LG Flatron E2260S, Flatron E2260T, E2360S, E2360T Service Manual

Copyright © 2010 LG Electronics. Inc. All right reserved. - 1 - LGE Internal Use Only Only for training and service purposes
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COLOR MONITOR
SERVICE MANUAL
MODEL:
E2260S (E2260S-PNW.A**NAP for LGD LM215WF4-TRA1)/
E2260T (E2260T-PNW.A**NAP for LGD LM215WF4-TRA1) **Sales Market
CAUTION
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
*To apply the M-STAR Chip.
Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes
CONTENTS
SPECIFICATIONS ..........................................................2
PRECAUTIONS ..............................................................3
TIMING CHART ..............................................................7
DISASSEMBLY .............................................................8
BLOCK DIAGRAM.........................................................10
DISCRIPTION OF BLOCK DIAGRAM ......................... 12
ADJUSTMENT ............................................................. 13
SERVICE MODE ......................................................... 16
TROUBLESHOOTING GUIDE .................................... 17
WIRING DIAGRAM ...................................................... 23
EXPLODED VIEW........................................................ 24
SCHEMATIC DIAGRAM............................................... 26
SPECIFICATIONS
E2260S&T
1. LCD CHARACTERISTICS
Type: Flat Panel Active matrix-TFT LCD
Active Display Area: 21.5 inches/54.6 cm
Pixel Pitch: 0.248(H) x 0.248 (V) mm
Surface Treatment: Anti-Glare coating
Resolution: Max: VESA 1920x1080@60Hz.
Recommend: VESA 1920x1080@60Hz.
Video Input:
Signal Input: 15 pin D-Sub Connector;
DVI-D Connector (Only for E2260T)
Input Form: RGB Analog (0.7 Vp-p/75 ohm)
Digital (Only for E2260T)
Plug&Play: DDC2AB (Analog)
DDC2B (Digital) (Only for E2260T)
2. POWER SUPPLY
2-1. Power: 12V==3.0A
2-2. Power Consumption
On Mode: 26W (Typ.)
Sleep Mode: 1 W
Off Mode: 0.5 W
3. Sync Input
Horizontal Freq. 30 kHz to 83 kHz (Automatic) Vertical Freq. 56 Hz to 75 Hz (Automatic) Input Form Separate Sync. Digital (Only for E2260T)
4. ENVIRONMENT
4-1. Operating
Temperature: 10°C to 35°C
Humidity: 10 % to 80% non-Condensing
4-2. Storage
Temperature: -20°C to 60 °C
Humidity: 5 % to 90 % non-Condensing
5. DIMENSIONS (with Stand)
Width 50.88 cm (20.03 inch)
Height 39.24 cm (15.45 inch)
Depth 17.20 cm (6.77 inch)
DIMENSIONS (without Stand)
Width 50.88 cm (20.03 inch)
Height 38.74 cm (15.25 inch)
Depth 3.10 cm (1.22 inch)
6. WEIGHT (excl. packing)
Weight: 2.3 kg (5.07 lb)
Copyright © 2010 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes
Copyright © 2010 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes
Copyright © 2010 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes
Copyright © 2010 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes
Copyright © 2010 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes
TIMING CHART
E2260S&T
Display Modes (Resolution) Horizontal Freq. (kHz) Vertical Freq. (Hz)
1 720 x 400 31.468 70
2 640 x 480 31.469 60
3 640 x 480 37.500 75
4 800 x 600 37.879 60
5 800 x 600 46.875 75
6 1024 x 768 48.363 60
7 1024 x 768 60.123 75
8 1152 x 864 67.500 75
9 1280 x 1024 63.981 60
10 1280 x 1024 79.976 75
11 1680 x 1050 65.290 60
*12 1920 x 1080 67.500 60
*Recommend Mode
Copyright © 2010 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes
DISASSEMBLY-Set
#1
Put the monitor on a soft flat.
#2
Remove the base ass’y.
Turn the screw by using the screw handle.
#3
Remove the Rear Cover ass’y.
#4
The Rear Cover ass’y.
#5
Disconnect all the wires/FFC cable.
#6
Remove the main frame.
Copyright © 2010 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes
#7
Main frame and main board.
#8
The panel.
Note: DVI only for E2260T.
Copyright © 2010 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes
BLOCK DIAGRAM
Note: DVI only for E2260T.
Scaler IC
TSUMU1BRWL3-1/
TSUMU5BRWHL3-1
(U401)
D-SUB
(CN101)
Crystal
14.31818MHZ
(
X401
)
CN401 to Key board
RGB, H/V SYN
DDC1_SCL DDC1_SDA
Flash ROM
PM25LD020C-SCE
(
U402
)
CN409 to Panel
Output
Panel Power
sequence
control circuit
Block
(Q301&Q302)
AP2114D-3.3TRG1
(U702)
3.3V
DVI (Optional)
(CN102)
RX (0-2, C) P/N
DDC2_SCL DDC2_SDA
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