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e-mail:http://www.LGEservice.com/techsup.html
COLOR TV
SERVICE MANUAL
CHASSIS : MC-05HA
MODEL : 29FS2AMB/ANX
MODEL : 29FS2AMB/ANX-ZE
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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CONTENTS CONTENTS .............................................................................................. 2 SAFETY PRECAUTIONS ..........................................................................3 CONTROL DESCRIPTIONS .................................................................... 4 SPECIFICATIONS .................................................................................... 7 ADJUSTMENT INSTRUCTIONS ............................................................. 8 TROUBLE
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SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in 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. Do not modify the original design without permission of manufacturer. General Guidance Befor
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CONTROL DESCRIPTIONS 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 POWER MUTE Before you use the remote control handset, please install the bat- teries. See the next page. 1 12 1 23 1. POWER 4 56 switches the set on from standby or off to standby. 2 7 89 2. NUMBER BUTTONS switches the set on from standby or directly select a number. ARC 0 TV/AV 3 13 MENU 3. ARC (Aspec
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14. MENU POWER selects a menu. MUTE 1 12 15. LIST 1 23 displays the programme table. 4 56 16. SSM (Sound Status Memory) 2 recalls your preferred sound setting. 7 89 17. EYE/ (option) ARC 0 TV/AV * switches the eye function on or off. 3 13 MENU SOUND PICTURE 18. Q.VIEW 4 14 returns to the previously viewed programme. OK T U R B O 19. INDEX/ (option) * PR switches DISPLAY on or off. VOL VOL 5 PR 20. PIP BUTTONS (option) PIP REW PLAY FF switches the sub picture on or off. PR +/- 6 FAVOURIT
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S-VIDEO VIDEO L/MONO AUDIO R Front panel 8 3 6 4 ON/OFF 1 Side panel 2 5 7 1. MAIN POWER (ON/OFF) 7. EYE (option) switches the set on or off. adjusts picture according to the surrounding conditions. 2. POWER/STANDBY INDICATOR illuminates brightly when the set is in standby 8. HEADPHONE SOCKET (option) mode. Connect the headphone plug to this socket. dims when the set is switched on. 3. MENU selects a menu. 4. OK accepts your selection or displays the current mode. F F / G G (Volume Down/Up) a
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SPECIFICATIONS Note : Specification and others are subject to change without notice for improvement. A Scope A Test Condition This specification can be applied to all the television related to 1) Temperature : 20 ± 5 (CST : 40 ± 5 ) MC-05HA Chassis. 2) Relative Humidity : 65 ± 10% 3) Power voltage : 110-240V~, 50/60Hz 4) Follow each drawing or spec for spec and performance of A Test and Inspection Method parts,based upon P/N of B.O.M 1) performance : Follow the Standard of LG TV test 5) Warm
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ADJUSTMENT INSTRUCTIONS 8) After checking ‘40’, Click the Erase Flash button. 1. Application Object These instructions are applied to all of the color TV, MC-05HA chassis. 2. Notes (1) Because this is not a hot chassis, it is not necessary to use an isolation transformer. However, the use of isolation transformer will help protect test instrument. (2) Adjustment must be done in the correct order.But the adjustment can be changed by consideration of mass production. (3) The adjustment must be per
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12) Download the file with ‘OK’ button. 7. Purity & Convergence adjustment Adjustment should be operated when using the CPT(without ITC from CPT manufacturing place) This adjustment must be done in the order of the following flowchart. As preparatory operations before CPT Assembling assembling CPT, wind cotton Tape for protecting to CPT NECK and DY, CPT connection parts. At this moment, end of tape should be over-lapped and wound in direct route to the NECK. 13) Check download process(about 30~4
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(5) Open angle of the two tab of 6 pole magnet by isogonic f. Check the adjusted color coordinates with white balance angle and accord with vertical line of Red/Blue and Green. meter. (6) Maintain as angle of (5) and rotate the tab to accord with Color Temperature X coordinate Y coordinate horizontal line. In case of twisted horizontal line,repeat adjustment of (3) ~ (5) remembering the movement of 13500K 266± 8 273 ± 8 Non EU Red/Green/Blue color. (7) Move the DY to best condition of convergenc
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BOW 10. Deflection Data Adjustment In line adjustment, not to change default value is basic. - Manual adjustment can be done by the following procedure. ANG 10-1. Preliminary steps In angle adjustment, adjust until inclination of center vertical line 1) Set the Deflection data with the remote controller. should be vertical precisely. 2) Enter the Adjustment mode by pressing the ADJ button. EP (East-West Parabola) 3) Select the “DEFLECT” to adjust Deflection Data. Adjust so that middle portion of
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11. Deflection setting initial data 13. OPTION setting RF PAL RF NTSC 13-2. Preliminary steps ITEM Range 1080i/50 100Hz 1080i/50 1) This option adjustment decides function in accordance with model. Press the SVC TX adjustment button(CH up/down VL 0 ~ FFFF FFFC FFF3 FFDD button) at SVC mode, then adjust the option at OPTION1, 2, VA 0 ~ FFFF 004E 0014 002A 3, 4, 5 mode. SC 0 ~ FFFF 009E 009E 007C 2) Mark the option adjustment data like [111,111,111,111,111] VS 0 ~ FFFF FFF8 FF10 0003 in BOM. HS 0
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OPTION 1 Option Code Function Remark 1 TEXT (2bit, 3: WITH CAPTION(CANADA) 3: CANADA Caption, 2: WITH CAPTION 2: OTHER NTSC AREA 200PR) 1: W/TXT & 200 PROGRAM 1: Other country 0: W/O TXT & 200 PROGRAM 0: china only 2 VCTP 0: BASIC 0: VCTP Basic Version 1: ECO 1: VCTP ECO Version * Fixed by MICOM VERSION 3 TOP 1: TOP + FLOF TEXT 1: Dutch/ Swiss/ Austria/ Sweden/ Norway/Finland/ Poland/ Italy/ Spain/ Benelux3 0: FLOF TEXT 0: Others 4 ACMS 1: WITH CHANNEL NAME DISPLAY 1:ALL COUNTRIES EXCE
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OPTION 3 Option Code Function Remark 1 SCART 3: READY 3: no use 2: 2 SCART(SC ID enable + SC_RGB(soft mix)+sav2) 2: 2 scart 2 1: 1 SCART(SC ID enable + SC_RGB(soft mix)) 1: 1 scart + 1 phone 0: WITHOUT SCART JACK(ALL PHONE JACK) 0: ALL PHONE JACK 3 WIDE 1: 16:9 TV 1: Wide Model 0: 4:3 TV 0: 4:3 model 4 NCOMP 1: COMPONENT 1/2 1: no use (number of component) 0: COMPONENT 1 0: ALL 5 3DCOM 1: WITH 3D-COMB FILTER 1: Basic VCTP(PIP model) 0: WITHOUT 3D-COM FILTER(WITH 4H-FILTER) 0: Eco VCTP(
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OPTION5 Option Code Function Remark C/PTV 1: W/ CVG(PTV) 1: no use 1 0: W/O CVG(CTV) 0: ALL * Fixed by MICOM version AUTOCVG 1: WITH AUTO CONVERGENCE 1: no use 2 0: WITH 9 POINT CONVERGENCE 0: ALL 32 INCH 1: 32 INCH 1: no use 3 0: OTHERS 0: ALL HOTEL 1: WITH HOTEL FUNCTION 1: Limit MAX VOL Level, CH EDIT 4 0: WITHOUT HOTEL FUNCTION 0: EYE 1: WITH DIGITAL EYE 1: no use(READY) 5 0: WITHOUT DIGITAL EYE 0: ALL TBIDX 1: WITH TURBO THEATER INDEX 1: FB90/FC40 index option 6 0: WITHOUT TURBO T
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TROUBLE SHOOTING 1. No Picture (sound ok) CVBS Signal? Check MAIN R118 Waveform (2Vpp) YES NO NO Waveform of Digital Board IC001 Check Q003 Check Tuner(TU101) VIDEO output #191? YES NO Waveform of Digital Board IC500 Check around IC500 R/G/B/VM OUT0~#65~68? YES NO Waveform of Digital Board IC500 Check around IC500 #41, 42, 43, 44? YES NO Waveform of Digital Board P500 Check around Q505, Q506, Q507 #R/G/B_OUT? YES NO Waveform of CPT socket cathode Check IC901G (RK/GK/BK)? 2. No Sound (picture ok
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3. No PIP NO Waveform of Digital Board Check Waveform of MAIN1 Waveform of Digital IC001 #189, 182, 188? AV JACK1 Q101(E)? Board IC510 #51, 52, 53, 46? NO YES Check TU102 YES YES Check Digital Board IC510 #2 NO Check Q510 NO Waveform of Digital Board Check Digital Board IC001 #195? IC001 NO YES Check Scart Jack YES SCART201 NO Waveform of Digital Board Check around IC510 IC510 #19~22, 24~28? YES NO Waveform of Digital Board Check around IC001 IC001 #165~167? 4. No power
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5. No raster Check +B voltage 125 ~ 135V or OK 0V NO OPEN Is the voltage at VCC of IC001 Check F1701 Fuse ST_1.8V and ST_3.3V? on PSW Board YES OK Check/ Replace F1771 Check ST_Voltage 0V Does the square Check the voltage of NO YES waveform from PIN C1806 23 of IC500 appear Check/ YES Check/ Replace D1810 Check IIC bus Replace IC500 lime (SDA, SAC) Is the waveform at 0V NO Drain Q408 normal? Check the voltage at pin2 of IC801 Check/ Replace Q422, T402 Check/ Replace IC810 Check the voltage at
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PRINTED CIRCUIT BOARD MAIN
