Fail to trigger/ miss
flash
1>. Check if the tube is offset, tube wire is
cold soldering, insufficient soldering,
and lampshade/ flash wire are insulated
well;
2>. If 1> is normal, check if lampshade
and copper foil contact is OK, contact
resistance of lampshade and tube is
infinite;
3>. Check if big capacitor is insufficient
soldering, voltage is normal;
4>. Check if Q809 is broken, cold
soldering or insufficient soldering;
5>. Check if D809/ C1210/ C838 are cold
soldering or short-circuit;
6>. Check if T802 is NG and soldering
spots are OK.
Communicatio
n system
USB no connection
1>. Check camera base J2 soldering and
contact is OK;
2>. Check if camera base J4 soldering is
OK;.
3>. Check if J602 on I/O board is OK, U
model flex board is OK and contact is
OK;
4>. Check if PC operation system is OK.
If the OS is older than Windows 2000,
it must install driver program;
5>. Check if PC external connection is
OK and USB wire is OK.
Audio
Power on without
voice/ sound is
abnormal
1>. Check if Speaker and lens flex board
contact well;
2>. Check if Speaker is OK;
3>. Check if 9M747-7000 flex board and
J302 on shutter board contact well, flex
board is broken;
4>. Check if U301 surrounding
components on 9M747-3000 are OK;
5>. Check if microphone wire soldering is
OK; microphone is OK;
6>. Update Full F/W.
This document cannot be modified and implemented without prior approval
from Premier.
