Denon AVR-3808CI Service Manual

27
AVR-3808CI / AVR-3808 / AVC-3808
※ Unless specified, 1U-3800-1 A.VIDEO UNIT part.
G
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
soldering, 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 IC409.
OK
Check input/output of analog SW.
Input : IC413-1pin
Output : IC413-15pin
NG
Check analog SW settings.
IC413-9,10,11pin : H(5V)
NG
Check IC505 and CW132 soldering, or
DIGITAL UNIT flaw.
OK
OK
Check soldering of IC413.
Check input/output of AMP.
Input : IC403-5pin
Output : IC403-7pin
NG
Check soldering of IC403.
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。
G
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
ｱﾅﾛｸﾞ SW の入出力確認
入力:IC413-1pin
出力:IC413-15pin
NG
ｱﾅﾛｸﾞ SW の設定確認
IC413-9,10,11pin:H(5V)
NG
IC505,CW132 のﾊﾝﾀﾞ付け確認
もしくは DIGITALUNIT の不具合
OK
OK
IC413 のﾊﾝﾀﾞ付け確認
AMP の入出力確認
入力:IC403-5pin
出力:IC403-7pin
NG
IC403 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