Denon AVR-3808CI Service Manual

24
AVR-3808CI / AVR-3808 / AVC-3808
※ Unless specified, 1U-3800-1 A.VIDEO UNIT part.
E
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 : IC421-13pin
Output : IC421-3pin
NG
Check analog SW settings.
IC421-9,10,11pin : L(0V)
IC421-6pin : L(0V)
NG
Check IC505, IC508 and CW132 solder-
ing, or DIGITAL UNIT flaw.
OK
OK
Check soldering of IC421.
Check input/output of AMP.
Input : IC409-3pin
Output : IC409-1pin
NG
Check soldering of IC409C.
OK
Check input/output to OSD driver input
signal selector.
Input : IC512-5pin
Output : IC512-4pin
NG
Check analog SW settings.
IC512-9,10,11pin : L(0V)
NG
Check IC508 and CW132 soldering, or
DIGITAL UNIT flaw.
OK
OK
Check soldering of IC512.
Check input/output of OSD driver.
Input : IC510-15pin
Output : IC510-13pin
NG
Check soldering of IC510 and
surrounding parts.
OK
Check input/output of buffer AMP.
Input : IC406-3pin
Output : IC406-1pin
NG
Check soldering of IC406.
OK
Check input/output of analog SW.
Input : IC416-2pin
Output : IC416-3pin
NG
Check analog SW settings.
IC416-10pin : L(0V)
IC416-9pin : H(+5V)
NG
Check IC508 and CW132 soldering, or
DIGITAL UNIT flaw.
OK
OK
Check soldering of IC416.
Check input/output of AMP.
Input : IC405-3pin
Output : IC405-1pin
NG
Check soldering of IC405.
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。
E
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:IC421-13pin
出力:IC421-3pin
NG
ｱﾅﾛｸﾞ SW の設定確認
IC421-9,10,11pin:Ｌ(0V)
IC421-6pin: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
IC421 のﾊﾝﾀﾞ付け確認
AMP の入出力確認
入力:IC409-3pin
出力:IC409-1pin
NG
IC409 のﾊﾝﾀﾞ付け確認
OK
OSD ﾄﾞﾗｲﾊﾞ入力信号ｾﾚｸﾀの入出力確認
入力:IC512-5pin
出力:IC512-4pin
NG
ｱﾅﾛｸﾞ SW の設定確認
IC512-9,10,11pin:Ｌ(0V)
NG
IC508,CW132 のﾊﾝﾀﾞ付け確認
もしくは DIGITALUNIT の不具合
OK
OK
IC512 のﾊﾝﾀﾞ付け確認
OSD ﾄﾞﾗｲﾊﾞの入出力確認
入力:IC510-15pin
出力:IC510-13pin
NG
IC510 及び周辺部品のﾊﾝﾀﾞ付け確認
OK
ﾊﾞｯﾌｧ AMP の入出力確認
入力:IC406-3pin
出力:IC406-1pin
NG
IC406 のﾊﾝﾀﾞ付け確認
OK
ｱﾅﾛｸﾞ SW の入出力確認
入力:IC416-2pin
出力:IC416-3pin
NG
ｱﾅﾛｸﾞ SW の設定確認
IC416-10pin:Ｌ(0V)
IC416-9pin:H(+5V)
NG
IC508,CW132 のﾊﾝﾀﾞ付け確認
もしくは DIGITALUNIT の不具合
OK
OK
IC416 のﾊﾝﾀﾞ付け確認
AMP の入出力確認
入力:IC405-3pin
出力:IC405-1pin
NG
IC405 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

Denon AVR-3808CI Specifications

General

Brand	Denon
Model	AVR-3808CI
Category	Receiver
Language	English