Sharp TM200 Service Manual page 36

(BACK PAGE)
Is the signal sent to JK101 pin 1?
Is the signal sent to TP163?
Is the signal sent to the positive pole of C110?
Is the signal sent to IC103 pin 64?
Is the voltage 0.1 V or lower on R191 (IC106 pin 100 side)?
Is approx. 1.2 V applied to IC103 pin 64?
IC103 or IC106 is defective.
4. BATTERY DOES NOT CHARGE.
Set a battery of 3.7-3.8V and connect charger.
NO
Is 1.2V applied to C224?
Is 1.2V or 0V applied to TP178?
Is 0V applied between Q108 (FET) 1pin and 2pin ?
Is 0V applied between Q108 (FET) 3pin and 4pin ?
IC116 or IC103 is defective
5. VIBRATOR DOES 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?
CONFIDENTIAL
B
NO
NO
NO
NO
YES
YES
YES
NO
NO
NO
YES
NO
YES
NO
NO
YES
IC105 is defective, or the control signal line to IC106 is defective.
TM200 1ADJUSTMENTS, PERFORMANCE CHECK, AND FIRMWARE UPGRADE
Jack JK101 is defective, or the jack plug is in a poor contact
YES
with hands free kit.
YES
L105 is defective.
YES
C110, C105, and C109 are defective.
YES
R126 is defective.
Jack JK101 is defective, or the jack plug is in a poor contact
NO
with hands free kit. (Monaural mode is set.)
NO
IC103 is defective.
IC103 is defective
NO
YES
TH101 or R148 is defective
YES
IC115 or R281 or R282 or R283 or C229 is defective.
YES
Q101 or R286 is defective.
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?
2 – 32
NO
YES