Sony CA-702 Maintenance Manual page 104

CA-702 (SY) : S/N 10001 and higher
CA-702P (SY) : S/N 40001 and higher
CN-1528,7-12 1-32 REC ALARM IN
40P,1-37 1-37 REC TALLY OUT
DATA I/O ( X )
40P,1-19 1-40
SW-924,15-1 1-44 SD1/COMPOSITE
CN-1529,14-4 1-36 VTR START IN
CN-1529,14-3 1-35 RETURN IN
PS,26-7 1-13 INPUT/OUTPUT
MB-766, 1-10 1-10 UNREG +12V
UNREG +12V
MB-766, 1-9 1-9
MB-766, 1-8 1-8 UNREG +12V
MB-766, 1-7 1-7 UNREG +12V
40P,1-1/1-2 1-51 CAM UNREG
PS,26-1 1-11 DC OUT ON/OFF
PS-26-6 1-12 POWER ON/OFF
RE-153
Block Diagram
IC103
IC108 ( 6/9 )
68
BUFFER
IC110 ( 4/7 )
Q101
83
INVERTER
BUFFER
IC107 ( 3/9 )
BUFFER
TP108
IC107 ( 1/9, 2/9 )
67
BUFFER
66
TP101
IC106(6/9) TP102
CA
DATA OUT CAM TX 96
TXD1
BUFFER
Q106, IC108 ( 7/9 ) TP103
DATA IN CAM RX 95
RXD1
BUFFER
91
99
CPU
100
65
72
XTAL
X101, IC110
71
OSC XETAL
TP104
IC105
RESET RESET
Q1
POWER SWITCH
Q2, Q14
POWER IC3
RV1
ON/OFF 14
+5V ADJ
IC1, IC2 Q6 13
12
INVERTER
VOLTAGE 11
DETECT
Q4, Q5 15
PWM
SOFT START 1
CONTROL
CIRCUIT 2
6
5
4
3
3V IC4
14
Q13 13
12V Q3 Q8, Q9 Q10, Q11 12
INVERTER
11
POWER SW DC OUT SW BUFFER
Q12, Q15 15
SOFT START 1 PWM
CIRCUIT CONTROL
2
6
5
Q17 4
D3.5V ON 3
SWITCH
5-4
RE-153
Block Diagram
1-9 DATA BUS 8
20-23
IC104
25-31 ADDRESS
33-37 BUS
16
A0-A14 A0-A15 D0-D7
57
ROM
RD OE
46
CS0 CE
IC109
51-54
58, 60-62 8
BUFFER
TP105 TP107
IC106 ( 7/9 8/9 ) IC106 ( 1/9-3/9 ) , IC101
94
TXD0 5
97
BUFFER
SCK0
BUFFER
IC106
LATCH
55
IC111
BUFFER
3
4
93 TP106
7
RXD0
5
6
87
Q112, Q107, Q108, Q111
SDI CCZ
DETECTOR
IC107 ( 4/9 ) , Q110
56
BUFFER
IC106
84
BUFFER
IC106 ( 4/9 )
64
BUFFER
IC107 ( 5/9 )
86
BUFFER
Q104, Q105
85
LEVEL
IC107 ( 6/9 )
CONVERTER
89
BUFFER
Q7, IC5 ( 1/2 )
+9V REG
IC7, Q21-Q23
+5V REG
10
IC8, Q30-Q32
–5V REG
7
IC9, Q40-Q43
+3V REG
10
IC10, Q51-Q53
+3.5V REG
Q16
7 D3.5V ON
SWITCH
5-4
ENC CE 1-29 DA,1-15
DA LOAD1 1-28 DA,1-14
DA LOAD2 1-27 DA,1-13
DIF READ 1-26
DIF,1-24
DIF LOAD1 1-25 DIF,1-23
DIF LOAD2 1-24 DIF,1-22
TG1 START 1-23 AD,1-15
AD LOAD 1-22 AD,1-14
AD POWER ON 1-45 AD,1-32
MUTE 1-43 CN-1528,9-11
AUX1 1-18 DA,1-16
AUX2 1-17 DIF,1-25
SAVE 1-14 CN-1528,9-13
RXD 1-21 AD,1-13/DIF,1-21
AD RXD 1-30 AD,1-22
IC112-IC114
SDI DET 1-47 DIF,1-41
PARA SER VBS DET 1-46 AD,1-33
CONVERTER PLL LOCKED 1-42 AD,1-30
AUX3 1-16 DA,1-17
VBS SDI 1-33 CCZ,14
TXD 1-20
AD,1-12/DA,1-12/DIF,1-20
SCK 1-19 AD,1-11/DA,1-11/DIF,1-19
V RESET OUT 1-38 40P,1-17
VTR S/S OUT 1-34 CCZ,12
H: POOL FEED 1-48 DA,1-72/DIF1-79
OEN 1-49 DA,1-83
VTR SAVE OUT 1-31 CN-1528,9-13
+9V OUT 1-54 MB-766, 1-54
+9V OUT 1-53 MB-766, 1-53
+5V 1-66 MB-766, 1-66
+5V 1-65 MB-766, 1-65
+5V 1-64 MB-766, 1-64
+5V 1-63 MB-766, 1-63
+5V 1-62 MB-766, 1-62
+5V 1-61 MB-766, 1-61
–5V 1-60 MB-766, 1-60
–5V 1-59 MB-766, 1-59
–5V 1-58 MB-766, 1-58
–5V 1-57 MB-766, 1-57
–5V 1-56 MB-766, 1-56
–5V 1-55 MB-766, 1-55
+3V 1-72 MB-766, 1-72
+3V 1-71 MB-766, 1-71
+3V 1-70 MB-766, 1-70
+3V 1-69 MB-766, 1-69
+3V 1-68 MB-766, 1-68
+3V 1-67 MB-766, 1-67
+3.5V ( DIGITAL )
1-78 MB-766, 1-78
+3.5V ( DIGITAL ) 1-77 MB-766, 1-77
+3.5V ( DIGITAL )
1-76 MB-766, 1-76
+3.5V ( DIGITAL )
1-75 MB-766, 1-75
+3.5V ( DIGITAL ) 1-74 MB-766, 1-74
+3.5V ( DIGITAL )
1-73 MB-766, 1-73
RE-153
LOT NO. 709-
CA-702
CA-702P