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Operation Function Troubleshooting - Acer CE-6430 Service Manual

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Operation Function Troubleshooting

Item
NG point
Charging
Fail to charge
and
Triggering
system
Charging is
normal but no
trigger
Lens
Blurred Image 1. Check if the analysis of lens unit has reached the
System
Lens AF not
moving
Lens not
moving
Chapter 4
NG Analyzing solution
1. Check the F/W version, update F/W again;
2. Check if the signal of STROBE_CHG on MCU board has
been output;
3. Check if U1, T1, Q4 and big capacitor of FLASH/B are
ok;
4. Check if the Charge_C signal on FLASH/B is normal;
5. Check if the connector J3 on MCU board is soldered and
connects well.
1. Check if the flash mode setting is correct;
2. Check if the triggered signal STROBE on MCU board has
been sent off;
3. Check if the lampshade connecting cable is cold soldered
or open circuit;
4. Check if U1, D2 and Q4 on FLASH/B are ok;
5. Check if the triggering choke of FLASH/B is ok;
6. Check if the connector J2 on MCU board is soldered or
connects well
specification;
2. Check the F/W version; update F/W again.
1. Check if the lens unit, power +5.0V and +3.3V are ok;
2. Check the F/W version, update F/W again;
3. Confirm if the output control signal of MCU board is
normal;
4. Check if the output signal AFSM2A-, AFSM3A+ and
AFSM3B+ of MCU U601 are normal;
5. Check if the solder of the connector parts are ok.
1. Check if the lens unit, power U802 +5.0V and +3.3V are
ok;
2. Check the F/W version, update F/W again;
3. Check the output signal Shutter_M1 and Shutter_M2 of
DSP are normal;
4. Check the output signal SHD1 and SHD2 are normal.
14

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