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PDF LL-153A Data sheet ( Hoja de datos )
| Número de pieza | LL-153A | |
| Descripción | LCD Color Monitor Service Manual | |
| Fabricantes | Sharp | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LL-153A (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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15” LCD Color Monitor
Service
Service
Service
Sharp LL-153A
Description
TABLE OF CONTENTS
Page Description
Horizontal Frequency
30kHz –80kHz
Page
Table Of Contents.......……..……..........................…........1 6. Schematic……………....................................…17
Revision List.….............……..........................……......2 6.1 Main Board.……...……..........................................17
Important Safety Notice.…………....................……......3 6.2 Inverter Board..………..……..................................22
1. Monitor Specification..............................………........4 6.3 Adapter Board...………..…….................................23
2. LCD Monitor Description…………………………….......5 6.4 Audio Board...………....…….................................24
3. Operation Instruction…………...............……...........6 7. PCB Layout..…….………….......................................25
3.1 General Instructions...........................…...........6 7.1 Main Board…………….........................................25
3.2 Control Button…………….…..............……...............6 7.2 PWPC Board…..………....................................26
3.3 Adjusting the Picture...........................…............7 7.3 Audio Board……….……….....................................27
4. Input/Output Specification............………..……............8 7.4 Key Board……………….....................................28
4.1 Input Signal Connector............………….................8 8. Maintainability……….......................................28
4.2 Factory Preset Display Modes..........................9 8.1 Equipments and Tools Requirement……..............28
4.3NPower Supply……..………………………….………….10 8.2 Trouble Shooting…….………..............................29
4.4 Panel Specification.....………………………................10 9. White-Balance, Luminance adjustment.............34
5. Block Diagram……...................…………................13 10. Monitor Exploded View……….……………............36
5.1 Soft Flow Chart….………………..……..……....….......13 11. BOM List……….....................................................37
5.2 Electrical Block Diagram….……………..…........….….15
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.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
1
1 page  
15” LCD Color Monitor
2. LCD Monitor Description
Sharp LL-153A
The LCD MONITOR will contain a main board, a power board and a keypad board which house the flat panel control
logic, brightness control logic and DDC.
The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips
each voltage.
Monitor Block Diagram
CCFL Drive.
Flat Panel and
CCFL backlight
PWPC board
(Include: adapter, inverter)
AC-IN
100V-240V
main board
Keyboard
RS232 Connector
For white balance
adjustment in factory
mode
HOST Computer
Video signal, DDC
5
5 Page 
15” LCD Color Monitor
4.4.2 Optical Characteristics
Sharp LL-153A
4.4.3 Electrical Characteristics
TFT LCD Module
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LL-153A.PDF ] | |
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