21Pin/Osd/Vps Schematic Diagram (Hv-Gx950K - Aiwa HV-GX950 K Service Manual

A B
8
NC
5.0
4.5 5.9 5.1
7 36 35 34 33
BUF REGULATOR
AMP
SW1-L
A B
1 2 3 4
5.1 0.3 5.0 9.0
NC NC
6
5
4
3
2
1
A B
C
21PIN/OSD/VPS SCHEMATIC DIAGRAM
NC NC NC NC
4.5 4.5 4.5 4.5 0 1.7 0 1.1 1.6 1.6 1.7 2.1
1.7
4.5
32 31 30 29 28 27 26 25 24 23 22 21 20 19
BUF BUF CLAMP
BUF BUF
MUTE
AMP
GAIN CTL
SERIAL CONTROL
6dB 6dB
A A SW3 SW2
C SW2-L C SW3-L
B B SW1
C A C A
B B B A
CLAMP CLAMP CLAMP
EXT COTROL2
EXT CONTROL1 VCC VCC
VCC
5 6 7 8 9 10 11 12 13 14 15 16 17 18
5.1 0 5.0 9.8 5.1 9.8 5.1 0 0 2.2 2.2 4.9 1.8
4.9
NC NC NC NC
R4819
DC CLAMP
5.2
Q4801 100
2SC2412K
1.7
C4804
2.1
EE/VV_V_OUT
6.3V 22
KANP
L4801
P.CON+5V
100uH
L4803
C4820
L4802 100uH
IIC_DATA
KA
100uH 6.3V 47
NC
NC NC
5.1 5.1 3.8 2.5 0 2.6 3.0 5.1 2.0 2.1 0
30 29 28 27 26 25 24 23 22 21
1 2 3 4 5 6 7 8 9 10
0 2.8 5.1 5.1 3.0 2.5 2.6 5.1 0.2 4.9 4.9
NC NC
L4806
33uH
C
D E
(SYSCON PCB)
AT+5V
DEC_V_IN
DEC_V_OUT
PERI_CTL-L
SCRANBLE
4.9
R4524
SW
0
Q4501
22K DEC_A_IN-L
0 DTC114EKA
R4502 L4501
DEC_A_OUT-L
100 22uH
R4529
TV-L/VCR-[10V]
100
R4520
2.2K
0
RF_CONV.V
0
RGB_ON-H
RGB ON SW
Q4506
OSD_VIDEO_OUT 0 DTC124EKA
2.6
BUFFER
Q4802
1.8 2SA1037AK
0
R4523 L4504
PERI_A_OUT-L
100 22uH
NC
2.1 5.2 0 1.3
20 19 18 17 16
PERI_A_IN-L
TV-L/VCR-[10V]
11 12 13 14 15
PERI_VIDEO_OUT
5.2 3.1 3.1 0
R4812
10K
PERI_VIDEO_IN
V V: THE PICTURE ON SCREEN APPEARS DURING PLAYBACK.
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
I-19
F G
(MODEL:HV-GX950K)
L4506 R4512
22uH 10K
R4504
560
R4511
10K
R4526
1.5K
NC NC
0
0
23 25 27 31 33 35 37 39
29
VCR/DECODER
RGB SW 0
22 24 26 28 32 34 36 38
Q4505 30
2SA1037AK
2 4 6 8 10 12 14 16 18
1 3 5 7 9 11 13 15 17
TV
NC NC
R4513
2.7K
R4503
560
L4507 R4508
22uH 2.7K
C4503
R4507
16V 470 YK 75
CAUTION: DIGITAL TRANSISTOR
NOTE: THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
F G
H
8
7
6
41
40 42
20
5
19 21
4
3
RECORD LUMINANCE SIGNAL
2
RECORD COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
PLAYBACK COLOR SIGNAL
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
1
PCB010
VM9150
H