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Service Manual - Page 1
Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html
COLOR MONITOR SERVICE MANUAL
CHASSIS NO. : CL-70
MODEL:
L3200A (L3200AC.AL**A)
L3200A (L3200ATC.AL**A)
L3200A (L3200AFC.AL**A)
L3200A (L3200AKC.AL**A)
( ) **Same model for Service
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Service Manual - Page 2
...176;(Typ)
2-2. Contrast Ratio : 400(min), 600(Typ)
3. DIMENSIONS L3200AC/L3200AKC Width Depth Height
: 803 mm (31.61'') : 99.9 mm ... 100~240V, 50/60Hz , 2.8A
5-2. LCD CHARACTERISTICS
Type
: TFT Color LCD Module
Active Display Area : 31.51inches(800...SERVICE OSD 13 TROUBLESHOOTING GUIDE 14 WIRING DIAGRAM 21 EXPLODED VIEW 22 REPLACEMENT PARTS LIST 24 SCHEMATIC DIAGRAM 34
SPECIFICATIONS...
Service Manual - Page 3
...; Do not leave the module in high temperature and in LCD monitor that these critical parts should be exposed to replace with the new backlight (CCFL) or inverter circuit, must disconnect...HANDLING THE LCD MODULE WITH BACKLIGHT UNIT.
• Must mount the module using mounting holes arranged in damage to protect yourself from shock hazard during service operation.
-3- These parts are marked...
Service Manual - Page 4
...: Safety First. General Servicing Precautions 1. Always unplug the receiver AC power cord from a carpeted floor can generate electrical charges sufficient to the unit under test. 2. Removing or reinstalling any component, circuit
board module or any other electrical connection. b. CAUTION: A wrong part substitution or incorrect polarity installation of a replacement ES device, touch the...
Service Manual - Page 5
...parts lead. 3. Clip each lead of the circuit board
hollow stake. 2. Use a grounded-tip, low-wattage soldering iron and
appropriate tip size and shape that will maintain tip
temperature within the range or 500 F to prevent excessive component temperatures.
-5- Thoroughly clean the surfaces to be used to diode body. 2. IC Remove/Replacement... Transistor Removal/Replacement 1. Heat ...
Service Manual - Page 6
At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit ...resist and acrylic coating (if used) from the end of the circuit board. 1. This technique involves the installation of a jumper wire on IC connections).
1. Remove at connections other side. Connect insulated 20-gauge jumper wire...
Service Manual - Page 10
... is composed of D-sub and (2) to LVDS Transmitter. Audio Amplifier This block is amplified according to LCD Module Timing(1366x768,WXGA).
8. The audio signal is composed of CVBS, Y/C and output analyzed signal ...block DC/DC Converter convert the input 12V, 24V to De-interlace block. For shooting heat trouble, we use the DC/DC converting IC.
9. GM 1501 controls this IC through D-sub...
Service Manual - Page 11
... procedure and after warming up for a minimum of 30 minutes.
• Alignment appliances and tools. - Programmable Signal Generator. (eg. DDC Data Write Procedure-Analog 1) Use this procedure only when there is some problem on Digital EDID data. 2) Run alignment program for L3200TC on the IBM compatible PC. 3) Select EEPROM → Digital EDID write...
Service Manual - Page 12
This program is available to "c:\WINNT\system32\drivers" folder b) Run Userport.exe
2. Port Setup a) Copy "UserPort.sys" file to LCD Monitor only.
1. EDID Read & Write 1) Run WinEDID.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" button
e) Click...
Service Manual - Page 13
... change - SEREVICE MENU
Model : L3200T Elapsed Time : NVram Inatial WB Adjust Aging Mode Model Select TV AV Country Option
V1.0 0H OFF
0 OFF L3200 AV USA
MENU Prev
SEREVICE MENU
CNN Resolution AI Hotel Mode SVC Display Video H Positoin Video V Positoin RS232 Select
OFF Auto OFF SET SET 0 0 Nomal
MENU Prev
SERVICE OSD
■ Service Menu - Nvram...
Service Manual - Page 14
...(R634)
3 J601-5V
- 14 - NO POWER
NO POWER (POWER INDICATOR OFF)
1
2
CHECK J601 VOLTAGE
NO
(18V, 12V, 5V)?
3
YES
4
CHECK
NO
J602 VOLTAGE
5
(24V, 33V) ? TROUBLESHOOTING GUIDE
1. YES
CHECK
7
J601
NO
(SUB POWER) ?
YES
CHECK
6
X401
NO
(14.318MHz) ?
Service Manual - Page 23
...GRAY(85964) 20 MODEL DM-SILVER
6866TDV004J ...LCD(LIQUID CRYSTAL DISPLAY), LC320W01-A6K4 LG PHILPS TFT COLOR LEAD FREE
030
3809TKE021C BACK COVER ASSEMBLY, L3200A 3808TKE019 -AV
040
3043TKK213A TILT SWIVEL ASSEMBLY, L3200A 4950TKK983 STAND-Only L3200ATC,L3200AFC
050
6871TST481D PWB(PCB) ASSEMBLY,SUB, L3200TC CONTROL TOTAL BRAND CL-70 (WITHOUT COIL -
EXPLODED VIEW PARTS LIST
Ref. Part...
Service Manual - Page 24
... R/TP 2.2UF MV 50V 20% R/TP(SMD) S
*S *AL LOC. 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. MAIN BOARD CAPACITORS
DATE: 2005. 05. 19. PART NO.
NO. DESCRIPTION / SPECIFICATION
C222 C225 C226 C227 C228 C229 C231 C233 C234 C238...
Service Manual - Page 28
...: 2005. 05. 19. DATE: 2005. 05. 19. PART NO. NO. NO. DESCRIPTION / SPECIFICATION
L512 L513 L514 L22 L23 L401 L402 L403 L404 L405 L406 L407... CERATEC 3216MM HH-1M3216-501 CERATEC 3216MM HH-1M3216-501 CERATEC 3216MM
- 28 - *S *AL LOC.
PART NO. DESCRIPTION / SPECIFICATION
ZD602 ZD701 ZD704 ZD705 ZD706 ZD707 ZD708 ZD709 ZD710 ZD711 ZD712 ZD713 ZD714 ZD715 ZD716 ZD719 ZD720 ZD721 ZD722...
Service Manual - Page 29
...TP TSOP-6 IRF7316 INTERNATIONAL RECTIF FAIRCHILD FDC6326L R/TP SOT- DATE: 2005. 05. 19.
DESCRIPTION / SPECIFICATION
L603 L604 L605 L606 L609 L610 L614 L615 L616 L617 L618 L619 L620 L621 L622 L623 L901 L902...BK KEC CHIP 2SA1504S(ASY) BK KEC CHIP 2SA1504S(ASY) BK KEC -
*S *AL LOC. PART NO. PART NO. NO.
RESISTORs
L708 L709 R1008 R1009 R1010 R1011 R1012 R1013 R1014 R1015 R1016 R1017 R1018 ...
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