LG RF-21FB30VX Скачать руководство пользователя

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EXPLODED VIEW PARTS LIST

LOCA. NO

PART NO

DESCRIPTIONS

104

343-B40A

SUPPORTER,PCB

112

6334V21004B

CPT A51QDX992X 0G[V] 0G[H] SSDI BA

6341V21009B

CPT ASSY A51QDX992X

120

6400GESS01B

SPEAKER,FULLRANGE F27C6380-1

6400GESS01A

SPEAKER,FULLRANGE C070P01K1450

121

4810V00576A

BRACKET,SPEAKER

150

150-D02N

COIL,DEGAUSSING,CU 21” 60T 12 OHM

150-D02X

COIL,DEGAUSSING

153

6150V-1019C

DY DIF-2192AA(NF5) 21” SAMSUNG .

6150V-1014G

DY QPC-E5409A

170

170-A01N

CPT EARTH 21” 64T 2LUG 1P HSG

174

6410VEH001D

POWER CORD VCTFK(2.1M) DOOPUNG VDE/SEMKO

174-009E

POWER CORD

300

3091V00435F

CABINET ASSY CKD STEREO MC019A

3091V00435G

CABINET ASSY MONO

310

5020V00669C

BUTTON,CONTROL

320

320-062E

SPRING,KNOB

330

5020V00668B

BUTTON,POWER

400

3809V00295F

BACK COVER ASSY CKD DVD(1PHONE) .

3809V00295G

BACK COVER ASSY 1PHONE

3809V00295C

BACK COVER ASSY

520

6871VMM765S

PWB ASSY,MAIN 019A

6871VMM767E

PWB ASSY,MAIN 019A(LGEMT,COM)

6871VMM886L

PWB ASSY,MAIN 019A RT-21FB30M

6871VMM886H

PWB ASSY,MAIN 019A RT-21FB30M

6871VMM886M

PWB ASSY,MAIN 019A RT-21FB30M

913

332-057B

SCREW ASSY,HEXAGON HEAD

943

1PTF0403116

SCREW,TAP TITE(P) D4.0 L16.0 MSWR3/FZB

The components identified by mark is
critical for safety.
Replace only with part number specified.

Содержание RF-21FB30VX

Страница 1: ...SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 019A MODEL RF 21FB30VX MODEL RT 21FB30V VX M MX website http biz LGservice com e mail http www LGEservice com techsup html Aug 2002 Printed in Korea P NO 3828VD0126E ...

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: ...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: ...el have been connected to external equipments simultaneously only the input jacks on the front side panel can be received 10 HEADPHONE SOCKET option Connect the headphone plug to this socket 11 EYE option adjusts picture according to the sur rounding conditions 12 TURBO SOUND PICTURE option switches Turbo sound or Turbo picture function on or off Note Do not place any heavy objects over 4Kg on the...

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: ... 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 Æ 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 IN ...

Страница 12: ...hannel 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 Æ button to memorize the data Test Point AGC TP C101 Adjust Remote Controller 12 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 Tune...

Страница 13: ... 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 geometric horizontal c...

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

Страница 19: ...2 1M DOOPUNG VDE SEMKO 174 009E POWER CORD 300 3091V00435F CABINET ASSY CKD STEREO MC019A 3091V00435G CABINET ASSY MONO 310 5020V00669C BUTTON CONTROL 320 320 062E SPRING KNOB 330 5020V00668B BUTTON POWER 400 3809V00295F BACK COVER ASSY CKD DVD 1PHONE 3809V00295G BACK COVER ASSY 1PHONE 3809V00295C BACK COVER ASSY 520 6871VMM765S PWB ASSY MAIN 019A 6871VMM767E PWB ASSY MAIN 019A LGEMT COM 6871VMM88...

Страница 20: ... K DO34 0 5W 9 DIODE ZENERS GDZJ5 1B TP GRANDE DO34 0 5W 5 DIODE ZENERS GDZJ6 2B TP GRANDE DO34 0 5W 6 DIODE ZENERS GDZJ8 2B TP GRANDE DO34 0 5W 8 DIODE ZENERS GDZJ33B TP GRANDE DO34 0 5W 33 DIODE ZENERS GDZJ8 2B TP GRANDE DO34 0 5W 8 LOCA NO PART NO DESCRIPTION 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...

Страница 21: ...612 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 C803 C804 C806 C807 C808 C809 C811 C812 C813 C815 0CE107DF618 0CQ1021N509 0CE475DK618 0CQ1041N509 0CE475DK618 0CE226DF618 181 007F 0CQ6821N509 0CQ6821N509 181 007F 0CN1030F679 0CE477DH618 0CE477DJ618 0CQ6821N509 0CE225DK618 0CE106DH618 0CE477DJ618 0CQ1041N509 0CE226...

Страница 22: ...ORMER SMPS EER3940 500UH LOCA NO PART NO DESCRIPTION P01A P301 P601 P802 P902 P903 C531 C546 D813 FR441 FR442 FR443 FR802 FR803 FR901 J30 J33 J39 J67 J81 J149 J154 L01 L10 L251 L252 L631 R01 R03 R04 R05 R06 R07 R09 R10 R11 R12 R15 R16 R17 R19 R21 R22 R23 R25 R26 R27 366 932B 366 043K 366 932B 366 043B 387 603E 366 009D 0RD1103F609 0RD1103F609 0RS0272H609 0RF0470J607 0RF0151J607 0RF0470J607 0RF0470...

Страница 23: ... R402 R442 R444 R446 R447 R450 R451 R453 R455 R456 R501 R502 R503 R504 R505 R506 R518 R521 R522 R523 R524 R525 R526 R537 R538 R539 R540 R542 R544 R548 R551 R552 R553 R554 R555 R556 R557 R558 R572 R573 R601 R602 R604 R608 R608 R610 R611 R621 0RD4701H609 0RD2201F609 0RD1002F609 0RD1501H609 0RS2702K607 0RD5100H609 0RD0392H609 0RD1001F609 0RD2401F609 0RD4701H609 0RD1200H609 0RS5602H609 0RS2702K607 0RS...

Страница 24: ...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 PUSH SDKEA3 ALPS IEC 250V 8A HORIZO FILTER CIRC EMC BI3857 FEELUX 5 7X3 6MM FILTER CIRC EMC BI3857 FEELUX 5 7X3 6MM LOCA NO PART NO DESCRIPTION FB803 T551 T552 T553 T801 X01 Z102 Z551 A1 A2 A2 ...

Страница 25: ...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 26: ...P NO 3854VA0083A S 2001 04 20 ...

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

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