24
AVR-2808
※
Unless specified, 1U-3839-1 A.VIDEO UNIT part.
D
Input
CVBS
1U-3839-1 A.VIDEO UNIT
Check
±
5VA.
+5VA : CX078-3,4pin
-5VA : CX078-5pin
NG
To troubleshooting 1.1 Power not turn
on.
OK
Check input/output of analog SW.
Input : IC109-13pin
Output : IC109-3pin
NG
Check analog SW settings.
IC109-9,10,11pin : L(0V)
IC109-6pin : L(0V)
NG
Check IC301, IC304 and CX073
soldering, or DIGITAL UNIT flaw.
OK
OK
Check soldering of IC109.
Check input/output of AMP.
Input : IC115-5pin
Output : IC115-7pin
NG
Check soldering of IC115.
OK
Check input/output of AMP.
Input : IC309-3pin
Output : IC309-1pin
NG
Check soldering of IC309 and
surrounding parts.
OK
Check input/output of analog SW.
Input : IC108-14pin
Output : IC108-13pin
NG
Check analog SW settings.
IC108-10pin : L(0V)
IC108-9pin : H(+5V)
NG
Check soldering of IC301 and CX073.
OK
OK
Check soldering of IC108.
Check input/output of AMP.
Input : IC112-5pin
Output : IC112-7pin
NG
Check soldering of IC112.
OK
Check cable between main unit and
monitor or Check monitor.
※ 特に記載がない場合は 1U-3839-1 A.VIDEO UNIT の部品です。
D
入力
CVBS
1U-3839-1 A.VIDEO UNIT
± 5VA の確認
+5VA : CX078-3,4pin
-5VA : CX078-5pin
NG
1.1 電源が入らないのトラブルシューティングへ
OK
アナログ SW の入出力確認
入力 : IC109-13pin
出力 : IC109-3pin
NG
アナログ SW の設定確認
IC109-9,10,11pin : L(0V)
IC109-6pin : L(0V)
NG
IC301,IC304,CX073 のハンダ付け確認
もしくは DIGITAL UNIT の不具合
OK
OK
IC109 のハンダ付け確認
AMP の 入出力確認
入力 : IC115-5pin
出力 : IC115-7pin
NG
IC115 のハンダ付け確認
OK
AMP の 入出力確認
入力 : IC309-3pin
出力 : IC309-1pin
NG
IC309 及び周辺部品のハンダ付け確認
OK
アナログ SW の入出力確認
入力 : IC108-14pin
出力 : IC108-13pin
NG
アナログ SW の設定確認
IC108-10pin : L(0V)
IC108-9pin : H(+5V)
NG
IC301, CX073 のハンダ付け確認
OK
OK
IC108 のハンダ付け確認
AMP の入出力確認
入力 : IC112-5pin
出力 : IC112-7pin
NG
IC112 のハンダ付け確認
OK
本体 -MONITOR 間のケーブル
もしくは MONITOR の確認
Summary of Contents for AVR-2808
Page 3: ...3 AVR 2808 1 2 z 500V M 1 z 2 z...
Page 4: ...4 AVR 2808 DIMENSION AVR 2808 344 434 155 15 5 170 5 20 8 244 5 372 8 26 4 420 54 7...
Page 5: ...5 AVR 2808 MEMO...
Page 52: ...52 AVR 2808 LEVEL DIAGRAMS 1 6...
Page 53: ...53 AVR 2808 LEVEL DIAGRAMS 2 6...
Page 54: ...54 AVR 2808 LEVEL DIAGRAMS 3 6...
Page 55: ...55 AVR 2808 LEVEL DIAGRAMS 4 6...
Page 56: ...56 AVR 2808 LEVEL DIAGRAMS 5 6...
Page 57: ...57 AVR 2808 LEVEL DIAGRAMS 6 6...
Page 58: ...58 AVR 2808 MEMO...
Page 67: ...67 AVR 2808 Sil9135CTU DI IC554 Functional Block Diagram...
Page 68: ...68 AVR 2808 Sil9134CTU DI IC702 Functional Block Diagram...
Page 76: ...76 AVR 2808 ADV7320 DI IC807...
Page 77: ...77 AVR 2808 NJM2581M TE1 AV IC503 504...
Page 78: ...78 AVR 2808 PQ30RV11 MC IC502 TC74VHC244FT DI IC153...
Page 80: ...80 AVR 2808 5 FL DISPLAY FLD HCA 19LM07T FR FL101 PIN CONNECTION GRID ASSIGNMENT...
Page 81: ...81 AVR 2808 ANODE CONNECTION...
Page 82: ...82 AVR 2808 MEMO...
Page 83: ...83 AVR 2808 PRINTED WIRING BOARDS 1U 3838A DIGITAL P W B UNIT 1 2 COMPONENT SIDE...
Page 84: ...84 AVR 2808 1U 3838A DIGITAL P W B UNIT 2 2 FOIL SIDE...
Page 85: ...85 AVR 2808 1U 3839A A AUDIO VIDEO P W B UNIT 1 2 COMPONENT SIDE...
Page 86: ...86 AVR 2808 1U 3839A A AUDIO VIDEO P W B UNIT 2 2 FOIL SIDE...
Page 87: ...87 AVR 2808 1U 3840A FRONT P W B UNIT 1 2 COMPONENT SIDE...
Page 88: ...88 AVR 2808 1U 3840A FRONT P W B UNIT 2 2 FOIL SIDE...
Page 89: ...89 AVR 2808 1U 3841A POWER REG P W B UNIT 1 2 COMPONENT SIDE...
Page 90: ...90 AVR 2808 1U 3841A POWER REG P W B UNIT 2 2 FOIL SIDE...
Page 91: ...91 AVR 2808 1U 3854A POWER AMP P W B UNIT 1 2 COMPONENT SIDE...
Page 92: ...92 AVR 2808 1U 3854A POWER AMP P W B UNIT 2 2 FOIL SIDE...
Page 93: ...93 AVR 2808 1U 3857A MAIN CPU P W B UNIT 1 2 COMPONENT SIDE...
Page 94: ...94 AVR 2808 1U 3857A MAIN CPU P W B UNIT 2 2 FOIL SIDE...
Page 118: ...118 AVR 2808 MEMO...