|
|
|
Who's Online
There currently are 5985 guests online. |
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
This is a great site. I placed my order and by the next am it was available for download. Had some problems with some missing copy on some pages. Once I brought the error to the OMC's attention, the issue was resolved. I'll come back again.
 ;
Mi spiace per non poter scrivere in inglese... ma sono veramente soddisfatto del servizio offerto. Grazie..!!
;
The quality of this manual is good. It has all schematics and setup information for both the MDS-B3 and the MDS-B4. The scan quality is quite good, all pages are readable, This service manual also contains scans of the operating instructions from the User manual.
;
Quick site processing. A complete and very useful manual with all details. Thank you!
;
Das Service Manual war von der ersten bis zur letzten Seite sehr informativ und hilfreich. Die Darstellung aller Teile war klar und der Text gut lesbar.
Vielen Dank, das war nicht der letzte Download bei ownner-manuals.com.
CTV990107
Month of Issue: Classification:
CTV991202 TELEVISION TECHNICAL BULLETIN
Month of Issue: December 1999 Classification: White Page 1 of 1
TELEVISION TECHNICAL BULLETIN
PHILIPS CRT Original deflection yoke PWB shown on left
January 1999 White Page 3 of 3
MODELS
66DW18H
76DW18H
76EF19H
76EF20H
CONNE
Orange Yellow Green
Connector 1
SYMPTOM The following problems can occur on the 100Hz PWB.
Red Yellow Red Orange Green
� � �
�
Intermittent digital noise on the picture Intermittent mosaic squares on the picture Mosaic effect if the 100Hz PWB is tapped Red, green or blue screen if the 100Hz PWB is tapped
KC lead
CAUSE
Problems around the field mixer IC, SDA9270. � � IC6108 in the 66DW18H and 76DW18H IC6105 in the 76EF19H and 76EF20H
ACTION
Carry out the following counter measures. 1. Make sure that there are no dry joints on the Mother PWB 2. Resolder IC6108/IC6105 by reflowing the device - it is not necessary to remove IC6108/IC6105 Note that you can operate the 100Hz PWB with the shield cans removed. It is important that these are returned to there original condition when the job is completed.
To change the deflection yoke wiring from a Thomson CRT to a Philips CRT, proceed as follows 1. 2. 3. Unsolder both the green and yellow (FV) and red and orange (FH) leads from the deflection yoke PWB. Solder these leads to the Philips CRT as shown above. Replace wire KC (QCNW-2775BMZZ) that connects from the CRT socket PWB to the neck of the CRT with lead QCNW-2757BMZZ.
Sharp Electronics (UK) Limited
Sharp Electronics (UK) Limited Originator AvW Supervisor Approval Date / / Reference SP84001X Revision 2 White � Carry out as required, Yellow � Carry out as required and whenever the unit comes in for service, Red � Carry out on all units
Reference JR031299-1 Revision 2 White � Carry out as required, Yellow � Carry out as required and whenever the unit comes in for service, Red � Carry out on all units
|
|
|
> |
|
