Denon AVR-3808CI - Page 30

30
AVR-3808CI / AVR-3808 / AVC-3808
※ Unless specified, 1U-3800-1 A.VIDEO UNIT part.
I
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)
IC420-6pi : 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
1U-3800-2 VIDEO CONNECT UNIT
Check input of video driver.
Input Y : IC703-8pin
Input C : IC703-2pin
NG
1U-3800-2 VIDEO CONNECT UNIT
Check CX093 soldering, or DIGITAL
UNIT flaw.
OK
Check output of video driver.
Output Y : IC703-25pin
Output C : IC703-29pin
NG
Check soldering of IC703.
OK
Check input/output of analog SW.
Input Y : IC415-5pin
Input C : IC415-14pin
Output Y : IC415-3pin
Output C : IC415-13pin
NG
Check analog SW settings.
IC415-10pin : H(+5V)
IC415-9pin : L(0V)
NG
Check IC506 and CW132 soldering, or
DIGITAL UNIT flaw.
OK
OK
Check soldering of IC415.
Check input/output of AMP.
Input Y: IC404-3pin
Input C: IC404-5pin
Output Y : IC404-1pin
Output C : IC404-7pin
NG
Check soldering of IC404.
OK
Check cable between main unit and
monitor or Check monitor.
※ 特に記載がない場合は 1U-3800-1A.VIDEOUNITの部品です。
I
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 Y:IC420-13pin
出力:IC420-3pin
NG
ｱﾅﾛｸﾞ SW の設定確認
IC420-9,10,11pin:Ｌ(0V)
IC420-6pi: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
CW113 のﾊﾝﾀﾞ付け確認
OK
1U-3800-2VIDEOCONNECTUNIT
ﾋﾞﾃﾞｵﾄﾞﾗｲﾊﾞの入力確認
入力 Y:IC703-8pin
入力 C:IC703-2pin
NG
1U-3800-2VIDEOCONNECTUNIT
CX093 のﾊﾝﾀﾞ付け確認
もしくは DIGITALUNIT の不具合
OK
ﾋﾞﾃﾞｵﾄﾞﾗｲﾊﾞの出力確認
出力 Y:IC703-25pin
出力 C:IC703-29pin
NG
IC703 のﾊﾝﾀﾞ付け確認
OK
ｱﾅﾛｸﾞ SW の入出力確認
入力 Y:IC415-5pin
入力 C:IC415-14pin
出力 Y:IC415-3pin
出力 C:IC415-13pin
NG
ｱﾅﾛｸﾞ SW の設定確認
IC415-10pin:H(+5V)
IC415-9pin:Ｌ(0V)
NG
IC506,CW132 のﾊﾝﾀﾞ付け確認
もしくは DIGITALUNIT の不具合
OK
OK
IC415 のﾊﾝﾀﾞ付け確認
AMP の入出力確認
入力 Y:IC404-3pin
入力 C:IC404-5pin
出力 Y:IC404-1pin
出力 C:IC404-7pin
NG
IC404 のﾊﾝﾀﾞ付け確認
OK
本体 -MONITOR間のｹｰﾌﾞﾙ
もしくはMONITOR の確認