Sharp TM150 Service Manual page 39

5. VIBRATOR DOSE NOT WORK.
Are vibrator terminals in contact with the land?
Are terminals and the land clean?
Is rectangular wave of 3 V sent to between Vibrator terminals
in sync with the vibration pattern?
Is VBAT voltage applied to IC109 pin 5?
Is signal synchronized with the vibration pattern sent to IC109
pin 1?
Is signal synchronized with the vibration pattern sent from
IC105 pin 19?
Is approx. 3 V applied to IC105 pin 7?
6. CLOCK SETTING ARE RESET.
Is 2.5 V or more applied to TP168 with a battery in the hand-
set?
Is 1.5 V or more applied to TP167 without a battery in the
handset ?
X101, R169, R174A, and C176 are defective.
7. SPEAKER DOSE NOT WORK.
* When ring tones sound, but keypad tones do not, "Keypad Tones" is set to Off.
* When Ringer Volume is set to "Silent":
· Voice Recorder playback sound is not produced.
· Playback sound of Video and MP3 can be heard by increasing the volume during playback.
Are speaker terminals in contact with the land?
Is the impedance between speaker terminals approx. 8 ohms?
Is the signal sent to TP701, TP702, or speaker contact pad?
Is the signal sent to CN103 pins 3 and 4?
Is VBAT voltage applied to IC105 pin 15?
Is approx. 3 V applied to IC105 pins 7 and 32?
Is the signal sent to IC105 pin 12?
IC105 or the control line to IC106 is defective.
CONFIDENTIAL
Hereafter check with Vibrator working.
YES
NO
YES
NO
NO
YES
IC105 is defective, or the control signal line to IC106 is defective.
YES
YES
YES
YES
NO
NO
YES
YES
NO
TM150 ADJUSTMENTS, PERFORMANCE CHECK, AND FIRMWARE UPGRADE
DRAFT
Vibrator is deformed and defective. (When vibrator terminals
NO
and the land are dirty, clean or replace them.)
Vibrator is defective.
YES
NO
IC109 is soldered improperly.
IC109 is defective.
YES
IC105 is soldered improperly.
YES
C167 and C168 are defective.
NO
C167 and C168 good in appearance and mounted properly?
The holder is installed improperly.
NO
Is back-up battery holder properly installed to SD/SIM FPC?
• The remaining power of back-up battery is insufficient.
• Back-up battery is defective.
• Back-up battery holder is defective.
• SD/SIM FPC is broken, or CN104 is defective.
• R254 is defective.
NO
IC103 is defective.
NO
Speaker is defective.
NO
Speaker is defective.
YES
Speaker is defective.
The camera relay FPC, CN103, or CN701 is defective. Or the
YES
camera is in a poor contact with CN103 and CN701.
NO
R139 is defective.
NO
R158 is defective.
YES
R145 and R146 are defective, or IC105 is defective.
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NO
YES
NO
YES