Service manual

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
B4501
BLM21A601SPT
B4502
LFP3A-M3R2TA
TP4501
JWF-50K-1
VIDEO OUT
CP4202
8283_1112_00_000
1
10 11
2 3 4 5 6 7 8
9
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
CP755
8283_1012_00_000
1
10
2 3 4 5 6 7 8 9
CP605
8283_0512_00_000
1 2 3 4 5
R.SIGNAL
G.SIGNAL
B.SIGNAL
Q4201
DTC114EK
POWER ON SW
DURING PLAYBACK
MEASURED WITH THE DIGITAL TESTER
NOTE:
THE DC VOLTAGE AT EACH PART WAS
L4502
100uH
Q4502
2SA1037AK
BUFFER
W829
W932
W918
W857
W843
W801
W825 W828
W822
Q4505
2SC2412K
MUTE SW
Q4511
2SC2412K
MUTE SW
Q4507
2SC2412K
PERI SW
Q4504
2SC2412K
Y SW
Q4508
2SC2412K
Y SW
Q4510
2SC2412K
SW
Q4501
2SC2412K
BUFFER
C4529
1016V KA
C4509
1016V KA
C4526
1016V KA
C4504
1016V KA
R4519
120K
R4502
100
R4522
82
R4523
68
R4521
75
R4506
22K
R4516
75
R4511
75
R4508
6.8K
R4501
56K 1/4W
R4539
4.7K
R4528
120K
R4201
75
R4540
1K
1/4W
R4503
10K
R4504
10K
R4510
10K
1/4W
R4507
150 1/2W
R4505
12K
R4525
100 1/4W
R4509
6801/4W
R4520
680
R4524
68 1/4W
C4516
0.001 CH
C4515
0.001 CH
C4531
470P
CH
C4530
470PCH
C4508
0.1 B
C4502
1F
C4505
0.018 B
C4205
0.001 CH
C4204
0.1 B
C4203
0.1 B
C4201
0.001 CH
C4501
1006.3V KA
C4503
33016V YK
L4508
10uH
L4501
10uH
L4503
10uH
L4504
10uH
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
D4202
11ES1N
D4511
1SS133
D4510
1SS133
D4503
1SS133
CAUTION: DIGITAL TRANSISTOR
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
SOUND_L+
KEY_B SP_OUT_L
SOUND_R+
REC_LED
SP_OUT_R
T-REC_LED
SOUND_GND
KEY_A
OTPB_LED
FRONT_V_IN
STANDBY_H
REMOCON_IN
AT+5.6V
TUNER_ON/OFF
MONITOR_A-L_A
GND
P.CON+9V
VV_H
EXT_IN_L
MONITOR_A-R
Y/C_VIDEO
FRONT_AU_IN-R FRONT_AU_IN-L
TU_AUDIO_MUTE_H
P.CON+9V
GND
21_R
21_G 21_B
P.CON+5V_A
REAR_VIDEO
P.CON+5V_A
FRONT_AU_IN-R
FRONT_AU_IN-L
REAR_AUDIO_IN-R
21_Y
REAR_AUDIO_IN-L
MONITOR_A-R
VV_H-A
REAR_AUDIO_IN-R
REAR_VIDEO
REAR_AUDIO_IN-L
FRONT_V_IN
TUNER_ON/OFF
REAR_VIDEO
Y/C_VIDEO
TU_VIDEO
TU_AUDIO-L
TU_AUDIO-R
VV_H-A
21_Y
21_R
21_G
21_B
TU_AUDIO-L
P.CON+9V TU_VIDEO
TU_AUDIO-R
I-16
PCB010
VMX199
FROM/TO T’TEXT
FROM/TO CHROMA/IF
FROM/TO MICON
(SYSCON PCB)
21PIN IN/OUT SCHEMATIC DIAGRAM
(CD702)
(CD757)
FROM/TO OPERATION
FROM/TO Y/C/A/H.AMP
00
0000
2.5
00 0 000
00000000
NCNC
0
0
0.7
0
0
0.7
0
0
5.1
ON TIMER LED
REMOCON OUT
GND
KEY B
REC LED
T-REC LED
KEY A
AT+5V
OTPB LED
NC
SOUND GND
SP OUT L
GND
SOUND OUT L
FRONT A IN L
GND
FRONT VIDEO IN
FRONT A IN R
SP OUT R
SOUND OUT R
TEST POINT
0
0.7
0.7
0
0
0
0
0.7
0
1.8
0
0
0.5
8.5
1.8
FROM/TO OPERATION
FROM/TO SOUND AMP
FROM/TO POWER
0.1
0
4.8
FROM/TO HIFI
52
46
POWER ON LED
MONITOR A-R MONITOR A-L A
P.CON+9V
GND
MONITOR V