Denon AVR-789 Service Manual Page 20
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AVR-1909/789, AVC-1909
3. Clearing the protection history
There are two ways to clear the protection history, as described below.
(1) Start up the error (protection display) mode, display the error, then press and hold in the "ENTER" button for 3 seconds.
Press and hold in the "ENTER" button for 3 seconds
The above is displayed and the protection history is cleared.
(2) Initialize.
※ If you want to save a backup, use the method in 3.(1) above.
Warning indication by the STANDBY LED
If the power is turned off when a protection incident has been detected, the STANDBY LED (red) flashes as follows as warning ac-
cording to the conditions in which the protection incident occurred.
(1) ASO/DC PROTECTION : Flashes in cycles of 0.5 seconds (0.25 seconds lit, 0.25 seconds off)
(2) THERMAL PROTECTION : Flashes in cycles of 2 seconds (1 second lit, 1 second off)
Upper P R O T E C T
H
ISTORY
Lower : T H E R M A L
Upper P R O T E C T
H
ISTORY
Lower C L E A R
Upper P R O T E C T
H
ISTORY
Lower : N O P R O T E C T
3. PROTECTION 履歴のクリア方法
PROTECTION 履歴をクリアするには、下記２通りの方法があります。
(1) ERROR(PROTECTION 表示 ) モードを起動して ERROR を表示状態にして、“ENTER”ボタンを３秒間長押しする。
ENTER ボタンを 3 秒間長押しする。
上記が表示され、PROTECTION 履歴がクリアされます。
(2). イニシャライズを行う。
※バックアップを保持したい場合は、3.(1) の方法で行なってください。
STANDBY LED による警告表示
PROTECTION を検出した状態で POWER OFF した場合、PROTECTION の発生状況によって、STANDBY LED( 赤色 ) が下記のように
点滅し、警告表示します。
(1) ASO/DC PROTECTION ：0.5 秒周期の点滅（0.25 秒点灯 /0.25 秒消灯）
(2) THERMAL PROTECTION：2 秒周期の点滅（1 秒点灯 / １秒消灯）
上段
PROTECT
H
ISTORY
下段
:THERMAL
上段
PROTECT
H
ISTORY
下段
CLEAR
上段
PROTECT
H
ISTORY
下段
:NO PROTECT
- SERVICE MANUAL 1
- SAFETY PRECAUTIONS 2
- LEAKAGE CURRENT CHECK 2
- DIMENSION 4
- AVR-789 model 5
- WIRE ARRANGEMENT 6
- DISASSEMBLY 7
- Front side 8
- Top view 8
- 2. HDMI P.W.B.ASSY 10
- 3. SIRIUS P.W.B ASSY 10
- 4. TUNER PACK 11
- 5. CHASSIS BACK SUB ASSY 12
- 6. VIDEO P.W.B ASSY 13
- 7. INPUT / CPU P.W.B ASSY 13
- 8. MAIN P.W.B SUB ASSY 15
- 9. POWER P.W.B SUB ASSY 15
- 10. TRANS 16
- サービス時の注意事項 17
- CAUTION IN SERVICING 17
- マイコン・DSP バージョンのチェック方法 18
- ERROR 確認方法 19
- ADJUSTMENT 21
- TROUBLE SHOOTING 23
- トラブルシューティング 23
- 2. Analog video 24
- 2. アナログビデオ 24
- 3. HDMI/DVI 30
- BLOCK DIAGRAM 32
- VIDEO BLOCK DIAGRAM 33
- LEVEL DIAGRAMS (1/5) 34
- LEVEL DIAGRAMS (2/5) 35
- LEVEL DIAGRAMS (3/5) 36
- LEVEL DIAGRAMS (4/5) 37
- LEVEL DIAGRAMS (5/5) 38
- SEMICONDUCTORS 39
- M3062LFGPGP (IC1405) 42
- FLI2310 (IC1011) 45
- ADSP21367 (IC1024) 51
- R2A15215FP (IC700) 52
- Sil9135 (IC1008) 54
- ADV7401BSTZ (IC1020) 55
- Sil9134 (IC1009) 57
- GLT5640L32 (IC1014) 58
- W9864G2GH (IC1022) 59
- Sil 9185 61
- LC89057W Terminal Function 62
- LC89057W Block Diagram 62
- TOP VIEW 62
- NJW1321 (IC2023) 63
- ADAU1328 (IC1026) 64
- ADV7172KSTZ (IC1019) 65
- XM/DT IC 67
- Rev 3B/4A 67
- Standa rd 70
- LA73053 (IC2016) 71
- EPM3032A-TC44 (IC1029) 72
- BH7868 (IC1080) 72
- 2. FL DISPLAY 75
- PRINTED WIRING BOARDS 77
- MAIN P.W.B. UNIT(2/2) 78
- FRONT P.W.B. UNIT (1/2) 79
- FRONT P.W.B. UNIT (2/2) 80
- INPUT P.W.B. UNIT 81
- POWER P.W.B. UNIT (1/2) 82
- POWER P.W.B. UNIT (2/2) 83
- CPU P.W.B. UNIT 84
- HDMI P.W.B. UNIT 85
- VIDEO P.W.B. UNIT (1/2) 86
- VIDEO P.W.B. UNIT (2/2) 87
- 2CH P.W.B. UNIT 88
- NOTE FOR PARTS LIST 91
- PARTS LIST OF P.W.B. UNIT 92
- FRONT P.W.B. UNIT ASS'Y 99
- AVR-1909/789, AVC-1909 100
- INPUT P.W.B. UNIT ASS'Y 103
- POWER P.W.B. UNIT ASS'Y 106
- CPU P.W.B. UNIT ASS'Y 109
- HDMI P.W.B. UNIT ASS'Y 111
- VIDEO P.W.B. UNIT ASS'Y 119
- 2CH P.W.B. UNIT ASS'Y 123
- REG P.W.B. UNIT ASS'Y 125
- SIRIUS P.W.B. UNIT ASS'Y 126
- EXPLODED VIEW 127
- ---MEMO 128
- PARTS LIST OF EXPLODED VIEW 129
- PACKING VIEW 134
- NOTE FOR SCHEMATIC DIAGRAM 136
- SCHEMATIC DIAGRAMS (1/25) 137
- SCHEMATIC DIAGRAMS (2/25) 138
- SCHEMATIC DIAGRAMS (3/25) 139
- SCHEMATIC DIAGRAMS (4/25) 140
- SCHEMATIC DIAGRAMS (5/25) 141
- SCHEMATIC DIAGRAMS (6/25) 142
- SCHEMATIC DIAGRAMS (7/25) 143
- SCHEMATIC DIAGRAMS (8/25) 144
- SCHEMATIC DIAGRAMS (9/25) 145
- SCHEMATIC DIAGRAMS (10/25) 146
- SCHEMATIC DIAGRAMS (11/25) 147
- SCHEMATIC DIAGRAMS (12/25) 148
- SCHEMATIC DIAGRAMS (13/25) 149
- SCHEMATIC DIAGRAMS (14/25) 150
- SCHEMATIC DIAGRAMS (15/25) 151
- SCHEMATIC DIAGRAMS (16/25) 152
- SCHEMATIC DIAGRAMS (17/25) 153
- SCHEMATIC DIAGRAMS (18/25) 154
- SCHEMATIC DIAGRAMS (19/25) 155
- SCHEMATIC DIAGRAMS (20/25) 156
- SCHEMATIC DIAGRAMS (21/25) 157
- SCHEMATIC DIAGRAMS (22/25) 158
- SCHEMATIC DIAGRAMS (23/25) 159
- SCHEMATIC DIAGRAMS (24/25) 160
- SCHEMATIC DIAGRAMS (25/25) 161
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