Sony DSR-20MD Service Manual page 61

VA-102 (VIDEO OUT) SCHEMATIC DIAGRAM • See page 4-59 for VA-102 printed wiring board.
1 2 3 4
VA-102 BOARD (4/12) VIDEO OUT
-REF.NO.:1,000 SERIES-
A
XX MARK:NO MOUNT
5-1
5-2
5-3
5-9
5-10
VA-102 BOARD (1/12)
B 5
5-11
(SEE PAGE 4-64)
5-8
5-4
5-7
5-6
C
D
E
F
R407
15k Q403
5 2SC4081T106R
2.9
C405
22u 2.3
4V
R408
10k
G
R410
470
21-1
GND
VA-102 BOARD (5/12) 21
(SEE PAGE 4-71)
VIDEO_5V
H
21-2
05
• See page 4-122 for waveforms.
5 6 7 8
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
C444
0.01u
C443
0.01u
B
36 35
R416
15k
5
2 Q405
2SC4081T106R
C415
4V C433
1.4
22u C427
1u
0.01u F
R417 R423
B
10k 0
0
3.3
CL414
1.3 15
R424
1k
R430 R433 C434 3.1
10k 10k 1u
F 2.5
0.3
R427 RV402 R434
DSR-20MDP 0.3 16
1K 1K 1K
RV402 2.5
PB 3
BURST LEVEL
C425
3.5
ADJUST
0.01u
CL406 B
C429
1u
F
C435
1u
F
1 2
13
R418
15k 5 Q406 C445
2SC4081T106R
1u
2.9
C430 F
1u
F
C416
2.3
4V
22u
CL411
R419
10k
R425
C436 C448
470
L404 22u
0.01u
10uH 6.3V
B
C446
0.01u
B
4-69
9 1 0 1 1 1 2 1 3
C450 C454
0.01u 0.01u
R467
B B B
47k
C456 C457
0.01u
0.01u
B
B
C447
C453
0.1u
0.1u
F R468
F
47k
R472
0
C464
34 33 32 31 30 29 28 27 26 25
0.01u
B
R481
C459
5 0
1u
F
3.4
14
R480
0
5
2
IC404
CXA1592R-T4
IC404 CL421
2.4
C465
5 0.01u
C476
0.01u
C466
2.8
B
22u
6.3V
2.3
R486
CL419
1k
0
C463
0.01u
DSR-20MDP
R482 R484
3 4 5 6 7 8 9 10 11 12 0
0
DSR-20MD
R404
0
DSR-20MDP
DSR-20MD
R461
C451
0.01u 0
B
PB C
LEVEL
R464
R460
RV406
0
0 1k
R452 DSR-20MD
0
DSR-20MDP
R449
0
DSR-20MD
1 4 1 5 1 6 1 7
R507
100k
R508
100k
24
R517
0
CL429
TP401 0
R503
R509
CL426 1k
100k 2.2
C490
C489
1p
27p CL427
CK
CH
C491 5
0.01u
C493 R512
B
10u 16V
0
5
14.318182MHz
:DSR-20MD
R504
C492 2.5
CL424 17.734475MHz 0
10p CH
:DSR-20MDP
2.4
X403
ENCODER
0.1
FREERUN
CT401 CL430
R506
C494 0
0.001u
D401
1T363-01-T8A
1
R502 R505
100k 100k
L412
10uH
R520
FL401 10k
R519
R513 R525
4700 0 10k
R521
0
C496 C497
C500
2.2u 0.1u
0.1u
35V R514 F
R406 F
220k
0
SIGNAL PATH
VIDEO SIGNAL
CHROMA
REC
PB
4-70
DSR-20MD/20MDP
1 8 1 9 2 0
DSR-20MD
C501
0.01u
B R529
0
DSR-20MDP
R527
1K
23 22 21 20 19 18 17
0
0
R540 0
R541
0 0
IC407
CXD2192Q-T4
R539
5 1k C505 0.01u
IC407
C506
10u
5.2
16V
17
R542
CL445
0
2 3 4 5 6 7 8
R528
0
R533
C503
0
R526 0.01u
10k
B
Y Y/CHROMA
VIDEO OUT
VA-102 (4/12)