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LG E2042T-BN [15/20] Trouble in dpm
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3. TROUBLE IN DPM
TROUBLE IN DPM
TROUBLE IN IC103
CHECK PC
PC IS GOING
INTO DPM MODE
NO
CHECK H/V SYNC LINE
NO
YES
YES
1
H-SYNC
2
V-SYNC
Waveforms
1
2
Copyright
Only for training and service purposes
LGE Internal Use Only
2010 LG Electronics. Inc. All right reserved.
CHECK P300 PIN13
(HSYNC) PIN14(VSYNC)
CHECK
IC103 PIN35,36
SYNC PULSE
Содержание
- Caution 1
- Chassis no lm12a 1
- Color monitor service manual 1
- E2042t 1
- E2042t a 1
- Adjustment 14 2
- Block diagram 11 2
- Contents 2
- Description of block diagram 2 2
- Disassembly 9 2
- Exploded view 0 2
- Precautions 4 2
- Replacement parts list 2 2
- Schematic diagram 26 2
- Specifications 2
- Specifications 2 2
- Timing chart 8 2
- Troubleshooting guide 16 2
- Wiring diagram 19 2
- Caution 3
- Leakage current hot check circuit 3
- Precaution 3
- Warning 3
- Servicing precautions 4
- Timing chart 7
- Disassembly set 8
- Place the monitor face down on the cushion or soft cloth 8
- Remove the stand body and atand base from the product 8
- Boost converter of led block converters 19v to 41v and operates back light led strings of module in e2042t case 10
- Description of block diagram 10
- Adjustment 11
- A clear eti to initialize using time c auto color w b balance and automatically sets the gain and offset value press key for over 3 sec d aging select aging mode on off b module to select applied module d nvram init eeprom initialize 24c16 press key for over 3 sec e r g b 9300k allows you to set the r g b 9300k value manually f r g b 6500k allows you to set the r g b 6500k value manually g r g b offset allows you to set the r g b offset value manually analog only h r g b gain allows you to set the r g b gain value manually analog only 12
- Copyright 12
- Figure 1 cable connection 12
- Only for training and service purposes lge internal use only 2010 lg electronics inc all right reserved 12
- Service osd 12
- The svc osd menu contains additional menus that the user osd menu as described below 12
- Turn off the power switch at the right side of the display 12
- Wait for about 5 seconds and press menu power switch for 1 second interval 12
- Check ic103 pin 42 43 13
- Ic102 pin3 5v 13
- No power 13
- Troubleshooting guide 13
- Waveforms 13
- No raster osd is not displayed main 14
- Trouble in dpm 15
- Waveforms 15
- Ead 61426311 16
- Lgd ead61905269 16
- Main board 16
- Wiring diagram 16
- Mfl67122143 20
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