Sharp TM150 Service Manual page 45

14. PICTURES CANNOT BE TAKEN.
Replace camera relay FPC. Does camera work?
Is 2.5 V applied to TP705?
Is 2.5 V applied to pin 23 of camera unit?
Is 3.0 V applied to TP173?
Is 3.0 V applied to pins 33 & 34 of camera module?
Is 3.0 V applied to TP736?
Is 3.0 V applied to pin 32 of camera module?
Is 3.1 V applied to TP709?
Is 3.1 V applied to pin 35 of camera module?
Is 15 V applied to TP732?
Is 15 V applied to pin 42 of camera module?
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CONFIDENTIAL
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
D
TM150 ADJUSTMENTS, PERFORMANCE CHECK, AND FIRMWARE UPGRADE
DRAFT
YES
Camera relay FPC is defective.
NO
Regulator IC701 or R705 is defective.
CN701 is defective.
NO
Camera relay FPC is broken.
NO
Regulator IC 111 or R239 is defective.
R101 and CN102 are defective.
NO
Camera relay FPC is broken.
NO
Regulator IC708 or R758 is defective.
CN701 is defective.
NO
Camera relay FPC is broken.
IC704 is defective.
NO
Is 3.0 V applied to IC702 pin 1?
Regulator IC702 is defective.
CN701 is defective.
NO
Camera relay FPC is broken.
IC707 or peripheral circuits are defective.
NO
Does the LED of the flash work properly?
IC707 or peripheral circuits are defective. Also IC704 or the
control line is defective.
CN701 is defective.
Camera relay FPC is broken.
NO
Are C741 and C724 good in appearance and mounted properly?
C741 and C724 are defective.
IC707 or peripheral circuits are defective.
NO
Does the LED of the flash work properly?
IC707 or peripheral circuits are defective. Also IC704 or the
control line is defective.
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NO
YES
YES
NO
YES
NO
YES
NO