LG L1910B Support and Manuals
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Removing Garbage From The Screen Of An Lg L1910b
A few hours ago some small images appeared on the screen. They are anchored to the screen, they do n...
A few hours ago some small images appeared on the screen. They are anchored to the screen, they do n...
(Posted by gabortherman 9 years ago)
Popular LG L1910B Manual Pages
Service Manual - Page 1
L1810B
*To apply the Mstar Chip. Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html
COLOR MONITOR SERVICE MANUAL
CHASSIS NO. : CL-62
MODEL:
L1910B (L1910BM-AF**R)
( ) **Same model for Service
CAUTION
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Service Manual - Page 3
... Relative Humidity : 10%~80%
(Non-condensing)
6-3. CONTENTS
SPECIFICATIONS 2 PRECAUTIONS 4 TIMING CHART 5 OPERATING INSTRUCTIONS 6 WIRING DIAGRAM 8 BLOCK DIAGRAM 9
DESCRIPTION OF BLOCK DIAGRAM 10 ADJUSTMENT 12 TROUBLESHOOTING GUIDE 13 EXPLODED VIEW 18 REPLACEMENT PARTS LIST 20 SCHEMATIC DIAGRAM 24
SPECIFICATIONS
1. LCD CHARACTERISTICS
Type
: TFT Color LCD Module
Size
: 19inch...
Service Manual - Page 4
...M. Data110 T. D. D. Sync.)
Pin 16 17 18 19 20 21 22 23 24
Signal (DVI-D) Hot Plug Detect T. S. D. M. M. D. T. M. M. S. M. M. D. D. D. Data1/3 Shield 12 T. Data313 T. Data3+ 14 +5V Power 15 Ground (return for +5V,
H. Sync. D. M. M. S. D. Clock+ T. S. (Transition Minimized Differential Signaling)
-3- M. S. D. S. S. M. Data45 T. Data4...
Service Manual - Page 5
... modify original design without obtaining written permission from shock hazard during service operation.
-4- WARNING
BE CAREFUL ELECTRIC SHOCK !
• If you will result in damage to the screen.
• Do not scratch or press on the schematic diagram and the replacement parts list. If the wires are pressed cause short and may burn...
Service Manual - Page 7
... the On Screen Display.
100
100 Bring up green when the monitor operates normally. OPERATING INSTRUCTIONS
FRONT VIEW
REAR VIEW
L1810B
D-Sub Signal Connect
DVI Connect
Front Control Panel
Power Connect USB Port
Front Control Panel
LightView
6
4
3
5
12
1. The default setting is in the On Screen
Display. This function optimizes the brightness, contrast or color...
Service Manual - Page 8
... you will give you greater flexibility in setting up your monitor instead of having to connect them while ...monitor is an innovation in a power saving mode, USB compliant devices will appear. You can "hot" plug (attach them while the computer is a simplified representation of rear view. CONTROLS LOCKED/UNLOCKED : MENU and This function allows you to secure the current control settings...
Service Manual - Page 10
KDS184
3.3V
2.5V
12V 5V
AC I nput
LIPS
12V : LP L 5V : other
LCD Module
R,G,B differential
LV DS (Low V oltage D ifferential S ignaling)
USB HUB
D/S D/S U/S
2.5V
MST9131B
including
(ADC/LVDS/SCALER
3.3V
/INPUT SWITCHING /TMDS )
MTV312 Micom
D-SUB
R,G,B, H/ V Sync
Digital Signal
DVI-D BLOCK DIAGRAM
-9-
5V
3.3V
3.3V Diode Reg.
Service Manual - Page 11
... digital, interpolates input to 1280 X 1024 resolution signal and outputs 8-bit R, G, B signal to the digital video signal using a pixel clock. This part consists of the one 3.3V regulator, and two 2.5V drop diodes to 135MHz. This part consists of EEPROM IC which is provided 12V, 5V in Power board. 5V is provided for the...
Service Manual - Page 12
... through a bridge rectifier and a bulk capacitor.
3. This part function is also monitor by this part.
5. Signal collection. Photo-Coupler isolation. ON
SECONDA RY
Operation description_LIPS
1. This part function is for transfer the primary energy to secondary through a power transformer.
4. Output rectifier and filter. This part function is to feed back the dc output...
Service Manual - Page 13
....
- 12 - ADJUSTMENT
Windows EDID V1.0 User Manual
Operating System: MS Windows 98, 2000, XP Port Setup: Windows 98 => Don't need setup
Windows 2000, XP => Need to "c:\WINNT\system32\drivers" folder b) Run Userport.exe
c) Remove all default number d) Add 300-3FF
2) Edit Week of Manufacture, Year of Manufacture, Serial Number a) Input User Info Data b) Click "Update" button c) Click " Write...
Service Manual - Page 14
...(24C08) c) ADC OFFSET : The lowest value of input leves sets to digitally 255. Video Signal Generator
Control Line
IBM
15
Compatible PC
10
5
Not used RS232C
PARALLEL PORT
OFF ON 5V
F
C
PARALLEL
VGS
A
MONITOR
B
V-SYNC ST POWER
Power inlet (required)
220
Power Select Switch (110V/220V) Power LED
E ST Switch
F V-Sync On/Off Switch (Switch must...
Service Manual - Page 15
...
PIN5, PIN6 (5V)?
YES
CHECK U201 PIN 122 PULSE
YES
CHECK U201
NO NO - 14 - TROUBLESHOOTING GUIDE
1. CHECK 3.3V LINE CHECK X-TAL YES
CHECK KEY CONTROL CONNECTOR ROUTINE
CHECK POWER
NO
BOARD, AND FIND
OUT A SHORT POINT
AS OPENING
EACH POWER LINE
NO
CHECK 5VS LINE
(OPEN CHECK)
NO PROBLEM
IS U201 PIN114 (3.3V) VOLTAGE ?
Service Manual - Page 17
... U201
U501 PIN43 IS 64KHz H-SYNC? MST9131B
NO RASTER (OSD IS NOT DISPLAYED)
U201 POWER PIN 8, 114
(3.3V)?
IS PULSE APPEARED AT SIGNAL PINS? YES
TROUBLE IN CABLE OR LCD MODULE
NO CHECK CONNECTION LINE FROM D-SUB TO U501
- 16 - CHECK PIN122, 123
NO
SOLDERING CONDITION
2. PIN44 IS 60Hz V-SYNC? CHECK ...
Service Manual - Page 20
.../CANADA
5
6871TST415A PWB(PCB) ASSEMBLY,SUB, L1910 L1810 CONTROL TOTAL BRAND CONTROL
6
4951TKS126G METAL ASSEMBLY, FRAME L1910B/PM LPL/CMO/FUSITSU(226G)
6871TPT271E PWB(PCB) ASSEMBLY,POWER, 19" M-CHASSIS POWER TOTAL LIEN CHANG " INTEGRATED LIPS" USED 7812 7
6871TPT271V PWB(PCB) ASSEMBLY,POWER, M-CHASSIS 19LPL DOCKING,2PIN,78R12,450V POWER TOTAL LIEN CHANGTCO99 , USA/CANADA
3313TL9025A MAIN...
Service Manual - Page 21
DESCRIPTION / SPECIFICATION
C723 C724 C725 C726 C727 C728 C732 C733 C734 C735 C737 C738 ... SOT-23 80V 300
- 20 - PART NO.
REPLACEMENT PARTS LIST
CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL.
* NOTE : S SAFETY Mark AL ALTERNATIVE PARTS
*S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION
C204 C205 C206 C207 C208 C209 C210...
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