Sony CA-755 Maintenance Manual page 120

CA-755 (UC)
CA-755 (J)
CA-755P (CE)
1
A18
A17
2
3
IC50(2/6)
TC74VHC04FS
A4
3
23 CALL IN
29 CCU/LOCAL
4
14 CAM DATA I/O
5
7 -5V
8 -5V
A B
IC50(1/6)
TC74VHC04FS
1 2 RAM
5V
5V
D1
14 HSM88AS R16
IC1(1/4)
1k
1 TC74VHC32FS
3 ROM
2
C2
7 0.1 C4
22
16V
:TA-CC
RAM
IC1(2/4)
TC74VHC32FS IC1(3/4)
TC74VHC32FS
4
6 9
NEWCOM0 IC3
4 5 8
10 M62021FP
8 1
CS VOUT
IC1(4/4) RESET ≠≠≠≠≠ ≠≠≠≠
7 2
RES VBAT
TC74VHC32FS
3
6 3
GND VIN
12
11 NEWCOM1 RESET 5 4
RES Ct
5 6 13
C5
IC50(3/6)
10
TC74VHC04FS 10V
:TA-CA
5V
IC50(4/6) IC50(5/6) IC50(6/6)
TC74VHC04FS TC74VHC04FS 14 TC74VHC04FS
13 12 11 10 9 8
C99
0.1
7
5V
R9 R13
47k 47k
R4
EF1 R2 10k
P85
1k R11
10k
P84
IN OUT
GND
5V
TP7
C3
1 R156
35V 100k
:TA-CA
P75
SL1
EF29
R3
1k
IN OUT
GND
TP8
C85
0.1
P93
TP9
Q5
2SA812-T1-M5M6
P95
5V
IC2
D2
TC7S08FU HSM88AS-TL
R17
IC4
22k
R1 TC7S08FU
100k
TP10
5
1
P96
4
4
2
3
EF2
R7 5
2200 1
4
IN OUT 2
2 R18 R19
GND
10k 10k
3
L1
22µH
C1
47
16V -5V
:TA-CD
C
IF-607 (1/2) IF-607 (1/2)
IS7
IC6
CXK581000ATM-10L
L-TL
IC7
NM27C512V-CA755
8
A0 D0 A0
20 VCC 21 11
A0 D0
A1 D1 A1
19 22 10
A1 D1
A2 18 23 D2 A2 9
A2 D2
A3 D3 A3
17 25 8
A3 D3
A4 16 26 D4 A4 7
A4 D4
A5 15 27 D5 A5 6
A5 D5
IC5
TC7S32FU A6 D6 A6
14 28 5
A6 D6
5 A7 13 29 D7 A7 4
A7 D7
1
A8 A8
4 3 29
5 A8
2
A9 A9
2 28
A9 6
3
A10 31 A10 24
A10
A11 A11
5V 1 27
A11
A12 A12 3
12
A12
R20 A13 4 A13 30
A13
1k
A14 A14
11 31
A14
A15 7 A15 2
A15
A16 10 12
A16
30 26
CE1
C6 R21 C7 A17 6 17
CE2
0.1 100k 0.1
WR ≠≠ ≠ ROM
BT1 5 23
WR
≠≠ ≠ RD RD ≠≠ ≠
32 25
OE
9 1
NC
GND
24
2/2 RESET
2/2 NTSC/PAL
5V
R135
100k
EF30
R134
1k
1
20 RET 2(CAM) IN OUT
48
GND
2
5V
IC8(2/3)
TC7WU04FU
R23
100k
EF4
R22
1k
6
21 RET2 ON IN IN OUT
GND
EF5
R29
1k
22 RET1 ON IN IN OUT
GND
2/2 GND
7-10 7-10
D E
C16
10p
5V
R30 R31
100k 100k
5V 80 79 78 77 76 75 74 73 72 71 70
1
P21/R/ W
C8 2
P22/ DS
0.1
≠≠ ≠ RD 3
P23/ RD
≠≠ ≠ WR
32 4
P24/ WR
5
V
CC
JC2
D0
VCC 13 6
A0 D0 MD0
D1 TP12
14 7
A1 D1 MD1
JC1
15 D2 8
A2 D2 MD2
D3
18 9
A3 D3 STBY
19 D4 RESET ≠≠≠≠≠ ≠≠≠≠ 10
A4 D4 RES IC12
20 D5 11 HD6435328RA00F
A5 D5 NMI
D6
21 12
A6 D6 GND
22 D7 D0 13
P30/D0
A7 D7
D1 14
A8 P31/D1
D2
15
A9 P32/D2
D3 16
A10 7 P33/D3
D4
17
A11 P34/D4
D5
18
A12 P35/D5
D6 19
A13 P36/D6
D7
20
A14 P37/D7
A15
5V
NC
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
NC
NC
CE
C13
OE
0.1
NC
GND
16
5V
IC52
LM35DM
C97
10
16V
TA-CB
IC53(1/2)
8
R150 NJU7022M
100 R154
VCC
7 1 3 8 1k
NC VO
1 P83
6 2 2
NC NC
R151 4
5 3 ,N'M
NC NC
C98
GND (2012)
,N'M
R152
IC53(2/2) (2012)
4 22k
NJU7022M
C96
6 (2012)
,N'M
7
5 C95 R153
TA-CA ,N'M 10k
IC48
TC7S00FU
IC15(6/6)
5
TC74HC4050AF
4
P14
14 15
15
3
5V
1
RB1
R28
6 5 9 2 8 3 7 4
100k
8
P86
2 S1
8
R6
10k
P10
S1-1
P77
R8
10k
P11
S1-2
IC8(3/3)
TC7WU04FU P12
S1-3
5V
P13
P87 S1-4
3 5
8
4
P76
S1-5
R132
P74
47k
P76
DF /NDF
SL2
R35
100
2/2 DF/NDF
P91
F
X1 C17
10p
69 68 67 66 65 64 63 62 61 5V
60
AV CC
59 P87
P87/AN7
58 P86
P86/AN6
P85
57
P85/AN5
56 P84
P84/AN4
P83
55
P83/AN3
P82
54
P82/AN2
53 P81 C23
P81/AN1
0.1
P80
52
P80/AN0
51
AGND
50 P77
P77/FTOA1
P76
49
P76/FTOB3/FTCI3
48 P75
P75/FTOB2/FTCI2
47 P74
P74/FTOB1/FTCI1
P73
46
P73/FTI3/TMRI
45 P72
P72/FTI2
P71
44
P71/FTI1
P70
43
P70/TMCI
42
V
CC
41
P63/A19
2/2 SYNC
EF6
12 SYNC IN IN OUT
GND
R54
47k
EF7
17 V RESET OUT IN OUT
GND
CA-755/755P
G H