Sharp TM200 Service Manual - Page 38

Confidential, Mp3 Cannot Be Played., Video/voice Recorder Playback Is Impossible.

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CONFIDENTIAL 8. MP3 CANNOT BE PLAYED. Speaker Is Ringer Volume set to "Silent"? 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. YES NO YES NO YES Not defective. YES Cancel "Silent". Is sound produced? NO Go to the section "Video/Voice Recorder playback is impossible." YES Are keypad tones and ring tones normal? NO Go to the section "Speaker does not work." Not defective. Go to the section "SD (Memory) card is not recognized." 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." Go to the section regarding Speaker. Hands free kit is defective. 9. VIDEO/VOICE RECORDER PLAYBACK IS IMPOSSIBLE. Speaker Are keypad tones and ring tones normal? YES In Playback window, does playback start normally and the capacity bar change? YES Is Ringer Volume set to "Silent"? NO NO NO YES Go to the section "Speaker does not work." IC101 or IC106 is defective. Not defective. YES Cancel "Silent". Is sound produced? NO Is the signal sent to IC103 pin 60? NO IC103 is defective. YES Parts between IC103 pin 60 and IC105 pins 14 & 13 are defective or soldered improperly. Hands free kit (headset) * If R-ch is the only channel of stereo headset that does not send signals, see "Hands free kit (stereo headset)" in the section "No voice is heard from the earpiece." Replace the hands free kit. Is the signal sent? YES Hands free kit is defective. NO In Playback window, does playback start normally and the capacity bar change? NO IC101 or IC106 is defective. YES Is Ringer Volume set to "Silent"? NO YES Not defective. YES Cancel "Silent". Is sound produced? NO Go to "Hands free kit (monaural headset)" in the section "No voice is heard from the earpiece." TM200 1ADJUSTMENTS, PERFORMANCE CHECK, AND FIRMWARE UPGRADE 2 - 34

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TM200
1ADJUSTMENTS, PERFORMANCE CHECK, AND FIRMWARE UPGRADE
2 – 34
CONFIDENTIAL
8. MP3 CANNOT BE PLAYED.
9. VIDEO/VOICE RECORDER PLAYBACK IS IMPOSSIBLE.
Speaker
Not defective.
Is Ringer Volume set to “Silent”?
ancel “S
C
ilent”. Is sound produced?
Go to the section “Video/Voice Recorder playback is impossi-
ble.”
Is output of the video and voice recorder normal?
Are keypad tones and ring tones normal?
Go to the section “Speaker does not work.”
Insert an SD card with MP3 files recorded on a normal unit.
Do they play?
Not defective.
Is the SD card recognized?
Go to the section “SD (Memory) card is not recognized.”
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.”
YES
YES
NO
NO
NO
YES
YES
NO
YES
NO
NO
YES
YES
NO
NO
YES
YES
NO
Speaker
Are keypad tones and ring tones normal?
Go to the section “Speaker does not work.”
In Playback window, does playback start normally and the
capacity bar change?
IC101 or IC106 is defective.
Not defective.
Is Ringer Volume set to "Silent"?
Cancel “Silent”. Is sound produced?
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)
* If R-ch is the only channel of stereo headset that does not send signals, see “Hands free kit (stereo headset)” in the section
“No voice is heard from the earpiece.”
Replace the hands free kit.
Is the signal sent?
Hands free kit is defective.
In Playback window, does playback start normally and the
capacity bar change?
IC101 or IC106 is defective.
Not defective.
Is Ringer Volume set to "Silent"?
Cancel "Silent". Is sound produced?
Go to “Hands free kit (monaural headset)” in the section “No voice is heard from the earpiece.”
NO
YES
NO
YES
YES
YES
NO
NO
YES
NO
YES
NO
NO
YES
YES
YES
NO
NO