ABC D E F GH
ABC D E F GH
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
Q4504
KTC3203_Y
BIAS OSC
Q4507
2SC2412K
BUFFER
Q4506
2SC2412K
AMP
Q4501
KTC3875S_Y_RTK
AUDIO PB SW
Q4502
KTC3875S_Y_RTK
AUDIO PB SW
Q4511
KTA1504S_Y_RTK
BUFFER
Q4509
2SA1037AK
BUFFER
Q4505
KTA1266
BIAS CTL
X4501
3.579545MHz
100CT3R502
C4548
150V KA
C4518
2206.3V KA
C4544
4.750V KA
C4529
4706.3V YK
C4532
3310V KA
C4523
2216V KA
C4540
150V KA
C4568
150V KA
C4511
2206.3V YK
C4571
2206.3V KA
C4508
476.3V KA
C4517
0.1 B
C4524
0.1 B
C4559
0.1 B
C4569
0.1 B
C4535
0.1
B
C4521
0.068 B
C4541
0.0022 B
C4561
0.01 B
C4542
0.0012 B
C4551
390P CH
C4552
0.1 B
C4536
0.1 B
C4533
0.01 B
C4563
0.01 B
C4546
0.022 B
C4549
0.022 B
C4522
0.047 B
C4514
0.047 B
C4534
470P CH
C4501
0.01 B
C4531
470P CH
C4506
0.022100V MMTS
C4513
0.015 B
C4512
0.01 B
C4557
180P CH
C4573
0.1 B
C4526
0.047 B
C4537
0.01 B
C4505
0.33 B
C4555
0.1 B
C4519
0.1 B
C4580
0.1 B
C4556
0.01 B
R4513
820
R4514
1.5K
R4553
100
1/4W
R4523
22K
R4532
22K
R4533
820
R4505
8.2K
R4545
1K
R4510
2.2 1/4W
R4535
560
R4529
8.2K
R4520
1K
R4511
22K
R4509
680
R4504
12K
R4559
2.2K 1/4W
R4512
10 1/4W
R4534
8.2K
R4544
680K
R4541
3.3K
R4537
1.8K
1/4W
R4539
1.5K
R4507
1M
R4519
3.9K
R4522
10M 1/4W
R4503
10K
R4502
10K
R4501
560
R4508
3.3K
R4546
1.8K
R4536
15K
R4540
6.8K
R4560
100K
R4563
180 1/4W
R4562
180 1/4W
R4526
8.2K
R4531
220
R4527
330K
R4557
82K 1/4W
R4530
12K
R4528
22K 1/4W
R4525
12K
R4524
47K
R4521
10M
C4558
476.3V KA
C4527
476.3V KA
C4570
150V KA
C4545
476.3V KA
C4543
150V KA
C4550
150V KA
C4547
150V KA
C4581
10016V KA
C4539
1025V KA
C4566
150V KA
C4565
150V KA
C4564
3310V KA
C4567
0.2250V KA
C4572
1025V KA
C4574
150V KA
C4575
1025V KA
C4576
1025V KA
W874
TP4501
V.ENV
L4506
100uH0305
L4504
100uH 0305
L4505
47uH 0305
L4509
22uH 0305
L4503
100uH
0305
L4501
22uH 0305
CP4503
B2013H02-2P
1
2
CP4501
TOC-C09X-A1
1
2
3
4
5
6
7
8
9
L4502
1626009
COIL,BIAS OSC
1
2
34
5
6
CP4502
IMSA-9604S-06C
1
2
3
4
5
6
Q4503
DTA124EKA
SW
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
IC4501
LA71206M-MPB
Y/C/AUDIO/HEAD AMP IC
1 10111213141516
17 18 192 20
21 22 23 24 25 26 27 28 29
3
30 31 32 33 34 35 36 37 38 39
4
40
414243444546474849
5
50515253545556575859
6
60
616263646566676869
7
70717273747576777879
8
80
9
CAUTION: DIGITAL TRANSISTOR
DURING PLAYBACK.
MEASURED WITH THE DIGITAL TESTER
NOTE:THE DC VOLTAGE EACH PART WAS
L4507
2623003
15.6KHZ TRAP
1
2
34
6
CD4501
2F061502
FFC
FSC
COMP
H.SW
ENV_DET
Y/C_CS
Y/C_CLK
C_ROTARY
Y/C_DATA
P.CON+5V
P.CON+5V
H.AMP_SW1
VCR_A_MUTE
NORMAL_A
Y/C_AUDIO
FSC
HF2 Y/C_CLK
HF_COM Y/C_DATA
HF1 Y/C_CS
H.SW
VIDEO_OUT
ENV_DET
VCR_A_MUTE
CTL+
CTL-
C_ROTARY
DUMMY_V.SYNC
V.REC_ST_H
H.AMP_SW1
COMP
Y/C_VIDEO
P.CON+5V
TUNER_VIDEO
VD
AUX_V[F/R/S]
DVD_VIDEO
P.CON+5V
P.CON+9V
GND
DUMMY_V.SYNC
Y/C_VIDEO
P.CON+5V
TUNER_VIDEO
Y/C_VIDEO
VIDEO_OUT
NORMAL_A
AUX_V[F/R/S]
VIDEO_OUT
P.CON+9V
P.CON+5V
V.REC_ST_H
Y/C_VIDEO
CTL+
CTL-
Y/C_AUDIO
GND
HOT
VD
Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM
FROM/TO TV MICON
FROM/TO IN/OUT
FROM/TO DIGITAL COMB/TUNER
FROM/TO REGULATOR
FROM/TO CHROMA/PROGRE/PIN
FROM/TO HEAD AUDIO CONTROL
FROM/TO CYL
G-10G-9
(VCR PCB)
13
FROM/TO VCR MICON
FROM/TO HI-FI/DVD AUDIO
SP-CH1 (R)
SP-CH2 (L)
EP/LP-CH1 (R)
EP/LP-CH2 (L)
HF1 (R)
HF COM
HF2 (L)
SP COM
EP/LP COM
PCB010
VMD332
5.0
0
5.0
NC
NC
2.2
1.8
4.0
0.7
0.7
0.7
5.0
1.7
1.8
2.0
2.0
2.0
2.2
4.9
2.3
2.0
2.2 2.2 2.3 2.2 2.2 2.5 2.3 2.2 2.3 2.4 5.0 1.0 1.0 1.7 1.4 0 1.5 0.1 2.2
1.8
2.8
4.9
0
3.6
2.9
1.6
2.3
2.3
2.0
4.0
2.0
2.6
3.1
3.1
2.8
3.0
0
1.7
0
0.82.205.05.0
2.3
3.33.34.02.61.95.04.84.84.80002.80.5
0
0
0
1.7
0
2.3
NC
NC
0
4.9
0
14
4.0
3.4
5.0
12
0
0
4.8
5.3
5.2
0
15
0.7
0.7
0
0
0
0
NC
+
Vref
2.3V
SP,LP
EQ
AMP
ALC
ALC
A-VCC
1
2
3
A-GND
HA
PRE GND
R
P
P
R
P
P
H
L
H
L
REC:LP<EP
PB:EP
DET
PB,EE
PB,EE
VREF
REC
AMP
MUTE
AUTO
BIAS
LINE
AMP
REC
FM-EQ
FM
AGC
VHS
SOPB
P
R
PB
FM EQ
P
R
S-EQ
MAIN
DE-EM
LIM
DOUBBLE
FM
DEM
SUB
LPF
B
S
DET
EMPHA
FIL
MAIN
4.7K
Y-VCC
V.SYNC
SEP
SEP
6DB
QV/QH
AGC
TC2
BAL
TC1
REG
4V
1
2
3
VDD 4Fsc
CLOCK
PLL
TIMMING OUT
DRIVER
AUTO-BIAS
CLAMP
CCD
VSS
OUT
IN
VCA
VCA
CLAMP
VCP
ALWAYS
5V
B
VX01
320FH
VCO
SLD
PHASE
EQ
fo-ADJ
PHASE
EQ
Q-ADJ
FM
AGC
FIL
Y-GND
R
P
FBC
1/2
VIDEO
AGC
Y/C
MIX
NC1
N.L.
DEEM
Y-LPF
CLAMP
DETAIL
ENH
NL
EMPHA
NL
EMPHA
FM
MOD
NORMAL
R-EQ
TEST
YNR/COMB
3.58M
BPF1
B.D
P
PB
AMP
CNC
BGA
BGA
BGA
R
P
AFTER
BEFORE
3.58M
BPF2
B-UP
AMP
Main
CONV
ACC
AMP
DET
ACC
C-LPF
4.21M
BPF
Sub
CONV
R
R
P
PP
LPF
RP
REC
AFC
PB
APC
REC
APC
P
R
R
P
R
P
C-VCC
SERAIL
DECODER
C-GND
C-ROT
RF-SW
IN
AUDIO
MUTE
HA SW
ENV
DET
ACC
DET
HA VCC
COMP
OUT
KILL
DET
DET
CHROMA
GND
HA
R
R
P
P
R
PB-C
PB-C
R
R
P
P
VSS
SYNC
0
0
0
0
11
FROM/TO FULL ERASE HEAD
4.9
AUDIO REC
AUDIO PB
CTL+
CTL-
AE HEAD(+)
AE HEAD(-)
FE HEAD(GND)
FE HEAD(HOT)
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