LG RZ-30LZ13 Service Manual
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LG RZ-30LZ13 Service Manual

Chassis ml-038a
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P/NO : 3828VD0120G
Aug., 2003
Printed in Korea
LCD TV
SERVICE MANUAL
CHASSIS : ML-038A
MODEL : RZ-30LZ13
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.htm

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Summary of Contents for LG RZ-30LZ13

  • Page 1 LCD TV SERVICE MANUAL CHASSIS : ML-038A MODEL : RZ-30LZ13 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. Aug., 2003 P/NO : 3828VD0120G Printed in Korea...

  • Page 2: Table Of Contents

    CONTENTS CONTENTS ....................2 PRODUCT SAFETY ..................3 CONTROL DESCRIPTIONS..............4 SPECIFICATIONS..................8 ADJUSTMENT INSTRUCTIONS .............12 TROUBLE SHOOTING ................14 PRINTED CIRCUIT BOARD ..............15 BLOCK DIAGRAM...................19 EXPLODED VIEW .................. 20 EXPLODED VIEW PARTS LIST ..............21 SVC. SHEET ....................- 2 -...

  • Page 3: Product Safety

    No deviations are 6. Do not remove a replacement ES device from its protective package until allowed without prior approval by LG Electronis Inc. Service work should be immediately before you are ready to install it. (Most replacement ES devices...

  • Page 4: Control Descriptions

    9. PSM (Picture Status Memory) recalls your preferred picture setting. 10. SPLIT ZOOM Enlarge the screen with regular ration. 11. VCR BUTTONS control a LG video cassette recorder. - 4 -...
  • Page 5 12. INPUT SELECT selects the remote operating mode. switches the set on from standby. 13. I/II POWER selects the language during dual language broadcast. selects the sound output. MULTIMEDIA INPUT SELECT 14. TELETEXT BUTTONS I/II These buttons are used for teletext. For further details, see the ‘Teletext’...
  • Page 6 Front panel 1. MAIN POWER (ON OFF) 5. POWER (O / I ) switches the set on or off. switches the set on from standby or off to standby. 2. INPUT SELECT selects TV, AV1, AV2, AV3, S-Video, RGB or 6.
  • Page 7 Back panel 1. EXTERNAL SPEAKER (6 ohm output) 6. RGB INPUT / DVI (Digital Visual Interface) connect to optional external speaker(s). INPUT connect the set output socket of the PER- 2. POWER CORD SOCKET SONAL COMPUTER to this socket. Note : This set is only provided the DVI-D 3.

  • Page 8: Specifications

    Testing for standard of each part must be followed in below 3. Test and Inspection method condition. (1) Capacity: Follow LG electronics TV Testing Standard. (2) Another Required Standard (1) Temperature: 25°C ± 5°C(But, CST must be tested 40°C ±...
  • Page 9 Specification Item Remark Unit Speaker reqularity Output power Power on time External terminals RGB 1 input D-sub 15pin Phone Jack PC sound input (common to RGB 1 and DVI) DVI Jack DVI input RS-232C D-Sub 9pin Half scart Full scart RF input Power system PFC(Power Factor Correction) &...
  • Page 10 <Table.1> RGB1 and RGB2 input mode Vertical Frequency: Standard ± 0.5Hz ±ertical Lines: Standard ± 7 Lines Proposed Remark Resolution H-freq(KHz) V-freq(Hz) Pixel clock(MHz) 31.468 70.09 25.17 640*350 37.861 85.08 31.50 640*350 70.08 28.32 720*400 31.469 35.50 720*400 37.927 85.03 25.17 VESA(VGA) 640*480...
  • Page 11 <Table.2> Scart arrangement 1 (Full Scart) Signal Signal Level Impedance Audio output B (right) 0.5Vrms < 1 kΩ Audio input B (right) 0.5Vrms > 10 kΩ Audio output A (left) 0.5Vrms < 1 kΩ Ground(audio) Ground(blue) 0.5Vrms > 10 kΩ Audio input A(left) 75 Ω...

  • Page 12: Adjustment Instructions

    (5) The receiver must be operated for about 15 minutes prior finally the SET saves data values. to the adjustment. ¤ After receiving 100% white pattern(06CH), the receiver Model name ML-038A RZ-30LZ13 must be operate prior to adjustment.(Or white condition Type RS-232C Communication...
  • Page 13 3-2. EDID (The Extended Display Identification Data) /DDC(Display Data Channel) Adjustment (1) This is the function that is made for the realization of “Plug and Play” which makes possible to use the user environment right after reorganization by communicating with monitor automatically. (2) EDID DATA for DVI of ML-038A(Data for DDC) EDID table = (3) EDID DATA for RGB of ML-038A...

  • Page 14: Troubleshooting

    TROUBLESHOOTING 1. General features Symptom Cause Check Point 1) Check the Power switch assy. 1. No picture, No sound Power supply Error 2) Check the Power board. 3) If you don’t turn on the Power in stand-by status, error is the short of Main Board or Tuner Board. Check the Board.

  • Page 15: Printed Circuit Board

    PRINTED CIRCUIT BOARD MAIN(TOP) - 15 -...
  • Page 16 MAIN(BOTTOM) - 16 -...
  • Page 17 SPK(TOP) SPK(BOTTOM) CONTROL(TOP) CONTROL(BOTTOM) E-PHO(TOP) E-PHO(BOTTOM) - 17 -...
  • Page 18 TUNER(TOP) TUNER(BOTTOM) - 18 -...

  • Page 19: Block Diagram

    BLOCK DIAGRAM - 19 -...

  • Page 20: Exploded View

    EXPLODED VIEW - 20 -...

  • Page 21: Exploded View Parts List

    CHASSIS ASSEMBLY,SUB ML038A SPK BOARD AND AC-IN SOCKET ASSY 3141VSN644A CHASSIS ASSEMBLY,SUB ML038A RZ-30LZ13 CNTL BOARD ASSY ACCESSORIES 3828VA0423B MANUAL,OWNERS,ML038A DG/BN LG GE/EN FR/NE 100Q RX 016C 026C 3828VA0423C MANUAL,OWNERS,ML038A HS LG GR/EN 100Q TX (LGEHS) 3828VA0423D MANUAL,OWNERS,ML038A UK/WTY LG EN 100Q TX (LGEUK)
  • Page 22 P/NO:3854VA0137A-S1(1/2) 2003.08.09...
  • Page 23 P/NO:3854VA0137A-S1(2/2) 2003.08.09...
  • Page 24 P/NO:3854VA0137A-S2(1/2) 2003.08.09...
  • Page 25 P/NO:3854VA0137A-S2(2/2) 2003.08.09...

  • Page 26: Svc. Sheet

    SVC. SHEET : 3854VA0137A-S1/S2...

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