OLYMPUS C-5050 Zoom Repair Procedure v1
D. REPAIR PROCEDURE
C-5050 ZOOM
D. REPAIR PROCEDURE
[1] TROUBLESHOOTING GUIDE .................................................................................. D-2
POWER LOSS INOPERATIVE ...............................................................................D-2
TAKING INOPERATIVE ......................................................................................... D-2
NO PICTURE ..........................................................................................................D-2
D-1 Ver. 1
[1] TROUBLESHOOTING GUIDE
D. REPAIR PROCEDURE
C-5050 ZOOM
POWER LOSS INOPERTIVE
CHECK UNIT include
IC301-12 (SCAN IN 7)
PULSE INPUT
YES
IC302-7 (UNREG)
HIGH
IC301-18, 77
(VDD)
HIGH
IC301-21
(RESET)
HIGH
IC301-6
(BAT OFF)
HIGH
IC301-19, 20
OSCILLATION
YES
IC301-15, 16
OSCILLATION
YES
NO
POWER SW, CN302,
CN653, CN651, RB302
LOW
CHECK PW1, IC102
LOW
LOW
LOW
NO
NO
CHECK IC302
CHECK IC302, R3004
CHECK R3003
CHECK X3001
CHECK X3002,
R3006, C3011, C3012
TAKING INOPERATIVE
PUSH SHUTTER
BUTTON
IC301-84, 85
(SCAN IN 0, 1)
PULSE INPUT
YES
CN301-64, 65
(P ON, P(A) ON)
HIGH
CN301-69, 70, 71
HIGH
YES
SERIAL
COMMUNICATION
OK
CHECK IC102
CHECK UNIT include
NO
LOW
CHECK IC301, PW1
NO
IC301, IC102, PW1
NG
CHECK IC301, IC102
SHUTTER SW,
CN301, RB303
CHECK
CHECK IC301
NO PICTURE
CLK (98 MHz)
INPUT TO
IC102-283 (CLK IN 1)
NO
CLK (49 MHz)
INPUT TO
IC101-132 (CLK IN 1)
OK
CHECK SOLDERING OF
EACH CPU AND
MEMORY PIN
MAIN CLOCK FOR SYSTEM OPERATION
YES
NO OPERATION IF ABSENT
CHECK X1101 OSCILLATOR AND IC111
NG
BASIC CPU BLOCK
CHECK IC102-272
D-2 Ver. 1
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