Denon AVR-3808CI - Page 44

44
AVR-3808CI / AVR-3808 / AVC-3808
※ Unless specified, 1U-3800-1 A.VIDEO UNIT part.
U
Input
S
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 Y : IC411-13pin
Input C : IC417-13pin
Output Y : IC411-3pin
Output C : IC417-3pin
NG
Check analog SW settings.
IC411-9,10,11pin : L(0V)
IC411-6pin : L(0V)
IC417-9,10,11pin : L(0V)
IC417-6pin : L(0V)
NG
Check IC505, IC508 and CW132
soldering, or DIGITAL UNIT flaw.
OK
OK
Check soldering of IC411 and IC417.
Check input/output of AMP.
Input Y : IC407-5pin
Input C : IC408-5pin
Output Y : IC407-7pin
Output C : IC408-7pin
NG
Check soldering of IC407,IC408 and
surrounding parts.
OK
Check output to 1U-3799 DIGITAL UNIT.
Output Y : CW113-3pin
Output C : CW113-1pin
NG
Check soldering of ICW113.
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。
U
入力
S
± 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 Y:IC411-13pin
入力 C:IC417-13pin
出力 Y:IC411-3pin
出力 C:IC417-3pin
NG
ｱﾅﾛｸﾞ SW の設定確認
IC411-9,10,11pin:Ｌ(0V)
IC411-6pin:Ｌ(0V)
IC417-9,10,11pin:Ｌ(0V)
IC417-6pin: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
IC411,IC417 のﾊﾝﾀﾞ付け確認
AMP の入出力確認
入力 Y:IC407-5pin
入力 C:IC408-5pin
出力 Y:IC407-7pin
出力 C:IC408-7pin
NG
IC407,IC408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 Y:CW113-3pin
出力 C:CW113-1pin
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