Aiwa VX-T147, Service Manual, Page: 82 / 112

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
PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL
RECORD LUMINANCE SIGNAL
TUNER VIDEO SIGNAL
AUDIO SIGNAL(PB)
AUDIO SIGNAL(REC)
IS NON POLAR ONE.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
THE RESISTOR MARKED F IS FUSE RESISTOR. NOTE:
J4502
JPJ2042-01-430
1
2
3
4
J4501
JPJ2042-01-430
1
2
3
4
CP802
8283_0912_00_000
1
2
3
4
5
6
7
8
9
CC002
TP-1S-05
CP810(CD810)
8283_0812_00_003
1
2
3
4
5
6
7
8
S804X
MOTOR GND
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DURING PLAYBACK
MEASURED WITH THE DIGITAL TESTER
NOTE: THE DC VOLTAGE AT EACH PART WAS
C4511
470P
CH
C4510 470P
CH
C4513
0.1
B
C4502
1 F
C4505_1
10 16V KS
Q1028
2SC2412K
P.ON SW
Q4504
2SC2412K
SW Q1029
2SB926
DRIVER
Q4503
2SA1037AK
SW
Q4502
2SA1037AK
BUFFER
Q4506
DTC124EKA
MUTE SW
Q4505
DTC124EKA
MUTE SW
C3016
220 6.3V KA
C4514
100
16V
KA
C4507_1
10 16V KS
C4515
470 10V YK
C1064
470
6.3V
YK
L4502
1mH
W949
W843
W897 W902 W927
W917
W907 W908
W910
W943
W887
W989
W967 W890
W955
W842
W940
W998
W999
R4514
100K
R4502
1.5K
R4515
390
R4512
220
R4504
75
R4506
1K
R1097
220
1/4W
R1096
10K
R1098
10K
R4509
4.7K
R4511
4.7K
R4513
1K
R4505
100
R4510
1K
R4519
270 1/2W
R4518
68
D4504
LFB-01L
TP4501
V.OUT
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE SINCE THESE PARTS MARKED BY CAUTION:
CAUTION: DIGITAL TRANSISTOR
GND
AT+5V
P.CON+5V
P.CON+5V[B]
P.CON+5V[B]
VCR_POWER-H
P.CON+9V
VCR_VIDEO_OUT
AT+5V
GND
AT+13.2V
AT+13.2V P.CON+9V
P.CON+5V AT+5.6V
AT+5.6V MOTOR_GND
MOTOR_GND +30V
AT+5V POWER_FAIL
GND
P.CON+5V
P.CON+9V
P.CON+5V
+30V
AT+5.6V
AT+13.2V
GND
TV_POWER-H
TV_POWER-H
AT+5.6V
POWER_FAIL
GND
VCR_POWER-H
P.CON+5V[B]
SCL
SDA
I2C_OFF
P.CON+9V
GND
AT+13.2V
POWER_FAIL
P.CON+9V
P.CON+9V
GND
SCL
SDA
I2C_OFF
AGC
AFT
POWER_FAIL
VCR_VIDEO_OUT
AT+5.6V
GND
AGC
AFT
VCR_AUDIO_OUT
AV_SW_VIDEO_IN
AV_SW_AUDIO_IN
GND
J-12
TO SYSCON
POWER/IN/OUT SCHEMATIC DIAGRAM
V V: THE PICTURE ON SCREEN APPEARS DURING PLAYBACK.
PCB010
VM7125
GND
P.CON+5V(B)
FROM POWER
(SYSCON PCB)
TEST POINT
NC
POWER FAIL(DC)
4.5 5.2
5.3
or T
0
0.7
0
OUT
A
V
TO CHROMA
4.5
0
0
0
0
4.5
8.3
9.0
9.0
IN
A
V
TO SYSCON
GUARD SPRING
GND
AGC
I2C_OFF
I2C_SCL
I2C_SDA
VIDEO OUT
AUDIO OUT
AFT
3.2
0
FROM/TO MICON
0
0.7
0
2.5
GND
P.CON 9V
MOTOR GND
AT +5.6V
AT +30V
NC
NC
NC
NC
FROM/TO Y/C
TO TUNER/AUDIO
TO SOUND AMP
TO OPERATION 1
FROM/TO TUNER/AUDIO
AT +13.2V
AT +13.2V