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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 Rev3
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
# 55134360 or
# J3432147324X
AVR7200
C106
Front PCB
0.047 Farad 5.5v capacitor
# 55134360
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
# 55134360
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
# 55134360
AVR125/225
C734,C885
Front PCB
two 0.1F capacitors in parallel # BCESOHD104
AVR325/525
C106
Front PCB
0.047 Farad 5.5v capacitor
# 55134360
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)
29
AVR235
harman/kardon
Содержание AVR 235
Страница 30: ...VISED sch 1 Wed Apr 13 11 56 24 2005 AVR235 harman kardon 30 ...
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Страница 87: ...LC74763 74763M Pin Assignment Serial Data Input Timing No 5039 4 19 Top view AVR235 harman kardon 87 ...
Страница 88: ...System Block Diagram LC74763 74763M AVR235 harman kardon 88 ...
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Страница 113: ...CAM350 PRO V 7 6 Mon Sep 01 10 29 56 2003 Untitled AVR235 harman kardon 113 ...
Страница 114: ...CAM350 PRO V 7 6 Mon Sep 01 10 59 10 2003 Untitled AVR235 harman kardon 114 ...
Страница 115: ...AVR235 harman kardon 115 M A I N B O A ...
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Страница 118: ...AVR235 harman kardon 118 M A I N BO A R D 2 B ...
Страница 119: ...VR PART AVR235 harman kardon 119 ...
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Страница 121: ...h 1 Thu Dec 30 10 03 14 2004 AVR235 harman kardon 121 ...