Instruction/ maintenance manual of the product CT-25 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-007A MODEL:CT -25/29Q47E/P/EN/EX MODEL: CT -25/29Q46EN CF-29F84 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 - SPECIFICA TIONS Note : Specification and others are subject to change without notice for improvement. ¡ Video input system: PAL-B/G, D/K, I/I SECAM-B/G, D/K/L/L’ NTSC M NTSC 4.43(AV) ¡ Intermediate Frequency (Unit : MHz) VISION IF : 38.9MHz,33.
- 5 - 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.
- 6 - 0 2 3 1 5 6 4 8 9 7 POWER MENU LIST ARC I/II SSM SLEEP PSM SOUND PICTURE Q.VIEW PR OK VOL VOL PR TV/AV MUTE TURBO EYE/ 14. LIST displays the programme table. 15. I/II selects the language during dual language broadcast (option). selects the sound output.
- 7 - 1. MAIN POWER 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. 3. MENU selects a menu. 4. OK accepts your selection or displays the current mode. F / G (V olume Up/Down) adjusts the volume.
- 8 - Fig. 2-1 Fig. 2-2 CPT board Remove Screws STEREO PCB Main PCB A/V PCB VCD PCB POWER PCB DISASSEMBL Y INSTRUCTIONS Important note This set is disconnected from the power supply through the converter transformer. An isolating transformer is necessary for service operations on the primary side of the converter transformer.
- 9 - ¡ Safety Precautions 1. It is safe to adjust after using insulating transformer between the power supply line and chassis input to prevent the risk of electric shock and protect the instrument. 2. Never disconnect leads while the TV receiver is on.
- 10 - ¡ Deflection Data Adjustment (Line SVC-2) NOTE : How to enter into the Line Service Mode with a remocon. 1.Power off. 2.Press the Red button. 3.Press the Green button. 4.Press the Yellow button. 5.Press the Cyan button. 6.Press the OK button. 7.
- 11 - (Table 3) ¡ SVC Data & PSM,SSM Data. Table 1. ABL Data (LINE SVC-3) Table 2. SOUND PRE-SCALER (LINE SVC-4) Table 3. PSM Data Menu DVCO IBRM WDRM BCLTH BCLTM BCLGA SVGA SVDEL SVD1 LDLY HBST.
¡ OPTION Adjustment (LINE-SERVICE OPTION) Table 4. OPTION Function - 12 - OPTION GAME TEXT TOP ACMS CH+AU EYE TURBO SCART A2 ST I II SV MONO VOL H-PH DGS TILT 200PRO AV2 HOTEL KEY SYS M-VOL OSD T-LAN 1 GAME TEXT TOP China,Australia EYE Turbo Search SCART STEREO I/II MONO Middle East Africa,India VOL.
- 13 - MEMO.
112 913 150 153 510 170 530 520 550 P801 501 560 570 310 600 700 121 120 300 320 330 400 943 540 EXPLODED VIEW - 14 -.
- 15 - EXPLODED VIEW P AR TS LIST Replace only with part number specified. 112 2426GE259AJ 2426GF239AR CPT SET 120 6400VA0027A 6400VA0027A SPEAKER,GENERAL H165/051800A 8 OHM 10/1 121 3110V00073A 3110V.
- 16 - REPLA CEMENT P AR TS LIST LOCA. NO P ART NO DESCRIPTION D412 D601 D602 D802 D803 D804 D857 D859 D861 D863 D864 D865 D901 D902 D903 D904 D905 D906 D907 D908 D909 D910 D951 D952 D953 D954 D955 D9.
- 17 - LOCA. NO P ART NO DESCRIPTION ZD901 Q02 Q03 Q04 Q05 Q121 Q122 Q123 Q124 Q125 Q126 Q201 Q221 Q301 Q303 Q402 Q405 Q401 Q601 Q853 Q854 Q857 Q901 Q910 Q951 Q952 Q953 Q954 Q955 Q956 Q957 Q958 QN01 Q.
- 18 - LOCA. NO P ART NO DESCRIPTION C109 C1 10 C1 12 C1 13 C1 15 C121 C122 C123 C124 C125 C126 C127 C128 C129 C130 C131 C132 C134 C135 C136 C137 C138 C139 C140 C141 C147 C148 C149 C181 C182 C183 C184.
- 19 - LOCA. NO P ART NO DESCRIPTION C855 C856 C857 C858 C859 C860 C861 C862 C863 C864 C866 C867 C870 C871 C872 C873 C901 C902 C903 C904 C905 C906 C907 C908 C909 C910 C91 1 C912 C913 C951 C952 C953 C9.
- 20 - LOCA. NO P ART NO DESCRIPTION CP1 10 CP1 1 1 CP1 12 CP12 CP121 CP123 CP125 CP128 CP130 CP131 CP139 CP14 CP140 CP142 CP143 CP145 CP146 CP148 CP151 CP16 CP17 CP18 CP19 CP20 CP22 CP29 CP31 CP32 CP.
LP04 LP05 LP102 LP104 LP105 LP106 LP107 L V01 L V02 L V03 L V05 T401 T402 Ò(25Ó) T802 T1401 P03B P101 P401 P603B P604B P605B P901 P902 P905 P906 P1 1 1 1 P1 1 1 1 P1401 PP802 PV01 PV02 PV502B PV503B.
- 22 - LOCA. NO P ART NO DESCRIPTION R66 R67 R69 R70 R71 R101 R102 R103 R104 R105 R106 R108 R121 R122 R123 R124 R125 R126 R127 R128 R129 R130 R131 R132 R133 R135 R136 R137 R138 R139 R140 R141 R142 R14.
- 23 - LOCA. NO P ART NO DESCRIPTION R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R61 1 R612 R801 R802 R803 R804 R805 R806 R807 R808 R809 R821 R822 R852 R858 R860 R862 R863 R869 R870 R901 R902 R9.
- 24 - LOCA. NO P ART NO DESCRIPTION R1204 R1205 R1401 R1402 RN01 RN02 RN03 RN1 1 RN14 RN17 RN18 RN19 RN20 RN21 RN22 RN23 RP101 RP102 RP103 RP104 RP108 RP129 RP151 RV02 RV03 RV06 RV07 RV15 RV16 RV34 V.
Video Audio C P/No : 3854VA0071A-S1 2000.06.15.
.
JW1A MAIN PWB ASSY P602 P601 P181 PV01 P05A P01 P03B P05B P402A PP802 P401 P03A P802 P801 CPT PWB PP803 PP801 SPEAKER CONNECTOR D-COIL CABINET WIRING DIAGRAM VCD PROCESSOR VDP3120 AUDIO AMP LA4282 IC601 H/P ICN02 TDA2822M S-Video IN Y/V3 C A V3-IN A3 V3 (R,L) R L HP Amp.
SV C. SHEET :3854V A0071A-S1 SV C. SHEET : 3854V A0071A-S2.
Apr.,2002 Printed in Korea P/NO : 3828VD0077Z.
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If you already are a holder of LG Electronics CT-25, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime LG Electronics CT-25.
However, one of the most important roles played by the user manual is to help in solving problems with LG Electronics CT-25. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device LG Electronics CT-25 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
