21Pin/In/Out Schematic Diagram - Aiwa VX-D1420 Service Manual

A B

21PIN/IN/OUT SCHEMATIC DIAGRAM

8
FROM/TO MICON
ON_TIM/PLAY_LED
KEY_B
REC_LED
T-REC_LED
KEY_A
OTPB_LED
7
REMOCON_IN
W822
STANDBY_H
TUNER_ON/OFF
AV_1
AV_2
EXT_IN_L
TU_AUDIO_MUTE_H
GND
6
P.CON+5V_A
5
Y SW
21_Y
Q4504
2SC2412K
0.7
0
0
0
Y SW 0.7
Q4508
2SC2412K
0
REAR_VIDEO
4
SW
Q4510
0
R4510
2SC2412K
TUNER_ON/OFF
0.7
10K 1/4W
0
3
0
BUFFER
Q4502
2SA1037AK
0
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
C
(SYSCON PWB)
W857
C4509
VIDEO OUT 16V 10 KA
TP4501
JWF-50K-1
46
R4524
75 1/4W
52
W833
0 2.5 0 0 0 0 0 0 0 0 0
21 19 17 15 13 11 9 7 5 3 1
20 18 16 14 12 10 8 6 4
2
21PIN JACK 0 0 0 0 0 0 0 0 0 0
NC NC
J4501
035_0_9985_05
R4540 R4516 B4502
BLM21A601SPT
1K 1/4W 75
C4515
0.001 CH
W817
L4503 R4502
10uH 100
W964
R4539
4.7K
R4507 L4502
W843
100uH
150 1/2W
8.5
BUFFER
Q4501
0.5
2SC2412K
1.8
R4525 C4501
1.8
100 1/4W 6.3V 100 KA
NOTE:
THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
C
D E
0.1
POWER ON SW
4.8
Q4201
DTC114EK
0
0
MUTE SW
0.7
Q4511
2SC2412K
0
REAR_AUDIO_IN-L
5.1
0
PERI SW
Q4507
2SC2412K
0
CAUTION: DIGITAL TRANSISTOR
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
TUNER VIDEO SIGNAL
TUNER AUDIO SIGNAL
D E
I-10
F G
D4202
C4201
11ES1N
0.001 CH
C5539_1
6.3V 220 KA
AV_1
BAIAS
C5536_1
W862_1
FRONT_AU_IN-L
1 F
AV_2
BUFFER
C5527_1
REAR_AUDIO_IN-L
1 F
AUDIO SW
IC5502_1 NJM2534V
W982
SIF
W957
RECORD LUMINANCE SIGNAL R.SIGNAL
RECORD COLOR SIGNAL G.SIGNAL
PLAYBACK LUMINANCE SIGNAL B.SIGNAL
PLAYBACK COLOR SIGNAL
F G
H
8
FROM/TO SOUND AMP
SOUND_GND
SOUND_L+
SP_OUT_L
7
FROM/TO POWER
FRONT_V_IN
AT+5.6V
GND
P.CON+9V
MONITOR_A-L_B
6
P.CON+5V_C
MONITOR_A-L
P.CON+5V_A
REAR_VIDEO
SIF
5
4
FROM/TO Y/C/A/H.AMP
FRONT_V_IN
FRONT_AU_IN-L
REAR_VIDEO
REAR_AUDIO_IN-L
3
FROM/TO T'TEXT
21_Y
21_R
21_G
21_B
2
FROM/TO CHROMA/IF
TU_AUDIO-L_A
GND
PWB010
VMX199
1
H