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P/NO.:3854VA0196D (08.04.14)

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Содержание 21FG5RG

Страница 1: ...ION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS CW81B MODEL 21FG5RL RG RLG MODEL 21FG5RL RG RLG T4 Z4 website http biz LGservice com May 2008 Printed in China P NO MFL42115603 Internal Use Only ...

Страница 2: ...ECAUTIONS 3 SPECIFICATIONS 4 ADJUSTMENT 6 TROUBLE SHOOTING 13 BLOCK DIAGRAM 17 PRINTED CIRCUIT BOARD 18 EXPLODED VIEW 20 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 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...

Страница 4: ...ing System Available Channel Input Voltage Market Screen Size Aspect Ratio Display Method Tuning System Operating Environment Storage Environment Specification PAL BG DK I NTSC M AV 3 58 4 43 PAL BG DK I NTSC M AV 3 58 4 43 SECAM DK PAL NM NTSC M AV 3 58 PAL BG DK I NTSC M AV 3 58 4 43 SECAM BG DK L VHF E2 E12 UHF E21 E69 CATV S1 S20 HYPER S21 S41 AC220V 50 60Hz AC100 240V 50 60Hz Korea Latin Amer...

Страница 5: ...e System Channel Fine Search Name Copy Move Delete Skip 8 Channel Dynamic Standard Mild Game User Contrast Brightness Color Sharpness Tint NTSC M Only ON OFF Flat Music Movie Speech User 0 100 ON OFF Wide Range 191ch 88 0MHz 107 0MHz Off On Pr 1 VOL 30 Off On On Off English Indonesia Thai Vietnam TV AV1 AV2 Component On Off Remark Rear1 Front1 CVBS L R Tool Option For China Vietnam Thai CIS Rear R...

Страница 6: ...s 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 Preparation 1 Receive Red Raster Pattern for purity adjustment 51CH 2 Demagnetize the CPT and Cabinet with a degaussing coil 2 Adjustment 1 Pre adjust the static convergence ...

Страница 7: ...and factory remote control 2 Enter white balance adjustment mode by pressing INSTART key of factory remote control 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 and Y data of high light with B DRIVE to have the c...

Страница 8: ...he size of the upper circle is alike with the one of the lower circle at LG standard pattern PAL EU05CH NTSC 13CH 3 Vertical Size Adjustment Select SVC02 VA and adjust so that the middle circle of the Digital Pattern PAL B G 5CH has 6 7mm gaps from the effective screen of CPT 4 Horizontal Position Adjustment Select SVC02 H POS and adjust so that the left and right vertival line are symmetrical as ...

Страница 9: ...ausss HOTEL 200Pr OPTION 3 NTSC DUAL SV PIPI SND1 FL1 SND1 FL2 SND2FL1 SND2 FL2 HIDEV OPTION 4 OSD LANG TXT LANG OPTION 5 Snd Mode AV Local Key REMARK REMARK REMARK REMARK REMARK CODE 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 CODE 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 CODE 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 CODE 0 1 2 0 1 2 3 CODE 0 1 2 0 1 2 0 1 2 DESCRIPTION 1 Slim Ultra 0 Normal Flat 1 With 0 Without 1 With 0 Wit...

Страница 10: ... SECAM stop 1 Forced DDS mode always work Delay Test 0 3 58MHz Trap 1 4 43MHz Trap 2 Wide mode 3 4 286MHz Trap 0 3 58MHz peaking 1 3 58MHz symmetrical 2 4 43MHz peaking 3 4 43MHz symmetrical 0 Chroma trap ON composite video mode 1 Chroma trap OFF YCbCr mode and YC mode 0 Coring OFF 1 Coring Gain 1 minimum 2 Coring Gain 2 middle 3 Coring Gain 3 maximum 0 narrow 3 wide 0 narrow 3 wide 0 WPL OFF 1 Hi...

Страница 11: ...0 Bypass OFF 1 Bypass ON used in Y C mode 0 Automatic mode TV in operation 1 Enforce killer ON when color control is min 0 TV in operation 1 Test mode killer circuit is not in operation 0 7 30dB 40dB 0 7 Auto green off level high 0 Normal mode 1 Tint control set center value cann t control tint 0 Easy to become NTSC 1 Easy to become PAL 0 7 0 Normal mode 1 VCO free run mode 0 FSC OUT 1 EHT 0 PAL N...

Страница 12: ...ting Ext B Drive setting DDS Band Pass Filter Secam IC Only Secam IC Only Secam IC Only Secam IC Only Secam IC Only Secam IC Only Text Only Text Only 0 Cut off freq high 1 Cut off freq low 0 Normal 1 IC Test Mode 0 7 0 Normal 1 IC Test Mode 0 Normal 1 IC Test Mode 0 100 0 100 0 31 0 31 1 3 1 3 0 255 0 49 0 49 0 49 0 49 0 143 0 255 0 143 0 255 0 255 0 255 Initial PAL 0 0 1 4 0 0 8 100 0 0 15 1 1 0 ...

Страница 13: ...C521 R528 RGB 9V C510 C511 R515 IF VCC C528 C526 L528 C547 VCC C518 L503 POWER SUPPLY SECTION 1 CHIP IC IC501 LV762XX 61 64 31 32 1 13 12 41 17 22 12500 VIDEO MICOM 46 49 TUNER NO CH SEARCH NO PICTURE NO SOUND X501 R537 OSC SECTION 4 43MHz SET Maneuver defectiveness Clock Error OSD Not Working MENU Picture Error L IN L221 C215 R IN L222 C222 IN L225 R226 IN C210 C211 C212 IN L221 C215 IN L222 C222...

Страница 14: ...01 7 Vcc T X Pre Amp 110V D824 SFAF504G C831 330u 25V 11V D813 RU3AMV C826 1000u 16V R873 47 0 5W D Coil Relay MAIN IC 24 Vcc EEPROM 8 Vcc IC804 LV76213 9 Vcc D826 RU3AMV LV76213 20 Vcc LV76213 49 Vcc FBT B R833 RS 0 47 2W L802 82uH FR403 RF 1 2 2W Tuner 30V KIA78R09API 112 17V 395mA 110 1V 110 07V 109 63V 380mA 29 97V 10mA 3 3V 10mA 5 0V 13mA 8 0V 15mA 14V 25mA KIA78L05BP IC803 R620 RS 5 6 2W 5 0...

Страница 15: ...PROTECTION ENABLE POWER OFF 15300 15301 15303 15305 15304 15306 15308 FR301 D301 C303 C309 C306 O STAGE V REF R305 R309 R311 C322 6 VERTICAL SECTION H O R Z D Y FBT T402 HORZ DRIVE SECTION R403 R401 Q401 T403 C404 H OUT 47V VCC DEFLECTI0N PROB POWER OFF HORZ O P SECTION Q402 C414 HORZ DEF COMPENSATION SECTION HEATER VOLTAGE FR401 X RAY WORKING SAFETY PROB ROLLING PICT 180V VOLTAGE FR501 D505 C540 ...

Страница 16: ...O PROCESSING SECTION CPT e GUN ONE SIGNAL R G B MISSING NO PICTURE CPT Dead 16004 DISCHARGE PROTECTION CIRCUIT ONE SIGNAL R G B MISSING 16101 R G B Signal IN L902 L903 L904 16005 Spot Killer CIRCUIT SPOT TRAY C901 R902 D903 16002 Vcc 180V 1 5 GND R G B L902 L903 L904 R915 C907 R905 C904 R922 C902 R921 R906 R916 Q901 Q902 9V R908 L901 180V D902 9 CPT DRIVE SECTION The CPT BOARD assembly is composed...

Страница 17: ... 5V 5 1V IC751 LA72730 STEREO Opt IC751 LA72730 STEREO Opt JA01 HIC291 Game Pack Game Opt HIC291 Game Pack Game Opt 4 5 6 8 7 From USOC Video Game Audio Game 54 SIF out IF 3 6 11 1 4 7 2 5 9 LA72702 BTSC IC701 LIN TV RIN TV 2 1 19 20 R L Out L OUT R OUT SAW SAW 5 9 10 IF IN Z102 10 11 13 14 15 12 SIF IN 32 61 V OUT Mono 18 17 18 2 7 50 Ext R L IN 49 RGB 9V SCL SDA 27 26 33V ST 5V 9v From IC804 9v ...

Страница 18: ... 18 PRINTED CIRCUIT BOARD MAIN Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 19: ...d Only for training and service purposes LGE Internal Use Only CPT W2 h W Hh 7 5 h J H h 7 5he J Hhe 7 he he he he he he he 3 he N Lhe 3 1he N L h 3 1 h V Lh V4 h option 6X he N Xhe 3 1he N L h 3 1 h N Lh 1h h h h h h h 5h J Hh 7 5 h J H h 7 5he J Yhe 0Y he ...

Страница 20: ...l and mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IM...

Страница 21: ...P NO 3854VA0196D 08 04 14 ...

Страница 22: ...SVC SHEET 3854VA0196D S ...

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