Sharp GX30 Service Manual - Page 64

MP3 cannot be played., Speaker, Hands free kit headset

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GX30 8. MP3 cannot be played. Speaker Is Ringer Volume set to "Silent"? NO CONFIDENTIAL Not defective. YES YES Cancel "Silent". Is sound produced? NO Is output of the video and voice recorder normal? YES Insert an SD card with MP3 files recorded on a normal unit. Do they play? NO Is the SD card recognized? YES Is the signal sent to IC103 pin 60? NO IC103 is defective. Go to the section "Video/Voice Recorder playback is impossible." (see page 2-57) YES NO Are keypad tones and ring tones normal? NO Go to the section "Speaker does not work." (see page 2-55) YES Not defective. Or SD card is defective. NO Go to the section "SD (Memory) card is not recognized." (see page 2-65) YES Parts between IC103 pin 60 and IC105 pins 14 & 13 are defective or soldered improperly. Hands free kit (headset) (The following procedure applies to both monaural and stereo headsets.) Is sound normally produced from Speaker? NO YES Replace the hands free kit. Is sound produced? YES NO Go to "Hands free kit (monaural headset)" in the section "No voice is heard from the earpiece." (see page 2-52) Go to the section regarding Speaker. Hands free kit is defective. 2 - 56

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GX30
2 – 56
CONFIDENTIAL
8. MP3 cannot be played.
Speaker
Not defective.
Is Ringer Volume set to “Silent”?
Cancel “Silent”. Is sound produced?
Go to the section “Video/Voice Recorder playback is impossi-
ble.” (see page 2-57)
Is output of the video and voice recorder normal?
Are keypad tones and ring tones normal?
Go to the section “Speaker does not work.” (see page 2-55)
Insert an SD card with MP3 files recorded on a normal unit.
Do they play?
Not defective.
Or SD card is defective.
Is the SD card recognized?
Go to the section “SD (Memory) card is not recognized.” (see
page 2-65)
Is the signal sent to IC103 pin 60?
Parts between IC103 pin 60 and IC105 pins 14 & 13 are
defective or soldered improperly.
IC103 is defective.
Hands free kit (headset)
(The following procedure applies to both monaural and stereo headsets.)
Is sound normally produced from Speaker?
Go to the section regarding Speaker.
Replace the hands free kit. Is sound produced?
Hands free kit is defective.
Go to “Hands free kit (monaural headset)” in the section “No
voice is heard from the earpiece.” (see page 2-52)
YES
YES
NO
NO
NO
YES
YES
NO
YES
NO
NO
YES
YES
NO
NO
YES
YES
NO