Table of Contents
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Table of Contents
Related Manuals for LG 21FS4RLX
Summary of Contents for LG 21FS4RLX
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Page 1: Service Manual
COLOR TV SERVICE MANUAL CHASSIS : CW62B MODEL: 21FS4RLX MODEL: 21FS4RLX-ZV CAUTION BEFORE SERVICING THE CHASSIS, 更多难得资料请到江南家电维修论坛免费下载！ READ THE SAFETY PRECAUTIONS IN THIS MANUAL. http://bbs.520101.com Jan., 2007 P/NO : MFL31616401 e Printed in China... -
Page 2: Table Of Contents
CONTENTS Contents ....................2 Safety Precautions..................3 Control Descriptions ................4 Specifications....................7 Adjustment Instructions................8 SVC Remocon ..................13 Trouble Shooting ..................14 更多难得资料请到江南家电维修论坛免费下载！ Printed circuit board................17 http://bbs.520101.com Block Diagram..................19 Exploded View..................20 Exploded View Parts List ...............21 Replacement Parts List ................22 SVC. Sheet....................- 2 -... -
Page 3: Safety Precautions
SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. 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. -
Page 4: Control Descriptions
DESCRIPTION OF CONTROLS All the functions can be controlled with the remote control handset. Some functions can also be adjusted with the buttons on the front panel of the set. Remote control handset Before you use the remote control handset, please install the bat- teries. - Page 5 8. FAVOURITE selects a favorite programme. 9. EYE/ (option) switches the eye function on or off. 10. MUTE switches the sound on or off. 11. TV/AV selects TV or AV mode. switches the set on from standby. exits the Teletext mode (option) . 12.
- Page 6 1. MAIN POWER (ON/OFF) switches the set on or off. 2. POWER/STANDBY INDICATOR illuminates brightly when the set is in standby mode. dims when the set is switched on. 3. REMOTE CONTROL SENSOR Note : Only use the supplied remote control handset.
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Page 7: Specifications
3 @ @ @ @ @ @ @ @ 5 h V 4 @ @ @ @ @ @ 0 Y h I 4 @ @ 0 M h e 1) performance : Follow the Standard of LG TV test parts,based upon P/N of B.O.M 2) Standards of Etc. requirement 5) Warm up TV set for more than 20min. -
Page 8: Adjustment Instructions
HEAT RUN adjusting DY. to the adjustment. (6) Signal: Received, the standard color signal.(65dB±1dB uV) Convergence Magnet 6Pole 4 Degaussing LG standard signal means the digital pattern (PAL_EU 05CH,NTSC_US 13CH). STC Pre-Adjustment ¢‚ 15 ~ 20mm PURITY Adjustment 3. Focus adjustment Let the screen Standard condition. -
Page 9: Screen Voltage Adjustment
(3) Widen two tabs of 4pole Magnet with equal angles and <Table 3> White Balance Initial Data accord red,blue vertical lines at the center of screen. 1. IC PARAMETER (4) With keeping angle of "c.clause",rotate tab and accord Name Maker Algorithm red/blue,green vertical lines at the center of screen. - Page 10 (3) VL (Vertical Linearity) (11) H ANGLE Adjust so that the boundary line between upper and lower Adjust the vertical slope half is in accord with geometric horizontal center of the CPT(PAL : E5ch., NTSC : US-13.). (12) S CORRECT (S CORRECTION) Adjust the receive Patter, keep the lattice's range (4) VA (Vertical Amplitude) same(Top/Center/Bottom)
- Page 11 9. SVC DEFAULT DATA [Table 7] SERVICE 4 (manage DATA by EEPROM MASTER) ITEM Description N-EU Refer WHITE STRETCH [Table 5] SERVICE 1 BLACK STRETCH CW62B BLACK STRATCH DEPTH ITEM DESCRIPTION N-EU DYNAMIC SKIN CONTROL ACG take over VIDEO DEPENDENT CORING PEAKING FREQUENCY DELAY Red Gain RATION POSITIVE/...
- Page 12 <Tabel 11> PSM MODE DATA SETTING (PAL) OPTION DATA BOM example ? W & @ @ ) X ? h ? ? W & ? h e ? W & @ L h e ? W & @ @ @ @ ) X h ? ? W &...
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Page 13: Svc Remocon
SVC REMOCON 更多难得资料请到江南家电维修论坛免费下载！ http://bbs.520101.com - 13 -... -
Page 14: Trouble Shooting
TROUBLE SHOOTING 1. RF-STEREO MODEL 1) PICTURE OK / NO SOUND Selected correct system in menu Check the waveform IF 1 of TU101 Check/ Replace TU101 or Input signal Check the voltage at pin 3, 9, 16, 43, Check the waveform at pin 4, 5 of IC11 Check/ Replace IC11 86, 88, 90 of UOCIII Check the waveform at pin 4, 12 of... - Page 15 3) No Raster (2/2) Check the B + at D829 cathode Normal Abnormal OPEN Check Fuse of AC line Is the voltage each pin voltage of IC11 Check/ Replace Fuse Check the in/out of r e g u l a t o r ( I C 8 2 2 , Check pin 73 of Check the voltage of IC823, IC824)
- Page 16 4) No Picture/ No Sound Is any OSD displayed? Check IC11 pin 83, Check receiving system in MENU 84, 85 (R, G, B out) & execute Auto - Program Does the auto - Program operate properly Store on manual -program MENU Check the waveform Check IC11 pin 83, Check SMPS Trans...
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Page 17: Printed Circuit Board
PRINTED CIRCUIT BOARD MAIN 更多难得资料请到江南家电维修论坛免费下载！ http://bbs.520101.com - 17 -... - Page 18 SIDE A/V 更多难得资料请到江南家电维修论坛免费下载！ http://bbs.520101.com - 18 -...
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Page 19: Block Diagram
BLOCK DIAGRAM 更多难得资料请到江南家电维修论坛免费下载！ http://bbs.520101.com - 19 -... -
Page 20: Exploded View
EXPLODED VIEW 更多难得资料请到江南家电维修论坛免费下载！ http://bbs.520101.com - 20 -... -
Page 21: Exploded View Parts List
Cover Assembly 21FS4RG-TS MC059C 21" SY-LGEAL ACQ31198903 Cover Assembly 21FS4 MC059C 20''/21'' MA TOOL EBR33932901 PCB Assembly, Main MAIN M.I CW62B 21FS4RLX-ZV KDRLLEY EBR33932910 PCB Assembly, Main MAIN M.I CW62B 21FS4RLX-ZV KDR EBR33392711 PCB Assembly, Main MAIN M.I CW62B 21FS4RLX-ZV QUPLLCP EBR33392712 PCB Assembly, Main MAIN M.I CW62B 21FS4RLX-ZV QDRLLBK... -
Page 22: Replacement Parts List
REPLACEMENT PARTS LIST For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;... - Page 23 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 24 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 25 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 26 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 27 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 28 更多难得资料请到江南家电维修论坛免费下载！ http://bbs.520101.com P/No : EBY31683801 2006.08.22...
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Page 29: Svc. Sheet
更多难得资料请到江南家电维修论坛免费下载！ SVC. SHEET : EBY31683801-S http://bbs.520101.com...