LG CE-2046EX страница 20 Скачать руководство пользователя

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104

343-B52A

SUPPORTER,PCB

112

2055-V1221B

6341V21006B

CPT

120

6400VA0019A

SPEAKER,GENERAL G9050401 8 OHM 5/

150

150-D02Y

150-D02X

COIL,DEGAUSSING

153

153-276A

6150Z-1023A

170

170-A01D

LEAD SET,CPT EARTH(19”)

300

3106V00055E

3106V00054D

CABINET UNIT

310

5020V00174B

5020V00181B

BUTTON,CONTROL

320

320-062H

SPRING,COIL

330

5020V00175B

5020V00182B

BUTTON,POWER

400

3809V00172D

BACK COVER ASSY(SCART)

520

3141VMN689B

3141VMN689A

CHASSIS ASSY,MAIN W/TXT

3141VMN691F

CHASSIS ASSY,MAIN W/O TXT

913

332-057B

SCREW ASSY,HEXAGON HEAD

943

1PTF0403116

SCREW,TAP TITE(P) D4.0 L16.0

P801

174-009E

CORD,POWER(W/HOLD,HOUSING,L=200,4.0

EXPLODED VIEW PARTS LIST

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

LOCA. NO

DESCRIPTIONS

PART NO

20"

21"

Содержание CE-2046EX

Страница 1: ......

Страница 2: ... SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 00AA MODEL CE 20 21F66 66X MODEL CE 20 21F86X website http biz LGservice com e mail http www LGEservice com techsup html Dec 2000 Printed in Korea P NO 3828VD0078D ...

Страница 3: ...ecautions 3 Servicing Precautions 4 Specifications 6 Description of Controls 7 Disassembly Instructions 10 Adjustment 11 Purity Convergence Adjustment 14 Exploded View 18 Exploded View Parts List 19 Replacement Parts List 22 SVC Sheet ...

Страница 4: ...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 5: ...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 6: ...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 7: ... Sound output 10W 10W 7W 7W For EU Dual Stereo A2 NICAM Option External connection Head Phone Jack A V in 1 pair Scart 1 Full A V in out External In Output Audio In 0 5Vrms 3db over 10Kohm Audio Out 0 5Vrms 3db below 1Kohm Video In Out 1Vp p 3db 75ohm R G B In 0 7Vp p 3db Feature Auto programme Manual programme CSM Color Status Memory Digital Eye Turbo Search Picture Sound Auto Sleep Programme Edi...

Страница 8: ...justs menu settings OK accepts your selection or displays the current mode 5 PSM Picture Status Memory recalls your preferred picture setting 6 EYE option switches the eye function on or off 7 TELETEXT BUTTONS option These buttons are used for teletext For further details see the Teletext section 8 VCR BUTTONS option control a LG video cassette recorder 9 MUTE switches the sound on or off 10 TV AV...

Страница 9: ...ramme edit NO FUNCTION Note The Q VIEW and LIST buttons are used as teletext colour button in teletext mode Battery installation The remote control handset is powered by two AA type batteries Gently pull down the cover of the remote control handset until the battery compartment is exposed Install two batteries as indicated by the polarity symbols and marked inside the compartment Note To avoid dam...

Страница 10: ...your selection or displays the current mode 6 AUDIO VIDEO IN SOCKETS AV2 Connect the audio video out sockets of external equipment to these sockets 7 HEADPHONE SOCKET Connect the headphone plug to this socket 8 EYE option adjusts picture according to the surrounding conditions POWER v v r r y y MENU OK F F VOL G G E E PR D D VIDEO L MONO AUDIO R POWER v v r r y y MENU OK F F VOL G G E E PR D D VID...

Страница 11: ...Removal 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 4 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 ...

Страница 12: ...r end of rotation will usually cause a degradation of over load capabilities resulting in color beats or adjacent channel interference Screen Voltage Adjustment 1 Connect the probe of oscilloscope to the RK Red Cathode of CPT Board 2 Set the oscilloscope to 50V div and 20Us div and after putting GND line upon the lowest grid line of the scope by pressing GND button enter into DC mode 3 Tune the TV...

Страница 13: ...UP DOWN button to adjust the data 2 Deflection Adjustment Procedure VL Vertical Linearity Adjust so that the boundary line between upper and lower half 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 ...

Страница 14: ...ITH GAME TOP OFF TOP ON W O TEXT WITH TEXT W O ACMS WITH ACMS W O LNA WITH LNA W O EYE WITH EYE TURBO SEARCH OFF TURBO SEARCH ON 0 1 2 3 4 5 0 1 2 3 4 5 6 7 8 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 175 50 TEXT LANG SYS HOTEL 0 1 HOTEL OFF HOTEL ON ITEM DATA Remark BG L BG I DK BG I DK M BG ONLY BG DUAL I ONLY ENG ONLY EU 5EA EU ETC FARSI ARAB URDU E INDIA E I M V E THAI E CHINA WEST EU EAST EU1 ...

Страница 15: ...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 16: ...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 17: ... 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 18: ... 17 MEMO ...

Страница 19: ... 18 EXPLODED VIEW 20 21F66X 310 104 300 330 320 120 943 400 913 170 150 153 112 P801 520 OPTION ...

Страница 20: ...0 320 062H 320 062H SPRING COIL 330 5020V00175B 5020V00182B BUTTON POWER 400 3809V00172D 3809V00172D BACK COVER ASSY SCART 520 3141VMN689B 3141VMN689A CHASSIS ASSY MAIN W TXT 3141VMN691F CHASSIS ASSY MAIN W O TXT 913 332 057B 332 057B SCREW ASSY HEXAGON HEAD 943 1PTF0403116 1PTF0403116 SCREW TAP TITE P D4 0 L16 0 P801 174 009E 174 009E CORD POWER W HOLD HOUSING L 200 4 0 EXPLODED VIEW PARTS LIST T...

Страница 21: ... 20 EXPLODED VIEW 20F86X 913 170 150 153 112 400 943 104 300 310 120 320 330 P801 520 OPTION ...

Страница 22: ... LEAD SET CPT EARTH 19 300 3106V00050E CABINET UNIT 310 5020V00179B BUTTON CONTROL 320 320 062E SPRING KNOB 330 5020V00180B BUTTON POWER 400 3809V00073N BACK COVER ASSY 520 3141VMN689C CHASSIS ASSY MAIN 912 1PRF0302816 SCREW TAP TITE P D3 L12 913 332 057B SCREW ASSY HEXAGON HEAD 943 1PTF0403116 SCREW TAP TITE D4 0 L16 0 P801 174 009E CORD POWER W HOLD HOUSING L 200 4 0 The components identified by...

Страница 23: ...DB801 LD01 ZD101 ZD102 ZD201 ZD202 ZD301 ZD501 ZD601 ZD701 ZD702 ZD901 Q01 Q02 Q03 Q04 Q201 Q202 Q203 Q204 Q205 Q206 Q207 Q401 Q402 Q501 Q502 Q504 Q505 Q506 Q507 Q508 Q509 Q510 Q511 Q512 Q513 Q515 Q561 Q601 Q801 Q802 0DD300009AC 0DD200009AF 0DD414809ED 0DD360009AA 0DR060009AA 0DR140049AC 0DR210009AC 0DR210009AC 0DR210009AC 0DD260000BD 4930V00048A 0DZ330009BA 0DZ510009BF 0DZ560009CF 0DZ120009AA 0DZ...

Страница 24: ...15 C216 C218 C219 C220 C221 C222 C223 C224 C225 C226 C251 C252 C253 C254 C255 C301 C302 C303 C304 C305 C306 C307 C309 C401 C403 C404 21 C405 C406 21 C407 C501 C502 C503 C504 C505 C506 C507 C508 C509 C510 C511 C512 C513 0CX4700K409 0CE475DK618 0CN6820F569 0CE225DK618 0CE225DK618 0CE225DK618 0CE225DK618 0CE225DK618 0CN1030F679 0CE106DF618 0CN4710K519 0CE106DF618 0CN4710K519 0CN4710K519 0CN1010K519 0...

Страница 25: ...D 25V M FL TP5 LOCA NO PART NO DESCRIPTION C617 C701 C702 C703 C704 C705 C708 C709 C710 C801 C802 C803 C804 C805 C806 C807 C808 C809 C811 C812 C813 C815 C817 C818 C819 C820 C821 C822 C823 C829 C830 C831 C835 C836 C906 C908 C909 C910 FB603 FB604 FB801 FB802 FB803 FB804 L208 L209 L255 L401 0CQ4742L439 0CE107DN618 0CK4710W515 0CE107DK618 0CK4710W515 0CQ1031N509 181 009V 0CK4710W515 0CE475DR618 0CE107...

Страница 26: ... R21 R22 R23 R24 R25 R26 R28 R29 R32 R34 R35 R37 R38 R40 R41 R42 R46 R47 R48 R49 R53 R54 R55 R56 R57 R58 R59 R60 R61 R62 R63 R64 R67 R101 R102 R103 0RD1600F609 0RD1000F609 0RD1000F609 0RD4701F609 0RD4701F609 0RD4701F609 0RD4701F609 0RD4701F609 0RD1000F609 0RD1000F609 0RD4701F609 0RD1000F609 0RD1000F609 0RD2201F609 0RD4701F609 0RD6801F609 0RD6800F609 0RD2200F609 0RD4701F609 0RD1000F609 0RD4701F609 ...

Страница 27: ... R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R216 R217 R218 R219 R220 R221 R224 R225 R226 R227 R228 R229 R230 R231 R232 R252 R253 R254 R255 R256 R257 R302 21 R303 21 R304 R305 R306 0RD1802F609 0RD1002F609 0RD1001F609 0RD1001F609 0RD4701F609 0RD1802F609 0RD1500F609 0RD1802F609 0RD1802F609 0RD1001F609 0RD3901F609 0RD1800F609 0RD3300F609 0RD1001F609 0RD2201F609 0RD3302F609 0RD300...

Страница 28: ...01 27 LOCA NO PART NO DESCRIPTION R563 R564 R565 R566 R567 R569 R570 R576 R601 R602 R603 R604 R605 R609 R610 R611 R615 R701 R702 R703 R704 R706 R707 R801 R802 R803 R804 R805 R806 R808 R809 R811 R812 R813 R814 R815 R816 R817 R818 R901 R902 R903 R906 R907 R908 R909 R910 R911 R912 RC801 ZD01 0RD1501F609 0RD4700F609 0RD2000F609 0RD2000F609 0RD2000F609 0RD5601F609 0RD2201F609 0RD1500F609 0RD6801F609 0R...

Страница 29: ...P No 3854VA0076A S1 2000 09 09 Service Sheet Of MC 00AA ...

Страница 30: ... B4 R113 C4 R114 B4 R115 B4 R116 B5 R117 B5 R118 B4 R119 B5 R120 B5 R121 B5 R122 B5 R123 C5 R124 C4 R125 B5 R126 B4 R127 C4 R128 C4 R129 C4 R130 C4 R131 C4 R132 C4 R134 C5 R135 C5 R136 C5 R137 C5 R138 B5 R139 C5 R140 B4 R141 A5 R142 A4 R201 C5 R202 C5 R203 C5 R204 C4 R205 D4 R206 D4 R207 D4 R208 D4 R209 D4 R210 D4 R211 D4 R212 D4 R213 D4 R214 D5 R216 D4 R217 D4 R218 D4 R219 D4 R220 D3 R221 D3 R224...

Страница 31: ...SVC SHEET 3854V A0076A S ...

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