LG 21FS2ALX Service Manual

LG 21FS2ALX Service Manual

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COLOR TV

SERVICE MANUAL

CHASSIS : MC-049C
MODEL : 21FS2ALX/RG/RL/RLX
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
21FS2ALX/RG/RL/RLX-TC

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Summary of Contents for LG 21FS2ALX

  • Page 1: Service Manual

    COLOR TV SERVICE MANUAL CHASSIS : MC-049C MODEL : 21FS2ALX/RG/RL/RLX MODEL : 21FS2ALX/RG/RL/RLX-TC CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2: Table Of Contents

    CONTENTS Contents ........................2 Safety Precautions....................3 Control Descriptions..................4 Specifications......................7 Adjustment Instructions .................8 T rouble Shooting....................12 Printed circuit board..................16 Block Diagram ......................18 Exploded View....................20 Exploded View Parts List ................21 Replacement Parts List .................22 SVC. Sheet........................- 2 -...
  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS IMPORT ANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
  • Page 4: Switches The Eye Function On Or Off

    DESCRIPTION OF CONTROLS All the functions can be controlled with the remote control handset. Some functions can also be adjusted with the buttons on the front panel of the set. Remote control handset Before you use the remote control handset, please install the bat- teries.
  • Page 5: Switches The Set On From Standby

    11. MUTE switches the sound on or off. 12. TV/AV selects TV or AV mode. switches the set on from standby. 13. I/II/ (option) selects the language during dual language broadcast. (option) selects the sound output. 14. LIST POWER MUTE displays the programme table.
  • Page 6: Front Panel

    Front panel 21FS2 series 2 3 4 Side panel 1. MAIN POWER (ON/OFF) switches the set on or off. 2. POWER/STANDBY INDICATOR illuminates brightly when the set is in standby mode. dims when the set is switched on. 3. REMOTE CONTROL SENSOR Note : Only use the supplied remote control handset.
  • Page 7: Specifications

    (But, CST must be tested 40 ± 5°C . Humidity : 50%) 2) Relative Humidity : 65 ± 10% 1) Capacity : Follow LG electronics TV testing Standard. 2) Another Required Standard 3) Power : Standard input Voltage (110-240V~, 50/60Hz)
  • Page 8: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS 1. Application Object 5. White balance adjustment These instructions are applied to all of the color TV, MC-049C. NOTE : When adjusting white balance automatically,connect the adjustment JIG in SVC mode.(When pressing ,MUTE 2. Notes button on remote control, it changes to CPU OFF MODE (1) Because this is not a hot chassis, it is not necessary to use and screen displays “AUTO”.) an isolation transformer.
  • Page 9 (4) VS (Vertical Shift) adjustment: <CAUTION> W/B Program “Twbeng_v049” Adjust so that the geometric vertical center line is in accord - W/B adjustment after Cutoff with vertical center line of CPT. : Instart -> adj. -> mute(cutoff)-> tv/av(wb) (5) HS(Horizontal Shift) adjustment: Release key is EXIT key Adjust so that the geometric horizontal center line is in - W/B adjustment...
  • Page 10 9.OPTION Adjustment 9-4. OPTION2 Option Code Function 9-1. Preparation for Adjustment Without AV2 1) This option adjustment decides function in accordance with model. Press IN-START button on SVC communicator, With AV2 then adjust the option at OPTION1 mode. Without DVD 2) Mark the option adjustment data like [111,111,111,111] in With DVD BOM.
  • Page 11 9-6. OPTION4 9-7. OPTION5 Function Option Code Function Option Code Function ENG ONLY Without LAN OSD L EU-5EA With LAN EU ETC Without A2_ST A2_ST GREECE With A2_ST Without SCART EU-ALL FARSI With SCART ARAB URDU Without TILT TILT E+HINDI With TILT E+I+M+V Without BOOST...
  • Page 12: Trouble Shooting

    TROUBLE SHOOTING RF- STEREO MODEL PICTURE O. K / NO SOUND Selec t ed c o rrec t syst em In m enu Chec k t he wavef o rm Chec k / Rep lac e IF 1 o f TU101 TU 101 Chec k t he wavef o rm Chec k The Vo lt ag e...
  • Page 13 No Ras ter ( 2/ 2) CHECK B+ At D829 c at ho d e No rm al Ab no rm al Op en Is t he vo lt ag e a t Chec k eac h p in vo lag e o f IC11 Fuse o f AC line Chec k / Rep lac e Chec k t he...
  • Page 14 NO Pic t ure No So und Is Any OSD d isp la yed ? Chec k IC11 p in71, 7 2, 73 Chec k rec eiving syst em in MENU & exec ut e Aut o Pro g ram . ( R, G, B o ut ) Do es t he auto Pro g ra m Op erat e p ro p erly...
  • Page 15 AV STERRO / MONO MODEL Selec t c o rrec t syst em In m enu Chec k t he c o nnec t io n Of AV eq uip m ent Chec k t he wavef o rm At p in16, 17 o f IC11 Chec k TU1 01 Tuner Chec k t he vo lt ag e Chec k t he wavef o rm...
  • Page 16 SIDE A/V - 17 -...
  • Page 17: Block Diagram

    BLOCK DIAGRAM VIDEO/AUDIO RESET DATA/CLOCK ON / OFF Y/Cb/Cr-IN SCART RGB-IN AV-IN TV / MONITOR OUT PIP-VIDEO PIP-RGB - 18 -...
  • Page 18 MEMO - 19 -...
  • Page 19: Exploded View

    EXPLODED VIEW P801 - 20 -...
  • Page 20: Exploded View Parts List

    BRACKET, CRT 21FS2 SUPER SLIM MC049C HIPS 60HR LGESY LOCAL 4810V01114A BRACKET, CRT RZ-21FD70 MC049B ABS . 6334V21017A CPT, A51ERS420X 01 LG-PHILIPS DISPLAYS 16KHZ 21 INCH SUPER SLIM 6335921002A CPT ASSEMBLY, A51ERS420X L L(+0.50G) 0G SUPER SLIM, ITC 6335921002E CPT ASSEMBLY, A51ERS420X P P(+0.10G) 0G SUPER SLIM, ITC...
  • Page 21: Replacement Parts List

    REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film in the P/No. means as follows; CE : Electrolytic RN : Metal Film RF : Fusible LOCA.
  • Page 22 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 23 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 24 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 25 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 26 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 27 P/NO: 3854VA0204A - S1 2004.12.15...
  • Page 28: Svc. Sheet

    SVC. SHEET : 3854V A0204A-S...
  • Page 29 Feb., 2006 P/NO : 3828VD0219D Printed in Korea...

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21fs2rg21fs2rl21fs2rlx21fs2rlx-tc

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