LG CF-14 Скачать руководство пользователя страница 18 | Manualshive

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Содержание CF-14

Страница 1: ...TY PRECAUTIONS IN THIS MANUAL CHASSIS MC 019A MODEL CF 14 20 21D70K CF 14D10K MODEL CF 20F60K CF 21F30K MODEL CF 20 21S31KE KEX MODEL CF CT 14 20 21K50KE 53KE website http biz LGservice com e mail http www LGEservice com techsup html Jan 2002 Printed in Korea P NO 3828VD0104T ...

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 30 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: ...s 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 6 Q VIEW returns to the previously viewed programme selects a favorite programme 7 TELETEXT BUTTONS option These buttons are used for teletext For further details see the Teletext section ...

Страница 8: ...e used for 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...

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 14 20 21D70K 913 112 153 170 150 943 400 120 310 104 120 300 320 330 174 520 ...

Страница 19: ...00231D 3091V00232A 300 D33W CABINET ASSY 310 5020V00002A 441 714A 5020V00002A BUTTON CONTROL 320 320 070G 320 062E 320 070G SPRING COIL 330 5020V00001A 441 715A 5020V00001A BUTTON POWER 400 3809V00014M 303 M33P 303 M33P BACK COVER ASSY PHONE LOCA 520 6871VMMA42X 6871VMMA42V 6871VMMA42W PWB ASSY MAIN 913 332 057A 332 057B 332 057B SCREW ASSY HEXAGON HEAD 943 1PTF0403116 1PTF0403116 1PTF0403116 SCRE...

Страница 20: ... 20 EXPLODED VIEW 14D10K 913 112 153 170 150 943 400 174 520 316 310 330 320 315 300 120 ...

Страница 21: ...70 A01E CPT EARTH 174 6410VEH001C POWER CORD 300 3091V00056W CABINET ASSY 310 441 419A BUTTON CONTROL 315 316 445P WINDOW DISPLAY 316 316 446A WINDOW FILTER TOP 320 320 070G SPRING COIL 330 441 420A BUTTON POWER 400 303 J13S BACK COVER ASSY 520 6871VMMA42S PWB ASSY MAIN 6871VMMA30N PWB ASSY MAIN 913 332 057B SCREW ASSY HEXAGON HEAD 943 1PTF0403116 SCREW TAP TITE P D4 0 L16 0 The components identif...

Страница 22: ... 22 EXPLODED VIEW 20F60K 310 300 330 320 120 943 400 913 170 150 153 112 174 520 ...

Страница 23: ...U 20 60TURN 15 OHM 170 170 A01D LEAD SET CPT EARTH 174 6410VEH001B POWER CORD 300 3091V00336H CABINET ASSEMBLY 310 5020V00175A BUTTON 320 320 062H SPRING COIL 330 5020V00174A BUTTON 400 3809V00172M BACK COVER ASSY PHONE 520 6871VMMA39E PWB ASSY MAIN 913 332 057B SCREW ASSY HEXAGON HEAD 943 1PTF0403116 SCREW TAP TITE P D4 0 L16 0 The components identified by mark is critical for safety Replace only...

Страница 24: ... 24 EXPLODED VIEW 14 20 21K50KE 53KE 310 320 120 400 943 104 330 300 913 112 153 170 150 174 520 ...

Страница 25: ...L CABINET ASSEMBLY CASA 310 5020V00189B 5020V00158A 5020V00158A BUTTON CONTROL 320 320 062H 320 062E 320 062E SPRING KNOB 330 5020V00188B 5020V00161A 5020V00157C BUTTON POWER 400 3809V00091M 3809V00069F 3809V00069F BACK COVER ASSEMBLY 3809V00091R 3809V00069X 3809V00069X BACK COVER ASSEMBLY CASA 520 6871VMMA35R 6871VMMA35Q PWB ASSY MAIN CF K53KE 6871VMM766U 6871VMM766T 6871VMM766S PWB ASSY MAIN CT ...

Страница 26: ... 26 EXPLODED VIEW 21F30K 913 112 153 170 150 400 943 104 300 120 330 320 310 174 520 ...

Страница 27: ...0TURN 12 OHM 153 153 110F DY DCAN1 21FSAA 170 170 A01D LEAD SET CPT EARTH 174 6410VEH001B POWER CORD 300 3106V00037F CABINET UNIT 310 5020V00108A BUTTON CONTROL 320 320 075B SPRING KNOB 330 5020V00107A BUTTON 520 6871VMMA41R PWB ASSY MAIN 913 332 057B SCREW ASSY HEXAGON HEAD 943 1PTF0403116 SCREW TAP TITE P D4 0 L16 0 The components identified by mark is critical for safety Replace only with part ...

Страница 28: ... 28 EXPLODED VIEW 14 20 21S31KEX 943 913 153 150 121 120 700 315 530 320 330 310 340 300 170 112 400 174 520 ...

Страница 29: ...OL 320 320 062E 320 062H 320 070S SPRING COIL 330 5020V00455A 5020V00304A 5020V00306A BUTTON 340 5020V00307A 5020V00308A BUTTON TURBO 2KEY 400 3809V00217C 3809V00122B 3809V00122B BACK COVER ASSEMBLY CKD PHONE 3809V00122E BACK COVER ASSEMBLY CKD SCART 520 6871VMM814X 6871VMMA41W 6871VMMA41T PWB ASSY MAIN 6871VMMA31K PWB ASSY MAIN W TXT 530 6871VSM996C 6871VSM996B PWB ASSY S W 019A TURBO P S 700 0IG...

Страница 30: ...H DIODE RECTIFIER TVR06J TP DIODE D4L20U SH LOCA NO PART NO DESCRIPTION D901 D902 D903 D904 DB801 LD01 ZD01 ZD101 ZD441 ZD442 ZD443 ZD501 ZD601 ZD901 Q01 Q102 Q103 Q211 Q212 Q213 Q214 Q215 Q216 Q301 Q402 Q442 Q551 Q552 Q553 Q554 Q555 Q571 Q621 Q651 Q801 Q802 Q806 C01 C02 C03 C04 C05 C07 C21 C51 C101 C102 C107 C109 C110 0DR210009AC 0DR210009AC 0DR210009AC 0DR140049AC 0DD260000BB 4930V00183B 0DZ9100...

Страница 31: ...K POLY TP LOCA NO PART NO DESCRIPTION C532 C534 C538 C540 C541 C542 C548 C549 C551 C561 C573 C574 C593 C594 C601 C602 C603 C605 C606 C607 C612 C621 C622 C623 C624 C625 C626 C631 C632 C633 C634 C635 C636 C637 C638 C639 C640 C641 C642 C643 C644 C645 C646 C653 C655 C801 C802 14 C803 C804 0CE225DK618 0CN1030F679 181 007H 0CN2230H949 0CN2230H949 0CN2230H949 0CN8210K519 0CN3310K519 0CQ4721N509 0CQ1221N4...

Страница 32: ...6 21 D813 FR441 FR442 14 21 FR443 FR802 FR803 FR901 J30 J33 J39 J114 J149 J154 L01 L10 L631 R01 R03 R04 R05 R06 R07 R09 R10 R11 R12 R15 R16 R17 R19 R21 0LA0101K119 0LA0681K119 0LA0681K119 0LA0681K119 6174Z 6040C 6170VC0003C 151 A13P 6170VMCB01L 366 921B 366 043K 366 921B 366 921C 366 043B 387 603E 366 009D 0RD1103F609 0RD1503F609 0RS0272H609 0RS0392H609 0RF0470J607 0RF0101K607 0RF0121J607 0RF0121K...

Страница 33: ...R304 R305 R306 14 21 R307 21 R310 R311 R312 R313 R401 R402 R442 R444 R446 R447 14 21 R450 R451 14 R453 14 21 R455 R456 14 21 R501 R502 R503 R504 R505 R506 R518 R521 R522 R523 R524 R525 R526 R537 R538 R539 R542 R544 R551 0RD0101F609 0RN1201F409 0RN1501F409 0RD0221H609 0RD0271H609 0RD0221H609 0RS2200K607 0RS2700K607 0RS2700K607 0RS2700K607 0RD1201F609 0RD1501F609 0RD1801F609 0RD4701H609 0RD2201F609 ...

Страница 34: ... OHM 1 2 W 5 00 TA52 7 5 OHM 1 2 W 5 00 TA52 2K OHM 1 6 W 5 00 TA52 220 OHM 1 6 W 5 00 TA52 220 OHM 1 6 W 5 00 TA52 220 OHM 1 6 W 5 00 TA52 220 OHM 1 6 W 5 00 TA52 220 OHM 1 6 W 5 00 TA52 100 OHM 1 6 W 5 00 TA52 100 OHM 1 6 W 5 00 TA52 LOCA NO PART NO DESCRIPTION R908 R909 R910 R911 R912 RC801 SW01 SW02 SW03 SW04 SW05 SW06 SW07 SW08 SW801 FB801 FB802 FB803 L611 T551 T552 T801 X01 Z102 Z551 A1 A2 A...

Страница 35: ...P NO 3854VA0083A S 2001 04 20 ...

Страница 36: ...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 37: ...SVC SHEET 3854V A0083A S SVC SHE ...

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