OLYMPUS C-740 UZ Repair Procedure v1
D. REPAIR PROCEDURE
C-740 Ultra Zoom
D. REPAIR PROCEDURE
[1] TROUBLESHOOTING GUIDE .................................................................................. D-2
POWER LOSS INOPERATIVE ................................................................................D-2
TAKING INOPERATIVE ........................................................................................... D-2
D-1
Ver. 1
[1] TROUBLESHOOTING GUIDE
D. REPAIR PROCEDURE C-740 Ultra Zoom
POWER LOSS INOPERTIVE
CHECK PFC include
IC301-46 (SCAN IN 0)
PULSE INPUT
YES
IC302-7 (UNREG)
HIGH
IC301-10
(VDD)
HIGH
IC301-36
(RESET)
HIGH
IC301-43
(BAT OFF)
HIGH
IC301-41
4MHz OSCILLATION
YES
IC301-38
32.768kHz
OSCILLATION
YES
NO
POWER SW, CN302,
D3013, RB302
LOW
LOW
LOW
LOW
NO
NO
CHECK IC302
CHECK IC302, R3006
CHECK R3007
CHECK X3001
CHECK R3015,
C3010, C3016
CHECK ST1
TAKING INOPERATIVE
PUSH SHUTTER
BUTTON
IC301-26, 27
(SCAN IN 2, 3)
PULSE INPUT
YES
IC301-5, 6
(P ON, P(A) ON)
HIGH
CN301-62, 14
HIGH
YES
SERIAL
COMMUNICATION
OK
CHECK CA-A
CHECK PFC include
NO
POWER SW, CN301,
LOW
CHECK IC301, ST1
NO
CHECK IC301, ST1
NG
D3013, RB302
CHECK IC301
CHECK IC301
D-2 Ver. 1
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