LG RT-17FB70V Service Manual Download Page 23

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LOCA. NO PART NO DESCRIPTION

R542

R551

R552

R553

R559

R572

R573

R601

R602

R604

R606

R608

R609

R610

R611

R632

R633

R662

R663

R665

R666

R667

R670

R671

R801

R802

R803

R804

R805

R806

R808

R809

R812

R813

R815

R816

R903

R904

R905

R906

R907

R908

R909

R910

R911

R912

RC801

SW01

SW02

SW03

0RD1002F609

0RD2200F609

0RD3300F609

0RD1800F609

0RD5600F609

0RD2403F609

0RD4701F609

0RD1002F609

0RD1301F609

0RD1501F609

0RD1301F609

0RD1501F609

0RD4702F609

0RD1000F609

0RD3901F609

0RD0102F609

0RD1001F609

0RD2701F609

0RD2201F609

0RD1001F609

0RD4701F609

180-A01P

0RD2401F609

0RD4701F609

0RS4702K607

0RK8204H609

0RD1002F609

0RD0751H609

0RD2001F609

0RD2200F609

0RD1000F609

0RS1501H609

0RD2204H609

180-822N

140-315A

10K OHM 1/6 W 5% TA52

220 OHM 1/6 W 5.00% TA52

330 OHM 1/6 W 5.00% TA52

180 OHM 1/6 W 5.00% TA52

560 OHM 1/6 W 5% TA52

240K OHM 1/6 W 5.00% TA52

4.7K OHM 1/6 W 5% TA52

10K OHM 1/6 W 5% TA52

1.3K OHM 1/6 W 5.00% TA52

1.5K OHM 1/6 W 5% TA52

1.3K OHM 1/6 W 5.00% TA52

1.5K OHM 1/6 W 5% TA52

47K OHM 1/6 W 5% TA52

100 OHM 1/6 W 5% TA52

3.9K OHM 1/6 W 5% TA52

10 OHM 1/6 W 5% TA52

1K OHM 1/6 W 5% TA52

2.7K OHM 1/6 W 5% TA52

2.2K OHM 1/6 W 5.00% TA52

1K OHM 1/6 W 5% TA52

4.7K OHM 1/6 W 5% TA52

0.13 OHM 2 W 5% TA62 RWR

2.4K OHM 1/6 W 5.00% TA52

4.7K OHM 1/6 W 5% TA52

47K OHM 2 W 5.00% TA62

8.2M OHM 1/2 W 5.00% TA52

10K OHM 1/6 W 5% TA52

7.5 OHM 1/2 W 5.00% TA52

2K OHM 1/6 W 5% TA52

220 OHM 1/6 W 5.00% TA52

100 OHM 1/6 W 5% 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

LOCA. NO PART NO DESCRIPTION

SW04

SW05

SW06

SW801

FB801

FB802

FB803

T801

X01

X661

F801

LD01

PA1101

PJ1202

PJ1203

PJ201

SK901

T401

TH801

TU101

VD801

140-315A

6600VM2002A

125-022R

150-F06W

156-A02B

156-A02M

3828VA0375S

6710V00090A

132-210J

0FS4001B53C

0DL100000AE

6726VV0006D

6613V00004F

380-068D

6612VJH004H

6620VBC003A

6174V-6006E

163-051F

6700MF0001E

164-003G

SWITCH, TACT SKHV17910B LG C&D NON 12V

SWITCH,PUSH 250V 8A HORIZONTAL 480G

FILTER, BI3857 5.7X3.6MM AXIAL 26MM

FILTER, SQE2930 36MH 0.5PHY 105TURN .

RESONATOR,CRYSTAL 12.000MHZ 30PPM 16PF BK

RESONATOR,CRYSTAL 18.432MHZ 30PPM 10PF BK

MANUAL,OWNERS MC019A S&W/ME20 LG

REMOTE CONTROLLER,MC019A TXT LG NON

ANTENNA,2 POLE 3 SECTION 700MM 750MM

FUSE,SLOW BLOW,4000MA 250 V 5.2X20 CY/CE

LED,SA5711(DL-1LO) BK AMBER -

REMOTE CONTROLLER RECEIVER,TEMIC 38.0KHZ

JACK ASSY,PPJ107F PARK ELECTRONIC A/V 3P

JACK,PHONE,UEJ-CV-003 UGCOM E/P WITH S/W

JACK,RCA,6P STEREO MC-019A (21P SCART PIN TO PIN)

SOCKET ,CPT PCS030A PARK ELEC 8PIN 14/360

FBT,BSC23-N0107 20”/21” YINYANG 6174V-6006C

THERMISTOR,PTC +/- 20% 220V 85 80 STRAIGHT

TUNER,TAFD-Z242D LG MULTI FS 4SYS,DIN

VARISTOR,TVR621D14A THINKING 620V 10%

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

SWITCH

FILTER & CRYSTAL

MISCELLANEOUS

ACCESSORIES

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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