Flash Light Does Not Work - Sharp TQ-GX30E Service Manual

Is -8 V applied to pin 36 of camera unit?
Is signal properly sent from CAMCK (TP712)?
IC106, parts of the control signal line, CN102, and CN702 are
defective.

15. Flash light does not work.

Click the "Performance check adjustment" button on SPST to
perform LED check. See in which color of RGB the flash does
not work.
Which color?
Is VBAT voltage applied to C714?
Is fuse (FS701) in good appearance, mounted properly, and is
there conduction?
Is 3 V applied to TP728?
Does the camera work properly?
The control line between IC707 and IC704 is defective. Or
IC707 and IC704 are defective.
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(From page 2-62)
D
YES
YES
Blue, green, or all three colors
NO
YES
YES
NO
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CONFIDENTIAL
CN701 is defective.
Camera relay FPC is broken.
Are C740 and C726 good in appearance and mounted prop-
NO
erly?
C740 and C726 are defective.
NO
IC704 is defective.
* For operations and settings for SPST, refer to "ADJUSTMENTS,
PERFORMANCE CHECK, AND FIRMWARE UPGRADE" (see page 2-1).
The control line between IC707 and IC704 is defective. Or
IC707 and IC704 are defective.
Red only
Replace with a battery of 3.8 - 3.9 V, and connect the charger
to the external connector. Does the flash light?
CN103 pin 29 and IC707 pin 10 are connected improperly, or
IC707 is defective.
Q702, L702, D703, and R704 are mounted improperly, or the
YES
parts are defective.
FS701 is mounted improperly, or the fuse is blown.
NO
IC113 and peripheral parts are defective or mounted improp-
NO
erly.
IC707 is defective.
YES
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GX30
YES
NO
YES
NO