CONTENTS
1.0 IMPORTANT NOTICE & INTRODUCTION & SAFETY NOTICE.........................................................................1
IMPORTANT NOTICE.................................................................................................................................................................. 1
INTRODUCTION..........................................................................................................................................................................
1
SAFETY PRECAUTIONS............................................................................................................................................................. 1
CHECK OF HIGH VOLTAGE HOLD DOWN CIRCUIT............................................................................................................. 2
PRODUCT SAFETY NOTICE...................................................................................................................................................... 2
TECHNICIAN NOTICE................................................................................................................................................................. 2
2.0 GENERAL MAINTENANCE PROCEDURE................................................................................................................4
3.0 FUNCTION BLOCK DIAGRAM....................................................................................................................................5
4.0 DESCRIPTION OF CIRCUIT.........................................................................................................................................6
1.0TIMING MODE (CTX PRESETTING TIMING).......................................................................................................... 7
6.0 ADJUSTMENT..................................................................................................................................................................9
6.1 CFA1797B ADJUSTMENT............................................................................................................................................9
7.0 TROUBLESHOOTING.................................................................................................................................................. 12
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
7.5 DEFLECTION CIRCUIT TROUBLESHOOTING ROUTINE................................................................................... 21
7.5.1 Horizontal Deflection Circuit.................................................................................................................................21
No Raster......................................................................................................................................................................................
21
H-Asynchronous........................................................................................................................................................................... 22
No Horizontal Scan......................................................................................................................................................................
23
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23
Linearity.......................................................................................................................................................................................
24
Out of phase.................................................................................................................................................................................. 25
Width Abnormal........................................................................................................................................................................... 25
7.5.2 Vertical Deflection Circuit..................................................................................................................................... 26
No vertical scan............................................................................................................................................................................
26
Picture distortion..........................................................................................................................................................................
27
V-Asynchronous........................................................................................................................................................................... 28
Vertical position & Size................................................................................................................................................................ 28
7.5.3 Other.......................................................................................................................................................................29
Poor focus..................................................................................................................................................................................... 29
8.0 IC CONFIGURATION................................................................................................................................................... 33
9.0 PARTS LIST.................................................................................................................................................................... 35
10.0 LAYOUT FOR MAIN COMPONENTS AND ADJUSTED..................................................................................... 43
11.0 CIRCUIT DIAGRAM................................................................................................................................................... 43
12.0 EXPLODED VIEW....................................................................................................................................................... 43
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Summary of Contents for EX-710F
Page 1: ...EX 710F SERVICE MANUAL The Monitor Specialists EDITION 1 JAN 2001 CTX ...
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