Casio QV-780, Service Manual & Parts List

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TROUBLESHOOTING
Display shows “DIAL” and
buttons do not work.
Display shows
CF
CF ERROR
FORMAT
➝
MENU
Display shows
SYSTEM ERROR
CALL TECH
SUPPORT
Display shows
CF
NO CARD
Power will not turn on.
No display.
Flash not rechargeable/
will not flash
Problem Cause Solution
1. Dial key is placed in an odd place.
2. SW502 of DA assembly keeps
turning on.
1. Erroneous CF card data.
2. CF card hard drive error.
(Unable to execute Scan Disk or
format)
3. Broken circuit or broken connec-
tor on CF card of DA assembly
1. Bad connection between DA as-
sembly and camera unit.
2. Erroneous EEPROM.
(exclude CF card)
1. No CF card.
2. Broken circuit or broken connec-
tor on CF card of DA assembly.
1. Memory card cover is open, or
SW502 is broken.
2. FU150 is broken.
3. Flat cable connecting DA assem-
bly and L assembly is loose or
broken.
4. Flat cable connecting DA assem-
bly and key assembly is loose or
broken.
1. LCD connector of BL connector is
open.
2. IC701 is broken or bad soldering.
1. IC531 is broken or bad soldering.
1. Turn the Dial key until it makes a
click sound, when there is no click
sound, click spring of key assem-
bly may be broken or distorted.
2. Replace SW502.
1. Read P109 of Instruction Manual.
CF card can be handled the same
way as hard drive.
Try the actions noted below.
1) Set CF card to the PC using PC
card adapter.
2) Save the correct file in memory
file.
3) Execute “Scan Disk” on CF card
and correct the data of format.
4) Save the correct data than copy it
onto CF card.
2. Consult to technical support.
3. Replace connector of DA assem-
bly.
1. Reconnect the connector.
2. Execute DA assembly check pro-
gram. If NG, replace.
1. Insert CF card
2. Replace connector or DA assem-
bly.
1. Close memory card cover, or re-
place SW502.
2. Replace FU150.
3. Reinsert the flat cable or replace
the flat cable.
4. Reinsert the flat cable or replace
the flat cable.
1. Insert connectors.
If broken replace them.
2. Resolder or replace IC.
1. Refer to “Strobe adjustment”