17” CDT Color Monitor 107E7
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 10532
Table Of Contents...................................................1
Revision List.......................................................2
Important Safet y Notice................. .............. ..3
1 . S p e c i f i c a t io n s . . . . .. . .. .. . . . . . .. . . . . . . .. . . . . .. .. . .. . .. . . 4
2. Precaution and notices................................7
2-1Safety precautions....…...............…..............7
2-2 Product safety notice ..........................................7
2 - 3 S e r vi c e No t i c e s . . . . . . . .. . . .. .. . .. .. … … … … . . . . . . 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 ………………………………………..17
5.Circuit description ..………………………............22
5-1.Micro controller and deflection circuit .....…………...22
5-2.Transistor & diode circuit...............................24
6.Mechanical Instructions......................…………….......25
7. Trouble shooting chart...........................…………............28
7-1.Noraster......……………………………………........….....28
7-2. Abnormal displays................…………………….….......30
7-3 No blanking................................................31
7-4 Hor./OSC/DEF/HV circuit fault................................31
7-5. Abnormal horizontal deflection...................................32
7-6. Abnormal vertical scanning............…........................33
7 - 7 . S i d e - p i n c u s h i o n d i s t o r t i o n . . . . . . . . . . . . . . . . . . 3 3
7-8. Poor focus................................................33
7-9. Power supply trouble shooting chart.................34
8. Mechanical of cabinet front dis-assembly..........35
9. Spare parts list..........................................36
10. Different parts list..........................................47
11 Block diagram............................................49
12 IC block diagrams.............................................50
1 3 P C B l a y o u t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
13-1 Main PCB layout..........................................54
13-2. CRPC board layout.........................................55
14. Schematic diagram.........................................56
15 General Product Specification……………………60
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
GB
Содержание 107E7
Страница 12: ...17 CDT Color Monitor 107E7 12 ...
Страница 20: ...17 CDT Color Monitor 107E7 20 Fig 5 Fig 6 Step 4 Enter go into the next screen as shown Fig 7 Fig 7 ...
Страница 21: ...17 CDT Color Monitor 107E7 21 Step 5 Enter into Fig 8 Fig 8 Step 6 Enter into Fig 9 Fig 9 ...
Страница 35: ...17 CDT Color Monitor 107E7 35 8 Mechanical of cabinet front dis assembly ...
Страница 54: ...17 CDT Color Monitor 107E7 54 13 PCB Layout 13 1 Main PCB layout ...
Страница 55: ...17 CDT Color Monitor 107E7 55 13 2 CRPC Board layout ...