LG 21FS2ALX Service Manual

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All manuals and user guides at all-guides.com
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.

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Summary of Contents for LG 21FS2ALX

  • Page 1 All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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.
  • Page 6 All manuals and user guides at all-guides.com 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.
  • Page 7: Specifications

    1) Temperature : 20 ± 5 ° C Test and Inspection Method (But, CST must be tested 40 ± 5°C . Humidity : 50%) 1) Capacity : Follow LG electronics TV testing Standard. 2) Relative Humidity : 65 ± 10% 2) Another Required Standard...
  • Page 8: Adjustment Instructions

    All manuals and user guides at all-guides.com 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.
  • Page 9 All manuals and user guides at all-guides.com (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...
  • Page 10 All manuals and user guides at all-guides.com 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...
  • Page 11 All manuals and user guides at all-guides.com 9-6. OPTION4 9-7. OPTION5 Function Option Code Function Option Code Function ENG ONLY Without LAN OSD L EU-5EA With LAN Without A2_ST EU ETC A2_ST GREECE With A2_ST EU-ALL Without SCART With SCART FARSI ARAB URDU Without TILT...
  • Page 12: Trouble Shooting

    All manuals and user guides at all-guides.com 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...
  • Page 13 All manuals and user guides at all-guides.com 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...
  • Page 14 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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...
  • Page 16 All manuals and user guides at all-guides.com SIDE A/V - 17 -...
  • Page 17: Block Diagram

    All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com MEMO - 19 -...
  • Page 19: Exploded View

    All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com 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...
  • Page 22 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com P/NO: 3854VA0204A - S1 2004.12.15...
  • Page 28: Svc. Sheet

    All manuals and user guides at all-guides.com SVC. SHEET : 3854V A0204A-S...
  • Page 29 All manuals and user guides at all-guides.com Feb., 2006 P/NO : 3828VD0219D Printed in Korea...

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