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