Sharp GX30 Service Manual - Page 65

Video/Voice Recorder playback is impossible

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CONFIDENTIAL 9. Video/Voice Recorder playback is impossible. GX30 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 Go to the section "Speaker does not work." (see page 2-55) NO IC101 or IC106 is defective. Not defective. YES 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) - Option" in the section "No voice is heard from the earpiece." (see page 2-53) 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 Not defective. Is Ringer Volume set to "Silent"? YES YES Cancel "Silent". Is sound produced? NO NO Go to "Hands free kit (monaural headset)" in the section "No voice is heard from the earpiece." (see page 2-52) 2 - 57

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GX30
2 – 57
CONFIDENTIAL
9. Video/Voice Recorder playback is impossible.
Speaker
Are keypad tones and ring tones normal?
Go to the section “Speaker does not work.” (see page 2-55)
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) - Option” in the section
“No voice is heard from the earpiece.” (see page 2-53)
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.” (see page 2-52)
NO
YES
NO
YES
YES
YES
NO
NO
YES
NO
YES
NO
NO
YES
YES
YES
NO
NO