Service manual

GX30

2 – 63

CONFIDENTIAL

15. Flash light does not work.

(From page 2-62)

CN701 is defective.

Camera relay FPC is broken.

Is -8 V applied to pin 36 of camera unit? Are C740 and C726 good in appearance and mounted prop-

erly?

C740 and C726 are defective.

Is signal properly sent from CAMCK (TP712)? IC704 is defective.

IC106, parts of the control signal line, CN102, and CN702 are

defective.

Click the “Performance check adjustment” button on SPST to

perform LED check. See in which color of RGB the flash does

not work.

* 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

Which color? Replace with a battery of 3.8 - 3.9 V, and connect the charger

to the external connector. Does the flash light?

Blue, green, or all three colors

CN103 pin 29 and IC707 pin 10 are connected improperly, or

IC707 is defective.

Is VBAT voltage applied to C714? Q702, L702, D703, and R704 are mounted improperly, or the

parts are defective.

Is fuse (FS701) in good appearance, mounted properly, and is

there conduction?

FS701 is mounted improperly, or the fuse is blown.

Is 3 V applied to TP728? IC113 and peripheral parts are defective or mounted improp-

erly.

Does the camera work properly? IC707 is defective.

The control line between IC707 and IC704 is defective. Or

IC707 and IC704 are defective.

YES