LG 21FS7RE Service Manual Download Page 17 | Manualshive

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Maneuver defectiveness

Maneuver defectiveness

In case of influx NOISE
- R/C is not operate

Maneuver defectiveness

1. TV FUNCTIONAL

2. TU / IF SECTION

3. VIDEO PROCESSING

TROUBLE SHOOTING

Copyright©2007 LG Electronics.Inc. All right reserved.
Only for training and service purposes.

LGE Internal Use Only

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Summary of Contents for 21FS7RE

Page 1: ...CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 059C MODEL 21FS7RG RE RGG 21FS7RG RE RGG TS website http biz LGservice com Nov 2007 Printed in China P NO 38289S0050K Internal Use Only ...

Page 2: ...ECIFICATIONS 6 ADJUSTMENT 8 PRINTED CIRCUIT BOARD 15 TROUBLE SHOOTING 17 BLOCK DIAGRAM 21 EXPLODED VIEW 22 EXPLODED VIEW PARTS LIST 23 REPLACEMENT PARTS LIST 24 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 3: ...ic 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 position connect one lead of ohm meter to the AC plug prongs tied together and touch o...

Page 4: ...on or off 5 Programme Up Down selects 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 7 PSM Picture Status Memory recalls your preferred picture setting 8 FAVOURITE selects a favorite progra...

Page 5: ... table 13 SLEEP sets the sleep timer 14 SSM Sound Status Memory option recalls your preferred sound setting COLOURED BUTTONS These buttons are used for teletext only TELETEXT models or programme edit 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 FAVOURITE 9 10 11 12 13 14 Copyright 2007 LG Electronics Inc All right reserved Only for training and serv...

Page 6: ... 1 Performance LGE TV test method followed 2 Demanded other specification CCC Safety K60065 6 A General specification SPECIFICATIONS Note Specification and others are subject to change without notice for improvement Item Receiving System Available Channel Input Voltage Market Screen Size Aspect Ratio Display Method Tuning System Operating Environment Storage Environment Specification PAL BG DK I N...

Page 7: ...Copy Move Delete Skip 8 Channel Dynamic Standard Mild Game User Contrast Brightness Color Sharpness Tint NTSC M Only Flat Music Movie Speech User 0 100 100 400 1K 4K 10K Low Band 7ch 87 7 87 9 88 1 88 3 88 5 88 7 88 9 MHz High Band 7ch 106 7 106 9 107 1 107 3 107 5 107 7 107 9 MHz Wide Range 1091ch 88 0 107 0MHz Off On Pr 1 VOL 30 Off On On Off Chinese English English Russia English Indonesia Thai...

Page 8: ...tal Pattern 480NC 2 Press the ADJ key of factory remote control once to make the TV set display 3 Turn the screen volume on the FBT clockwise until the horizontal line is visible and turn it counterclockwise until horizontal line faintly visible Exit screen voltage adjustment by press Enter A key of factory remote control 5 Purity and Convergence Adjustment 5 1 Purity adjustment 1 Adjustment Prepa...

Page 9: ...te control 2 Enter white balance adjustment mode by pressing INSTART key 3 Use the CHD CHE Key to choose adjustment item 4 Use the VOLF VOLG Key to change item data 5 Adjustment Procedure a Make the picture luminance 45Ft L by changing the CONTRAST and BRIGHTNESS b Adjust X data of High light with R DRIVE VP7 and Y data with B DRIVE VP9 to have the color temperature as shown below c Make the pictu...

Page 10: ...usting variable resistance VR401 of the main A ssy Adjustment is done so that the vertical line of the remotest grid at the left or right side of the screen will be parallel to the vertical line of the center of screen or the remotest grid of CPT 10 IIC BUS Adjustment Data Table Refer to TABLE 1 11 Instrument setting data automatic adjustment TABLE 2 12 EEPROM OPTION TABLE TABLE 3 Speed 1 SLave AD...

Page 11: ... PRESCALER SCART PRESCALER A2 PRESCALER MONO THRESHOLD A2 THRESHOLD OPTION 1 DVD TURBO ME V CURVE V MUTE EYE FLAT SND MUTE GAME OPTION2 TURBO ARC 200PR BLUEBACK TURBO AT SHARP DVDN 6P OPTION3 FM TRANS NTSC AV PSEU SYNC KI A2 SW LNA SWOOFER OPTION 4 SYSTEM SND MODE AV LOC KEY COLOR T PLL DIV OPTION 5 FM PRE NICAM PRE SCART PRE A2 FM TH FIRST TH ZWT TH INITIAL 0 0 1 1 0 1 1 0 0 1 0 0 1 0 0 0 0 1 1 1...

Page 12: ...DC Restoration Select Black Stretch Start Point Select Black Stretch Gain Select C Bypass C Kill On C Kill Off Color Killer Operational Point R B Gain Balance R B Angle B Y DC Level R Y DC Level Video Level OVER MOD SW OVER MOD LEVEL Tint Through Range 0 63 0 31 0 15 0 127 0 255 0 255 0 255 0 127 0 15 0 127 0 31 0 31 0 3 0 3 0 3 0 1 0 63 0 7 0 1 0 1 0 15 0 1 0 7 0 7 0 1 0 1 0 3 0 63 0 3 0 127 0 12...

Page 13: ...cessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Refer to table 1 1 Menu VP 81 VP 82 VP 83 VP 84 VP 85 VP 86 VP 87 VP 88 VP 89 VP 90 VP 91 VP...

Page 14: ... RCA JACK 12 3 Signal Sound Adjustment Condition 1 Necessary parts and instrument Adjustment remote control with signal sound check button LG standard DATA CODE FC h FD h 2 Checking 1 Received US30CH standard signal 2 Check CONTRAST BRIGHTNESS COLOR TINT SHARPNESS by pressing the Signal Check button continuously 3 Received US06CH 4 Check STEREO function by pressing Sound Check button 13 TV CABLE T...

Page 15: ... 15 PRINTED CIRCUIT BOARD MAIN Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 16: ... 16 SIDE A V Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 17: ...s In case of influx NOISE R C is not operate Maneuver defectiveness 1 TV FUNCTIONAL 2 TU IF SECTION 3 VIDEO PROCESSING TROUBLE SHOOTING Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 18: ... 18 4 SMPS PRIMARY SECTION 5 SMPS SECONDARY SECTION Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 19: ... 19 6 VERTICAL SECTION 7 HORIZONTAL SECTION Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 20: ...8 SOUND PROCESSING SECTION 20 9 CPT DRIVE SECTION Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 21: ... 21 BLOCK DIAGRAM Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 22: ... 22 EXPLODED VIEW 300 310 330 121 120 600 112 174 520 400 943 913 170 150 320 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 23: ...D ABS 380 6 KEY ABS 380 21FS7RG 320 320 062H Spring CUTTING STSC304 COIL STSC304 330 MBG36628801 Button Power MOLD ABS HF 380 21FS7RG TS ABS HF38 400 ACQ32599502 03 04 05 Cover Assembly 21FS7RK LS MC 059C 21 LGESY TOOL 520 EBR36751114 20 23 PCB Assembly MAIN M I MC059C 21FS7RG TS NDKLCDA EBR35123051 52 55 66 PCB Assembly MAIN M I MC059C 21FS7RGG TS EBR35123048 50 73 77 PCB Assembly MAIN M I MC059C...

Page 24: ...1G 4 7uF 20 50V LOCA NO PART NO DESCRIPTION IC02 IC301 IC401 IC501 IC601 IC701 IC751 IC801 IC802 IC803 IC804 IC805 Q10 Q101 Q102 Q111 Q16 Q241 Q301 Q401 Q402 Q403 Q801 Q813 Q901 Q902 Q903 D111 D301 D302 D303 D403 D405 D406 D407 D408 D411 D505 D601 D801 D802 D803 D813 0IAL241610B 0IPRP00741A 0ISG814500A EAN36193601 0IPMGSA024B 0IPRPSA017A 0IPRPSA018A 0IPMGSK016B 0IPRPKD003A 0IKE780500Q 0IMCRKE002B ...

Page 25: ...SCRIPTION C519 C521 C522 C523 C524 C526 C527 C528 C529 C530 C531 C532 C533 C534 C535 C537 C539 C540 C542 C543 C548 C56 C602 C603 C604 C606 C608 C609 C610 C611 C612 C613 C614 C627 C674 C701 C702 C704 C705 C706 C707 C708 C709 C710 C711 C713 C714 C715 C716 C717 C719 C720 0CN1030F679 0CE107DD618 0CN2220F569 0CE477DD618 0CE474DK618 0CE107DD618 181 007G 0CN1030F679 0CE105DK618 0CE225DK618 0CE474DK618 0C...

Page 26: ...L404 L501 L504 L802 T402 T403 T803 G1 G10 G11 G12 G13 G14 G15 G16 G17 G18 G2 G20 G21 G22 G23 G24 G25 G27 G28 G29 G3 G30 G33 G34 G35 G37 G38 G39 G4 G40 G41 G42 G43 0LA1000K119 0LA1000K119 0LA1000K119 0LA1000K119 0LA1000K119 0LA0102K119 0LA0102K119 61409B0007A 6140VY0024H 61409B0007C 61409B0007D 0LA0102K119 0LA0821K119 150 C02F EBJ34806701 151 C02B 61709MC016A 336 072C 336 072C 336 072C 336 072C 336...

Page 27: ...2 R150 R152 R153 R154 R16 R17 R18 R19 R20 R21 R22 R226 R23 R247 R249 R250 R251 R252 R301 R303 R304 R305 R306 R307 R308 R309 R310 R311 R312 R313 R315 R316 R318 R401 R403 R404 R405 R406 R407 R408 R409 R41 R410 0RD0222F609 0RD3900F609 0RD1802F609 0RD1003F609 0RS2702H609 0RD4701F609 0RD2201F609 0RD2201F609 0RX0392K618 0RD1003F609 0RD1002F609 0RD1001F609 0RD1001F609 0RD1201F609 0RD2401F609 0RD2701F609 ...

Page 28: ...6 R608 R611 R618 R620 R65 R66 R69 R701 R702 R703 R704 R705 R706 R707 R708 R711 R713 R72 R722 R760 R761 R803 R804 R805 R806 R807 R808 R809 R810 R812 R814 R816 R82 R823 R831 R832 R835 R884 0RD1000F609 0RD1000F609 0RD1000F609 0RD1000F609 0RD1001F609 0RD4701F609 0RD4701F609 0RD1002F609 0RD0221A609 0RD0221A609 0RD0221A609 0RD0221A609 0RD4301F609 0RD8201F609 0RD8201F609 0RD4301F609 0RD1002F609 0RS0561K6...

Page 29: ...5M 38 9MHZ 17 3 3 9 8 7 SIP Manual USER MC059C LG NEU FL Manual USER MC059C LG NAGHI AR EN Manual USER MC059C LG NEU AR EN Manual USER MC059C KA RU EN Manual USER MC059C FR EN Manual USER MC049B LG 16 GAME Manual USER MC059C VLASER RU EN Manual USER MC059C RU EN Manual USER MC059C RUS BZ RU EN Manual USER MC059C SAKAL HE AR EN Manual Owners USER MC059C RU EN Remote Controller COMPLEX MC059C 21FS2 ...

Page 30: ...P No 38549D0026A LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 31: ...SVC SHEET 38549D0026A S ...

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