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5. TROUBLESHOOTING GUIDE
POWER LOSS INOPERTIVE
PUSH THE POWER
SW
IC301-29
(SCAN IN 0)
PULSE INPUT
CHECK SYA BLOCK
IC302-7
3.6 V
CHECK
POWER CIRCUIT
IC301-15
(VDD)
IC301-6
(RESET)
CHECK IC302
CHECK IC302
IC301-1
(BAT OFF)
CHECK IC303
IC301-7, 8
OSCILLATION
CHECK X3002,
R3001, C3003, C3002
CHECK IC301
PUSH RELEASE
SWITCH
SB LED IS FLASHING
WHEN AUTO
LUMINOUS (RED)
STROBE CHARGE
INOPERATIVE
CHECK STA BLOCK
IC301-29, 28
(SCAN IN 0, 1)
PULSE INPUT
CHECK
SYA BLOCK
CHECK
DMA BLOCK
TAKING INOPERATIVE
NO
NO
LOW
LOW
LOW
NO
YES
YES
HIGH
HIGH
HIGH
YES
NO
YES
YES
NO
