Lanix LX700R, Service Manual

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17" CDT Color Monitor Lanix LX700R
1
Service
Service
Service
Horizontal Frequency
30~86 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.
Table Of Contents...................................................1
Revision List.......................................................2
Important Safety Notice.................................3
1. Specifications..........................................4
2. Precaution and notices................................6
2-1Safety precautions....…...............…..............6
2-2 Product safety notice ..........................................6
2-3 Service Notices....................…………......7
2-4 High voltage warning............................................7
3. Operating Instructions................…….............8
4. Adjustment ..................…………...............9
4 -1. Adjustment conditions and precautions ...……........9
4-2. Main adjustments.....................…………........9
4-3 Adjustment methods........................................12
5. Circuit description..………………………............16
5-1.Micro controller.....……………………….………...16
5-2.Deflection Circuit…………………………….……….17
5-3.Transistor & diode circuit...............................18
6. Trouble shooting chart......................................19
6-1.No Raster......……………………..….....….....19
6-2. Abnormal displays................………….....…21
6-3 Hor./OSC/DEF/HV circuit fault.......................22
6-4. Abnormal horizontal deflection......................22
6-5. Abnormal vertical scanning............…............23
6-6. Side-pin cushion distortion.......…………......24
6-7. Poor focus................................................24
6-8. Power supply trouble shooting chart.............25
7. Block diagram............................................26
8. IC block diagrams..........................................27
9. PCB layout............................................33
9-1.Main PCB layout........................................33
9-2.CRPC board layout.....................................35
10. Schematic diagram.........................................36
11.Monitor Exploded View……….…………………38
12.BOM list..............…………............................39
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING