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COLOR TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : MC-019A

MODEL : CE/CL-21M64KX/KEX

MODEL :

CE/CL-21M66KX/KEX

website:http://biz.LGservice.com

e-mail:http://www.LGEservice.com/techsup.html

Содержание CE-21M64KEX

Страница 1: ...UAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 019A MODEL CE CL 21M64KX KEX MODEL CE CL 21M66KX KEX website http biz LGservice com e mail http www LGEservice com techsup html ...

Страница 2: ... 3 Servicing Precautions 4 Specifications 6 Description of Controls 7 Disassembly Instructions 10 Adjustment 11 Purity Convergence Adjustment 14 Block Diagram 17 Exploded View 18 Exploded View Parts List 19 Replacement Parts List 20 SVC Sheet ...

Страница 3: ...perform an AC leakage current check on the exposed metallic parts of the cabinet such as antennas terminals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on positioin connect one lead of...

Страница 4: ...s are integrated circuits and some fieldeffect transistors and semicounductor chip components The following techniques should be used to help reduce the incidence of component damage caused by static by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electostatic charge on your body by touching a known earth ground Alter...

Страница 5: ...the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect on the circuit board copper side the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the ...

Страница 6: ...SD On Screen Display EASY MENU O Voice coil impedance 8 ohm O Sound output 7W 2 MAX Dual Stereo A2 NICAM Option O External connection Head Phone Jack A V in 2 PERI Connector Full Scart 1 DVD in O External In Output Audio In 0 5Vrms 3dB over 10Kohm Audio Out 0 5Vrms 3dBb below 1Kohm Video In Out 1Vp p 3dB 75ohm DVD In Y 1Vp p 3dB Pb Pr 0 7Vp p 3dB O Feature Auto programme Manual programme CSM Color...

Страница 7: ... sound output 5 EYE option switches the eye function on or off 6 Programme Up Down selects a programme or a menu item switches the set on from standby scans programmes automatically F F G G Volume Up Down adjusts the volume adjusts menu settings OK accepts your selection or displays the current mode 7 TELETEXT BUTTONS option These buttons are used for teletext For further details see the Teletext ...

Страница 8: ...r teletext only TELETEXT models or programme edit Battery installation The remote control handset is powered by two AAA type batteries To load the batteries turn the remote control handset over and open the battery compartment Install two batteries as indicated by the polarity symbols and marked inside the compartment Note To avoid damage from possible battery leakage remove the batteries if you d...

Страница 9: ... AUDIO VIDEO IN SOCKETS AV option Connect the audio video out sockets of external equipment to these sockets Note If both the input jacks on the front side panel and back panel have been connected to external equipments simultane ously only the input jacks on the front side panel can be received 7 HEADPHONE SOCKET option Connect the headphone plug to this socket 8 TURBO SOUND PICTURE option switch...

Страница 10: ...oval 1 Pull out the CPT board from the CPT neck 2 Place the front cabinet on soft material not to mar the front surface or damage control knobs 3 Remove 5 screws securing the picture tube mounting brackets to the front cabinet 4 Carefully separate CPT from the front cabinet PICTURE TUBE HANDLING CAUTION Due to high vacuum and large surface area of picture tube great care must be exercised when han...

Страница 11: ... SVC mode 2 Press the Yellow button several times to find OPTION 1 or OPTION 2 3 Input the correspond OPTION data referring to Table below with the numeric buttons 4 Press the OK V button to memorize the data Table 1 OPTION 1 Function Table 2 OPTION 2 Function Table 3 OPTION 3 Function ADJUSTMENT 21 FCD 12 FLAT 14 16 CPT 8 15 CPT 10 FLAT 20 21 CPT 12 CDL Data Remark 0 1 0 1 0 1 0 1 0 1 SCART TOP 2...

Страница 12: ...Press Channel UP DOWN button for desirous function adjustment 5 Adjust VOL or VOL button in each status of RG BG for X 272 8 Y 288 8 with color analyzer Europe Model X 288 8 Y 295 X 272 8 11 000K 7 Press the OK V button to memorize the data Test Point AGC TP C101 Adjust Remote Controller Tuner P N Marker AGC Voltage 6700VPF009G LG Innotek W S TUNER 2 7 0 05V 6700VPF016A DAEWOO W S TUNER 2 7 0 05V ...

Страница 13: ... is in accord with geometric horizontal center of the CPT VA Vertical Amplitude Adjust so that the circle of a digital circle pattern may be located within the effective screen of the CPT SC Vertical S Correction Adjust so that all distance between each horizontal lines are to be the same VS Vertical Shift Adjust so that the horizontal center line of a digital circle pattern is in accord with geom...

Страница 14: ...mpletely forward 5 Reconnect the internal degaussing coil 6 Position the beam bender locking rings at the 9 o clock position and the other three pairs of tabs 2 4 and 6 pole magnets at the 12 o clock position 7 Perform the following steps in the order given to prepare the receiver for the purity adjustment procedure a Face the receiver in the magnetic north direction b Externally degauss the recei...

Страница 15: ...e internal degaussing coil 9 Turn on the receiver connect a signal generator to the VHF antenna terminal and apply a crosshatch signal Caution During the convergence adjustment procedure be very careful not to disturb the purity adjustment tabs are accidentally move purity should be confirmed before proceeding with the convergence adjustments Note Make sure the focus is set correctly on this instr...

Страница 16: ... and blue horizontal lines Fig upper right 17 Temporarily place a rubber wedge at the 5 o clock and 7 o clock positions to hold the horizontal position of the yoke 18 Check the 3 o clock and 9 o clock areas to confirm that the red and blue vertical lines are converged If the lines are not converged slightly offset the horizontal tilt of the yoke move the temporary rubber wedges if necessary to equ...

Страница 17: ...7266 97 STEREO Sound Max SOUND AMP TDA7266 97 IC131 5V REG Option Part IIC Bus Line TDA9381 Non TXT Audio Mono TV OUT 28 33 21 22 38 Sound Trap Part Video OUT TV MNT OUT 50 42 51 53 STEREO B01K A13P MONO B01L 10 12 9 5 3 9 8 10 2 6 14V 1 ST BY TRANS 3W Opt SPK L OUT 24 25 47 44 AUDIO AM IN L L Only 30 39 31 40 28 30 14 39 8V From IC844 14 39 39 3 3V Reg 5V From IC842 3 3V 8V From IC844 IC844 8V RE...

Страница 18: ... 18 EXPLODED VIEW 943 400 300 330 320 310 120 913 170 150 153 112 174 520 OPTION 700 ...

Страница 19: ...PRING 330 5020V00489A BUTTON 400 3809V00149C BACK COVER ASSEMBLY SCART 520 3141VMN850J CHASSIS ASSY MAIN 019A W 3W 3141VMN850K CHASSIS ASSY MAIN 019A W O 3W 3141VMNP07E CHASSIS ASSY MAIN 019A 21M64 3141VMN850N CHASSIS ASSY MAIN 019A CL 21M66KEX 3141VMN738L CHASSIS ASSY MAIN 019A CL 21M66KX 3141VMNP07F CHASSIS ASSY MAIN 019A CE 21M66KEX 3141VMNP07J CHASSIS ASSY MAIN 019A CE 21M66KEX 3141VMN850P CHA...

Страница 20: ...IER BAV21 TP DIODE RECTIFIER BAV21 TP DIODE RECTIFIER 1N4004A DIODE RECTIFIER BRIDGE D2SBA60 STK HOLDER LED MODULE ASSY 4PIN DIODE ZENER MTZJ9 1B DIODE ZENER GDZJ5 1B TP GRANDE DO34 0 5W 5 DIODE ZENER GDZJ6 2B TP GRANDE DO34 0 5W 6 LOCA NO PART NO DESCRIPTION ZD442 ZD443 ZD501 ZD601 Q01 Q101 Q123 Q301 Q402 Q442 Q551 Q555 Q571 Q621 Q651 Q653 Q671 Q672 Q801 Q802 Q803 Q806 C01 C02 C03 C04 C05 C07 C21...

Страница 21: ... DESCRIPTION C605 C606 C607 C612 C621 C622 C623 C624 C625 C626 C661 C662 C663 C664 C665 C666 C667 C668 C669 C670 C671 C672 C673 C674 C675 C678 C679 C680 C681 C682 C683 C684 C685 C686 C687 C688 C689 C690 C801 C802 C803 C804 C806 C807 C808 C809 C811 C812 C813 C814 0CQ4721N509 0CF2241L438 0CN1030F679 0CE477DH618 0CE477DJ618 0CQ6821N509 0CE225DK618 0CE106DH618 0CE477DJ618 0CQ1041N509 0CE226DK618 0CX47...

Страница 22: ...1 L662 L663 L801 L901 L1202 L1203 R443 R545 R546 R547 T401 T402 T802 T803 P301 P802 P902 P903 P1204 C546 D813 FR441 FR442 FR443 FR802 FR803 J30 J33 J39 J69 J101 J149 J154 L01 L10 L210 R01 R03 R04 R05 R06 R07 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K049 0LA0102K119 0LA0102K119 0LA0102K119 150 C02F 150 C02A 0LA0102K119 0LA0102K119 0LA0101K119 0LA0681K119 0LA0681K119 0LA0681K119 6174V ...

Страница 23: ...04 R506 R518 R521 R522 R523 R524 R537 R538 R539 R540 R542 R544 R551 R552 R558 R559 R572 R573 R601 R602 R604 R606 R608 R609 R610 R611 R621 R622 R623 R624 R625 R626 R627 R628 R651 R652 R662 R663 R664 R665 R666 R667 R670 R671 0RD4701A609 0RD0822H609 0RS4702H609 0RS2702K607 0RS2702H609 0RD2202F609 0RD1002F609 0RN3902F409 0RD1001F409 0RD3302F609 0RD1000F609 0RD2702F609 0RD1003F609 0RD3001F609 0RD1000F6...

Страница 24: ...220 OHM 1 2 W 7 0 5 00 TA52 RWR 7W 1 0 OHM J PD SWITCH TACT SKHV17910B LG C D NON 12V SWITCH TACT SKHV17910B LG C D NON 12V SWITCH TACT SKHV17910B LG C D NON 12V SWITCH TACT SKHV17910B LG C D NON 12V SWITCH TACT SKHV17910B LG C D NON 12V SWITCH TACT SKHV17910B LG C D NON 12V SWITCH SDKEA3 ALPS IEC 250V 8A HORIZO FILTER CIRC EMC BI3857 FEELUX 5 7X3 6MM FILTER CIRC EMC BI3857 FEELUX 5 7X3 6MM FILTER...

Страница 25: ...P NO 3854VA0083B S 2001 04 20 ...

Страница 26: ...529 D4 C530 C4 C531 C4 C532 B2 C534 C4 C535 C4 C536 C4 C538 C3 C540 C4 C541 C4 C542 C4 C543 C3 C544 C3 C545 C3 C546 C3 C548 D4 C549 C4 C551 D4 C552 D4 C553 D3 C561 C4 C573 E5 C574 E5 C593 C3 C594 C4 C595 C1 C601 B3 C602 B2 C603 B2 C604 B3 C605 B2 C606 A2 C607 B3 C611 B3 C612 B3 C621 A2 C622 A3 C623 A3 C624 B2 C625 A2 C626 A2 C631 D1 C632 D2 C633 D1 C634 C1 C635 D1 C636 C1 C637 C1 C638 C1 C639 C2 C...

Страница 27: ...SVC SHEET 3854V A0083A S SVC SHE ...

Страница 28: ...Jan 2003 Printed in Korea P NO 3828VD0107E ...

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