Tatung VM9K9DA, Service Manual

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TABLE OF CONTENTS
PAGE
1. SPECIFICATIONS ..................................................................................................... 3-4
2. PRECAUTION AND NOTICES ................................................................................ 5
2-1 SAFETY PRECAUTIONS .............................................................................. 5
2-2 PRODUCT SAFETY NOTICE ....................................................................... 5
2-3 SERVICE NOTES ........................................................................................... 5
2-4 HIGH VOLTAGE WARNING ....................................................................... 6
3. OPERATING INSTRUCTIONS ................................................................................ 7
4. ADJUSTMENT .......................................................................................................... 8
4-1 ADJUSTMENT CONDITIONS AND PRECAUTIONS ............................... 8
4-2 MAIN ADJUSTMENTS ................................................................................. 8
4-3 ADJUSTMENT METHOD ............................................................................. 8-11
5. CIRCUIT DESCRIPTION .......................................................................................... 11-14
6. TROUBLE SHOOTING CHART .............................................................................. 15
6-1 NO RASTER, CRT RELATIVE CIRCUIT PROBLEMS .............................. 15
6-2 ABNORMAL DISPLAY ................................................................................. 17
6-3 NO BLANKING ........................................................................................... 18
6-4 HOR. /OSC /DEF /HV CIRCUIT FAULT ...................................................... 18
6-5 ABNORMAL HORIZONTAL DEFLECTION .............................................. 19
6-6 ABNORMAL VERTICAL SCANNING ........................................................ 20
6-7 SIDE-PIN CUSHION DISTORTION ............................................................. 20
6-8 POOR FOCUS ................................................................................................. 21
6-9 NO SOUND (FOR AUDIO MODEL ONLY)..................................…........... 21
6-10 POWER SUPPLY TROUBLE SHOOTING CHART .................................... 22
7. MECHANICAL OF CABINET FRONT DIS-ASSEMBLY...................................... 23
8. PARTS LISTING ....................................................................................................... 24
9. BLOCK DIAGRAM (DEFLECTION) ....................................................................... 45
10. IC BLOCK DIAGRAMS............................................................................................ 46
11. PCB LAYOUT ............................................................................................................ 50
12. SCHEMATIC DIAGRAM ......................................................................................... 52