Troubleshooting Guide - Sanyo VPC-S3 Service Manual

5. TROUBLESHOOTING GUIDE

POWER LOSS INOPERTIVE
PUSH THE POWER
SW
IC301-15
NO
CHECK SYA BLOCK
(SCAN IN 0)
PULSE INPUT
YES
NO
IC302-7
3.6 V POWER CIRCUIT
YES
LOW
IC301-17, 29
(VDD)
HIGH
LOW
IC301-25
(RESET)
HIGH
LOW
IC301-12
(BAT OFF)
HIGH
NO
IC301-27
OSCILLATION
YES
NO
IC301-24
OSCILLATION
R3009, C3010, C3011
YES
CHECK IC301
CHECK
CHECK IC302
CHECK IC302
CHECK IC303,
D3002, D3003
CHECK X3001
CHECK X3002,
TAKING INOPERATIVE
PUSH RELEASE
SWITCH
SB LED IS FLASHING
WHEN AUTO
LUMINOUS (RED)
CN301-5, 6
(SCAN IN 1, 2)
PULSE INPUT
CHECK
DMA BLOCK
– 18 –
STROBE CHARGE
YES
INOPERATIVE
CHECK STA BLOCK
NO
NO
CHECK
SYA BLOCK
YES