Text preview for : Dv5150H-BULL4.pdf part of Sharp DV5150H SHARP DV5150H_S3B
Back to : SHARP DV5150H_S3B.zip | Home
CTV990502 TELEVISION TECHNICAL BULLETIN
Month of Issue: May 1999 Classification: White Page 1 of 1
MODELS
DV3750H
DV3751H
DV5150H
DV5131H
Common faults on the S3B Chassis
Fault Black lines at bottom of picture Location of R507 Reason Vertical stage tollerance Changes in production Possible Cause Change C510 for a 4.7nF May be on bottom of PWB (negative end of C506 to ground Change NVM location 21 to 5A Refer to Technical Bulletin CTV960904 Remove C874 and fit a 100pF capacitor across R871 Fit a 8.2M resistor from pin 35 (+5V) to pin 39 (osc loop) of IC801 R1035/Q1001
No teletext No teletext/erratic problems Poor teletext response
Data corruption Data corruption Poor filter response
Chroma slow to lock
Poor lock in range
No tuning
Supply problems
Part number for AC retaining clip - LHLDK1501BM00 If you have a fault to add to the above list, please do no hesitate to contact Sharp Technical Support via the Hot Line telephone number.
Sharp Electronics (UK) Limited
Reference AVW280499/2 Revision 1 White Carry out as required, Yellow Carry out as required and whenever the unit comes in for service, Red Carry out on all units