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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 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)
27
AVR430/630
harman/kardon
Summary of Contents for AVR 430
Page 18: ... Tue Jan 13 17 16 23 2004 0 harman kardon 18 ...
Page 19: ...sch 1 Tue Jan 13 17 17 50 2004 harman kardon 19 ...
Page 28: ...AVR630_block_MP sch 1 Mon Jan 12 14 41 38 2004 28 ...
Page 29: ...29 ...
Page 78: ...8 UPD70F3033BGF DSP PART IC600 AVR430 AVR630 harman kardon 78 ...
Page 83: ...22 TSH95 VIDEO PART IC17 23 MPD4721 VIDEO PART IC50 AVR430 AVR630 harman kardon 83 ...
Page 84: ...24 K4S161622D TC80 DSP PART IC805 AVR430 AVR630 harman kardon 84 ...
Page 86: ...27 2C74763M VIDEO PART IC22 28 FL HCA 18LL03 FRONT PART DP10 AVR430 AVR630 harman kardon 86 ...
Page 87: ...3 PROCESSOR APRT IC6 IC10 AVR430 AVR630 harman kardon 87 ...
Page 90: ...CS49400 DSP PART IC800 AVR430 AVR630 harman kardon 90 ...
Page 99: ...AVR430 AVR630 harman kardon 99 ...
Page 103: ...DSP BOARD TOP VIEW AVR430 AVR630 harman kardon 103 ...
Page 104: ...DSP BOARD BOTTOM VIEW AVR430 AVR630 harman kardon 104 ...
Page 105: ...PROCESSOR BOARD TOP VIEW AVR430 AVR630 harman kardon 105 ...
Page 106: ...PROCESSOR BOARD BOTTOM VIEW AVR430 AVR630 harman kardon 106 ...
Page 107: ...MAIN AMP BOAR D AVR430 AVR630 harman kardon 107 ...
Page 108: ...FRONT BOARD BOTTOM VIEW AVR430 AVR630 harman kardon 108 ...
Page 109: ...FRONT BOARD TOP VIEW AVR430 AVR630 harman kardon 109 ...
Page 110: ...VIDEO BOARD BOTTOM VIEW AVR430 AVR630 harman kardon 110 ...
Page 111: ...VIDEO BOARD TOP VIEW AVR430 AVR630 harman kardon 111 ...
Page 112: ...SUPPLY BOARD AVR430 AVR630 harman kardon 112 ...
Page 113: ...BACK SURROUND BOARD AVR430 AVR630 harman kardon 113 ...
Page 114: ...114 ...
Page 115: ...115 ...
Page 116: ...116 ...
Page 117: ...117 ...
Page 118: ...118 ...
Page 119: ...119 ...
Page 120: ...120 ...
Page 121: ...121 ...
Page 122: ...122 ...
Page 123: ... æ ˆł œ ı æ AVR430 AVR630 harman kardon 123 ...
Page 124: ... æ ˆł ı æ AVR430 AVR630 harman kardon 124 ...
Page 125: ...125 ...