Best Buy NS-LCD42HD-09 Service Manual

42"LCD TV
Service
Service
Service
Description
Table Of Contents......................................................1
Important Safety Notice...................................................2
Revision List.........................................................3
1. General Specification...............................................4
2. Operating Instructions.........................................5
2.1. The Use Of Remote Control.................................5
2.2. To Use The Menu...............................................7
2.3. How To Connect..............................................15
2.4. Front Panel Control Knobs.................................18
3. Input/Output Specification.......................................19
4. Mechanical Instructions.........................................21
5. Repair Flow Chart ..............................................24
6. PCB Layout .....................................................29
6.1.Main Board................................................29
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
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

TABLE OF CONTENTS

SAFETY NOTICE
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
Page Description
6.2.Power Board..............................................32
6.3.Key Board.............................................35
6.4.IR Board................................................35
7. White-Balance, Luminance Adjustment...................36
8. Block Diagram..................................................38
9. Schematic.....................................................39
9.1 Main Board....................................................39
9.2.Power Board..................................................54
9.3.Key Board................................................58
9.4.IR Board......................................................59
10. Exploded View..............................................60
11. BOM List.....................................................61
12. Different Parts List..........................................93
1
Best Buy NS-LCD42HD-09
Horizontal Frequency
31~60 kHz
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