File name NEO TV-2115TX Ch.EX-1A1 SM.pdfFILE NO. SM-CTV-O-160
COLOR TELEVISION
SERVICE MANUAL
MODEL NO. TV-2115TX
CHASSIS NO. EX-1A1
Please read this manual carefully before service
TABLE OF CONTENTS
SPECIFICATIONS··················································································································1
SAFETY INSTRUCTIONS AND MAINTENANCE ········································2
X-RAY RADIATION PRECAUTION ···································································································2
SAFETY PRECAUTION ····················································································································2
PRODUCT SAFETY NOTICE············································································································3
SAFETY SYMBOL DESCRIPTION ···································································································3
MAINTENANCE·································································································································4
ADJUSTMENTS ······················································································································5
SET-UP ADJUSTMENTS···················································································································5
CIRCUIT ADJUSTMENTS ·················································································································8
STRUCTURE AND CHASSIS FUNCTION DESCRIPTION ··············· 14
STRUCTURE BLOCK DIAGRAM··································································································· 14
BLOCK DIAGRAM FOR SUPPLY VOLTAGE SYSTEM ································································· 15
CHASSIS DESCRIPTION··············································································································· 16
SERVICE DATA ···················································································································· 17
TECHNICAL DATA OF KEY ICS····································································································· 17
WAVEFORMS OF KEY POINTS ···································································································· 35
SERVICE DATA OF KEY ICS ········································································································· 37
REPLACEMENT OF PARTS ·········································································································· 41
APPENDIX
1. CIRCUIT DIAGRAM
2. PRINTED CIRCUIT BOARD DIAGRAMS
3. FINAL WIRING DIAGRAM
4. FINAL ASSEMBLY DIAGRAM
SERVICE MANUAL
SPECIFICATIONS
Model Number TV-2115TX
Color system PAL4.43, SECAM, NTSC3.58, NTSC4.43
RF system
Sound |