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LG CF-21Q21KE, Руководство по обслуживанию, Страница: 19 / 32

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EXPLODED VIEW PARTS LIST

LOCA. NO  

PART NO

DESCRIPTIONS

112          

6341V21009B             

CPT ASSY,A51QDX991X     

6335V21008D             

CPT                 

120          

120-D38C                

SPEAKER,MID-RANGE 8 OHM 15/25W                  

123          

4810V00123A             

BRACKET,CASE                                 

124          

4810V00124A             

BRACKET,COVER                                

150          

150-D02X                

COIL,DEGAUSSING CU 21” 60TURN 12 OHM                   

153          

6150V-1014G            

DY,DIF-2192AA(NF5)                          

170          

170-A01N                

CPT EARTH 21” 64T 2LUG                  

174          

174-009Q                

CORD,POWER(W/HOLD,HOUSING)L=300,4.0                     

300          

3091V00274K             

CABINET ASSY     

3091V00274T             

CABINET ASSY (W/O EYE)               

310          

5020V00340A             

BUTTON,CONTROL 4KEY                         

315          

3580V00037A             

DOOR,CONRTOL                               

320          

320-070G                

SPRING,COIL                                               

330          

5020V00337B             

BUTTON,POWER                         

400          

3809V00154B             

BACK COVER ASSY                    

3809V00154U             

BACK COVER ASSY(SCART)    

3809V00243L             

BACK COVER ASSY(SCART)          

520          

6871VMM676D             

PWB ASSY,MAIN CT-21Q21KE.      

6871VMM676W             

PWB ASSY,MAIN CT-21Q21KEX.               

6871VMM676E             

PWB ASSY,MAIN CT-21Q22KEX                   

6871VMM676J             

PWB ASSY,MAIN CT-21Q22KEX                   

6871VMM676G             

PWB ASSY,MAIN CT-21Q21KE(SCART)   

6871VMM745G             

PWB ASSY,MAIN CT-21Q22KEX(X-RAY)  

6871VMMA26B             

PWB ASSY,MAIN CT-21Q21KE(PH/AV ST)    

6871VMMB67A             

PWB ASSY,MAIN CF-21Q21KX    

530          

6871VSM986A             

PWB ASSY,CONT(019A) Q22,CTL+AV+POWER(3                     

700          

0IGL120104A             

IC,CDS SENSOR MODULE(P1201-04)                        

913          

332-057B                

SCREW ASSY,HEXAGON HEAD                                  

943          

1PTF0403116             

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

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

All manuals and user guides at all-guides.com

Содержание CF-21Q21KE

Страница 1: ...IS MC 019A MODEL CF CT 21Q21KE KEX KX 22KEX MODEL CT 51F82 51F92T MODEL CT 21Q60EX 21Q92EX MODEL CT 21Q61KE 62KE 21Q91KE website http biz LGservice com e mail http www LGEservice com techsup html March 2002 Printed in Korea P NO 3828VD0087G All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 2: ...s 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 24 SVC Sheet All manuals and user guides at all guides com ...

Страница 3: ...urrent 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 ohm meter to the AC pl...

Страница 4: ...ts 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 Alternatively obtain and wea...

Страница 5: ...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 leads of replacement co...

Страница 6: ...ice 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 Status Memory Auto Sleep Turbo Pic...

Страница 7: ... the eye function on or off 6 D D E E Programme Up Down selects 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 7 TELETEXT BUTTONS option These buttons are used for teletext For further details see the Teletext section 8 SSM option Sound ...

Страница 8: ...T 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 if you do not plan to use the r...

Страница 9: ...nal equipment to these sockets Note If both the input jacks on the front side panel and back panel 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 surrounding conditions Note Do not place any heavy objects over 4K...

Страница 10: ...e 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 handling picture tube...

Страница 11: ... 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 IN 1 DVD C MUTE Option Code Functi...

Страница 12: ...utton 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 Tuner P N Marker AGC Vo...

Страница 13: ...etric 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 center...

Страница 14: ...nnect 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 receiver screen with the tel...

Страница 15: ...oil 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 instrument before proceeding...

Страница 16: ...r 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 equally balance the convergence error ...

Страница 17: ...x 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 REG IC842 5V REG 41 42 1 ...

Страница 18: ... 18 EXPLODED VIEW 21Q21 22 913 170 150 153 112 400 943 530 120 124 123 300 700 330 315 320 310 174 OPTION 520 All manuals and user guides at all guides com ...

Страница 19: ... POWER 400 3809V00154B BACK COVER ASSY 3809V00154U BACK COVER ASSY SCART 3809V00243L BACK COVER ASSY SCART 520 6871VMM676D PWB ASSY MAIN CT 21Q21KE 6871VMM676W PWB ASSY MAIN CT 21Q21KEX 6871VMM676E PWB ASSY MAIN CT 21Q22KEX 6871VMM676J PWB ASSY MAIN CT 21Q22KEX 6871VMM676G PWB ASSY MAIN CT 21Q21KE SCART 6871VMM745G PWB ASSY MAIN CT 21Q22KEX X RAY 6871VMMA26B PWB ASSY MAIN CT 21Q21KE PH AV ST 6871V...

Страница 20: ... 20 EXPLODED VIEW 21Q61 62 120 300 124 123 600 700 330 320 310 400 943 913 170 150 153 112 530 174 OPTION 520 All manuals and user guides at all guides com ...

Страница 21: ...NET ASSY 310 5020V00368B BUTTON CONTROL 4KEY 320 320 070S SPRING COIL 330 5020V00369A BUTTON POWER 400 3809V00173C BACK COVER ASSY PHONE JACK 520 6871VMM676X PWB ASSY MAIN 019A 6871VMM810R PWB ASSY MAIN 019A 21Q62KE 530 6871VSM986A PWB ASSY CONT 019A CTL AV POWER 3 600 6871VSM963H PWB ASSY SIDE A V 700 0IGL120104A IC CDS SENSOR MODULE P1201 04 913 332 057B SCREW ASSY HEXAGON HEAD 943 1PTF0403116 S...

Страница 22: ... 22 EXPLODED VIEW 21Q91 92 OPTION 120 300 124 123 600 700 913 170 150 153 112 330 320 400 943 540 121 310 174 530 520 501 All manuals and user guides at all guides com ...

Страница 23: ...TON CONTROL 320 320 062E SPRING KNOB 330 5020V00430A BUTTON POWER 400 3809V00208F BACK COVER ASSY MC019A PHONE 501 4810V00266A BRACKET MAIN 520 6871VMM676R PWB ASSY MAIN 6871VMM814C PWB ASSY MAIN 21Q91KEX 6871VMM814H PWB ASSY MAIN 21Q92KE 6871VMM745K PWB ASSY MAIN 21Q92KEX 530 6871VSM962E PWB ASSY 019A 21Q90 POWER 540 6871VSM962F PWB ASSY 019A 21Q90 CONTROL KEY 600 6871VSM963J PWB ASSY 019A 21Q91 ...

Страница 24: ...ZENER MTZJ9 1B TP ROHM K DO34 0 5W DIODE ZENER GDZJ5 1B TP GRANDE DO34 0 5W DIODE ZENER GDZJ6 2B TP GRANDE DO34 0 5W DIODE ZENER GDZJ8 2B TP GRANDE DO34 0 5W DIODE ZENER GDZJ33B TP GRANDE DO34 0 5W DIODE ZENER GDZJ24B DIODE ZENER GDZJ8 2B TP GRANDE DO34 0 5W LOCA NO PART NO DESCRIPTION ZD601 ZD901 Q102 Q103 Q301 Q402 Q442 Q443 Q551 Q552 Q553 Q554 Q555 Q571 Q621 Q651 Q653 Q671 Q672 Q801 Q802 Q806 Q...

Страница 25: ...C641 C642 C644 C646 C661 C662 C663 C664 C665 C666 C667 C668 C669 C670 C671 C672 C673 C674 C675 C678 C679 C680 C681 C684 C685 C686 C687 C688 C689 C690 C695 C696 C801 C802 C803 C804 C806 C807 0CQ4721N509 0CF2241L438 0CN1030F679 0CE477DH618 0CF4741L438 0CF4741L438 0CE107DD618 0CN1030F679 0CE106DF618 0CQ6821N509 0CF1541L438 0CQ5621N509 0CQ5621N509 0CF1541L438 0CQ6821N509 0CQ5621N509 0CQ4731N509 0CF474...

Страница 26: ... R546 R547 T401 T402 T802 P301 P902 P1107 P1205 P1206 C253 C255 C258 C259 D813 FR441 FR442 FR443 FR802 FR901 J30 J33 J39 J149 J154 L10 L1101 L251 L252 R01 R03 R04 R05 R06 R07 R09 R10 0LA0102K119 0LA0681K119 0LA0561K119 0LA0102K049 0LA0102K119 0LA0102K119 0LA0102K119 150 C02F 0LA0101K119 0LA0681K119 0LA0681K119 0LA0681K119 6174V 6006E 6170VC0003A 151 A13P 6170VMCB01K 366 043K 387 603E 387 A04B 387 ...

Страница 27: ...506 R518 R521 R522 R523 R524 R525 R526 R537 R538 R539 R540 R542 R544 R551 R552 R553 R555 R556 R557 R558 R559 R572 R573 R601 R602 R604 R606 R608 R609 R610 R611 R631 R632 R633 R634 R651 R652 R657 0RD1001F609 0RD2001F609 0RD4701H609 0RD1200H609 0RS5602H609 0RS2702K607 0RS2202H609 0RD2202F609 0RD1002F609 0RN3902F409 0RD6800F609 0RD1001F609 0RD3302F609 0RD1000F609 0RD2702F609 0RD1003F609 0RD3001F609 0R...

Страница 28: ... 2 W 5 00 TA52 510 OHM 1 2 W 5 00 TA52 RWR 7W 1 0 OHM J PD SWITCH TACT SKHV17910B NON 12V SWITCH TACT 2 LEAD 21Q91 SWITCH TACT SKHV17910B NON 12V SWITCH TACT 2 LEAD 21Q91 SWITCH TACT SKHV17910B NON 12V The components identified by mark are critical for safety Replace only with part number specified LOCA NO PART NO DESCRIPTION 140 313B 140 315A 140 313B 140 313B 140 313B 140 313B 140 313B 6600VM200...

Страница 29: ...P NO 3854VA0083A S 2001 04 20 All manuals and user guides at all guides com ...

Страница 30: ...PRINTED CIRCUIT BOARD All manuals and user guides at all guides com ...

Страница 31: ...F4 L501 C5 L502 D4 L503 D4 L506 D4 L551 D3 L552 D3 L553 D4 L601 D2 L611 D3 L621 D3 L631 D2 L661 B2 L662 D3 L663 C2 L801 E4 L802 E3 LD01 F1 P102 B5 P302 E5 P541 C3 P601 B2 P602 B2 P701 B2 P901 A2 P902 B1 P903 B2 P01A A4 P02A D1 P03A D1 P05A C1 P06A B2 P301A F4 P301B F4 P301C F4 P301D G4 P801A G1 P801B G1 P802A F1 P802B F1 PA01 F1 PJ201 C5 PJ202 C1 Q01 E1 Q11 B5 Q101 B5 Q102 B5 Q103 C5 Q123 A4 Q211 ...

Страница 32: ...SVC SHEET 3854V A0083A S SVC SHE All manuals and user guides at all guides com ...

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