Sony BVS-A3232 Maintenance Manual page 117

1/4 ACT RS
CN1
14A +5V(A)
CN3
15A +5V(A)
15B +5V(A)
15C +5V(A)
CN3
16A GND
16B GND
16C GND
8A GND
11A GND
CN1
1A GND
1B GND
1C GND
2A GND
2B GND
2C GND
5B GND
7B GND
8B GND
16B GND
17B GND
18B GND
19B GND
32A GND
32B GND
32C GND
CN2
1A GND
1B GND GND
1C GND GND
3A GND GND
32A GND GND
32B GND
32C GND
8
2/4 PE0
4
2/4 PE1
2
2/4 PE2
1
2/4 PE3
CN1
4.7k
5C REF IN
BVS-A3232
A B
C232
0.1
+5V
ICC13
TL7705CP-B
L1
R66 R67 C219
10k 100 0.1
8
V
7 SS
SENSE
C28 C29 C30 C31 C34
C27 100 100 100 100 100 C35 R126
C13
0.1 6.3V 6.3V 6.3V 6.3V 6.3V 0.1 10k
2
RES
IN
WI CT GND
1 3
RESET
C71
S2 C36 100 C38
0.1 6.3V C37 22
0.1 6.3V
RB300
1OkX4 +5V
8 5
+5V
4 6
ICM2
TC74HC123AF
2 7
(1/2) C526
2200p R538
1 8
18k
+5V
14 15
TP10
13 4
2 Q
1
1 M2
4 3
Q
3
ICH1
SN74HC02ANS
C531
0.1
(1/4)
3
1
2
+5V
C17 R54 R56 R57
3.3 330k 18k 33
ICN1
35V
LM1881M
8 1
V SYNC
CC
C19
CLAMP
0.1
2
C18
YIN N1
R52 3.3
35V
VSYNC
GND RESET FRAME
Q9
2SA1175-E
4 6 7
C20
R53 R55 100 C21 R58 C22
220k 220k 6.3V 0.1 680k 0.1
C
CPU-94 (3/4) CPU-94 (3/4)
+VB
Q11
2SA1175
R70 R71
10k 47k
C80
R114 R115 47
10k 1500 6.3V
6
Q
5
Q
3.6V
Q12 E1 E2 E3 E4 E5 E6
4
2SC2785
R72
10k
BT1
ICM1
TC74HC123AF
(1/2)
+5V ICK2
C527 PEEL18CV8 2200p
0.1
14
+5V
20
TP3
2
PE0 12 1
SW TRG
PE1
PE2 2
NT/ PAL
PE3
+5V
K2
19 ICJ2 ICH2
COUNT
SN74HC164ANS TC74HC123AF
(1/2)
C300 R300
H DET
0.1 470k
+5V +5V
SYNC
11 14 15
1
FRAME OE
A 13
2
GND 2 Q
B
10 8 J2 13 1 H2
QH 4
Q
CLR
5 9 3
+5V +5V
4
6
C302 C304
0.1 0.1
ICH1
SN74HC02ANS
(2/4)
ICM1
TC74HC123AF
(2/2)
C23
+5V +5V
3.3 R60
35V 33k
6 7
5
Q
10
9 M1 12
Q
TP4
5
11
3
R59 10k
TP5
+5V
SW 8 1
S1 -1
POINT
SYNC ASYNC
9-7 9-7
D E
ICH2 ICM2 ICK1
TC74HC123AF TC74HC123AF TC74HC221ANS
(2/2) (2/2) (2/2)
12 5 13
10 Q 10 Q 2 Q
9 H2 9 1
5 12 4
Q Q Q
11 11 3
SW POINT ADJ
+5V ICK1
TC74HC221AF
RV2 (1/2)
20k
C52 R61 C25 R62 +5V ICJ1
2k SN74HC08ANS
6800 330p
(3/4)
15 6 7
+5V
+5V
13 5 ICH1
TP9
Q Q SN74HC02ANS
C26
10 (3/4)
0.1
M1 K1
4 9 12 9
Q Q 10 11
8 13 10 14
12 8
3 11 9
7
ICH1
SN74HC02ANS
(4/4)
F G
1
2
SW POINT 2/4
3
IOSL5 1/4
MASK 2/4
NTSC/ PAL 2/4
RESET 1/4
RESET 2/4
RESET 4/4
4
FAIL 1/4
V SYNC 1/4
P01 1/4
P02 1/4
5
CPU-94 (3/4)
BOARD NO. 1-642-697-13
LOT NO. 202-
B-¥BVSV3232-CPU94
H