harman/kardon
TECH TIPS
Troubleshooting tips and solutions to common service problems
For models:
AVR7000/7200/7300/8000
AVR100/200/300/500
AVR110/210/310/510
AVR120/220/320/520
AVR125/225/325/525
AVR130/230/330/430/630
AVR135/235/335/435/635
AVR10
DPR1001
DPR1005
DPR2005
HK3370/3470/3375/3475
HK3250
TIP# HKTT2003-01 Rev5
Subject:
Backup Memory on AVR/DPR/HK series receivers
In the event of the complaint: “the receiver is losing its memory (any programmed system settings)
when the unit is turned off, or after the unit is unplugged (briefly*)”:
Check and replace:
Model Designator
Location
Description
Part
number
AVR10
C712
D709
Front PCB
0.047 Farad 5.5v capacitor
and 1N4148 diode
#3439247315
#2058322101
AVR7000
C730
Front PCB
0.047 Farad 5.5v capacitor
# P10790-ND or
# J3432147324X
AVR7200
C106
Front PCB
0.047 Farad 5.5v capacitor
# P10790-ND
AVR7300
C657
DSP PCB
0.047 Farad 5.5v capacitor
# H01-CEZXA0479MN-5
AVR8000
C726
Front PCB
0.047 Farad 5.5v capacitor
# 55230310NR or
# P10790-ND
AVR100/200
C412
Front PCB
0.047 Farad 5.5v capacitor
# CEGT-B473J-0J0
AVR300
C906
Front PCB
0.1Farad 5.5v capacitor
# J4433210421X
or # P10791-ND
AVR500
C906
Front PCB
0.1Farad 5.5v capacitor
# J4433210421X
or # P10791-ND
AVR110/210/310/510
AVR120/220/320/520
C216
Front PCB
0.047 Farad 5.5v capacitor
# P10790-ND
AVR125/225
C734,C885
Front PCB
two 0.1F capacitors in parallel
# BCESOHD104
AVR325/525
C106
Front PCB
0.047 Farad 5.5v capacitor
# P10790-ND
AVR130/230/330
BAT1
Front PCB
3.6v Battery
# HABGP40BVH3A3H
AVR135/235/335
BAT1
Front PCB
3.6v Battery
# HGP15BNH3A3H
AVR430/630
C657
DSP PCB
0.047 Farad 5.5v capacitor
# CEZXA0479MN-5
AVR435/635
C557
DSP PCB
0.047 Farad 5.5v capacitor
# H03-CEZXA0479MN-0
DPR1001
BC601
Main PCB
0.1Farad 5.5v capacitor
# CEGT-B104J-0J0
DPR1005/2005 C437
Processor
PCB
0.047 Farad 5.5v capacitor
# CEZXA0479MN-5
HK3370/3470
C301
Front PCB
0.1Farad 5.5v capacitor
# CEGT-B104J-0J0
HK3375/3475
C301
Front PCB
0.1Farad 5.5v capacitor
# CEGT-B104J-0J0
HK3250
C712
D709
Front PCB
0.047 Farad 5.5v capacitor
and 1N4148 diode
#3439247315
#2058322101
* After approximately two weeks of being disconnected from AC supply, even a normally functioning receiver may
lose any programmed settings and switch to default settings. (Four weeks for the DPR1005 & 2005)
22
AVR330
harman/kardon
Содержание NOCTURNE 330
Страница 23: ...AVR330 EXPLODED VIEW 23...
Страница 24: ...ue Aug 26 21 18 51 2003 AVR330 harman kardon 24...
Страница 26: ...AVR330 harman kardon...
Страница 27: ...AVR330 harman kardon 27...
Страница 28: ...AVR330 harman kardon...
Страница 29: ...AVR330 harman kardon...
Страница 30: ...CAM350 PRO V 7 6 Mon Sep 01 10 29 56 2003 Untitled 30 AVR330 harman kardon...
Страница 31: ...M350 PRO V 7 6 Mon Sep 01 10 59 10 2003 Untitled AVR330 harman kardon 31...
Страница 73: ...AVR330 harman kardon 73...
Страница 74: ...AVR330 harman kardon 74...
Страница 75: ...AVR330 harman kardon 75...
Страница 76: ...LC74763 74763M Pin Assignment Serial Data Input Timing No 5039 4 19 Top view AVR330 harman kardon 76...
Страница 78: ...No 5039 5 19 System Block Diagram LC74763 74763M AVR330 harman kardon 78...
Страница 84: ...AVR330 harman kardon 84...
Страница 86: ...AVR330 harman kardon 86...
Страница 87: ...AVR330 harman kardon 87...
Страница 100: ...AVR330 harman kardon 100...
Страница 111: ...AVR330 harman kardon 111...
Страница 112: ...AVR330 harman kardon 112...
Страница 113: ...MAIN BOARD 1 AMP AVR330 harman kardon 113...
Страница 114: ...MAIN BOARD 1 AMP AVR330 harman kardon 114...
Страница 115: ...MAIN BOARD 1 AMP AVR330 harman kardon 115...
Страница 116: ...VIDEO BOARD AVR330 harman kardon 116...
Страница 117: ...VIDEO BOARD AVR330 harman kardon 117...
Страница 118: ...VIDEO BOARD AVR330 harman kardon 118...
Страница 119: ...FRONT BOARD AVR330 harman kardon 119...
Страница 120: ...FRONT BOARD AVR330 harman kardon 120...
Страница 121: ...FRONT BOARD AVR330 harman kardon 121...
Страница 122: ...MAIN BOARD 2 BIAS REGULATOR AVR330 harman kardon 122...
Страница 123: ...INPUT BOARD 1 ANALOG AVR330 harman kardon 123...
Страница 124: ...INPUT BOARD 1 ANALOG AVR330 harman kardon 124...
Страница 125: ...INPUT BOARD 1 ANALOG AVR330 harman kardon 125...
Страница 126: ...INPUT BOARD 2 DIGITAL AVR330 harman kardon 126...
Страница 127: ...INPUT BOARD 2 DIGITAL AVR330 harman kardon 127...
Страница 128: ...INPUT BOARD 2 DIGITAL AVR330 harman kardon 128...
Страница 129: ...WIRING DIAGRAM AVR330 harman kardon 129...