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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