LG RZ-32LZ50 Service Manual

LG RZ-32LZ50 Manual

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  • LG RZ-32LZ50 | Service Manual - Page 1
    website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html LCD TV SERVICE MANUAL CHASSIS : ML-041A MODEL : RZ-32LZ50 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • LG RZ-32LZ50 | Service Manual - Page 2
    CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 TIMING CHART 10 ADJUSTMENT INSTRUCTION 11 TROUBLE SHOOTING 16 BLOCK DIAGRAM 21 WIRING DIAGRAM 23 EXPLODED VIEW 24 EXPLODED VIEW PARTS LIST 25 REPLACEMENT PARTS LIST 26 SVC. SHEET -2-
  • LG RZ-32LZ50 | Service Manual - Page 3
    TV receiver is the High Voltage Section and the LCD 1.5KV: 32 inch If the meter indication is out of tolerance, immediate service and correction Transformer during this check. Connect 1.5K/10watt resistor in exceed 0.75 volt RMS which is corresponds to must be checked and repaired before it is
  • LG RZ-32LZ50 | Service Manual - Page 4
    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 receiver. Electrostatically Sensitive (ES) Devices Some semiconductor (solid-state
  • LG RZ-32LZ50 | Service Manual - Page 5
    "lift-off" the board. The following guidelines and procedures should be followed whenever this condition is encountered. 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 board. (Use
  • LG RZ-32LZ50 | Service Manual - Page 6
    a special standard. 3.General Specification(TV) No. Item 1 Video input applicable system Specification 1)PAL-D/K,B/G,I 2)NTSC-M 3) Temp : -20 ~ 60 deg 4)Humidity : 85% LCD Module Remark EU/Non-EU(RZ/RT) (PAL Market) 7)NTSC Area(RM) PAL FRANCE NTSC JAPAN 31.51" PAL, 200PR.(Option) NTSC LPL -6-
  • LG RZ-32LZ50 | Service Manual - Page 7
    Panel 2 Frequency range 3 Control function 4 Component Jack Specification 32" TFT WXGA LCD H:31 ~ 61KHz, V: 56 ~ 75Hz 1) Contrast/ 13: Line3 Ready Unit Remark DVI-I input Middle east /NTSC Only D4 Jack (525i,525p,750p,1125i) 5 Power ON Stand by DPMS Mode Power off 6 LCD Module 2: Y GND 4:
  • LG RZ-32LZ50 | Service Manual - Page 8
    Key Specification Remark TOP, FLOF, LIST 10 page NEC code 1 1 2 Half SCART: 1 Full SCART: 1 1 1 1 1 BG,DK BG,I,LL' BG,DK BG,I,LL' X X O X O O X X X Pr+/-, vol+/-, ok, menu, tv/av, power Top(option) PAL/NTSC Rear(RT/RM) Side Side, Rear(RT/RM) Rear(RZ) Rear(RZ) DVI D-Sub 9 pin(RM) (RM) Stereo
  • LG RZ-32LZ50 | Service Manual - Page 9
    625 Line HDTV 576p HDTV 720p HDTV 720p HDTV 1080i 50Hz(For Australia) HDTV 1080i 60Hz(ATSC) HDTV 1080i 59.94Hz Proposed RZ, RT, RM RZ, RT, RM RT, RM RZ, RT, RM RT, RM RT, RM RT, RM RT, RM RT, RM RT, RM V-freq(Hz) DVI-PC, Analog RGB 59.94 60.31 60.00 60.00 59.936 Pixel clock(MHz) 25.17 40.00 65.00
  • LG RZ-32LZ50 | Service Manual - Page 10
    VIDEO SYNC TIMING CHART D C A E B > Mode 1 2 3 4 H/V Sync Dot Sort Polarity Clock Total Period Video Active Time Frequency (E) (A) H+ 31.469 800 640 25.175 V- 59.
  • LG RZ-32LZ50 | Service Manual - Page 11
    instruction is for the application to the LCD TV. 2. Adjustment 2.1 PC Auto Gain/Offset adjustment 2.1.1 Adjustment preparation 1) Heat Run after 30 minutes execution of white pattern 2) Pattern generator is connected to the DVI Jack of LCD TV mode using adjustment remote controller Push IN 33 32 4C
  • LG RZ-32LZ50 | Service Manual - Page 12
    Main Last Channel 8 Mute 9 ARC 10 Station Auto Program Manual Program Program Edit Favorite Program 11 Picture PSM Dynamic Contrast Clock Phase Auto Configure Off 30 TV Pr 01 Off 16:9 CONDITION None Dynamic 80 40 70 70 0 Flat Off 0 TV Off Off English(Area Management) Variable
  • LG RZ-32LZ50 | Service Manual - Page 13
    *Option(PAL) NO ITEM 1 Side AV 2 SCART 3 PC 4 SideComp 5 16:9 6 200PR 7 Text 8 ACMS 1 HiDev 2 Hotel 3 Top 4 I II SAVE 5 Turbo Vol 6 Ch/Aus CONDITION Option 1 1 1 1 1 1 0 1 1 Option 2 0 0 1 1 0 0 REMARK 0: Side AV Off 1: Side AV On 0: SCART Off 1: SCART On 0: PC Off 1: PC On 0: SideComp Off 1:
  • LG RZ-32LZ50 | Service Manual - Page 14
    .0 User Manual Operating System: MS Windows 98, 2000, XP Port Setup: Windows 98 => Don't need setup Windows 2000, XP => Need to Port Setup. This program is available to LCD Monitor only. 2. EDID Read & Write 1) Run WinEDID.exe 1. Port Setup a) Copy "UserPort.sys" file to "c:\WINNT\system32\drivers
  • LG RZ-32LZ50 | Service Manual - Page 15
    9 TV/AV To select an external input for the TV screen 10 screen. To adjust the volume or accurately control a specific function. To set a specific function or complete setting. To move the channel down in the PIP screen code in the teletext mode 32 SIZE Used as the size key in the PIP screen
  • LG RZ-32LZ50 | Service Manual - Page 16
    TROUBLESHOOTING No power (LED indicator off) :[A]Process Check 24V or 12V of Power B/D Check short of main B/D Fail or Change Power B/D Pass Check Output of IC1300,
  • LG RZ-32LZ50 | Service Manual - Page 17
    No Raster :[B]Process Check LED Status on display unit Fail Repeat A PROCESS Check L900,L901 L902,L903 Fail Pass Check the input/ Output of IC901 Fail Pass Check inverter Connector or inverter Fail Pass Check panel link Cable or module Fail Pass Check input source cable and jack
  • LG RZ-32LZ50 | Service Manual - Page 18
    No Raster on Component signal Repeat [A] Process Pass Check the signal of Q310,Q315,Q316 Fail Pass Check the input/ output of IC1 Fail Check the input/output of IC500, IC600 Fail Pass Check the input/ output of IC901 Fail Pass Check input source cable and jack Change Q310,Q315,Q316
  • LG RZ-32LZ50 | Service Manual - Page 19
    No Raster on AV Signa (Video1,Video2, S-Video) No Raster on TV(RF) signal Repeat [A] Process Pass Check the output of Fail TU1000 Check 5V, 33V of TU1000 Re-soldering or Fail Change the defect part Check
  • LG RZ-32LZ50 | Service Manual - Page 20
    No Sound Check the input source Pass Change source input Fail Check the input/output Re-soldering or of IC1 Fail Change the defect part Pass Check the input/output Re-soldering or of IC100,IC101 Fail Change the defect part Pass Check the speaker Pass Check the speaker wire Change
  • LG RZ-32LZ50 | Service Manual - Page 21
    PAL _ IF SCART1_V SCART2_V SC_R,G,B,FB SIDE_COMP SIDE_Y,C SCART1_L,R SIDE_ L,R SCART2_ L,R PC_ LR (IC200) LA7222C DVI 8 PC_R,G,B 3 M52758 S/W (IC850) R,G,B 3 R,G,B 3 R,G,B SM5301 3 (IC800) VCT49xyI VCTI (IC1) R R,G,B MST9883 8 3 ADC G 8 (IC600) B 8 L MPS7720 R AMP (IC100,IC101
  • LG RZ-32LZ50 | Service Manual - Page 22
    to the LVDS signal by the integrated LVDS IC before being sent to the LCD module. VCTI is the main microcomputer that processes both video signals and sound PC (analog RGB) input and the DVI-D (digital signal), and sends the PC input to the scaler analog port and DVI-D input to the digital port. The
  • LG RZ-32LZ50 | Service Manual - Page 23
    WIRING DIAGRAM - 23 - 4 5 8 3 2 1 7 POWER BOARD MAIN BOARD 9 6 Wiring Part List No. Part No. 1 6631T11020N 2 6631T20032S 3 6631T20032T 4 6631T25019K 5 6631T20033F 6 6631T20033T 7 6631T20033A 8 6631T20033E 9 6631T20033D
  • LG RZ-32LZ50 | Service Manual - Page 24
    EXPLODED VIEW - 24 - 006 001 005 010 002 009 007 008 011 012 013 014 015 003 016 004
  • LG RZ-32LZ50 | Service Manual - Page 25
    VIEW PARTS LIST No. PART NO. DESCRIPTION 001 3091TKE019B CABINET ASSEMBLY, RT-32LZ50 BRAND 3090TKE014 . 3091TKE019C CABINET ASSEMBLY, RZ-32LZ50 BRAND 3090TKE014 SKD 002 6304FLP163A LCD(LIQUID CRYSTAL DISPLAY), LC320W01-A6 LG PHILPS TFT COLOR WXGA, 16:9, 500NITS, 16MS, 8BIT, LVDS 003
  • LG RZ-32LZ50 | Service Manual - Page 26
    Oxide Film RN : Metal Film RH : CHIP, Metal Glazed(Chip) RR : Drawing *S *AL LOC. NO. PART NO. MAIN BOARD CAPACITOR DATE: 2004. 10. 28. DESCRIPTION / SPECIFICATION C108 C1100 C1102 C1112 C1113 C1114 C1115 C119 C120 C404 C1015 C1016 C13 C1303 C1308 C14 C2 C20 C200 C237 C238 C319 C321 C324 C326
  • LG RZ-32LZ50 | Service Manual - Page 27
    . PART NO. DATE: 2004. 10. 28. DESCRIPTION / SPECIFICATION C521 C522 C523 C526 C527 C528 C529 C530 C531 C532 C533 10% X7R 2012 R/TP *S *AL LOC. NO. PART NO. DATE: 2004. 10. 28. DESCRIPTION / SPECIFICATION C638 C639 C64 C640 C65 C66 C67 C700 C704 C705 C75 C751 C76 C760 C761 C77 C79 C80 C804 C808
  • LG RZ-32LZ50 | Service Manual - Page 28
    . PART NO. DATE: 2004. 10. 28. DESCRIPTION / SPECIFICATION C930 C931 C935 C936 C938 C939 C940 C941 C942 C943 C944 10% X7R R/TP *S *AL LOC. NO. PART NO. DATE: 2004. 10. 28. DESCRIPTION / SPECIFICATION C72 C73 C750 C752 C753 C759 C78 C8 C800 C801 C802 C803 C9 C901 C902 C903 C904 C905 C906 C907
  • LG RZ-32LZ50 | Service Manual - Page 29
    47UF 16V 20% 105STD (CYL) R/ 47UF 16V 20% 105STD (CYL) R/ *S *AL LOC. NO. PART NO. DATE: 2004. 10. 28. DESCRIPTION / SPECIFICATION C861 C862 C863 C87 C88 C900 C953 C956 C957 C959 C97 C972 0CH8476F691 0CH8476F691 0CH8476F691 0CH8476F691 0CH8476H691 0CH8476F691 0CH8476F691 0CH8476H691 0CH8476F691
  • LG RZ-32LZ50 | Service Manual - Page 30
    "MST9883C-110 MSTAR 80P,LQFP" "SM5301BS(ATSC DTV) NPC 28P,H" GM5221H(HDCP) GENESIS 208P Q LM1117MPX-3.3 NATIONAL SEMIC "KIA78D09F KEC 3P,DPAK R/TP 9" *AL LOC. NO. PART NO. DATE: 2004. 10. 28. DESCRIPTION / SPECIFICATION L901 L902 L903 L907 L202 L203 L204 L205 L207 L208 L209 L210 L5000 L603 L1
  • LG RZ-32LZ50 | Service Manual - Page 31
    1/10W 5 D.R/TP 470K 1/10W 5 D.R/TP 150 1/10W 5 D.R/TP 470K 1/10W 5 D.R/TP 680 OHM 1 / 10 W 5% D R/TP *S *AL LOC. NO. PART NO. DATE: 2004. 10. 28. DESCRIPTION / SPECIFICATION R395 R44 R45 R502 R520 R527 R607 R610 R703 R705 R712 R713 R715 R716 R719 R725 R729 R730 R737 R738 R755 R756 R802 R805 R806
  • LG RZ-32LZ50 | Service Manual - Page 32
    1/10 W 5% 1608 R/TP *S *AL LOC. NO. PART NO. DATE: 2004. 10. 28. DESCRIPTION / SPECIFICATION R109 R110 R111 R1110 R112 R113 R114 R115 R116 R117 R120 R121 R122 R123 R124 R125 R127 R130 R1300 R1302 R1303 R1305 75 OHM 1/10 W 5% 1608 R/TP 0 OHM 1/10 W 5% 1608 R/TP 75 OHM 1/10 W 5% 1608 R/TP - 32 -
  • LG RZ-32LZ50 | Service Manual - Page 33
    NO. DATE: 2004. 10. 28. DESCRIPTION / SPECIFICATION R250 R251 R253 R254 R256 R257 R303 R317 R319 R321 1/10 W 5% 1608 R/TP *S *AL LOC. NO. PART NO. DATE: 2004. 10. 28. DESCRIPTION / SPECIFICATION R58 R59 R60 R600 R601 R602 R603 R604 R606 R608 R609 R62 R64 R66 R68 R70 R701 R702 R706 R71 R711 R717
  • LG RZ-32LZ50 | Service Manual - Page 34
    PLC UPJ-R1-019 UGCOM 21PIN W/SHI UPJ-R1-019 UGCOM 21PIN W/SHI TAEW-G051D LG INOTEK MULTI V *S *AL LOC. NO. PART NO. DATE: 2004. 10. 28. DESCRIPTION / SPECIFICATION R1701 0RN6200F409 R1702 0RN5100F409 R1703 0RN4300F409 R1704 0RN3300F409 R1705 0RN2700F409 R1706 0RN2701F409 SW1700 140-313A SW1701
  • LG RZ-32LZ50 | Service Manual - Page 35
  • LG RZ-32LZ50 | Service Manual - Page 36
  • LG RZ-32LZ50 | Service Manual - Page 37
    P/NO : 3828TSL108M Oct., 2004 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-041A
MODEL : RZ-32LZ50