Service Manuals, User Guides, Schematic Diagrams or docs for : HP Monitor HP_L1940T_R2_[SM]
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>> Download HP_L1940T_R2_[SM] documenatation <<Text preview - extract from the document19" LCD Color Monitor HP L1940T
SERVICE MANUAL
19" LCD Monitor
L1940T
THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT
HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY
OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR CHANGES,
ERRORS OR OMISSIONS.
1
19" LCD Color Monitor HP L1940T
Table of Contents
Table of Contents -------------------------------------------------------------------------------------------------------------------------02
Revision List -------------------------------------------------------------------------------------------------------------------------------03
1. Monitor Specification -----------------------------------------------------------------------------------------------------------------04
2. LCD Monitor Description --------------------------------------------------------------------------------------------------------------05
3. Operation Instructions -----------------------------------------------------------------------------------------------------------------06
3.1 General Instructions ---------------------------------------------------------------------------------------------------------------06
3.2 Control Button ---------------------------------------------------------------------------------------------------------------------06
3.3 Adjusting The Picture ----------------------------------------------------------------------------------------------------------------07
4. Input/Output Specification -------------------------------------------------------------------------------------------------------- 09
4.1 Input Signal Connector -----------------------------------------------------------------------------------------------------------09
4.2 Factory Preset Display Modes --------------------------------------------------------------------------------------------------11
4.3 Power Supply Requirements ----------------------------------------------------------------------------------------------------11
5. Panel Specification --------------------------------------------------------------------------------------------------------------------12
5.1 General Feature --------------------------------------------------------------------------------------------------------------------12
5.2 Optical Characteristics ------------------------------------------------------------------------------------------------------------13
6. Monitor Exploded View -----------------------------------------------------------------------------------------------------------------14
7. Block Diagram -----------------------------------------------------------------------------------------------------------------------15
8. Maintainability -----------------------------------------------------------------------------------------------------------------------------17
9. Schematic --------------------------------------------------------------------------------------------------------------------------------24
9.1 Main Board -------------------------------------------------------------------------------------------------------------------------24
9.2 Inverter/Power Board ---------------------------------------------------------------------------------------------------------29
10. PCB Layout -----------------------------------------------------------------------------------------------------------------------------31
10.1 Main Board -------------------------------------------------------------------------------------------------------------------------31
10.2 Inverter/Power Board ------------------------------------------------------------------------------------------------------------32
10.3 Key Board --------------------------------------------------------------------------------------------------------------------------32
11. White-Balance, Luminance Adjustment ------------------------------------------------------------------------------------ 33
12. EDID Content --------------------------------------------------------------------------------------------------------------------------36
13. BOM List --------------------------------------------------------------------------------------------------------------------------------37
14. Different Parts List---------------------------------------------------------------------------------------------------------------------
2
19" LCD Color Monitor HP L1940T
Revision List
Revision Date Revision History TPV Model
A00 Sep.-08-06 Initial release T981KMNDKHHPQP
T981KGNDBHHPQP
T96HNNDBC6HPQP
T981KMNDBHHPQP
T96HNNDKC6HPQP
A01
Nov.-15-06 Add new BOM T96GNNDKC6HFQP
T96GNNDMC6HFQ
T96GNNDMC6HPQP
T96HNNDBC6HFQP
T96HNNDMC6HFQ
3
19" LCD Color Monitor HP L1940T
1. Monitor Specifications
Driving system TFT Color LCD
Panel M190E5-L0A
Active Area 376.32(H) x 301.056(V) (19.0")
Pixel pitch 0.294mm(H) x 0.294mm(V)
LCD Panel
Viewing Angles (TYP) H: 150; V: 130
Response time (typ.) 8 ms
Contrast 700:1
Video Analog /Digital
Sync. Type H/V TTL
Input
H-Frequency 30kHz
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