW

EEPROM INTERFACE
1

96
SER1

94
SER3

90
EE_CS/REG_IN

44
NC

34
DCDET2 KEY3

2~4
KEY1

M38B79MFA053 IC600

MICROPROCESSOR

SYNC

32

SYNC

/RESET

ECONO
RMT

91

18 Q601 POWER RESET CONTROL

29 Z940

+B

SIGNAL LINES MAIN SIGNAL LINE FM OSC SIGNAL LINE FM SIGNAL LINE CD SIGNAL LINE AM OSC SIGNAL LINE AM SIGNAL LINE FM & AM SIGNALS LINE PLAYBACK SIGNAL LINE RECORDING SIGNAL LINE

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 STK470-070

POWER IC

21 Q502 REGULATOR

-B
FILTER

1 FILTER

2

3

5

6

7

8

9

10

11

12

+B

+B -B
+

-B

+B

+B

+B +B

Q501,Q503 SWITCH

Q571 SWITCH (POWER) JK920 HEADPHONE

Q505

Rch

D506

POWER CONTROL SWITCH

Q570

D572,D573 D571

+B
D505 R540 Q506,Q507 SHORT CIRCUIT PROTECTION D515~D518 D519~D522 D576 T501

REGULATOR

+B
R583

+B
POWER TRANSFORMER

T502 JK500 AC INLET RL502 F1

D511~D514

+B
Q602 POWER SUPPLY CONTROL Q603 POWER SUPPLY CONTROL Q308

+B

D313

-B

+B
E500

REGULATOR

TO FL DISPLAY

Q572 POWER SUPPLY CONTROL