OLYMPUS C-730 UZ Repair Procedure V1R2
D. REPAIR PROCEDURE
C-730 Ultra Zoom
D. REPAIR PROCEDURE
[1] TROUBLESHOOTING GUIDE ..................................................................................D-2
POWER LOSS INOPERATIVE ...............................................................................D-2
TAKING INOPERATIVE .........................................................................................D-2
NO PICTURE ..........................................................................................................D-2
[2] CONFIRMATION AND UPDATE OF THE FIRMWARE ..............................................D-3
HOW TO CONFIRM FIRMWARE ............................................................................D-3
HOW TO UPDATE FIRMWA RE..............................................................................D-3
D-1
Ver.1/Rev .2
[1] TROUBLESHOOTING GUIDE
D. REPAIR PROCEDURE C-730 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
OSCILLATION
YES
IC301-38
OSCILLATION
YES
NO
POWER SW, CN302,
D3003, 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
IC301-55, 56
(SCAN IN 6, 7)
PULSE INPUT
YES
IC301-5, 6
(P ON, P(A) ON)
HIGH
CN301-62, 63, 64
HIGH
YES
SERIAL
COMMUNICATION
OK
CHECK CA2
CHECK PFC include
NO
POWER SW, CN301,
LOW
CHECK IC301, ST1
NO
CHECK IC301, ST1
NG
RB303
CHECK IC301
CHECK IC301
NO PICTURE
CLK (96MHz)
IC111-11 (IC102-83)
YES
CLK (48 MHz)
INPUT TO
IC101-132 (CLK IN 1)
OK
IC101-61 (ZAS)
OK
IC101-118, 119
(IRL1, 2)
OK
CHECK SOLDERING OF
EACH CPU AND
MEMORY PIN
MAIN CLOCK FOR SYSTEM OPERATION
NO
NO OPERATION IF ABSENT
CHECK X1101 OSCILLATOR AND IC111
BASIC CPU BLOCK
NG
CHECK BOTH
EDGE OF R1016
ALWAYS APPEARS WHEN CPU, ETC. IS ACCESSED
NG
CHECK IF CPU IS READKING PROGRAM, AND
CHECK ADDRESS AND DATA BUS OF IC121
INCORRECT HANDSHAKING
NG
BETWEEN 8-BIT CPU
CHECK EACH INTERFACE
D-2 Ver. 1
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