TECH TIPS
Troubleshooting tips and solutions to common service problems
For models: TIP# JBLTT2003-01 Rev1
JSR635
JSR635i
JSR400
DCR600
DCR600II
Subject: Backup Memory on JBL 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
JSR635 C712 Front PCB .047 Farad 5.5v capacitor # 3439247315
JSR635i C714 Front PCB .047 Farad 5.5v capacitor # 3439247315
JSR400 C11 Control (Front) PCB .047 Farad 5.5v capacitor # 1881-000-010
DCR600 C216 Front PCB .047 Farad 5.5v capacitor # 55134360
DCR600II C216 Front PCB .047 Farad 5.5v capacitor # 55134360
* 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.
DCR600
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