Sony CA-755, Maintenance Manual

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7-19
CA-755/755P
7-19
2
3
4
5
1
I J K L M N O P
1
2
3
4
5
6
7
8
9
10
1
2
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
CN1
CN113
L6
47µH
L5
3.3µH
C4
0.033
500V
L1
22.5µH
L2
48µH
L3
48µH
L4
48µH
1
2 3
4
0
0
1 1
2 2
1
2 120V OUT(H)
120V OUT(C)
1
2
3
120V IN(H)
120V IN(C)
NC
DC IN
10.5-17V
AU
L
M
H
Y OUT
C OUT
4MHz
18MHz
36MHz
70MHz
MPX FILTER
RET IN
AU IN-OUT
RET VIDEO IN
IN-OUT
GND
GND
GND
GND
RET VIDEO OUT(X)
RET VIDEO OUT(G)
-5V
-5V
UNREG GND
UNREG GND
CN1
GND
MB,CN7
MB,CN6
MB,CN5
RX,CN1
UNREG GND
UNREG GND
EXT DC IN
1
1
CN101
CN102
(TO CCU)
(TRIAX)
2
9
HARNESS
(RF)
(POWER)
HARNESS
-WIRING SIDE-
CN2
CN111 CN112
CN112
3
0
0
8
CN2
CN3
UNREG OUT
UNREG OUT
UNREG OUT
UNREG OUT
UNREG GND
UNREG GND
INCOM 7.5V
INCOM GND
UNREG GND
PWR CONT
NC
UNREG IN
UNREG IN
+7.5V
+7.5V
GND
+5V
+46V
-5V OUT
-5V OUT
+26V GND
+26V GND
+26V OUT
+26V OUT
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A8
B8
3
NC
AC230V/DC150V(H)
AC230V/DC150V(C)
AC/DC-DC CONVERTER ASSY
RX-37 BOARD
FL-234 BOARD
+7.5V
+7.5V
2
0
1
3
6
9
2
0
1
0
0
6
2
9
2
9
Frame Wiring
CN-1176 FL-234 SW-900/901 VR-236 CN-1176 FL-234 SW-900/901 VR-236
Frame Wiring
Frame Wiring
CN-1176
FL-234
SW-900/901
VR-236
B-¥CA755-FRAME