LG 32LX2R Service Manual

LG 32LX2R Manual

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  • LG 32LX2R | Service Manual - Page 1
    website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html LCD TV SERVICE MANUAL CHASSIS : ML-051A MODEL : 32LX2R-TE CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • LG 32LX2R | Service Manual - Page 2
    CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 11 TROUBLE SHOOTING 15 BLOCK DIAGRAM 18 WIRING DIAGRAM 19 EXPLODED VIEW 20 EXPLODED VIEW PARTS LIST 21 REPLACEMENT PARTS LIST 22 SVC. SHEET -2-
  • LG 32LX2R | Service Manual - Page 3
    may be inadvertently introduced during the service operation. If any fuse (or Fusible Resistor) in this TV receiver is blown, replace it touch other ohm-meter lead in turn to each exposed metallic parts such as antenna terminals, phone jacks, etc. If the exposed metallic part has a return path to the
  • LG 32LX2R | Service Manual - Page 4
    lead to the receiver chassis ground before connecting the test receiver positive lead. Always remove the test receiver ground lead last. 8. Use with this receiver only the test fixtures specified in this service manual. CAUTION: Do not connect the test fixture ground strap to any heat sink in this
  • LG 32LX2R | Service Manual - Page 5
    Power Output, Transistor Device Removal/Replacement 1. Heat and remove all solder from around the transistor leads. 2. Remove the heat sink mounting Fuse and Conventional Resistor Removal/Replacement 1. Clip each fuse or resistor lead at top of the circuit board technique to repair the defective
  • LG 32LX2R | Service Manual - Page 6
    specification is applied to ML-051A chassis. 2. Requirement for Test Testing for standard of each part must be followed in below condition. (1) Temperature: 25°C ± 2°C (2) Humidity: 65% ± 10% (3) Power 60 deg 4) Humidity : 10~85 % LCD Module Remark ZE, TE (ME) (ZE/TE) EU/Non-EU (PAL Market) 6),7)
  • LG 32LX2R | Service Manual - Page 7
    Power ON Stand by DPMS Mode Power off 6 LCD Module Specification 32" TFT WXGA LCD H : 31 ~ 61Khz V : 56 ~ 75Hz 1) Contrast/Brightness 2) H-Position / V-Position 3) Tracking : Clock / Phase 4) Auto Configure 5) Reset 1 : Y 3 : Pb 5 : Pr 7 : Line1 Ready Input ZE(SIDE) TE/ME(REAR, SIDE) 480i
  • LG 32LX2R | Service Manual - Page 8
    DVD 480i ZE, TE, ME SDTV, DVD 480i ZE, TE, ME EDTV 480p TE, ME SDTV, DVD 625 Line ZE, TE, ME HDTV 576p TE, ME HDTV 720p TE, ME HDTV 720p TE, ME HDTV 1080i 50Hz (AU Ver.) TE, ME HDTV 1080i 60Hz (ATSC) TE, ME HDTV 1080i 59.94Hz TE, ME 7. PC INPUT Mode Table No Resolution H-freq(kHz
  • LG 32LX2R | Service Manual - Page 9
    Resolution .00 60.00 9. Mechanical specification Scart Arrangement 8 Function Select (AV control) 9 Ground (Green) (XGA) VESA(WXGA) VESA(WXGA) Supported HDCP DVI Digital 1080i HDCP DVI Digital 720p Mid (5 - 8V) - Wide Screen Low (0 - 2V) - TV Mode - 0.7 V 0.7 V High (1 - 3V) - RGB Low
  • LG 32LX2R | Service Manual - Page 10
    Ground (blue) 6 Audio input A (left) 7 - 8 Function Select (AV control) 9 Ground (Green) 10 Comms Data 2 11 - 12 Comms Data 1 13 High (9.5 - 12V) - AV Mode Mid (5 - 8V) - Wide Screen Low (0 - 2V) - TV Mode - - - 1V including sync 1V including sync - Impedance < 1 > 10 < 1 > 10 -
  • LG 32LX2R | Service Manual - Page 11
    ADJUSTMENT INSTRUCTION 1. Application Range This spec. sheet is applied to all of the ML-051A chassis (TORNADO) manufactured at LG TV Plant 2. Specification. 2.1 Because this is not a hot chassis, it is not necessary to use an isolation transformer. However, the use of isolation transformer will
  • LG 32LX2R | Service Manual - Page 12
    Balance 4.1 Adjustment of RF/AV/SAV * Test Equipment - Remote controller for adjustment - MSPG-925F Pattern Generator->Model: 202 / Pattern: 32 4.1.1 Method of Auto RF/AV/S-VIDEO Color Balance. 1) Input the Video Signal: 75% Color Bar signal into AV3 (ZE), AV1(TE), VIDEO1(ME) 2) Set the PSM to
  • LG 32LX2R | Service Manual - Page 13
    No 1 Power 2 Volume Level 3 Main Picture Input 4 Main Last Channel 5 Mute 6 ARC 7 Station 8 Picture Item Auto Program Manual Program Program Brightness Colour Sharpness Off 30 TV Pr 01 Off 16 : 9 Condition None Dynamic 100 45 50 50 Flat Off 0 TV Off Off English(Area Management) Variable by
  • LG 32LX2R | Service Manual - Page 14
    the power is supplied to the TV. (Use the POWER key to deactivate): It should be deactivated when delivered. 3 MUTE 4 P-CHECK To activate the mute function. To check TV screen image easily. Shortcut keys 5 S-CHECK To check TV screen sound easily Shortcut keys 6 ARC To select size of the main
  • LG 32LX2R | Service Manual - Page 15
    TROUBLESHOOTING NO POWER (POWER INDICATOR OFF) CHECK CN804 VOLTAGE (P-ST_5V) Yes CHECK CRYCTAL X800(19.6608MHZ) Yes CHECK IC806 VOLTAGE (5V) Yes CHECK Power on/off (5V) Yes REPLACE POWER BOARD CHECK POWER BOARD No CHECK CRYSTAL X800 No CHECK IC806 No CHECK Q1001 No - 15 -
  • LG 32LX2R | Service Manual - Page 16
    NO VIDEO CHECK LVDS Output P3(PIN 21, PIN 22) Yes Check L2 (12V) Yes CHECK L1022 (24V) Yes REPLACE LCD MODULE CHECK THE PERIPHERAL No IC800 CHECK THE PERIPHERAL No IC1 CHECK R898 No (3.3V) Yes No DOWN LOAD ISP DATA or REPLACE MAIN BOARD - 16 -
  • LG 32LX2R | Service Manual - Page 17
    NO SOUND IS THE SPK CABLE CONNECTED WELL? Yes DOES IC302 OPERATE? Yes DOES IC301 OPERATE? Yes DOES IC300 OPERATE? Yes DOES IC400 OPERATE? Yes REPLACE JACK BOARD INSERT CABLES WELL No CHECK IC302 OR CHANGE No CHECK IC301 OR CHANGE No CHECK X300 OR CHANGE No CHECK X400 OR CHANGE No - 17 -
  • LG 32LX2R | Service Manual - Page 18
    BLOCK DIAGRAM - 18 -
  • LG 32LX2R | Service Manual - Page 19
    10 9 WIRING DIAGRAM 8 11 9 - 19 - 5 12 7 7 6 3 4 1 2 NO. PART NO. 1 6631T20033K 2 6631T20037N 3 6631T20037X 4 6631T20039B NO. PART NO. 5 6631T25023G 6 6631T25024Z 7 6631V10004A 8 6631T11020Z NO. PART NO. 9 6631T20032H 10 6631T25026C 11 6631T25026B 12
  • LG 32LX2R | Service Manual - Page 20
    EXPLODED VIEW 010 020 060 090 080 100 070 030 050 - 20 - 120 110 080 130 140 040 160 150
  • LG 32LX2R | Service Manual - Page 21
    PWB(PCB) ASSEMBLY,POWER, 26LX2R-ZE POWER TOTAL BRAND TORNADO 26-32 080 6400GESF01A SPEAKER,FULLRANGE, C112A02K1450 ESTEC FULL-RANGE(GENERAL) 8OHM 10/15W .DB 110 32LG10 090 3313TL2047C MAIN TOTAL ASSEMBLY, 32LX2R-TE 2TUNER BRAND ML-051A 3313TL2047B MAIN TOTAL ASSEMBLY, 26LX2R-TE BRAND ML-051A
  • LG 32LX2R | Service Manual - Page 22
    TP 0.1UF 50V 10% X7R 2012 R/TP 0.1UF 50V 10% X7R 2012 R/TP 10000PF 50V 10% B(Y5P) 2012 *S *AL LOC. NO. PART NO. DATE: 2005. 09. 06. DESCRIPTION / SPECIFICATION C1124 C1125 C1126 C1127 C1133 C1135 C1137 C1138 C1139 C1143 C1146 C1147 C1149 C1150 C1153 C1154 C1155 C1156 C1159 C1160 C1162 C1163 C1173
  • LG 32LX2R | Service Manual - Page 23
    R/TP 0.1UF 50V 10% X7R 2012 R/TP 0.1UF 50V 10% X7R 2012 R/TP 0.1UF 50V 10% X7R 2012 R/TP *S *AL LOC. NO. PART NO. DATE: 2005. 09. 06. DESCRIPTION / SPECIFICATION C1400 C1401 C1402 C1403 C1404 C1407 C1409 C1410 C1413 C302 C303 C304 C305 C308 C309 C310 C336 C340 C342 C343 C348 C349
  • LG 32LX2R | Service Manual - Page 24
    R/TP 0.1UF 50V 10% X7R 2012 R/TP 0.1UF 50V 10% X7R 2012 R/TP 0.1UF 50V 10% X7R 2012 R/TP *S *AL LOC. NO. PART NO. DATE: 2005. 09. 06. DESCRIPTION / SPECIFICATION C826 C827 C828 C829 C830 C831 C832 C833 C834 C835 C836 C837 C306 C358 C359 C360 C361 C437 C601 C605 C606 C607
  • LG 32LX2R | Service Manual - Page 25
    16V 20% R/TP(SMD) 0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD) *S *AL LOC. NO. PART NO. DATE: 2005. 09. 06. DESCRIPTION / SPECIFICATION C378 C436 C438 C443 C604 C612 C624 C626 C627 C641 C642 C646 C653 C904 C905 C952 C955 C362 C363 20 HB-1T2012-102JT CERATECH 20 HB-4M3216-121JT CERATECH 32 - 25 -
  • LG 32LX2R | Service Manual - Page 26
    32 HB-4M3216-121JT CERATECH 32 HB-4M3216-121JT CERATECH 32 HB-4M3216-121JT CERATECH 32 HB-4M3216-121JT CERATECH 32 HB-4M3216-121JT CERATECH 32 121 CERATECH 2012 *S *AL LOC. NO. PART NO. DATE: 2005. 09. 06. DESCRIPTION / SPECIFICATION L311 L312 L313 L601 L602 6210TCE001S 6210TCE001S 6210TCE001S
  • LG 32LX2R | Service Manual - Page 27
    % 0 OHM 1 / 10 W 2012 5.00% D 100 OHM 1 / 10 W 2012 5.00% 10K OHM 1 / 10 W 2012 5.00% 27K OHM 1 / 10 W 2012 5.00% *S *AL LOC. NO. PART NO. DATE: 2005. 09. 06. DESCRIPTION / SPECIFICATION R307 R308 R309 R310 R311 R336 R337 R344 R345 R369 R370 R375 R460 R461 R463 R464 R6 R620 R621 R622 R624 R626
  • LG 32LX2R | Service Manual - Page 28
    SM BUBANG 19.6608MHZ CONTROL BOARD SW1201 140-313B LG C&D TACT 2LEAD 160G(TA) LG C&D TACT 2LEAD 160G(TA) LG C&D TACT 2LEAD 160G(TA) LG C&D TACT 2LEAD 160G(TA) LG C&D TACT 2LEAD 160G(TA) LG C&D TACT 2LEAD 160G(TA) LG C&D *S *AL LOC. NO. PART NO. DATE: 2005. 09. 06. DESCRIPTION / SPECIFICATION
  • LG 32LX2R | Service Manual - Page 29
    *S *AL LOC. NO. PART NO. DATE: 2005. 09. 06. DESCRIPTION / SPECIFICATION LED804 0DLBE0158AA LED805 0DLBE0158AA LED806 0DLBE0158AA LED807 0DLBE0158AA BRIGHT LED ELECTRONICS BL-H BRIGHT LED ELECTRONICS BL-H BRIGHT LED ELECTRONICS BL-H BRIGHT LED ELECTRONICS BL-H SIDE BOARD C3103 0CH6102K406 C3104
  • LG 32LX2R | Service Manual - Page 30
    OHM 1 / 10 W 2012 5.00% 100 OHM 1 / 10 W 2012 5.00% 22 OHM 1 / 10 W 2012 5.00% 1K OHM 1 / 10 W 2012 5.00% *S *AL LOC. NO. PART NO. DATE: 2005. 09. 06. DESCRIPTION / SPECIFICATION R237 R239 R252 R255 R256 R257 R259 R260 R261 R262 R263 R264 R266 R267 R268 R269 R270 R271 R272 R277 R279 R280
  • LG 32LX2R | Service Manual - Page 31
    20% R/TP(SMD) S C219 0CE226WF6DC 22UF MVK 16V 20% R/TP(SMD) C221 0CE226WF6DC 22UF MVK 16V 20% R/TP(SMD) *S *AL LOC. NO. PART NO. DATE: 2005. 09. 06. DESCRIPTION / SPECIFICATION C229 C230 C232 C233 C236 C245 C246 C247 C248 C249 C252 C253 C302 C303 C312 C319 C323 C325 C327 C328 C329 C331
  • LG 32LX2R | Service Manual - Page 32
    / 10 W 2012 5.00% 12K OHM 1 / 10 W 2012 5.00% *S *AL LOC. NO. PART NO. DATE: 2005. 09. 06. DESCRIPTION / SPECIFICATION R656 R657 R658 R659 R660 R663 R666 R669 R672 R673 R674 R675 R679 R680 R681 R682 R683 R684 R685 R690 R691 -K SOD323 UDZ S 5.1B TP ROHM-K SOD323 UDZ S 5.1B TP ROHM-K SOD323 - 32 -
  • LG 32LX2R | Service Manual - Page 33
  • LG 32LX2R | Service Manual - Page 34
  • LG 32LX2R | Service Manual - Page 35
  • LG 32LX2R | Service Manual - Page 36
    P/NO : 38289S0004Y Sep., 2005 Printed in Korea
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LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : ML-051A
MODEL : 32LX2R-TE