File name DT Q27U1SC.pdfS/M No : TCN794NEF0
Service Manual
COLOR TELEVISION
CHASSIS : CN-794N
Model : DTQ-29U1SC
DTQ-29U5SC
DTQ-29U1SC DTQ-29U1SC
Caution
: In this Manual, some parts can be changed for improving. their
performance without notice in the parts list. So, if you need the
latest parts information, please refer to PPL(Parts Price List)in
Service Information Center(http://svc.dwe.co.kr)
http : //svc.dwe.co.kr Apr. 2003
TABLE OF CONTENTS
SAFETY PRECAUTIONS 2
SPECIFICATIONS 5
CIRCUIT BLOCK DIAGRAM 6
ALIGNMENT INSTRUCTIONS 7
YOUR REMOTE CONTROL 7
SERVICE MODE ADJUSTMENT 8
ASSEMBLY ADJUSTMENT 10
SCHEMATIC DIAGRAM 13
ELECTRICAL PARTS LIST 17
DIFFERENT PARTS LIST 36
EXPLODE VIEW 37
PRINTED CIRCUIT BOARD 39
APPENDIX(Appendix is provide only by internet[http://svc.dwe.co.kr])
IC DESCRIPTION 49
WAVEFORMS 55
TROUBLE SHOOTING GUIDE 58
NO POWER 58
NO PICTURE 59
NO SOUND 60
CH DON'T STOP 61
NO COLOR 62
NO VERTICAL DEFLECTION 62
NO ON-SCREEN DISPLAY 63
NO REMOCON RECEIPT 63
-1-
SAFETY PRECAUTIONS
CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY. SUBJECT : X-RADIATION
NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC-
TURER'S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY VOID 1. BE SURE PROCEDURES AND INSTRUCTIONS TO ALL SERVICE PERSON-
THE WARRANTY, BUT MAY LEAD TO YOUR BEING LIABLE FOR ANT RESULT- NEL COVER THE SUBJECT OF X-RADIATION. THE ONLY POTENTIAL
ING PROPERTY DAMAGE OR USER INJURY. SOURCE OF X-RAYS IN CURRENT T.V. RECEIVERS IS THE PICTURE TUBE.
SERVICE WORK SHOULD BE PERFORMED ONLY AFTER YOU ARE THOR- |