A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
CP351
173979-7
1
2
3
4
5
6
7
J4501
035_0_9985_05
21PIN JACK
1
10
11
12
13
14
15
16
17
18
19
2
20
21
3
4
5
6
7
8
9
IC4502
BA7604N
AV SW
1
10
2
3
4
5
6
7
8
9
B4501
BLM21A601SPT
B4502
LFP3A-M3R2TA
TP4501
JWF-50K-1
VIDEO OUT
CP755
8283_1012_00_000
1
10
2
3
4
5
6
7
8
9
D4202
11ES1N
D4503
1SS133
R.SIGNAL
G.SIGNAL
B.SIGNAL
Q4201
DTC114EK
POWER ON SW
D4501
MTZJ13B
D4505
MTZJ12B
D4502
MTZJ13B
D4508
MTZJ12B
D4507
MTZJ12B
D4506
MTZJ12B
DURING PLAYBACK
MEASURED WITH THE DIGITAL TESTER
NOTE:
THE DC VOLTAGE AT EACH PART WAS
L4502
100uH
L4506
100uH
0607
L4501
100uH 0607
Q4502
2SA1037AK
BUFFER
W907
W908
W818
W859
W871
W891
W958
W855
W857
W843
W833
Q4508
2SC2412K
Y SW
Q4505
2SC2412K
MUTE SW
Q4507
2SC2412K
PERI SW
Q4501
2SC2412K
BUFFER
Q4510
2SC2412K
SW
Q4509
2SC2412K
AMP
Q4504
2SC2412K
Y SW
C4504
10
16V
KA
C4509
10
16V
KA
C4521
4.7
50V
KA
C4525
4.7
50V
KA
C4513
1
50V
KA
R4520
680
R4528
120K
R4519
1K
R4202
75
R4514
330K
R4502
330K
R4532
620
R4512
1K
R4539
1.5K
R4540
1K
R4522
82
R4523
82
R4521
82
R4507
150 1/2W
R4506
22K
R4505
12K
R4525
100
R4516
75
R4510
10K
R4503
10K
R4504
10K
R4524
56
1/4W
R4515
75
R4513
390
1/4W
R4508
6.8K
R4501
56K
R4518
1K
C4511
68P
CH
C4527
1F
C4503
0.1
B
C4517
0.01
B
C4201
470P
CH
C4530
470P
CH
C4502
1F
C4505
0.018
B
C4508
0.1
B
C4207
0.1
B
C4206
100P
CH
C4203
0.1
B
C4204
0.1
B
C4516_1
0.0022 B
C4515_1
0.0022 B
C4543
1F
C4506
47
16V
KA
C4514
47
16V
KA
C4501
10
16V
KA
CP605
8283_0412_00_000
1
2
3
4
L4504
10uH
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
CAUTION: DIGITAL TRANSISTOR
S820X
S820Y
S816Y S816X
S817Y
S817X
RECORD LUMINANCE SIGNAL
PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK COLOR SIGNAL
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
TUNER VIDEO SIGNAL
TUNER AUDIO SIGNAL
ON_TIM/PLAY_LED
KEY_B
REC_LED
SP_OUT_L
T-REC_LED
KEY_A
OTPB_LED
FRONT_VIDEO
REMOCON_IN
FRONT_AUDIO_1
AT+5.6V
21_R
21_G
21_B
DEC_TU_SW
P.CON+5V_C
TUNER_ON/OFF
P.CON+9V
P.CON+5V_A
Y/C_AUDIO_OUT
Y/C_VIDEO_OUT
EXT_IN_L
P.CON+5V_D
TU_AUDIO_MUTE_H
GND
SOUND_GND
P.CON+5V_A
REC_TU_V
REC_TU_AU2
REAR_VIDEO
P.CON+5V_D
21_Y
TU_AUDIO
SOUND_GND
DEC_TUNER
REAR_VIDEO
REAR_AUDIO
REAR_AUDIO
TUNER_ON/OFF
Y/C_VIDEO_OUT
REAR_VIDEO
Y/C_AUDIO_OUT
FRONT_VIDEO
FRONT_AUDIO
P.CON+9V
21_Y
21_R
21_G
21_B
DEC_TUNER
DEC_TU_SW
REC_TU_AU2
REC_TU_V
TU_AUDIO
0.6
0
0.6
0
0
I-10
TEST POINT
FROM/TO MICON
(SYSCON PCB)
21PIN IN/OUT SCHEMATIC DIAGRAM
PCB010
VM9171
(CD750)
FROM CHROMA
FROM/TO SOUND AMP
TO T’TEXT
4.8
FROM/TO OPERATION
VCC
H
H
L
L
GND
0
0
0.7
POWER ON L
OTPB/PLAY LED
ON TIMER LED
REMOCON OUT
GND
KEY B
REC LED
T-REC LED
KEY A
GND
FRONT VIDEO IN
GND
FRONT AUDIO IN
SOUND GND
SOUND OUT
SP OUT
0
0
5.1
0.5
8.5
1.8
1.8
0
0
0
0
0
0
0
0
2.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
NC
NC
Y/C VIDEO OUT
GND
P.CON+5V
0.7
1.3
4.9
AT+5V
0
2.5
4.8
2.5
0
1.8
1.7
0
2.5
0
2.5
36
37
FROM/TO POWER
FROM/TO Y/C/A/H.AMP
Y/C AUDIO OUT
39
38
0.1
0
0
0
0
(CD351)
FROM/TO OPERATION