21Pin/In/Out Schematic Diagram - Aiwa VX-G143K Service Manual

A B
8
FROM/TO MICON
ON_TIM/PLAY_LED
KEY_B
7
REC_LED
T-REC_LED
KEY_A
OTPB_LED
REMOCON_IN
VV-H
EXT_IN_L
TU_AUDIO_MUTE_H
GND
S818Y
6 TUNERON/OFF
5
P.CON+5V_B
21_Y
0
0.7
Y SW
0.7
Q4510 R4540
2SC2412K
0
Y SW
0 1K
4
Q4511 0
2SC2412K
0
R4542
0
TUNERON/OFF
Q4512
10K
2SC2412K
0
3
RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK COLOR SIGNAL
2
PLAYBACK LUMINANCE SIGNAL
AUDIO SIGNAL(PB)
AUDIO SIGNAL(REC)
TUNER VIDEO SIGNAL
TUNER AUDIO SIGNAL
CAUTION: DIGITAL TRANSISTOR
1
A B
C

21PIN/IN/OUT SCHEMATIC DIAGRAM

W857
V.OUT
TP4501
31
W885
R4523 R4522 R4521
150 150 150
32
0 2.5 0 0 0 0 0 0 0 0 0
21 19 17 15 13 11 9 7 5 3 1
J4501
20 18 16 14 12 10 8 6 4
2 035_0_9985_05
0 0 0 0 0 0 0 0 0 0
NC NC
C4511
R4516
C4515 C4516 470P CH
D4505
75
470PCH 470PCH
MTZJ12B
R4517
L4503
150
10uH
W927
L4502
R4507
W843
150 1/2W 100uH
8.5
BUFFER
0.5
Q4501
W919
2SC2412K 1.8
0
R4525
1.8
BUFFER
100
0 Q4502 0
2SA1037AK
0
NOTE: THE DC VOLTAGE AT EACH PART WAS NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
C
D E
(SYSCON PCB)
W855
0.1
4.8
POWER ON SW
Q4201
DTC114EK
0
C4509
16V 10 KA
W860 W907
C4508
50V 1 KA 0
0.7
MUTE SW
Q4505_1
2SC2412K 0
L4501
100uH
W900
5.1
PERI SW
4.9
W867
Q4507
1.3
AMP
2SC2412K
Q4509
2SC2412K 0.7
D E
I-10
F
D4202
11ES1N
W859
W818
W892
F
G H
8
FROM/TO SOUND AMP
SOUND_GND_A
SOUND+
SP_OUT
7
FROM POWER
AT+5.6V
P.CON+5V_B
P.CON+9V
GND
6
FROM CHROMA/IF
TU_AUDIO
TU_VIDEO
5
4
FROM/TO Y/C/A/H.AMP
FRONT_VIDEO
FRONT_AUDIO
REAR_AUDIO
TU_AUDIO
TU_VIDEO
3
REAR_VIDEO
P.CON+9V
2
TO T'TEXT
21_Y
21_R
21_G
21_B
GND
PCB010 1
VM9162
G H