Defect Related To The Flash - Samsung Pro815 Service Manual

Ⅵ. TROUBLESHOOTING

5. Defect related to the Flash

Main Conde
Check the charging voltage
(Appox. 300V)
YES
Check the XE TUBE
condition (Breakage,
incorrect assembly)
Check the condition
of Trig Coil
Check the condition of
IGBT(Q15)
Check the connection
of Shoe and Top PCB
Change the Strobe PCB
NO
Refer to the Defect related to the Charging
1. Check the assembly condition of Shoe Ass'y
(Strobe FPCB) and Top PCB
2. Check the connection of Strobe PCB and Strobe FPCB
84
< How to check the Q15 IGBT >
・1, 2, 3+4 = about 4.7KΩ
・1, 2, 3+5, 6, 7, 8 and 4+5, 6, 7, 8
= hundreds of KΩ1, 2, 3+5, 6, 7, 8
and 4+5, 6, 7, 8 = hundreds of MΩ
Trig Coil