LG T710BH Support and Manuals
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Service Manual - Page 1
CAUTION
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MENU
SELECT Brightview Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html
COLOR MONITOR SERVICE MANUAL
CHASSIS NO. : CA-119
FACTORY MODEL: T710BH
MODEL:
T710B (T710BH-EL)
T710BH (T710BH-HL)
T710SH (T710BH-SL)
*( ) ID LABEL Model No.
Service Manual - Page 2
... INSTRUCTIONS 5 WIRING DIAGRAM 6 DISASSEMBLY 7 BLOCK DIAGRAM 8 DESCRIPTION OF BLOCK DIAGRAM 9
ADJUSTMENT 11 TROUBLESHOOTING GUIDE 13 EXPLODED VIEW 23 REPLACEMENT PARTS LIST 25 PIN CONFIGURATION 30 SCHEMATIC DIAGRAM 34 PRINTED CIRCUIT BOARD 36
SPECIFICATIONS
1. DIMENSIONS (with TILT/SWIVEL)
Net Weight
: 15.4 kg (33.96 lbs.)
Gross Weight : 18.0 kg (39.67 lbs.)
-2- POWER...
Service Manual - Page 3
...
SAFETY-RELATED COMPONENT WARNING! FIRE & SHOCK HAZARD An isolation transformer must be inserted between the
color monitor and AC power line before servicing the chassis. • In servicing, attention must be performed only after you will void the original parts and labor guarantee. Use only same type display tubes.
-3-
Note : It is required to use...
Service Manual - Page 5
...INSTRUCTIONS
FRONT VIEW
REAR VIEW
MENU
SELECT Brightview
ID Label
See Front Control Panel
Power ON/OFF Button AC Power Socket
Signal Connector
MENU Button
Front Control Panel
SELECT Button
Power (DPMS) Indicator
MENU
SELECT
Brightview
Buttons Brightiew Button
Power Button
1. Power... to turn the monitor ON or OFF.
2.
Power Indicator This indicator lights up green when the...
Service Manual - Page 7
... B(Depth) : 0.6~0.9mm C(Height) : 12.0mm
C
Tip AB
(b)
1
3
3
2 2
-7- DISASSEMBLY
1. TILT/SWIVEL & BACK COVER REMOVAL 1) Set the monitor face downward. 2) Carefully remove the Tilt/Swivel by pulling it upward. 3) Pressing the latch (b), Back cover by pushing it upward. 4) Release the latch (c). (See Tip Spec.) 5) Slide the Back Cover away from the Front Cabinet of the...
Service Manual - Page 9
... This circuit is stored in itself. 5) User can adjust screen condition by changing DC level of power input line flowing into the monitor and/or some noise generated in accordance with...IC402).
6. And Brightness circuit is the secondary voltage of H and V sync. 3) The Micom sets operating mode and offers the
controlled data. (H-size, H-position, V-size, ... Horizontal and Vertical ...
Service Manual - Page 11
...Software. -
Install the cable for adjustment such as arrow keys to max position.
1. Set... AUTOMATIC AND MANUAL DEGAUSSING The .... 4) Set Brightness and Contrast to be erased. 4) Power button of...17) Adjust TRAPEZOID as arrow keys to be required. Adjustment for White Balance and Luminance. 1) Set the White Balance Meter. 2) Press the DEGAUSS on the OSD menu for T710BH on the monitor...
Service Manual - Page 12
...keys.
17-2) Display color 15,0 window patten(70x70mm) at mode 4. 18) Adjust SUB-CONTRAST command to 50±2FL . 19) Display color 15,0 full white patten at Mode 4. 20) Set Brightness...; Y(Yes)" command. 24) Exit from the alignment program. 4) Power switch OFF/ON for Focus. 1) Set the Brightness and Contrast to 32±1FL of monitor. 3) Exit from the program.
4. Input EDID Data. 1) Display...
Service Manual - Page 13
...? YES
TROUBLE IN Q903, Q952, Q951, Q942, Q941
NO
TROUBLE IN FUSE
(F901)
NO
TROUBLE IN
D900
NO
TROUBLE IN
Q901
NO
TROUBLE IN
D941, D942,
D951, D961, D971
- 13 -
YES
CHECK C908 VOLTAGE? (AC120V: 160VDC, AC220V: 304VDC)
YES
CHECK Q901 PIN 6 WAVEFORM (SQUARE WAVE COMES OUT?)
YES
CHECK D941, D942, D951,
D961, D971 VOLTAGE?
TROUBLESHOOTING GUIDE
1.
Service Manual - Page 19
...
WAVEFORM? NO OSD
7. H+V 5V
YES
CHECK
NO
IC301 PIN 13, 14, 15 ? Pin 10 Pin 5
5V YES
CHECK
IC301 PIN 12
NO
WAVEFORM ? H+V 5V
YES
TROUBLE IN OSD PERIPHERAL CIRCUIT
TROUBLE IN 5V LINE
TROUBLE IN IC601 PIN1 (V-FBP), T701 40V LINE (H-FBP...
Service Manual - Page 20
TROUBLE IN DPM
OFF MODE FAILURE
(NO OFF MODE.)
CHECK IC401 (MICOM) PIN 30, 31 (H/V INPUT)
SIGNAL?
YES H/V ...0V)
CHECK
B+ LINE
NO
(6.3V,13V+, 105V) ? 8.
CHECK PC, (PC IS NOT GOING INTO DPM OFF MODE)
TROUBLE IN X401
TROUBLE IN IC401 (MICOM)
TROUBLE IN Q941, Q942, Q951, Q952,
YES TROUBLE IN PC
Mode Item NORMAL STAND-BY SUSPEND OFF
DPM TABLE
DPMF H L L L
DPMS H H H L
LED GREEN AMBER...
Service Manual - Page 21
YES
CHECK RL901? YES
TROUBLE IN TH901, DEGAUSSING COIL
NO NO NO NO
TROUBLE IN IC401 (MICOM)
TROUBLE IN Q953
TROUBLE IN P902
TROUBLE IN RL901
- 21 -
9. NO DEGAUSSING
NO DEGAUSSING
(DEGAUSS ON THE OSD MENU MUST BE PRESSED.)
CHECK IC401 PIN 1
(0V)? YES
CHECK Q953 COLLECTOR (15V) VOLTAGE? DC 15V
YES
CHECK P902 ?
Service Manual - Page 24
.../FZMY . EXPLODED VIEW PARTS LIST
Ref. COIL, DEGAUSSING, 75D-437 GET 0.4MM,120T,19 OHM,EB770F,WITH EARTH FBT (FLY BACK TRANSFORMER), 1055A, CB777H LG-PHILIPS 17"/70KHZ FST SOCKET(CIRC), POWER, BAE EUN AC UNIVERSAL 3PIN BLACK-(T710BH-EL), (T710BH-HL) SOCKET(CIRC), POWER, SA-4S HUA JIE AC UNIVERSAL 3PIN BLACK -(T710BH-EL), (T710BH-HL) SOCKET(CIRC...
Service Manual - Page 25
...5 0.0047U 100V J POLY NI TP5 0.1UF 50V Z F TR
*S *AL LOC. DESCRIPTION / SPECIFICATION MKT 100V 104JTR PHS26104 47UF SHL,SD 50V M FM5 TP 5 820P 50V K B TS 0.01U ... - NO. 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. PART NO. CAPACITORS
DATE: 2003...
Service Manual - Page 29
DESCRIPTION / SPECIFICATION 2.40K 1/6W 1% TA52 62K OHM 1/2 W (7.0) 5% TA52 3....053D
TH902 6322TA080BA
VR901 180-035G
X401 6212AA2004A
DATE: 2003. 01. 24. DESCRIPTION / SPECIFICATION AFC-520 BAE EUN TA TIME LAG HBC 5A/250V,215 005 4.70 1/4W(3 5%...LGEC NON 12 20 HO SKHV10911A LGEC NON 12 20 HO "1055A, CB777H LG-PHILIPS 17""" EE2218 2.3 MH D/FOCUS(CB775C EI2218 4.0MH H-DRIVE,EB770G EER3940 230UH V-...
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