File name BLK33P2.PDFFM 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
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