Instruction/ maintenance manual of the product RT-21FA35R/RX/V/VX LG Electronics
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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.
- 2 - CONTENTS Contents ...................................................................................................................2 Saf ety Pr ecautions .........................................................................................
- 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.
- 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.
- 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.
- 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.
- 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.
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.
(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.
(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.
- 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 .
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 .
- 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.
- 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 .
- 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.
- 16 - PRINTED CIRCUIT BOARD MAIN.
- 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.
- 18 - PIP.
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 .
- 20 - EXPLODED VIEW 913 170 150 153 112 120 300 121 330 320 943 400 P801 520 315 315 570.
- 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.
- 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 .
- 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.
- 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 C9.
- 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 R.
- 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 .
P/NO: 3854V A0162A - S1 2004.6.12.
SV C. SHEET : 3854V A0162A-S.
Sep.,2004 Printed in Korea P/NO : 3828VD0188H.
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