Sony BKM-21D Maintenance Manual page 78

1
ICK
(P2,3,4) ID
2
3
4
5
A B
+5V
D5V
DGND
GND
ID0
D0
ID1
D1
ID2
IC120
D2
CXD8129K
ID3
D3 D2 DEC
ID4
D4
5V
C172 C171
R80
0.1 0.1
0
25V 25V
:CHIP
F:CHIP F:CHIP
C
BD (5/11) BD (5/11)
NTSC1
(P7,8,11)
5V
FB151
:CHIP
Q57
2SA1037AK
BUFFER
0.5
R70
100
:CHIP
5V
FB131
0.1
HPLN
:RN-CP
C200
47
VD0
6.3V
:HT-CP
VD1
VD2
VD3
VD4 25
GND 26
C177
0.01
27
F:CHIP
28
29
VD0 30
31
VD1
32
VD2
+5V
D5V
VD3
VD4
VD5
VD6
VD7
VD8
VD9
8-8 8-8
D E
(P3,4) EDPRX
+5V
C56
0.01
F:CHIP
0
4.8
R71 0
Q58
1k
2SC2412K
BUFFER
C59
Q41 4.7
R72 R73 0.01
2SA1037AK R88
240 240 F:CHIP
4.7k
D2 VIDEO SW
:RN-CP :RN-CP
1.1
:CHIP
1.7
1.1
0.5 1.1
C50 C51
180p 33p
CH:CHIP CH:CHIP
R75 R89
100 100k
:CHIP :CHIP
0.5
R74
22k
:CHIP
Q40
2SA1037AK
D2 VIDEO SW
C54
0.1
25V
+5V F:CHIP
R85 C55
200 0.1
C53
25V
0.1 R86
F:CHIP
25V 10k
F:CHIP :RN-CP
R87
24 23 22 21 20 19 18 17
4.7k
:RN-CP
AVSS NC 16
NC DVSS 15 C52
0.9 0.1
DVSS VB 14 25V
F:CHIP
DVDD IC128 DVDD 13
CXD2315Q
NC NC 12
D2 D/A CONVERTER
0
D0 CE 11
D1 BLK 10
2.6
R851
9
D2 CLK
10k
:CHIP
1 2 3 4 5 6 7 8
C173
0.01
F:CHIP
F
Q45
DTA144EKA-T146
SW
Q44
DTA144EKA-T146
SW
Q42
2SC2412K
D2 VIDEO SW
1.0
Q43
2SC2412K
D2 VIDEO SW
0.2
INT V (P1,6)
R90 R76
22k 56
:CHIP :CHIP
-5V-2
D2ANA
(P11)
BD
(5/11)
( )
D2 DEC,
D2 D/A CONV.
B-SS9520-WORLD-BD-P5
BKM-21D
G H