Table Of Contents - CTX EX-710F Service Manual

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1.0 IMPORTANT NOTICE & INTRODUCTION & SAFETY NOTICE......................................................................... 1
IMPORTANT NOTICE.................................................................................................................................................................. 1
4
INTRODUCTION..........................................................................................................................................................................
SAFETY PRECAUTIONS............................................................................................................................................................. 1
CHECK OF HIGH VOLTAGE HOLD DOWN CIRCUIT............................................................................................................. 2
PRODUCT SAFETY NOTICE......................................................................................................................................................
8
TECHNICIAN NOTICE................................................................................................................................................................. 2
2.0 GENERAL MAINTENANCE PROCEDURE................................................................................................................ 4
3.0 FUNCTION BLOCK DIAGRAM....................................................................................................................................5
4.0 DESCRIPTION OF CIRCUIT......................................................................................................................................... 6
12
1.0TIMING MODE (CTX PRESETTING TIMING).......................................................................................................... 7
6.0 ADJUSTMENT.................................................................................................................................................................. 9
6.1 CFA1797B ADJUSTMENT............................................................................................................................................9
7.0 TROUBLESHOOTING.................................................................................................................................................. 12
16
7.1 MAIN TROUBLESHOOTING ROUTINE.................................................................................................................. 12
7.2 POWER SUPPLY CIRCUIT TROUBLESHOOTING ROUTINE.............................................................................. 13
7.3 MICON CIRCUIT TROUBLESHOOTING ROUTINE...............................................................................................15
7.4 VIDEO CIRCUIT TROUBLESHOOTING ROUTINE............................................................................................... 18
20
7.5 DEFLECTION CIRCUIT TROUBLESHOOTING ROUTINE................................................................................... 21
7.5.1 Horizontal Deflection Circuit.................................................................................................................................21
No Raster......................................................................................................................................................................................
H-Asynchronous...........................................................................................................................................................................
24
No Horizontal Scan......................................................................................................................................................................
......................................................................................................................................................................................................
Linearity.......................................................................................................................................................................................
Out of phase.................................................................................................................................................................................. 25
28
Width Abnormal...........................................................................................................................................................................
7.5.2 Vertical Deflection Circuit..................................................................................................................................... 26
No vertical scan............................................................................................................................................................................
Picture distortion..........................................................................................................................................................................
32
V-Asynchronous...........................................................................................................................................................................
Vertical position & Size................................................................................................................................................................ 28
7.5.3 Other.......................................................................................................................................................................29
Poor focus.....................................................................................................................................................................................
36
8.0 IC CONFIGURATION................................................................................................................................................... 33
9.0 PARTS LIST.................................................................................................................................................................... 35
10.0 LAYOUT FOR MAIN COMPONENTS AND ADJUSTED..................................................................................... 43
11.0 CIRCUIT DIAGRAM................................................................................................................................................... 43
40
12.0 EXPLODED VIEW....................................................................................................................................................... 43
CONTENTS
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