Trouble Shooting - Casio QV-770 Service Manual

Trouble 1 : No display
• LCD connector or BL connector is OPEN.
Insert connector. If broken, replace it.
Trouble 2 : Erratic display when using strobe.
• Interruption when using strobe.
Refer to "1-4. Strobe check".
Trouble 3 : Cannot switch between REC/PLAY.
• Broken slide switch of PCB-L ass'y or improper assemble.
Replace switch or re-assemble.
Trouble 4 : Short battery life.
• Refer to User's Manual (P15, 16, 75).
Varies depending on manufacturer, kind of battery, temperature, storage period.
The time specified in user's manual is generalization and is not guaranteed.
Trouble 5 : When switching from PLAY to REC LCD display turns blue and key input does no work.
(Unable to turn power off)
• Faulty connection between PCB-DA ass'y and camera unit or camera unit failure.
Reconnect connector or replace either L case ass'y or CL unit or CAM case unit.
Trouble 6 : Faulty display (not using strobe).
• Bad connector connection between PCB-DA ass'y and camera unit.
Reconnect the connector.
• EEPROM data error.
Operate color parameter.
• Camera unit failure.
Replace CL unit or CAM case unit.

TROUBLE SHOOTING

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