Sanyo VPC-CG9 - Xacti Camcorder - 9.1 MP, Руководство по обслуживанию

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5. TROUBLESHOOTING GUIDE
POWER LOSS INOPERTIVE
PUSH THE POWER
SW FOR A WHILE
IC301-14
KEY_POWER INPUT
CHECK POWER SW
IC301-9, 36, 59
(VDD)
IC301-53
(RESET)
CHECK IC302
CHECK IC302
IC301-49
(BAT OFF)
CHECK IC302
IC301-55
OSCILLATION
CHECK X3002
CHECK IC301
PUSH SHUTTER
BUTTON
IC301-24, 52
KEY INPUT
CHECK UNIT SW
IC501-D5, F6 (PON)
Q5005-2 (PON2)
Q5004-1 (PAON1)
IC503-4(PAON2)
CHECK IC101, IC301,
PWA BLOCK,
CAA BLOCK
SERIAL
COMMUNICATION
CHECK IC301,
CP1 DMA BLOCK
CHECK CP1 DMA
BLOCK
TAKING INOPERATIVE
HIGH
LOW
LOW
LOW
NO
LOW
HIGH
HIGH
HIGH
YES
YES
HIGH
OK
NO
LOW
NG
NO PICTURE
MAIN CLOCK FOR SYSTEM OPERATION
NO OPERATION IF ABSENT
CHECK X1102 OSCILLATOR IC101-AK20 (XOUT)
CHECK
OSCILLATION
IC301-63, 64
(ASIC_SO, ASIC_SI)
CHECK SOLDERING
OF MEMORY
EACH PIN
INCORRECT HANDSHAKING
BETWEEN 8-BIT CPU AND ASIC
CHECK EACH INTERFACE
OK
OK
NG
NG