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Denon AVR-5308CI - Page 41

Denon AVR-5308CI
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41
AVR-5308CI / AVC-A1HD
Unless specified, 1U-3822 A.VIDEO UNIT part.
E
Input
CVBS/S
Check VA±5SCPU+5V
NG
VA+5:
CX902-8,9pin
To troubleshooting 1.1
Power not turn on.
VA-5:
CX902-4,5pin
SCPU+5V
CX902-1pin
OK
Check signal DET
NG
Check soldering of input selector and
Video AMP, output selector and
surrunding circuitory.
Check output of AMP
NG
V:CW171-7pin:
H(+5V)
Output V:
IC408-1pin
Y:CW171-8pin:
H(+5V)
OK
OK
Input selector: IC414,IC417,IC420
Video AMP: IC436,IC437
Outputselector:
IC429
Check cable between main unit and
monitor or Check monitor.
μCOM UNIT flaw
F
Input
CVBS/S
Check VA±5SCPU+5V
NG
VA+5: CX902-8,9pin
To troubleshooting 1.1
Power not turn on.
VA-5: CX902-4,5pin
SCPU+5V CX902-1pin
OK
Check output of AMP
NG
Check soldering of Input selector and
Video AMP, output selector and
surrunding circuitory.
VCR
Output V: IC401-7pin
Output Y:
IC401-1pin
Output C: IC402-1pin
Input selector: IC414,IC417,IC420
DVR1
Output V:
IC402-7pin
Video AMP: IC436,IC437
Output Y: IC403-1pin
Outputselector:
IC429
Output C: IC403-7pin
DVR2
Output V: IC404-7pin
Output Y: IC404-1pin
Output C: IC405-1pin
OK
Check cable between main unit and
monitor or Check monitor.
特に記載がない場合は 1U-3822A.VIDEOUNITの部品です。
DVR2
出力V: IC404-7pin
出力Y: IC404-1pin
出力C: IC405-1pin
出力Y: IC403-1pin
出力C: IC403-7pin
本体-MONITOR間のケーブル
もしくはMONITOR確認
VCR
出力V:
出力Y:
出力C:
IC401-7pin
IC401-1pin
IC402-1pin
DVR1
出力V:
E
入力セレクタ:
OK
IC414,IC417,IC420
ビデオアンプ: IC436,IC437
出力セレクタ:
IC429
OK
IC402-7pin
出力段AMPの出力確認
NG
出力V:
OK
NG
本体-MONITOR間のケーブル
もしくはMONITOR確認
入力 CVBS/S
VA±5,SCPU+5Vの確認
入力 CVBS/S
VA±5,SCPU+5Vの確認
NG
VA+5: CX902-8,9pin
μCOMUNITの不具合
NG
入力セレクタ:
1.1電源異常時の
トラブルシューティングへ
入力セレクタ及び初段ビデオアンプ、
出力セレクタ及びそれらの
周辺回路のハンダ付け確認
H(+5V)V:CW171-7pin:
IC414,IC417,IC420
OK
ビデオアンプ:
CX902-4,5pin
SCPU+5V CX902-1pin
Y:CW171-8pin:
出力段AMPの出力確認 NG
IC408-1pin
VA-5:
シグナルDETの確認
IC436,IC437
出力セレクタ:
IC429
H(+5V)
入力セレクタ及び初段ビデオアンプ、
出力セレクタ及びそれらの
周辺回路のハンダ付け確認
VA+5:
F
CX902-8,9pin
1.1電源異常時の
トラブルシューティングへ
CX902-1pin
OK
VA-5: CX902-4,5pin
SCPU+5V

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