Read Harman Kardon HK 970 (serv.man12) Technical Bulletin online
harman/kardon
Service Bulletin
HK970/230
Okt 05
Service bulletin # HK2005-001
To:
All harman/kardon Service Centers
Models:
HK970/230
Subject:
Speaker 1 is switched off after St-by.
The front processor may in some cases loss speaker1 memory to avoid this do following.
Action: Exchange MCU front processor
Parts needed: 4148-701093-400, I.C HT48R70A-1 48 PIN SSOP HOLTEK SOFTWARE-D
Location No:
U301 MCU FRONT BOARD
Model#
Serial number of change
Status
Action
HK970/230
YC0016-01001
U301 may fail
See above bulletin
HK970/230
YC0016-04955
modified in production
None required
HK970BK/230
YC0017-01001
modified in production
None required
Display