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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
C657
DSP PCB
0.047 Farad 5.5v capacitor
# CEZXA0479MN-5
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.
AVR7300
harman/kardon
50
Summary of Contents for AVR 7300
Page 30: ...AVR7300 harman kardon 30 ...
Page 33: ...ch 1 Wed Apr 07 15 42 03 2004 33 ...
Page 40: ...2 CS49400 DSPAB FIG 1 2 CS49400 Front End Decoder 3 PCM FIG 1 3 AVR7300 harman kardon 40 ...
Page 41: ...4 DOLBY DIGITAL 5 PRO LOGICII SURROUND FIG 1 4 FIG 1 5 AVR7300 harman kardon 41 ...
Page 42: ...6 DTS 7 DTS 96 24 FIG 1 6 FIG 1 7 AVR7300 harman kardon 42 ...
Page 43: ...8 MP3 9 PCM UPSAMPLING FIG 1 8 FIG 1 9 AVR7300 harman kardon 43 ...
Page 70: ...CS42528 DSP PART IC13 CS42528 AVR7300 harman kardon 70 ...
Page 71: ...M74HCU04 DSP PART IC19 IC20 TC9273F PROCESSOR APRT IC6 IC10 AVR7300 harman kardon 71 ...
Page 73: ...CS4391 DSP PART IC26 MM1662H DSP PART IC24 AVR7300 harman kardon 73 ...
Page 74: ...AT49LV8192A DSP PART IC804 uPD70F3033BGF DSP PART IC12 AVR7300 harman kardon 74 ...
Page 75: ...uPD70F3033BGF AVR7300 harman kardon 75 ...
Page 79: ...TC9163AF PROCESSOR IC3 MM1232 VIDEO PART IC604 IC608 AVR7300 harman kardon 79 ...
Page 80: ...FLI2300 PQFP VIDEO ENHANCER IC FAROUDJA PART IC11 AVR7300 harman kardon 80 ...
Page 83: ...K4S161622D TC80 DSP PART IC14 M24C04 DSP PART IC22 AVR7300 harman kardon 83 ...
Page 85: ...HCA 18LL03 FRONT PART DP71 AVR7300 harman kardon 85 ...
Page 87: ...CS5361 DSP PART IC27 IC28 IC29 IC30 CS49400 DSP PART IC11 AVR7300 harman kardon 87 ...
Page 88: ...VPC3230D IC VIDEO DECODER FAROUDJA PART IC10 AVR7300 harman kardon 88 ...
Page 89: ...MM1623 VIDEO DRIVER PAROUDJA PART IC14 MM1623 AVR7300 harman kardon 89 ...
Page 90: ...K4S643232F TC60 TC70 64M SDRAM FAROUDJA PART IC12 AVR7300 harman kardon 90 ...
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Page 154: ... Tue May 04 18 05 34 2004 AVR7300 harman kardon 154 ...
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Page 157: ... 1 Wed Apr 07 15 43 27 2004 157 ...