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LG Electronics RT-21FA35R/RX/V/VX manual

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Table of contents for the manual

  • Page 1

    COLOR TV SER VICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : MC-049B MODEL:RT -21F A35R/RX/V/VX MODEL: RT -21F A315EX/PX website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html[...]

  • Page 2

    - 2 - CONTENTS Contents ...................................................................................................................2 Saf ety Pr ecautions ..............................................................................................3 Contr ol Descriptions ......................................................................[...]

  • Page 3

    - 3 - SAFETY PRECAUTIONS Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by i n 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-RADIATIO[...]

  • Page 4

    - 4 - 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. See the next page. 1. POWER switches the set on from standby or off t[...]

  • Page 5

    - 5 - 13. I/II/ * (option) selects the language during dual language broadcast. (option) selects the sound output. 14. LIST displays the programme table. 15. SLEEP sets the sleep timer . 16. SSM/ * (option) (Sound Status Memory) recalls your preferred sound setting. 17. SURROUND ( º º / * ) (option) selects surround sound. 18. VCR BUTTONS control[...]

  • Page 6

    - 6 - Front panel RF/RT -21F A35 series ON/OFF MENU OK VOL PR 2 L/MONO 1 3 4 5 6 7 2 1. MAIN POWER (ON/OFF) switches the set on or off. 2. POWER/ST ANDBY INDICA TOR illuminates brightly when the set is in standby mode. dims when the set is switched on. blinks when signal is input from the remote control. 3. REMOTE CONTROL SENSOR 4. MENU selects [...]

  • Page 7

    - 7 - SPECIFICA TIONS Note : Specification and others are subject to change without notice for improvement. F Scope This specification can be applied to all the television related to MC-049B Chassis. F Test and Inspection Method 1) Capacity : Follow LG electronics TV testing Standard. 2) Another Required Standard - EMI : Following CE Standard (EN55[...]

  • Page 8

    1. Application Object These instructions are applied to all of the color TV, MC-049B. 2. Notes (1) Because this is not a hot chassis, it is not necessary to use an isolation transformer. However, the use of isolation transformer will help protect test instrument. (2) Adjustment must be done in the correct order.But the adjustment can be changed by [...]

  • Page 9

    (4) Maintain as angle of (3) and rotate the tab to accord with vertical line of Red and Blue color in the middle of screen. (5) Open angle of the two tab of 6 pole magnet by isogonic angle and accord with vertical line of Red/Blue and Green. (6) Maintain as angle of (5) and rotate the tab to accord with horizontal line. In case of twisted horizonta[...]

  • Page 10

    (4) VS (Vertical Shift) adjustment: Adjust so that the geometric vertical center line is in accord with vertical center line of CPT. (5) HS(Horizontal Shift) adjustment: Adjust so that the geometric horizontal center line is in accord with horizontal center line of CPT. 8. OPTION Adjustment 8-1. Preparation for Adjustment 1) This option adjustment [...]

  • Page 11

    - 11 - 8-6. OPTION4 Function OSD L TXT L HOTEL MAX V Option Code 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 1 0~ 100 Function ENG ONLY EU-5EA EU ETC GREECE EU-ALL FARSI ARAB URDU E+HINDI E+I+M+V E+THAI E+CHINA WEST EU EAST EU1 TURKEY EU EAST EU2 CYRILLIC1 CYRILLIC2 CYRILLIC3 TURK GRE1 TURK GRE2 TURK GRE3 ARAB FRA ARAB ENG [...]

  • Page 12

    TROUBLE SHOO TING - 12 - RF - S T E RE O M O D EL S e l e c t e d c o r r e c t s y s t e m I n m e n u C h e c k t h e w a v e f o r m I F 1 o f T U 1 0 1 C h e c k t h e w a v e f o r m A t p i n 4 , 5 o f I C 1 1 C h e c k t h e w a v e f o r m A t p i n 6 o f I C 6 0 1 C h e c k t h e w a v e f o r m A t p i n 2 , 4 o f I C 6 0 1 C h e c k t h [...]

  • Page 13

    - 13 - C H E C K B + A t D 8 2 9 c a t h o d e I s t h e v o l t a g e a t e a c h p i n v o l a g e o f I C 1 1 C h e c k F u s e o f A C l i n e O K C h e c k t h e I n / o u t o f r e g u l a t o r ( I C 8 2 1 , I C 8 2 2 I C 8 2 3 , I C 8 2 4 I C 8 2 5 ) C h e c k p i n 6 0 O f I C 1 1 ( H O u t ) C h e c k Q 4 0 1 C o l l e c t o r w a v e f o[...]

  • Page 14

    - 14 - N O P i c t u r e N o S o u n d I s A n y O S D d i s p l a y e d ? C h e c k I C 1 1 p i n 7 1 , 7 2 , 7 3 ( R, G , B o u t ) O K S t o r e o n m a n u a l - p r o g r a m M E N U D o e s t h e a u t o P r o g r a m O p e r a t e p r o p e r l y C h e c k p i n 4 0 ( V o u t 1 ) 1 Vp - p C h e c k 1 8 V 3 . 3 V 5 V D C Vo l t a g e C h e c [...]

  • Page 15

    - 15 - A V S T ER RO / M O N O M O D E L S e l e c t c o r r e c t s y s t e m I n m e n u O K C h e c k t h e c o n n e c t i o n O f A V e q u i p m e n t C h e c k T U 1 0 1 T u n e r C h e c k t h e w a v e f o r m A t p i n 4 , 5 o f I C 1 1 C h e c k t h e w a v e f o r m A t p i n 1 6 , 1 7 o f I C 1 1 C h e c k t h e v o l t a g e O f p i n[...]

  • Page 16

    - 16 - PRINTED CIRCUIT BOARD MAIN[...]

  • Page 17

    - 17 - ffdf COMPONENT LOCA TION GUIDE C10 ........ C4 C11 ........ C4 C12 ........ C4 C13 ........ C3 C14 .........F1 C16 ........ C2 C21.........E1 C22.........B2 C23.........A4 C24.........A3 C25.........B4 C101.......A5 C102 .......F1 C103 ...... C1 C104.......A5 C105.......A5 C106.......B4 C107.......B5 C108.......B5 C109.......B4 C110.......B4[...]

  • Page 18

    - 18 - PIP[...]

  • Page 19

    BLOCK DIAGRAM - 19 - M I C O M ( I C 1 1 ) VC T 4 9 * * T U N ER ( T U 1 0 1 ) A V -O U T ( J K 2 0 2 ) * S C A RT / P H O N E / D V D F B T ( T 4 0 2 ) A U D I O A M P ( I C 6 0 1 ) RG B A M P ( T D A 6 1 0 7 Q ) ST R -W 6 7 5 4 ( I C 8 0 1 ) A U D I O -O U T RG B H V SC RE EN H / T H-D R I VE ( Q 4 0 1 ) VER T I C A L A M P ( I C 3 0 1 ) T D A 4 [...]

  • Page 20

    - 20 - EXPLODED VIEW 913 170 150 153 112 120 300 121 330 320 943 400 P801 520 315 315 570[...]

  • Page 21

    - 21 - EXPLODED VIEW P AR TS LIST LOCA. No. PART No. DESCRIPTIONS 112 6334V21009A CPT, A51QDJ420X 01 16KHZ BARE AK MASK (CASA-S, AMATIS) 6335V21019A CPT, A51QDJ420X 01MDDR M(+0.30G) 0G RT-21FA35V.LDLLAT7(LGEAK) 6341V21012A BARE CPT ASSEMBLY, LG 21 AK CPT 6334V21009A(6150V-1014J) RT-21FA35RX.ADLLKR 120 120-C77M SPEAKER,FULLRANGE C122P02K1459 ESTEC 8[...]

  • Page 22

    - 20 - REPLACEMENT P ARTS LIST LOCA. NO P ART NO DESCRIPTION D602 D603 D604 D801 D802 D803 D815 D821 D827 D828 D829 D830 D854 D901 D902 D903 D904 DB801 ZD101 ZD122 ZD401 ZD402 ZD501 ZD601 ZD801 ZD803 C10 C101 C102 C103 C104 C106 C107 C108 C109 C1 1 C1 10 C1 1 1 C12 C126 C13 C14 C185 C201 C202 C205 C21 0DD414809ED 0DD414809ED 0DD414809ED 0DD100009AM[...]

  • Page 23

    - 21 - LOCA. NO P ART NO DESCRIPTION C21 1 C214 C215 C216 C217 C23 C24 C25 C252 C253 C254 C255 C256 C259 C260 C303 C304 C306 C402 C403 C404 C405 C409 C410 C41 1 C414 C415 C416 C417 C419 C421 C422 C501 C502 C503 C504 C505 C506 C507 C508 C509 C510 C51 1 C512 C513 C514 C515 C516 C517 C518 C519 C520 0CN4710K519 0CN4710K519 0CN4710K519 0CE226DF618 0CE22[...]

  • Page 24

    - 22 - LOCA. NO P ART NO DESCRIPTION C806 C807 C809 C810 C81 1 C815 C816 C817 C818 C819 C820 C821 C822 C823 C824 C826 C827 C828 C829 C830 C831 C833 C835 C836 C837 C838 C840 C843 C845 C901 C902 C903 C904 L101 L103 L1 1 L12 L202 L208 L21 1 L213 L251 L252 L253 L254 L401 L402 L501 L502 L503 0CK10201515 181-091X 0CE105DK618 0CE336DK618 181-01 1B 0CK8210[...]

  • Page 25

    - 23 - LOCA. NO P ART NO DESCRIPTION R302 R303 R304 R305 R306 R307 R308 R309 R31 R310 R312 R313 R314 R315 R32 R328 R33 R34 R35 R37 R38 R403 R404 R405 R409 R410 R412 R42 R421 R422 R501 R502 R503 R505 R506 R507 R508 R509 R510 R51 1 R512 R513 R514 R515 R516 R517 R518 R519 R520 R521 R522 R523 0RN3602F409 0RD2400A609 0RD0561A609 0RD1002F609 0RD1002F609 [...]

  • Page 26

    - 24 - LOCA. NO P ART NO DESCRIPTION R817 R823 R827 R828 R831 R838 R858 R903 R904 R905 R906 R907 R908 R909 R910 R91 1 R912 R914 SW1 1 SW12 SW13 SW14 SW15 SW16 SW801 FB201 FB801 FB802 FB803 FB825 T802 X1 1 Z101 A1 A1 A1 A2 A2 A3 F801 JK202 P902 P A01 PJ201 0RD0152F609 0RD4701F609 0RD1001F609 0RD1501F609 0RD2201F609 0RD4701F609 0RD4701F609 0RD2200F60[...]

  • Page 27

    P/NO: 3854V A0162A - S1 2004.6.12[...]

  • Page 28

    SV C. SHEET : 3854V A0162A-S[...]

  • Page 29

    Sep.,2004 Printed in Korea P/NO : 3828VD0188H[...]