Denon AVR-1508 Service Manual page 15

Av surround receiver/amp
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C
Input
CVBS
Check ± 5V.
NG
To troubleshooting 1.1 Power not turn
+5V : CP514-2pin
on.
-5V : CP514-3pin
OK
Check input/output of analog SW.
NG
Input : IC1001-12pin
Output : IC1001-1pin
OK
Check between main unit and monitor.
※ Unless specified, VIDEO UNIT part.
Check analog SW settings.
NG
IC1001-9pin : H
Check soldering of IC1003.
IC1001-8pin : L
OK
Check soldering of IC1001.
C
入力
CVBS
± 5V の確認
+5V : CP514-2pin
-5V : CP514-3pin
OK
アナログ SW の入出力確認
入力 : IC1001-12pin
出力 : IC1001-1pin
OK
本体 - MONITOR 間の確認
※ 特に記載がない場合は VIDEO 基板 の部品です。
15
AVR-1708/1508/688/588/488 AVC-1508
NG
1.1 電源が入らないのトラブルシューティングへ
アナログ SW の設定確認
NG
NG
IC1001-9pin : H
IC1003 のハンダ付け確認
IC1001-8pin : L
OK
IC1001 のハンダ付け確認

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