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17” CDT Color Monitor 107S7
1
Service
Service
Service
Horizontal Frequency
30-71 kHz
Table of contents
Description Page Description Page
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
3138 106 10534
Table Of Contents...................................................1
Revision List...........................……………...........................2
Important Safety Notice...................……………….............3
1. Specifications..........………………................................4
2. Precaution and notices..………………............................7
2-1.Safety precautions....…........……......…..............7
2-2 Product safety notice ……….........................................7
2-3. Service Notices........………………..........…………......7
2-4. High voltage warning..........................................…8
3. Operating Instructions.....................…………….........9
4. Adjustment .............................………………….....10
4-1. Adjustment conditions and precautions ...……........10
4-2. Main adjustments.........................…………………....10
4-3.Adjustment methods.….......................................13
4-4. DDC Instructions………….……………………..……..16
5.Circuit description ..………………………............20
5-1.Micro controller and deflection circuit ..........20
5-2.Transistor & diode circuit..............…………................22
6.Mechanical Instructions…………………...….……23
7. Trouble shooting chart..………...................................26
7-1.No raster,CRT relative circuit problems……..................26
7-2. Abnormal displays................…………………….….......28
7-3. No blanking……………...…...........................................29
7-4. Hor./OSC/DEF/HV circuit fault.....….........................29
7-5. Abnormal horizontal deflection...................................30
7-6. Abnormal vertical scanning........……..…......................31
7-7. Side-pin cushion distortion…………………...................31
7-8. Poor focus.……........……............……..........................31
7-9. Power supply trouble shooting chart..……….............32
8. Mechanical of cabinet front Dis-assembly…….……........33
9. Spare parts list.................………………….......................34
10. Different Parts List…………………………………..……..48
11. Block diagram................……………..........................57
12. IC block diagrams.......….………...................................58
13. PCB layout............…………………..............................62
13-1 Main PCB layout...............……………........................62
13-2. CRPC board layout.....…………..................................63
14. Schematic diagram.…………........................................64
15. General Product Specification……………...…..………68
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
GB
Summary of Contents for 107S7
Page 12: ...17 CDT Color Monitor 107S7 12 ...
Page 18: ...17 CDT Color Monitor 107S7 18 Fig 4 Fig 5 Fig 6 ...
Page 33: ...17 CDT Color Monitor 107S7 33 8 Mechanical of cabinet front dis assembly ...
Page 62: ...17 CDT Color Monitor 107S7 62 13 PCB Layout 13 1 Main PCB layout ...
Page 63: ...17 CDT Color Monitor 107S7 63 13 2 CRPC Board layout ...