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SPECIFICATIONS

Note :

Specification and others are subject to change without notice for improvement.

Video input system:

PAL-B/G, D/K, I/I
SECAM-B/G, D/K,L/L’
NTSC M
NTSC 4.43

Intermediate Frequency (Unit : MHz)

VISION IF : 38.9MHz
COLOR IF : 34.47MHz(4.43)

35.32MHz(3.58) : NTSC-M
VIF-4.25000MHz
VIF-4.40625MHz

SOUND IF :

33.4MHz (B/G)
32.9MHz (I/I)
32.4MHz (D/K)
34.4MHz (M)

Power requirement :

110~240V, 50/60Hz

Power consumption :

STAND-BY :

Tuning system :

FVS
100 Programme memory
200 Programme memory(W/O TXT)

Antenna input impedance :

VHF/UHF 75 ohm, unbalanced

OSD (On Screen Display) :

EASY-MENU

Voice coil impedance :

8 ohm

Sound output :

¡¿

2(MAX)

Dual/Stereo : A2/NICAM(Option)

External connection :

Head Phone Jack

A/V in : 2
PERI Connector(Full Scart) : 1
DVD in

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

Feature :

Auto programme/Manual programme
CSM (Color Status Memory)
Auto Sleep
Turbo Picture & Sound
Programme Editing
PSM (Picture Status Memory)
Teletext (TOP/FLOF/LIST)
ACMS
Auto Volume Level
Game
SSM(Sound Status Memory)
Favorite Program

Tuning range

Band

VHF-Low

VHF-High

Hyper

UHF

S1'-S3', S1

S2-S10,

S11-S20

S21-S41

For TV

For CATV

B/G

Ch2-4

Ch5-12

D/K

Ch1-5

Ch6-12

I/I

Ch4-13

NTSC

Ch2-13

Ch21-69

Ch14-69

(

)

: SECAM

All manuals and user guides at all-guides.com

all-guides.com

Содержание RF-21FB20R

Страница 1: ...AD THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 019A MODEL RF RT 21FB20R RE RQ RX RW MODEL RF RT 21FB20V VE VG VQ VW website http biz LGservice com e mail http www LGEservice com techsup html 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 20 SVC Sheet All manuals and user guides at all guides com ...

Страница 3: ...e receiver to the customer always 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 th...

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: ...coil impedance 8 ohm Sound output 7W 2 MAX Dual Stereo A2 NICAM Option External connection Head Phone Jack A V in 2 PERI Connector Full Scart 1 DVD in 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 Feature Auto programme Manual programme CSM Color Status Memory Auto Sleep Turbo Picture Sound P...

Страница 7: ... 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 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 PSM Picture Status Me...

Страница 8: ...y TELETEXT 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 ...

Страница 9: ...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 sur rounding conditions 12 TURBO SOUND PICTURE option switches Turbo sound or Turbo picture function on or off Note Do not place any heavy objects over 4Kg on the RF RT 21FA30 31 32 ser...

Страница 10: ... 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 Alwa...

Страница 11: ...eral 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 Æ 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 Function R...

Страница 12: ...e 4 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 Æ button to memorize the data Test Point AGC TP C101 Adjust Remote Controller 12 Tuner P N Marker AGC Voltage 6700VPF009G LG Innotek W S TUNER 2 7 0 05V 6700VPF016A DAEWOO W S TUNER 2 7...

Страница 13: ...enter 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 of the CPT HS Hor...

Страница 14: ...ber wedges from the bell of the picture tube and then slide the yoke completely 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 ...

Страница 15: ...and then turn the receiver off again 8 Unplug the 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 Ma...

Страница 16: ... right motion to converge the red 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 ...

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 120 124 123 174 520 913 170 150 153 112 530 330 320 700 540 943 400 300 310 550 121 600 501 All manuals and user guides at all guides com ...

Страница 19: ... 21FB20VE CKD 6871VMM886P PWB ASSY MAIN 019A RT 21FB20V 6871VMM886N PWB ASSY MAIN 019A RT 21FB20R 6871VMM792V PWB ASSY MAIN 019A RT 21FB20VQ SCART 6871VMM792W PWB ASSY MAIN 019A RT 21FB20RQ 6871VMM792Y PWB ASSY MAIN 019A RT 21FB20VQ 6871VMM886S PWB ASSY MAIN 019A RT 21FB20RX 6871VMMN18L PWB ASSY MAIN 019A RT 21FB20RW 6871VMM815C PWB ASSY MAIN 019A RT 21FB20VE SKD 6871VMMA89P PWB ASSY MAIN 019A RT ...

Страница 20: ...LED MODULE ASSY 4PIN DIODE ZENERS MTZJ9 1B TP ROHM K DO34 0 5W DIODE ZENERS GDZJ5 1B TP GRANDE DO34 0 5W LOCA NO PART NO DESCRIPTION ZD441 ZD442 ZD443 ZD501 ZD601 ZD901 Q102 Q103 Q211 Q212 Q213 Q214 Q215 Q216 Q301 Q402 Q442 Q551 Q552 Q553 Q554 Q555 Q571 Q621 Q651 Q653 Q671 Q672 Q801 Q802 Q806 Q1101 C01 C02 C03 C04 C05 C07 C51 C101 C102 C102 C107 C109 C110 C111 C112 C113 0DZ620009AK 0DZ820009BF 0DZ...

Страница 21: ... C603 C605 C606 C607 C612 C631 C632 C633 C634 C635 C636 C637 C638 C639 C640 C641 C642 C643 C644 C645 C646 C661 C662 C663 C664 C665 C666 C667 C668 C669 C670 C671 C672 C673 C674 C675 C676 C677 0CQ4721N509 0CX4700K409 0CE107DD618 0CE107DF618 0CQ1021N509 0CE475DK618 0CQ1041N509 0CE475DK618 0CE226DF618 0CF2241L438 0CQ6821N509 0CQ4721N509 0CQ6821N509 0CQ4721N509 0CF2241L438 0CN1030F679 0CE477DH618 0CF47...

Страница 22: ...547 T401 T402 T802 P01A P02A P07A P102 P103 P301 P601 P602 P603 P802A P802B P803A P803B P902 P903 P1107 P1205 P1206 131 096N 0FF4001A234 0LA0102K119 0LA1000K119 0LA0102K119 0LA0680K119 0LA0101K119 0LA0102K119 6140VE0001V 6140VB0001F 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA0681K119 0LA0561K119 0LA0102K049 0LA0102K119 0LA0102K119 0LA0102K119 150 C02F 0LA0101K119 0LA0681K119 0LA0681K119 0L...

Страница 23: ...R201 R204 R205 R206 R207 R208 R212 R213 R214 R215 R216 R217 R218 R219 R220 R221 R222 R223 R224 R225 R226 R227 R228 R251 0RD1000F609 0RD1000F609 0RD1002F609 0RD1202F609 0RD1802F609 0RD1000F609 0RD1000F609 0RS0272J607 0RD0392F609 0RD0562F609 0RD1201F609 0RD3601F609 0RD1000F609 0RD6800F609 0RD0272F609 0RD1000F609 0RD6801F609 0RD2201F609 0RD2201F609 0RD1001F609 0RD1001F609 0RD1203F609 0RD3303F609 0RD0...

Страница 24: ...608 R609 R610 R611 R631 R632 R633 R634 R651 R652 R657 R662 R663 R664 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 R1101 0RD4701F609 0RD1800F609 0RD5600F609 0RD2403F609 0RD4701F609 0RD1002F609 0RD3601F609 0RD2401F609 0RD7501F609 0RD3601F609 0RD2401F60 0RD7501F609 0RD4702F609 0RD4702F609 0RD1302F609 0RD1000F609...

Страница 25: ...SH SDKEA3 IEC 250V 8A HORIZO FILTER EMC BI3857 FEELUX 5 7X3 6MM AXIAL FILTER EMC BI3857 FEELUX 5 7X3 6MM AXIAL FILTER EMC BI3857 FEELUX 5 7X3 6MM AXIAL FILTER BAND PASS XT6 0MB BAOTONG 6 0MHZ FILTER BAND PASS XT565MB BAOTONG 5 5 6 5MHZ FILTER BAND PASS XT4 5MB BAOTONG 4 5MHZ FILTER SQE2828 18 35MH RESONATOR CRYSTAL HC49U KJE RADIAL 12 000MHZ 30P RESONATOR CRYSTAL HC49U KJE RADIAL 18 000MHZ FILTER ...

Страница 26: ... C4 C535 C4 C536 C4 C538 C3 C540 C4 C541 C4 C542 C4 C543 C3 C544 C3 C545 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...

Страница 27: ...P NO 3854VA0083A S 2001 04 20 All manuals and user guides at all guides com ...

Страница 28: ...SVC SHEET 3854V A0083A S SVC SHE All manuals and user guides at all guides com ...

Страница 29: ...Jan 2004 Printed in Korea P NO 3828VD0126C All manuals and user guides at all guides com ...

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