OLYMPUS C-760 UZ REPAIR PROCEDURE

C-760Ultra 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-760 Ultra Zoom

POWER LOSS INOPERTIVE

CHECK PFC include

IC301-52 (SCAN IN 4)

PULSE INPUT

YES

IC302-7

(BOOST 4.2 V)

HIGH

IC301-4

(VDD)

HIGH

IC301-9

(RESET)

HIGH

IC301-13

(BAT OFF)

HIGH

IC301-7

4MHz OSCILLATION

YES

IC301-10

32.768kHz

OSCILLATION

YES

NO

POWER SW, CN302,

D3006, RB303, RB306

LOW

LOW

LOW

LOW

NO

NO

CHECK IC302

CHECK IC302, R3006

CHECK RB651

CHECK X3001

CHECK X3002,

R3013, C3014, C3015

CHECK ST1

TAKING INOPERATIVE

PUSH SHUTTER

BUTTON

IC301-54, 53
(SCAN IN 2, 3)
PULSE INPUT

YES

IC301-34, 35

(P ON, P(A) ON)

HIGH

CN301-28, 50

HIGH

YES

SERIAL

COMMUNICATION

OK

CHECK CA1

CHECK PFC include

NO

SHUTTER SW, CN301,

D3004, RB302, RB306

LOW

CHECK IC301, PW1

NO

CHECK IC301, PW1

NG

CHECK IC301

CHECK IC301

D-2

Ver. 1