LG Electronics CT-29M65VE manuale d’uso

COLOR TV SER VICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : MC-049A MODEL:CT -29M65VE website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html[...]

- 2 - CONTENTS Contents ...................................................................................................................2 Saf ety Pr ecautions ..............................................................................................3 Contr ol Descriptions ......................................................................[...]

- 3 - SAFETY PRECAUTIONS Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by i n 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-RADIATIO[...]

- 4 - 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. See the next page. 1. POWER switches the set on from standby or off t[...]

- 5 - OK PR VOL PR VOL PLAY P/STILL STOP REC REW FF I/II SSM LIST PSM SLEEP Q.VIEW 0 ARC TV/AV MENU PICTURE SOUND 1 2 3 4 5 6 7 8 9 POWER MUTE T U R B O EYE/ FAVOURITE 15. LIST displays the programme table. 16. EYE/ * (option) switches the eye function on or off. 17. SLEEP sets the sleep timer . 18. Q.VIEW returns to the previously viewed programme[...]

- 6 - SPECIFICA TIONS Note : Specification and others are subject to change without notice for improvement. F Scope This specification can be applied to all the television related to MC-049A Chassis. F Test and Inspection Method 1) performance:Follow the Standard of LG TV test 2) Standards of Etc. requirement - Safety: IEC60065 - EMC: EN55020,EN550[...]

1. Application Object These instructions are applied to all of the color TV, MC-049A. 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 [...]

(5) Open angle of the two tab of 6 pole magnet by isogonic angle and accord with vertical line of Red/Blue and Green. (6) Maintain as angle of (5) and rotate the tab to accord with horizontal line. In case of twisted horizontal line,repeat adjustment of (3) ~ (5) remembering the movement of Red/Green/Blue color. (7) Move the DY to best condition of[...]

(4) VS (Vertical Shift) adjustment: Adjust so that the geometric vertical center line is in accord with vertical center line of CPT. (5) HS(Horizontal Shift) adjustment: Adjust so that the geometric horizontal center line is in accord with horizontal center line of CPT. (6) EW(East-West Width) adjustment: Adjust until the outmost left and right lat[...]

- 10 - 8-4. OPTION2 Function 8-5. OPTION3 Function TSEARCH 200PR EYE TX019 8KEY 4KEY Option Code 0 1 0 1 0 1 0 1 0 1 0 1 Function Without TURBO SEARCH With TURBO SEARCH 100 PROGRAM SAVE 200 PROGRAM SAVE Without EYE With EYE 8KEY 4KEY SYSTEM ACMS TOP CH+AU HDEV Option Code 0 1 0 1 0 1 0 1 0 1 Function REMARK Without ACMS Function With ACMS Function [...]

TROUBLE SHOO TING - 11 - RF - STEREO Selected correct system In menu Check the waveform IF 1 of TU101 Check the waveform At pin 4, 5 of IC1 1 Check the waveform At pin 2, 4 of IC601 Check the V oltage At pin 6 of IC601 Check the waveform At pin 8, 9, 1 1, 12 of IC601 Check the V oltage At pin 5, 6 of IC602 NO Check / Replace TU 101 NO NO NO Check T[...]

- 12 - NO RASTER CHECK B+ At D829 cathode Is the voltage at each pin voltage of IC1 1 Check Fuse of AC line Check / Replace Fuse Check the V oltage Of C803 Check the V oltage Pin 4 of IC801 Check / Replace IC801, IC802, IC826 Check / Replace DB801 Check pin 60 Of IC1 1(H - Out) Check Q402 Collector waveform Check T401 & each pin voltage Check Q[...]

- 13 - No Picture / No Sound Is any OSD displayed? Check receiving system in MENU & execute Auto - Program. Does the auto - Program Operate properly . Store on manual - program MENU Check / Replace CPT Board component Go to No Sound / Picture OK Check IC1 1 pin71,72,73 (R,G,B out) No No OK OK OK OK Check pin40(V out 1) 1V p-p Check 1.8V , 3.3V [...]

- 14 - A V Stereo Select correct system In menu Check the connection Of A V equipment Check the the waveform At pin16, 17 of IC1 1 Check TU101 Tuner Check the waveform At pin4, 5, of IC1 1 Check waveform At pin 2, 4 of IC601 Check the voltage At pin6 of IC601 Check the waveform At pin 8, 9, 1 1, 12 of IC601 Check the voltage Of pin2, 19, 20, 21,24 [...]

- 15 - PRINTED CIRCUIT BOARD MAIN[...]

SIDE A/V - 16 - POWER CONTROL[...]

BLOCK DIAGRAM - 17 - [ P o w e r ] [ P o w e r ] 1 1 0V( F l a t ) 1 2 0 V( N o r m al ) 1 4V 1 2 3 3 V 1 3 1 6 1 8 1 7V S o u n d V c c 6 . 5V 7 8 R 0 5 78S 06 H -D RI VE F B T P RE -A M P E E P RO M L ED T D A 6 1 0 9 T u n e r ( M a i n ) VC T 4 9 X Y I 3 . 3V S D A - 9 4 8 9 X ( P I P P ro c es so r ) L A 7 2 2 2 ( A u d i o S w i t c h ) E Y E[...]

- 18 - C L K P RE SE T S T I C K L / R L A 42071 L A 42072 L A 42152 Vi d e o C P T / VM T D A 6 1 0 9 P O W E R. S T R X 6 7 5 7 P O W E R. S T R X 6 7 5 7 S I F H / P S P K R -L S P K R -R S W1 S A W R G B V1 V2 V3 C 3 R/ P r Y 3 G / Y B / P b V1 V2 V3 C 3 R/ P r Y 3 G / Y B / P b A I N 1 L / R A I N 2 L / R A I N 3 L / R A U D I O VI D E O L A 7[...]

MEMO - 19 -[...]

- 20 - EXPLODED VIEW 520 501 310 600 601 700 300 330 320 120 540 550 112 170 150 913 943 400 174 153[...]

- 21 - EXPLODED VIEW P AR TS LIST LOCA. No. PART No. DESCRIPTIONS 112 2426VSF0013 CPT SET, 29” SF A68KYN690X000MYB BARE (L,N,M,K,P) 120 120-C77G SPEAKER,FULLRANGE C122P02K1459 8 OHM 10/15W 130 57*117 150 6140VC2001R COIL,DEGAUSSING 29 FLAT (W) SELLA TECH 15 OHM 58T/0.55 153 6150Z-1040B DY(DEFLECTION YOKE) DC29SLSF1 170 170-844J CPT EARTH, 29” 9[...]

- 22 - REPLACEMENT P ARTS LIST LOCA. NO P ART NO DESCRIPTION D407 D408 D501 D502 D503 D601 D602 D603 D604 D801 D802 D803 D815 D821 D823 D827 D828 D829 D830 D854 D901 D902 D903 D904 DB801 LD1 101 Q401 ZD10 ZD122 ZD401 ZD402 ZD501 ZD601 ZD801 ZD803 ZD910 ZD91 1 ZD912 C10 C101 C104 C106 C107 C108 C109 C1 1 C1 10 0DRTW00164A 0DD414809ED 0DD414809ED 0DD[...]

- 23 - LOCA. NO P ART NO DESCRIPTION C1 101 C1 1 1 C12 C1208 C1240 C1241 C126 C13 C17 C18 C19 C216 C217 C23 C24 C25 C303 C304 C306 C308 C309 C310 C402 C403 C404 C405 C406 C407 C409 C410 C41 1 C413 C414 C415 C416 C417 C419 C420 C421 C422 C501 C502 C503 C504 C505 C506 C507 C508 C509 C510 C51 1 C512 0CE107DD618 0CE227DD618 0CE107DD618 0CE106DF618 0CN2[...]

- 24 - LOCA. NO P ART NO DESCRIPTION C636 C802 C803 C804 C806 C809 C810 C81 1 C813 C815 C817 C819 C820 C821 C822 C823 C824 C825 C826 C827 C828 C829 C830 C831 C833 C834 C835 C837 C838 C839 C840 C843 C845 C846 C868 C901 C902 C903 C904 L101 L103 L12 L1203 L1204 L1243 L1244 L401 L402 L501 L502 0CF3341L438 0CQZVBK002A 0CE337KV6A0 0CK10201515 0CK10201515[...]

- 25 - LOCA. NO P ART NO DESCRIPTION R1231 R124 R125 R126 R127 R201 R202 R209 R210 R21 1 R212 R24 R25 R26 R28 R29 R30 R301 R302 R303 R304 R305 R306 R307 R308 R308 R309 R31 R310 R312 R313 R314 R315 R316 R317 R318 R319 R32 R320 R321 R322 R323 R324 R325 R326 R328 R33 R35 R37 R38 R401 R403 0RD2200A609 0RD2202F609 0RD2700A609 0RD1000F609 0RD1000F609 0RD[...]

- 26 - LOCA. NO P ART NO DESCRIPTION R606 R607 R608 R609 R610 R61 1 R612 R613 R614 R615 R616 R617 R618 R619 R620 R621 R622 R623 R624 R664 R802 R803 R804 R805 R806 R807 R808 R809 R814 R816 R817 R823 R825 R827 R828 R831 R838 R840 R841 R842 R843 R844 R845 R846 R847 R858 R901 R902 R903 R906 R907 R908 0RD3301F609 0RD1002F609 0RD1001F609 0RD1000F609 0RD1[...]

P/NO: 3854V A0146A - S1 2004.4.16[...]

SV C. SHEET : 3854V A0146A-S[...]

Jun.,2004 Printed in Korea P/NO : 3828VD0178U[...]