GX20
2 – 61
CONFIDENTIAL
14. Strobe light does not light up.
Execute the AT command (STROBOR1, STROBOG1and
STROBOB1) and then check which color does not light up
among Red, Green and Blue.
Red only
Which color does not light up?
Parts of Relay FPC_A and CN201 defective or soldering
defective or CN201 5 pin connection defective.
Voltage of 4.35 V
±
0.75 V output at TP405?
Voltage of 4.35 V
±
0.75 V output at CN201 5 pin?
Defective connection between Q201 5 pin to TP405.
Voltage of VBAT_AP applied to IC402 4, 46 pin?
Q401, L402, D404 and R404 defective, or defective mounting.
Apparance, mounting and continuity properly given to FS402
(Fuse)?
Defective mounting or blowout of FS402.
3 V output at IC406 4 pin?
IC406 and peripheral circuit defective or defective mounting.
Does the camera normally function?
IC402 defective.
Defective control signal line between IC402 to IC403 defec-
tive.
Or IC402, IC403 defective.
Does it light up with the AT command (STROBOR2)?
Defective connection between CN201 4 pin to IC402 10 pin.
Or IC402 defective.
Voltage of VBAT_AP applied to CN201 2 pin?
Parts of Relay FPC_A and CN201 defective or soldering
defective or CN201 4 pin connection defective.
Parts of Relay FPC_A and CN201 defective or soldering
defective or CN201 2 pin connection defective.
J
Blue, green or three colors
YES
YES
NO
NO
YES
NO
NO
YES
NO
YES
YES
NO
J
YES
NO
YES
NO
Содержание GX20
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