LG RT-17FB70V Service Manual Download Page 22

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LOCA. NO PART NO DESCRIPTION

L663

L801

R443

R545

R546

R547

T402

T802

P02A

P05A

P06A

P07A

P1205

P1206

P301

P601

P602

P801A

P801B

P802

P902

P903

C546

F811

F812

FR441

FR442

FR443

FR802

FR901

J149

J154

J30

J33

J39

J69

L10

L1101

R01

R02

R03

R04

R05

R07

R09

R10

R105

R106

0LA0102K119

150-C02F

0LA0101K119

0LA0681K119

6170VC0003A

6170VMCB01K

366-932B

366-921J

366-921D

366-932C

387-A10H

387-A05H

366-043K

366-921B

366-921C

366-009D

366-043B

387-603E

366-009D

0RD1103F609

0RP0020J809

0RP0050H709

0RF0470J607

0RF0151J607

0RF0470J607

0RF0470H609

0RF0151J607

0RD1001F609

0RD6800F609

0RD2200F609

0RD1500F609

0RD0102F609

0RD1500F609

0RD1002F609

0RD1001F609

0RD1000F609

0RD3301F609

0RD4701F609

0RD1000F609

INDUCTOR,AXIAL LEAD10UH K 2.3*3.4 TP

COIL,CHOKE 82UH PHY TURN

INDUCTOR,AXIAL LEAD1.0UH K 2.3*3.4 TP

INDUCTOR,AXIAL LEAD6.8UH K 2.3*3.4 TP

TRANSFORMER,10*12 JSUH BASE 10MM

TRANSFORMER,SMPS[COIL]EER4215 340UH

CONNECTOR, 2.5MM 3P GIL-G LG CABLE S

CONNECTOR, 2.5MM 10P GIL-G LG CABLE .

CONNECTOR, 2.5MM 5P GIL-G LG CABLE .

CONNECTOR, 2.5MM 4P GIL-G LG CABLE S

CONNECTOR, 10P 2.5MM 450MM H-B

CONNECTOR, 5P 2.5MM 450MM H-B

CONNECTOR, PLUG(4P)

CONNECTOR, 2.5MM 3P GIL-G LG CABLE .

CONNECTOR, 2.5MM 4P GIL-G LG CABLE .

CONNECTOR, 2.36PAI 1P . K/M AUTO

CONNECTOR, ASSY,PLUG(2P)

CONNECTOR, 9P 2.5MM 430MM B-B

CONNECTOR, 2.36PAI 1P . K/M AUTO

110K OHM 1/6 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

1.5 OHM 1 W 5.00% TA62

0.47 OHM 1 W 5.00% TA62

0.47 OHM 1/2 W 5.00% TA52

1.5 OHM 1 W 5.00% TA62

1K OHM 1/6 W 5% TA52

680 OHM 1/6 W 5% TA52

220 OHM 1/6 W 5.00% TA52

150 OHM 1/6 W 5.00% TA52

10 OHM 1/6 W 5% TA52

150 OHM 1/6 W 5.00% TA52

10K OHM 1/6 W 5% TA52

1K OHM 1/6 W 5% TA52

100 OHM 1/6 W 5% TA52

3.3K OHM 1/6 W 5.00% TA52

4.7K OHM 1/6 W 5% TA52

100 OHM 1/6 W 5% TA52

LOCA. NO PART NO DESCRIPTION

R107

R11

R1101

R1102

R1104

R1105

R1121

R1122

R1123

R121

R122

R1254

R1255

R13

R14

R15

R16

R201

R208

R251

R301

R302

R304

R305

R306

R307

R310

R311

R312

R313

R401

R402

R442

R444

R446

R447

R450

R451

R453

R455

R456

R501

R503

R504

R51

R518

R52

R521

R522

R523

R524

R526

0RS0272J607

0RD1001F609

0RD3001F609

0RD3601F609

0RD1601F609

0RD1201F609

0RD2201F609

0RD3902F609

0RD2200F609

0RD1001F609

0RD2200H609

0RD1000F609

0RD4701F609

0RD0512F609

0RD1001F609

0RD0752F609

0RD0101F609

0RN1501F409

0RD0221H609

0RS2700K607

0RD1501F609

0RD1801F609

0RD4701H609

0RD2201F609

0RD1002F609

0RD1501H609

0RS2702K607

0RD5100H609

0RD0392H609

0RD1001F609

0RD2401F609

0RD4701H609

0RD0392H609

0RS5602H609

0RS2702K607

0RS2202H609

0RD2202F609

0RD1000F609

0RN3902F409

0RD1000F609

0RD3302F609

0RD1000F609

0RD2702F609

0RD1003F609

0RD3001F609

0RD2001F609

27 OHM 1 W 5.00% TA62

1K OHM 1/6 W 5% TA52

3K OHM 1/6 W 5.00% TA52

3.6K OHM 1/6 W 5.00% TA52

1.6K OHM 1/6 W 5.00% TA52

1.2K 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

1K OHM 1/6 W 5% TA52

220 OHM 1/2 W 5.00% TA52

100 OHM 1/6 W 5% TA52

4.7K OHM 1/6 W 5% TA52

51 OHM 1/6 W 5.00% TA52

1K OHM 1/6 W 5% TA52

75 OHM 1/6 W 5.00% TA52

1 OHM 1/6 W 5.00% TA52

1.5K OHM 1/6 W 1.00% TA52

2.2 OHM 1/2 W 5.00% TA52

270 OHM 2 W 5.00% TA62

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 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

1K OHM 1/6 W 5% TA52

2.4K OHM 1/6 W 5.00% TA52

4.7K OHM 1/2 W 5.00% TA52

39 OHM 1/2 W 5.00% TA52

56K OHM 1/2 W 5.00% TA52

27K OHM 2 W 5.00% TA62

22K OHM 1/2 W 5.00% TA52

22K OHM 1/6 W 5% TA52

100 OHM 1/6 W 5% TA52

39K OHM 1/6 W 1.00% TA52

100 OHM 1/6 W 5% TA52

33K OHM 1/6 W 5% TA52

100 OHM 1/6 W 5% TA52

27K OHM 1/6 W 5.00% TA52

100K OHM 1/6 W 5% TA52

3K OHM 1/6 W 5.00% TA52

2K OHM 1/6 W 5% TA52

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

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 RT-17FB70V

Page 1: ...ON BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 019A MODEL RT 17FB70V MODEL RT 21FB70RN RQ RX V VX MODEL RT 21FB700VX 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: ...ects 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...

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: ...rogramme or a menu item switches the set on from standby 6 AUDIO L R or 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 Connect the h...

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 913 170 150 112 153 300 174 600 330 320 530 310 120 121 120 520 943 400 ...

Page 19: ...EVN EXPORT 5020V00896A BUTTON CONTROL RT 21FB70 ABS HF 380 6KEY LGESY LOCAL 320 320 062H 320 062E SPRING 320 070H SPRING COIL 330 5020V00839A BUTTON POWER RT 21FB70 ABS HF 380 1KEY 5020V00848A 5020V00848A BUTTON POWER RT 21FB70 ABS HF 380 1KEY LGEVN EXPORT 5020V00897A BUTTON POWER RT 21FB70 ABS HF 380 1KEY LGESY LOCAL 400 3809V00416C 3809V00388B BACK COVER ASSEMBLY 3809V00389C BACK COVER ASSEMBLY ...

Page 20: ...HINDENGEN DIODE D4L20U SHINDENGEN DIODE TP DO35 200V 0 2A 1A 50SEC 100A DIODE TP DO35 200V 0 2A 1A 50SEC 100A LOCA NO PART NO DESCRIPTION D903 D904 DB801 ZD101 ZD441 ZD442 ZD443 ZD501 ZD601 ZD901 C01 C02 C03 C04 C05 C07 C102 C107 C109 C1121 C113 C121 C1260 C131 C201 C208 C209 C210 C258 C259 C301 C302 C303 C304 C307 C401 C402 C403 C404 C405 C441 C443 C444 C446 C447 C449 C452 C501 C502 C503 C504 0DR...

Page 21: ... C818 C819 C820 C821 C823 C825 C828 C829 C830 C831 C834 C841 C901 C902 C903 C904 C905 R655 J57 L04 L05 L210 L401 L402 L501 L502 L503 L506 L611 L661 L662 0CX5600K409 0CX5600K409 0CX5600K409 0CC0200K115 0CC0200K115 0CE107BJ618 181 091U 0CK4710W515 0CQ1041N509 0CE337KV6A0 0CK10201515 0CK10201515 181 506J 181 120K 0CE108DH618 0CK4710W515 0CK4710W515 0CN1030F679 0CK4710W515 0CE107BH618 181 091Y 0CE227D...

Page 22: ...1105 R1121 R1122 R1123 R121 R122 R1254 R1255 R13 R14 R15 R16 R201 R208 R251 R301 R302 R304 R305 R306 R307 R310 R311 R312 R313 R401 R402 R442 R444 R446 R447 R450 R451 R453 R455 R456 R501 R503 R504 R51 R518 R52 R521 R522 R523 R524 R526 0RS0272J607 0RD1001F609 0RD3001F609 0RD3601F609 0RD1601F609 0RD1201F609 0RD2201F609 0RD3902F609 0RD2200F609 0RD1001F609 0RD1001F609 0RD2200H609 0RD2200H609 0RD1000F60...

Page 23: ...1 6 W 5 TA52 100 OHM 1 6 W 5 TA52 100 OHM 1 6 W 5 TA52 1 5K OHM 1 2 W 5 00 TA52 1 5K OHM 1 2 W 5 00 TA52 1 5K OHM 1 2 W 5 00 TA52 2 2M OHM 1 2 W 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 LOCA NO PART NO DESCRIPTION SW04 SW05 SW06 SW801 FB801 FB802 FB803 T801 X01 X661 A1 A2 A3 F801 LD01 PA1101 PJ12...

Page 24: ......

Page 25: ......

Page 26: ...Apr 2004 Printed in Korea P NO 3828VD0126V ...

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