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AOC LM960
SERVICE MANUAL
19" LCD Monitor
EN9600
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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 RE LIABILITY FOR CHANGES,
ERRORS OR OMISSIONS.
MANUFACTURE DATE: Aug-24-2005
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AOC LM960
REVISION DATE MODIFIACTION
A00 Aug-24-2005
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AOC LM960
TABLE OF CONTENTS
Revision List ---------------------------------------------------------------------------------- 02
Table of Contents ---------------------------------------------------------------------------------------- 03
1. Monitor Specifications --------------------------------------------------------------------------------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 08
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4 . I n p u t / O u t p u t Sp e c i f i c a t i o n ------------------------------------------------------------------- 09
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4.1 Input Signal Connector -------------------------------------------------------------------09
4.2 Factory Preset Display Modes ----------------------------------------------------------10
4.3 Power Supply Requirements ------------------------------------------------------------10
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5 . P a n e l Sp e c i f i c a t i o n - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 2
5.1 General Feature ----------------------------------------------------------------------------12
5.2 Optical Characteristics --------------------------------------------------------------------13
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6. Block Diagram -----------------------------------------------------------------------------------13
6.1 Monitor Exploded View ------------------------------------------------------------------13
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6.2 Software Flow C hart -----------------------------------------------------------------------14 15
6.3 Electrical Block Diagram -----------------------------------------------------------------16 17
7. Schematic -----------------------------------------------------------------------------------------18
7.1 Scalar Board ---------------------------------------------------------------------------------18 23
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7.2 Power Board -------------------------------------------------------------------------24 26
8. PCB Layout ---------------------------------------------------------------------------------------27
8.1 Main Board ----------------------------------------------------------------------------------27
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8.2 Power Board --------------------------------------------------------------------------------28
8.3 KEY Board ------------------------------------------------------------------------------ 28
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9 . M a i n ta i n a b i l i t y -----------------------------------------------------------------------------------29
9 . 1 E q u i p m e n t s a n d To o l s R e q u i r e m e n t s -------------------------------------------------29
9.2 Trouble Shooting ---------------------------------------------------------------------------30 35
10. White-Balance, Luminance Adjustment ----------------------------------------------- 36
11. Check List after replacing LCD Main board----------------------------------------------- 37 39
12. EDID Content ---------------------------------------------------------------40
13. BOM List ----------------------------------------------------------------------------------41 54
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AOC LM960
1. MONITOR SPECIFICATIONS
Driving system TFT LCD
Size 48cm(19")
Type HSD190ME12 (HSD)
Pixel pitch 0.294mm(H) x 0.294mm(V)
Viewing angle 140(H) 130(V) (R>10)
LCD Panel
Luminance 250cd/m2
Contrast Ratio 500:1
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Response time 16ms (typ)
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Display colors 16.2 million Colors
R G B Analog 0.7Vp-p
H/V separate TTL level
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H/V composite TTL level
Input signals
Horizontal frequency 30kHz