|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
Complete manual included schematics layouts and alignment procedure, clear to read and magnify, extremely pleased with manual and owner manual . com's service
 ;
perfect, i am very satisfait for the réception of the sansui r-5l service manual, thank you very much
 ;
Thank you, this is a rare document. Few others have it, but they charge way more for a download.
Great deal (even if you have to wait a few hours to get it).
 ;
The purchased manual is an high quality scan of the original Philips paper-based Service Manual. I am very satisfied!
 ;
The purchased manual is an scan of the original Panasonic paper-based Service Manual. Unfortunately the contrast is not perfect, but I am satisfied anyway!
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
|
|
 |
> |
|