LG RF-20CC20M Service Manual Download

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LOCA. NO PART NO DESCRIPTION

L102

L210

L402

L501

L502

L503

L506

L551

L611

L801

R443

R545

R546

R547

T402

T802

P1205

P1206

P902

C546

D813

F811

F812

FR441

FR442

FR443

FR802

FR803

J149

J154

J30

J33

J39

J67

J69

J81

L01

L10

L251

L252

L631

R01

R03

0LA0680K119

0LA0102K119

150-L02C

0LA0102K119

0LA0681K119

0LA0102K049

150-C02F

0LA0101K119

0LA0681K119

6170VC0003C

6170VMCB01K

6170VMCB01L

387-A10E

387-A10H

387-A05E

387-A05H

387-603E

0RD1103F609

0RS0272H609

0RP0020J809

0RP0050H709

0RF0470J607

0RF0101K607

0RF0121J607

0RF0121K607

0RF0470J607

0RF0470H609

0RF0470K607

0RD1001F609

0RD1101F609

0RD2200F609

0RD1001F609

0RD1500F609

0RD1000F609

0RD1500F609

0RD0102F609

0RD2200F609

0RD1002F609

0RD1000F609

INDUCTOR,0.68UH K 2.3*3.4 TP

INDUCTOR,10UH K 2.3*3.4 TP

COIL,170UH PHY TURN

INDUCTOR,10UH K 2.3*3.4 TP

INDUCTOR,6.8UH K 2.3*3.4 TP

INDUCTOR,10UH 10% TP 5.0X14 TA52

COIL,82UH PHY TURN

INDUCTOR,1.0UH K 2.3*3.4 TP

INDUCTOR,6.8UH K 2.3*3.4 TP

TRANSFORMER,DRUM 75UH 10X12

TRANSFORMER,EER4215 340UH MC019A

TRANSFORMER,EER3940 500UH MC019A

10P 2.5MM 300MM H-B UL1007AWG26

10P 2.5MM 450MM H-B UL1007AWG26

5P 2.5MM 300MM H-B UL1007AWG26

5P 2.5MM 450MM H-B UL1007AWG26

9P 2.5MM 430MM B-B UL1007AWG26

110K OHM 1/6 W 5.00% TA52

27 OHM 1/2 W 5.00% TA52

0.02 OHM 1 W 20% TA52

0.05 OHM 1/2 W 10% TA52

0.47 OHM 1 W 5.00% TA62

1 OHM 2 W 5.00% TA62

1.2 OHM 1 W 5.00% TA62

1.2 OHM 2 W 5.00% TA62

0.47 OHM 1 W 5.00% TA62

0.47 OHM 1/2 W 5.00% TA52

0.47 OHM 2 W 5.00% TA62

1K OHM 1/6 W 5% TA52

1.1K OHM 1/6 W 5.00% TA52

220 OHM 1/6 W 5.00% TA52

1K OHM 1/6 W 5% TA52

150 OHM 1/6 W 5.00% TA52

100 OHM 1/6 W 5% TA52

150 OHM 1/6 W 5.00% TA52

10 OHM 1/6 W 5% TA52

220 OHM 1/6 W 5.00% TA52

10K OHM 1/6 W 5% TA52

100 OHM 1/6 W 5% TA52

LOCA. NO PART NO DESCRIPTION

R04

R05

R06

R07

R09

R10

R101

R102

R103

R107

R108

R109

R11

R110

R111

R112

R113

R114

R1254

R1255

R16

R17

R19

R201

R208

R21

R22

R23

R25

R251

R26

R27

R29

R301

R302

R304

R305

R306

R307

R310

R311

R312

R313

R401

R402

R442

R444

0RD3301F609

0RD4701F609

0RD1000F609

0RD1002F609

0RD1202F609

0RD1802F609

0RS0272J607

0RD0392F609

0RD0562F609

0RD1001F609

0RD1201F609

0RD3601F609

0RD1000F609

0RD6800F609

0RD0272F609

0RD2200H609

0RD4701F609

0RD1000F609

0RD0912F609

0RD1001F609

0RD2201F609

0RD3902F609

0RD2200F609

0RD1201F609

0RD1300F609

0RD1601F609

0RD3601F609

0RD1201F609

0RD0101F609

0RN1201F409

0RN1501F409

0RD0201H609

0RD0221H609

0RD0271H609

0RS2200K607

0RS2700K607

0RD1201F609

0RD1501F609

0RD1801F609

0RD4701H609

0RD2201F609

0RD1002F609

0RD1501A609

0RD1501H609

0RS2702K607

0RD5100H609

0RD0392H609

3.3K OHM 1/6 W 5.00% TA52

4.7K OHM 1/6 W 5% TA52

100 OHM 1/6 W 5% TA52

10K OHM 1/6 W 5% TA52

12K OHM 1/6 W 5% TA52

18K OHM 1/6 W 5.00% TA52

27 OHM 1 W 5.00% TA62

39 OHM 1/6 W 5.00% TA52

56 OHM 1/6 W 5.00% TA52

1K OHM 1/6 W 5% TA52

1.2K OHM 1/6 W 5% TA52

3.6K OHM 1/6 W 5.00% TA52

100 OHM 1/6 W 5% TA52

680 OHM 1/6 W 5% TA52

27 OHM 1/6 W 5.00% TA52

220 OHM 1/2 W 5.00% TA52

4.7K OHM 1/6 W 5% TA52

100 OHM 1/6 W 5% TA52

91 OHM 1/6 W 5.00% TA52

1K OHM 1/6 W 5% TA52

2.2K OHM 1/6 W 5.00% TA52

39K OHM 1/6 W 5.00% TA52

220 OHM 1/6 W 5.00% TA52

1.2K OHM 1/6 W 5% TA52

130 OHM 1/6 W 5.00% TA52

1.6K OHM 1/6 W 5.00% TA52

3.6K OHM 1/6 W 5.00% TA52

1.2K OHM 1/6 W 5% TA52

1 OHM 1/6 W 5.00% TA52

1.2K OHM 1/6 W 1.00% TA52

1.5K OHM 1/6 W 1.00% TA52

2 OHM 1/2 W 5.00% TA52

2.2 OHM 1/2 W 5.00% TA52

2.7 OHM 1/2 W 5.00% TA52

220 OHM 2 W 5.00% TA62

270 OHM 2 W 5.00% TA62

1.2K OHM 1/6 W 5% TA52

1.5K OHM 1/6 W 5% TA52

1.8K OHM 1/6 W 5.00% TA52

4.7K OHM 1/2 W 5.00% TA52

2.2K OHM 1/6 W 5.00% TA52

10K OHM 1/6 W 5% TA52

1.5K OHM 1/2 W(7.0) 5.00% TA52

1.5K OHM 1/2 W 5.00% TA52

27K OHM 2 W 5.00% TA62

510 OHM 1/2 W 5.00% TA52

39 OHM 1/2 W 5.00% TA52

For Capacitor & Resistors,
the charactors at 2nd and 3rd
digit in the P/No. means as
follows;

CC, CX, CK, CN : Ceramic
CQ : Polyestor
CE : Electrolytic

RD : Carbon Film
RS : Metal Oxide Film
RN : Metal Film
RF : Fusible

RESISTOR

CONNECTOR

Summary of Contents for RF-20CC20M

Page 1: ...MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 019A MODEL RF 20 21CC20M V MODEL RT 20 21CC20M website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ... SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATIONS 6 DESCRIPTION OF CONTROLS 7 ADJUSTMENT 10 PURITY CONVERGENCE ADJUSTMENT 13 BLOCK DIAGRAM 16 EXPLODED VIEW 18 EXPLODED VIEW PARTS LIST 19 REPLACEMENT PARTS LIST 20 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 7: ...ts a programme or a menu item switches the set on from standby scans programmes automatically F 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 8 P...

Page 8: ...isplays the programme table 14 SLEEP sets the sleep timer 15 SSM option Sound Status Memory recalls your preferred sound setting 16 SURROUND º º option selects surround sound No function COLOURED BUTTONS These buttons are used for teletext only TELETEXT models or programme edit Without TELETEXT POWER MUTE 1 2 3 4 5 6 7 8 9 MENU TV AV 0 EYE Q VIEW LIST I II PR PR OK VOL VOL PSM SSM SLEEP PICTURE SO...

Page 9: ...ack panel have been connected to external equipments simultaneously 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 switches Turbo sound or Turbo picture on or off 9 EYE option adjusts picture according to the surrounding conditions 6 7 VIDEO L I AUDIO I R VIDEO AUDIO 6 VIDEO L I AUDIO I R...

Page 10: ... 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...

Page 11: ...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 ...

Page 12: ... 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...

Page 13: ...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...

Page 14: ...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...

Page 15: ... 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...

Page 16: ...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...

Page 17: ... 17 MEMO ...

Page 18: ... 18 EXPLODED VIEW 300 330 310 120 600 320 520 913 170 150 153 112 943 400 174 ...

Page 19: ... CABINET ASSEMBLY RF 20CC20M MONO E_PHONE MC019A IN EXPORT 310 5020V00876A BUTTON CONTROL RN 21CC20 ABS HF 380 6KEY 5020V00878A BUTTON CONTROL RN 20CC20 ABS HF 380 6KEY IN EXPORT 5020V00840A BUTTON CONTROL RT 21CC20 ABS HF 380 6KEY 5020V00842A BUTTON CONTROL RT 20CC20 ABS HF 380 6KEY 320 320 062E SPRING KNOB 320 062H SPRING COIL 330 5020V00841A BUTTON POWER RT 21CC20 ABS HF 380 NON 5020V00875A BUT...

Page 20: ...21 TP DO35 200V 0 2A 1A 50SEC 100A LOCA NO PART NO DESCRIPTION D902 D903 D904 DB801 ZD101 ZD441 ZD442 ZD443 ZD501 ZD601 ZD901 C01 C02 C03 C04 C05 C07 C101 C102 C107 C109 C110 C111 C112 C113 C114 C1260 C201 C208 C209 C21 C210 C258 C259 C301 C302 C303 C304 C307 C401 C401 C402 C403 C403 C404 C405 C405 C441 C443 C444 C446 0DR210009AC 0DR210009AC 0DR140049AC 0DD260000BB 0DZ510009AK 0DZ620009AK 0DZ82000...

Page 21: ...M Y TA52 10UF STD 16V M FL TP5 LOCA NO PART NO DESCRIPTION C635 C636 C637 C638 C639 C640 C641 C642 C644 C646 C653 C655 C801 C802 C803 C804 C806 C807 C808 C809 C811 C812 C812 C813 C815 C816 C817 C818 C819 C820 C821 C823 C825 C828 C829 C830 C831 C832 C834 C835 C841 C901 C902 C903 C904 C905 R655 J57 L04 L05 0CE476DF618 0CQ6821N509 0CF1541L438 0CQ5621N509 0CQ5621N509 0CF1541L438 0CQ6821N509 0CQ5621N50...

Page 22: ...R05 R06 R07 R09 R10 R101 R102 R103 R107 R108 R109 R11 R110 R111 R112 R113 R114 R1254 R1255 R16 R17 R19 R201 R208 R21 R22 R23 R25 R251 R26 R27 R29 R301 R302 R302 R304 R304 R305 R306 R306 R307 R307 R310 R311 R312 R313 R401 R401 R402 R442 R444 0RD3301F609 0RD3301F609 0RD4701F609 0RD4701F609 0RD1000F609 0RD1000F609 0RD1002F609 0RD1202F609 0RD1802F609 0RS0272J607 0RD0392F609 0RD0562F609 0RD1001F609 0RD...

Page 23: ...52 LOCA NO PART NO DESCRIPTION R651 R657 R801 R802 R803 R804 R805 R805 R806 R808 R809 R812 R813 R814 R815 R816 R903 R904 R905 R906 R907 R908 R909 R910 R911 R912 RC801 SW01 SW02 SW03 SW04 SW05 SW06 SW801 FB801 FB802 FB803 T551 T552 T801 X01 Z102 Z551 PJ1202 PJ1202 PJ1203 0RD1500F609 0RD1001F609 0RD2701F609 0RD2201F609 0RD1001F609 0RD4701F609 180 A01M 180 A01P 0RD2401F609 0RD4701F609 0RS4702K607 0RK...

Page 24: ...A PARKELEC 6P MANUAL OWNERS MC019A 090A D TX MANUAL OWNERS MC019A 090A D TX 052A REMOTE CONTROLLER MC019A W O TXT 21FA3 FUSE SLOW BLOW 4000MA 250 V 5 2X20 REMOTE CONTROLLER RECEIVER TSOP2238NN1 SOCKET CIRC CPT PCS030A 8PIN 14 360 FBT FLY BACK TRANSFORMER FTMPNG1 6040C THERMISTOR PTC J503P84D140M290Q 20 220V THERMISTOR KL15L010 SSANSHIN 15 125V TUNER TAEM G001D FS 6700VPF009V VE TYPE VARISTOR TVR62...

Page 25: ......

Page 26: ...545 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 C640 C2 C641 C2 C642 D2 C643 D2 C644 D1 C645 D2 C646 D1 C650 A3 C653 D2 C654 D3 C655 C1 C661 C3 C662 C3 C...

Page 27: ...Mar 2004 Printed in Korea P NO 3828VD0137U ...

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