LG Electronics 29FX6ALX manuale d’uso

COLOR TV SER VICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : CW62A MODEL : 29FX6ALX MODEL : 29FX6ALX-ZG 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 ......................................................................[...]

- 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 - 8. F A VOURITE selects a favorite programme. 9. EYE/ * (option) switches the eye function on or off. 10. MUTE switches the sound on or off. 1 1. TV/A V selects TV or A V mode. switches the set on from standby . exits the T eletext mode 12. I/II/ * selects the language during dual language broadcast. selects the sound output (option). 13. Q.VI[...]

- 6 - 1. MAIN POWER (ON/OFF) switches the set on or off. 2. POWER/ST ANDBY INDICA TOR illuminates brightly when the set is in standby mode. 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 (V olume Down/Up) adjusts the volume. adjusts menu settings. D D / E E (Programme U[...]

- 7 - SPECIFICA TIONS Note : Specification and others are subject to change without notice for improvement. V Scope This specification can be applied to all the television related to CW62A Chassis. V 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, CW62A. 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 co[...]

(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[...]

(6) EW WIDTH Adjust until the outmost left and right lattice of received pattern is accord with 25% of other lattice width. (7) EW PARABOLA Adjust so that middle portion of the outermost left and right vertical line look like parallel with vertical lines of the CPT. (8) EW UPCORNER & (9) EW LOCORNER After finished cushion adjustment, adjust ver[...]

9. Service adjustment data table <Table 5> Picture setting service data1 (SERVICE 1) <Table 6> Picture setting service data2 (SERVICE 3) <Table 7> OPTION 1, 2, 3, 4 - 1 1 - AGC RG GG BG BLO-R BLO-G CDL L-DLY PEAK SHOOT ITEM DESCRIPTION ACG take over Red Gain Green Gain Blue Gain Black level offset Red Black level offset Green Cath[...]

<Table 8> OSD & TEXT LANGUAGES - 1 2 - SOUTHEAST ASIA EAST EU CYRILLIC TEXT WEST EU GREEK TEXT 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 0 1 2 3 4 5 6 7 0 1 0 1 2 3 4 5 6 0 1 2 3 4 5 6 7 8 9 10 11 0 1 ENGLISH RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED ENGLISH EAST EU ALL ENGLISH RUSSIAN RESERVED RESERVED RESERVE[...]

- 1 3 - ARAB TEXT PARSI TEXT SOUTHEAST W/O TEXT WEST EU W/O TEXT EAST EU W/O TEXT ARAB W/O TEXT CHINA, INDIA W/O TEXT 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 ENGLISH ARABIC PARSI ARAB ALL RESERVED RESERVED RESERVED RESERVED The same ARAB TEXT The same SOUTHEAST ASIA TEXT The same WEST EU GREEK TEXT The same EAST EU CYRILLIC TEXT The same ARAB TEXT ENGLISH [...]

TROUBLE SHOO TING - 1 4 - 1. RF-STEREO MODEL 1) PICTURE OK / NO SOUND Check/ Replace TU101 or Input signal NO OK Selected correct system in menu Check the waveform IF 1 of TU101 Check the voltage at pin 3, 9, 16, 43, 86, 88, 90 of UOCIII NO Check/ Replace IC501 NO Check the voltage at pin 57, 58 of UOCIII NO OK Check the waveform at pin 4, 5 of IC5[...]

- 1 5 - 3) No Raster (2/2) Check the in/out of regulator(IC822, IC823, IC824) Check pin 73 of IC501(H_Out) Check the voltage of C832 Check/ Replace Fuse Is the voltage each pin voltage of IC501 Check Fuse of AC line Check/ Replace IC501 Check T401 & each pin voltage Check Q401collect waveform Check & Replace T402 Check the voltage pin4 of I[...]

- 1 6 - 4) No Picture/ No Sound Is any OSD displayed? OK NO NO OK OK NO NO OK OK NO OK OK OK P13A (R, G, B out of IC501) P13A (R, G, B out of IC501) Replace IC501 Check pin8, 12 SCL, SDA Check IC12(EEPROM) & SCL, SDA, Line Check pin3 Reset Voltage Check IC501 pin 83, 84, 85 (R, G, B out) Check SMPS Trans Secondary Voltage Go to No sound/ pictur[...]

- 1 7 - 2. A V STEREO/ MONO MODEL Select correct system in menu OK OK OK OK NO NO Does the auto - Program operate properly Check TU101 Tuner Check the voltage of pin3, 9, 16, 43, 86,88,90 of IC501 Check the waveform at pin57, 58 of IC501 OK Check the signal line of SPK-N,P Check the waveform at pin4, 12, of IC601 NO NO OK Check pin5 (mute) of IC501[...]

- 1 8 - PRINTED CIRCUIT BOARD MAIN[...]

- 1 9 - SIDE-A/V HARMONIC SMPS CONTROL LED POWER[...]

BLOCK DIAGRAM - 2 0 -[...]

- 2 1 - EXPLODED VIEW 913 170 150 112 174 501 520 400 943 550 580 120 300 310 530 330 540 590 600 700[...]

- 2 2 - EXPLODED VIEW P AR TS LIST LOCA. No. PART No. DESCRIPTIONS 112 6334V29010B CPT,Bare A68QCU770X 000MGB 29INCH FLAT 5/4 48KHZ 6335V29029A CPT,ITC A68QCU770X 770LGF 29INCH FLAT 0.0_0.5G 4/3 16KHZ 120 6400VA0025D Speaker,Fullrange C163A01K1450 - 15W 8OHM 86DB 110HZ 150 6140VC2007F Coil,Degaussing RT-29FB75V 16OHM AL 55T 0.65mM SQUARE 29INCH 170[...]

- 2 4 - REPLA CEMENT P AR TS LIST LOCA. NO P ART NO DESCRIPTION D406 D407 D414 D444 D606 D815 D818 D820 D823 D826 D828 D829 D845 D846 D847 D901 D902 D903 D904 DB801 ZD10 ZD101 ZD401 ZD402 ZD501 ZD502 ZD601 ZD827 ZD910 ZD91 1 ZD912 C103 C107 C108 C109 C 1111 C1 12 C1 13 C1 14 C1 15 C1201 C1202 C1501 C17 C201 C202 C203 0DRTW00164B 0DD060009AC 0DRTW00[...]

- 2 5 - LOCA. NO P ART NO DESCRIPTION C204 C205 C206 C207 C208 C209 C210 C212 C213 C214 C215 C217 C219 C224 C225 C270 C271 C301 C302 C303 C304 C306 C307 C308 C309 C310 C402 C403 C404 C405 C408 C41 1 C412 C413 C414 C415 C416 C417 C419 C420 C421 C422 C423 C427 C463 C501 C502 C503 C504 C505 C506 C509 0CN4710K519 0CN1010K519 0CN1010K519 0CN4710K519 0CE[...]

- 2 6 - LOCA. NO P ART NO DESCRIPTION C596 C596 C597 C599 C602 C603 C604 C605 C607 C609 C61 1 C807 C808 C809 C81 1 C812 C813 C814 C816 C818 C820 C821 C822 C823 C826 C829 C830 C831 C833 C834 C835 C836 C837 C838 C839 C840 C841 C842 C843 C844 C846 C848 C849 C851 C858 C860 C861 C901 C903 C904 C906 C910 0CN1040K949 0CN2230H949 0CE106DF618 0CN2230H949 0C[...]

- 2 7 - LOCA. NO P ART NO DESCRIPTION P201B P401 P403A P601 P602 P902B PP801 FR403 FR404 FR405 FR901 J230 J231 L1501 L203 L208 L214 L215 L216 L217 L510 R101 R103 R1 10 R1 1 1 R1 12 R1 146 R1 147 R1 148 R1 149 R1 150 R1 17 R1 19 R120 R121 R15 R1501 R1502 R1503 R201 R201 R202 R203 R204 R205 R206 R207 R209 R212 R213 387-A06J 366-043K 6631V25A16G 366-9[...]

- 2 8 - LOCA. NO P ART NO DESCRIPTION R435 R438 R440 R448 R506 R506 R507 R507 R509 R510 R51 1 R512 R513 R514 R515 R516 R518 R519 R521 R525 R534 R535 R536 R537 R538 R539 R540 R543 R545 R547 R548 R549 R550 R551 R552 R553 R554 R554 R555 R556 R557 R563 R566 R567 R569 R569 R572 R580 R581 R582 R583 R584 0RS2700K607 0RS0221K619 0RMZVBK002D 0RS0221K619 0RD[...]

R902 R903 R906 R907 R908 R909 R910 R91 1 R912 R920 R925 SW1 101 SW1 102 SW1 103 SW1 104 SW1 105 SW1 106 SWP801 SG901 SG902 SG903 SG904 SG91 1 SG912 SG913 FB401 FB802 FB803 FB833 FB844 FB845 FB846 T1 1 1 1 T803 X01 Z101 Z102 JK1203 JK201 JK202 FP801 LD1501 R855 SK901 SW TH801 TU101 VD1 1 1 1 A1 A2 - 2 9 - LOCA. NO P ART NO DESCRIPTION 0RD2200F609 0R[...]

P/No : 38549D0024A 2006.01.20[...]

May, 2006 Printed in Korea P/NO : 38289S0051Y[...]