Troubleshooting; Trouble Diagnosis; Setting To Service Position - Hitachi VK-U174 Service Manual

4

Troubleshooting

4-1 Trouble Diagnosis

4-1-1 Setting to service position

Remove bracket R and bracket L, referring to "5. Disassembly and Reassembly", and connect the
camera as shown in Fig. 4-1-1.
Note:
To prevent short-circuit, always perform trouble diagnosis of camera on insulated mat.
PC CIRCUIT
BOARD
CSR CIRCUIT
BOARD
DSP INTERFACE CONNECT JIG
(Parts No. 7069179)
RD
1
2
SD
3
GND
4 +B
GND
5
6 VIDEO
7 GND(VIDEO) BRW
8 EX-FV
9 GND(EX-FV) BRW
DC POWER
SUPPLY
(9V/3A)
+
GND
9PIN FLAT CABLE
PG3501
(ACCESSORY)
WHT
1
BRW
BRW
BRW
BRW
BRW
1 2 3 4 5 6 7 8 9
BRW
Fig. 4-1-1 Connections for Trouble Diagnosis
4 - 1
9
COLOR MONITOR
VIDEO IN