Sharp 802SH Service Manual page 39

(From page 2-30)
A
Is 3.2 V or more applied to TP3004?
YES
Is the waveform of TP3002 a rectangular
wave?
YES
IC3000 is defective.
10. Camera does not operate.
The camera does not operate. Enter the test
mode.
Replace the camera module to a properly work-
ing one, and activate the camera.
Is the image through the camera lens properly
displayed?
NO
Replace the SD PWB to a properly working
one, and activate the camera.
Is the image through the camera lens properly
displayed?
NO
Replace the the flexible PWB connected to the
SD PWB to a properly working one, and acti-
vate the camera.
Is the image through the camera lens properly
displayed?
NO
Replace the main PWB to a properly working
one, and activate the camera.
Is the image through the camera lens properly
displayed?
CONFIDENTIAL
The thin coaxial cable is broken, or the thin
NO
coaxial cable socket is in poor contact.
R3008A is mounted improperly, or the display
NO
PWB and the main PWB are defective.
The camera module is defective.
YES
The SD PWB is defective.
YES
The SD P.W.B. connect FPC is defective.
YES
The main PWB is defective.
YES
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802SH