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

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A
8
5.0 4.5
7 36
BUF
AMP
SW1-L
A
1
5.1 0.3
6
5
4
3
2
1
A
B C
21PIN/OSD/VPS SCHEMATIC DIAGRAM
NC NC NC NC NC
4.5 4.5 4.5 4.5 0 1.7 0 1.1 1.6 1.6
5.9 5.1 4.5 1.7
35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
BUF
BUF BUF
REGULATOR
MUTE
AMP
GAIN CTL
SERIAL CONTROL 6dB
SW2
A A SW3
B C SW2-L C SW3-L
B B
C A C
B
CLAMP CLAMP
EXT COTROL2
EXT CONTROL1 VCC
VCC
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
5.0 9.0 5.1 0 5.0 9.8 5.1 9.8 5.1 0 0 2.2 2.2
4.9
NC NC NC NC NC NC
DC CLAMP
5.2
Q4801
2SC2412K
1.7
C4804
2.1
EE/VV_V_OUT
6.3V 22
KANP
L4801
P.CON+5V
100uH
L4803
L4802 100uH
IIC_DATA
100uH
NC
NC
5.1 5.1 3.8 2.5 0 2.6 3.0 5.1 2.0
30 29 28 27 26 25 24 23
1 2 3 4 5 6 7 8
0 2.8 5.1 5.1 3.0 2.5 2.6 5.1 0.2
NC NC
L4806
33uH
B 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
1.7 2.1 DEC_A_OUT-L
20 19
100
BUF CLAMP
6dB
SW1
A
B B A
CLAMP
VCC
17 18
4.9 1.8
R4529
TV-L/VCR-[10V]
100
R4819
RF_CONV.V
0
RGB_ON-H
100
OSD_VIDEO_OUT
2.6
BUFFER
Q4802
1.8 2SA1037AK
0
C4820
KA
6.3V 47
R4523 L4504
PERI_A_OUT-L
100
NC NC
2.1 0 2.1 5.2 0 1.3
22 21 20 19 18 17 16
PERI_A_IN-L
TV-L/VCR-[10V]
9 10 11 12 13 14 15
PERI_VIDEO_OUT
4.9 4.9 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
Digitized in Heiloo, Holland
F
(MODEL:HV-GX950K)
L4506 R4512
22uH 10K
L4501 R4504
22uH 560
R4511
10K
R4526
1.5K
0 NC NC
R4520
0
23 25 27 31 33 35
29
VCR/DECODER
2.2K
RGB SW 0
Q4505 22 24 26 28 30 32 34 36
2SA1037AK
2 4 6 8 10 12 14
0
1 3 5 7 9 11 13 15
TV
RGB ON SW
Q4506
NC NC
0 DTC124EKA
R4513
2.7K
R4503
22uH 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
18/1/2015
G H
8
7
6
37 39 41
38 40 42
16 18 20
5
17 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
G H