Denon AVR-3808CI - Page 43

43
AVR-3808CI / AVR-3808 / AVC-3808
※ Unless specified, 1U-3800-1 A.VIDEO UNIT part.
T
Input
CVBS
Check ± 5VA and +5VD.
+5VA : CW082-3,4pin
-5VA : CW082-1,2pin
+5VD : CW132-1pin
NG
To troubleshooting 1.1 Power not turn
on.
OK
Check input/output of analog SW.
Input : IC420-13pin
Output : IC420-3pin
NG
Check analog SW settings.
IC420-9,10,11pin : L(0V)
IC420-6pin : L(0V)
NG
Check IC505, IC508 and CW132
soldering, or DIGITAL UNIT flaw.
OK
OK
Check soldering of IC420.
Check input/output of AMP.
Input : IC409-5pin
Output : IC409-7pin
NG
Check soldering of IC409 and
surrounding parts.
OK
Check output to 1U-3799 DIGITAL UNIT.
Output V : CW113-5pin
NG
Check soldering of CW113.
OK
To troubleshooting 3.HDMI/DVI.
※ 特に記載がない場合は 1U-3800-1A.VIDEOUNITの部品です。
T
入力
CVBS
± 5VA，+5VDの確認
+5VA:CW082-3,4pin
-5VA:CW082-1,2pin
+5VD:CW132-1pin
NG
1.1 電源が入らないのﾄﾗﾌﾞﾙｼｭｰﾃｨﾝｸﾞへ
OK
ｱﾅﾛｸﾞ SW の入出力確認
入力:IC420-13pin
出力:IC420-3pin
NG
ｱﾅﾛｸﾞ SW の設定確認
IC420-9,10,11pin:Ｌ(0V)
IC420-6pin:Ｌ(0V)
NG
IC505,IC508,CW132 のﾊﾝﾀﾞ付け確認
もしくは DIGITALUNIT の不具合
OK
OK
IC420 のﾊﾝﾀﾞ付け確認
AMP の入出力確認
入力:IC409-5pin
出力:IC409-7pin
NG
IC409及 び 周辺 部 品の 
ﾊﾝﾀﾞ付け確認
OK
1U-3799DIGITALUNIT への出力確認
出力 V:CW113-5pin
NG
ICW113 のﾊﾝﾀﾞ付け確認
OK
3.HDMI/DVI のﾄﾗﾌﾞﾙｼｭｰﾃｨﾝｸﾞへ