ServiceManual G-ShotP611
TFT-LCD no
image/noise
1>. Check if LCD soft board is well
connected to interface
2>. Check if JP3 is cold soldering.
3>. Check if LCD is OK.
4>. Check if signal DRV has the square
wave output, LED ANDOE is about 7V.
TFT-LCD display
LENS COVER
CLOSED
1>. Check if SW1 on Power Board is
damaged, cold soldering.
Charging fail or
insufficient charging
voltage
1>. Check if Trigger/B IGBT Q2 is
breakdown.
2>. Check if D3 is been reverse
breakdown.
3>. Check if R1/R2/R4 is cold soldering,
value changed.
4>. Check if U1 is cold soldering or NG.
5>. Check if Big capacitor is leakage.
Charging and
Triggering
system
Charging is normal
but no triggering 1>. Check if Flash Mode set is correct.
2>. Check if lead wire of reflector is cold
soldering, broken-circuit.
3>. Check if C6, C7 is cold soldering,
broken-circuit.
4>. Check if interface JP3 is cold
soldering.
5>. Check if tube is cold
soldering/offset/crack/broken-circuit.
6>. Check if Q3, Q5 is OK.
Lens System Blur shot 1>. Check MCU board SW6 is cold
soldering or broken which resulted in
fail in switching while distant shot and
close shot.
2>. Check if lens is dirty
3>. Check if lens is loose or work bad.
Communications
System USB no connection 1>. Check if USB interface is cold
soldering, bad soldering.
2>. Check if USB wire, interface is OK.
3>. Check if L5, L6 is cold soldering,
broken circuit.
4>. Check if PIN in USB interface is
distort.
If change any PCB of DSC, the calibration is necessary.
Version: K01A 5
