harman/kardon
Service Bulletin
HD 980/HD 990
May 2012
Harman International
8500 Balboa Blvd., Northridge, CA 91329, USA
Service bulletin #
HK2012-002
To:
All Harman Kardon Service Centers
Models:
HD 980/990
Subject:
Rattle noise
In the event you receive a unit with the complaint “
Periodic mechanical noise from the CD player
”.
Perform the following repair: Add damping pads to prevent rattling.
Rattling noise is related to the spinning disc not being completely balanced or centric
.
Parts: Pads – Part number: EDV3485ORATTLE (5 sets of 4 pads).
Procedure:
Please mount 2x2 damping-pads as shown in the pictures.
Note: There should be no marks in the surface or stickers on the disc, causing imbalance when the disc is spinning.
Even original discs may not be fully centric.
Model
Serial number Status
Action
PN used
HD 980/990
All
Rattle noise
Add damping pads
EDV3485ORATTLE
Summary of Contents for HD 990/230
Page 5: ...harman kardon HD 990 230 Service Manual Page 5 of 46 ...
Page 12: ...ADSP BF532SBSTZ400 LQFP176 harman kardon HD 990 230 Service Manual Page 12 of 46 ...
Page 13: ...VT7208 LQFP 216 harman kardon HD 990 230 Service Manual Page 13 of 46 ...
Page 16: ...BA5888FP HSOP 28 AD1955 SSOP 28 harman kardon HD 990 230 Service Manual Page 16 of 46 ...
Page 17: ...SN74HCT245PWR TSSOP 20 74HCT14D SOIC14 harman kardon HD 990 230 Service Manual Page 17 of 46 ...
Page 19: ...SN74LV74ADR SOIC14 SN65LVDS2DBVR DBV5 harman kardon HD 990 230 Service Manual Page 19 of 46 ...
Page 20: ...CS8416 CZZ TSSOP28 ICS83905AGT TSSOP16 harman kardon HD 990 230 Service Manual Page 20 of 46 ...
Page 21: ...TL072CD SO8 AD8663ARZ SOIC8 harman kardon HD 990 230 Service Manual Page 21 of 46 ...
Page 22: ...OPA2134UA SOIC8 OP275GS SO8 harman kardon HD 990 230 Service Manual Page 22 of 46 ...
Page 23: ...LM393 SOP8 AZ1117 ADJ 3 3V 5V SOT 223 harman kardon HD 990 230 Service Manual Page 23 of 46 ...
Page 24: ...LM9022 SOP8 EM78P156ELM G SOIC18 harman kardon HD 990 230 Service Manual Page 24 of 46 ...
Page 25: ...TPS73033DBVR DVB5 AAT3522 SOT 23 harman kardon HD 990 230 Service Manual Page 25 of 46 ...
Page 26: ...L7805 L7812 TO 220 L7912 TO 220 harman kardon HD 990 230 Service Manual Page 26 of 46 ...
Page 27: ...BA33BCO TO 220 LM317T TO 220 harman kardon HD 990 230 Service Manual Page 27 of 46 ...
Page 28: ...KA5M02659R DIP8 PC817 DIP4 harman kardon HD 990 230 Service Manual Page 28 of 46 ...
Page 29: ...AZ431AZ ATRE1 TO 92 LC75711NE QFP64E harman kardon HD 990 230 Service Manual Page 29 of 46 ...
Page 30: ...harman kardon HD 990 230 Service Manual Page 30 of 46 ...
Page 31: ...harman kardon HD 990 230 Service Manual Page 31 of 46 ...
Page 32: ...harman kardon HD 990 230 Service Manual Page 32 of 46 ...
Page 33: ...harman kardon HD 990 230 Service Manual Page 33 of 46 ...