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S P E C I F I C A T I O N S

 

Note: Specifications and others are subject to change without notice for improvement. 

1. Power requirement: 

AC 110-240V, 50/60Hz (Cold SMPS)   
/ DC 24V ADAPTOR 

2. Tuning system: 

FVS, 100 program memory 

3. Sound output: 

105W+10W 

4. Intermediate Frequency (IF): 

Vision IF ; 38.9MHz 

Color IF ; 34.47MHz(PAL) / 35.32MHz(NTSC) 

Sound IF ; 33.4MHz (B/G) / 32.9MHz(I,I/I) / 

    32.4MHz(D/K, K1) / 34.4MHz(M) 

5. Power consumption: 

130W(3W-ST-BY) 

6. Antenna input impedance: 

VHF/UHF 75ohm , TIF 

7. Voice coil impedance: 

4ohm option 

8. OSD (On Screen Display): 

Window Type 

9. External in/output: Headphone, SCART or 

    Phone Jack: Option 

Audio-In ; 0.4Vrms, over 10Kohm 

Video-In/Out ; 1Vp-p,over 75ohm 

R.G.B In ; 0.7Vp-p 

10. Function: 

CATV/Hyper band 

Auto Program 

Manual Program 

Auto Sleep 

Recall 

Quick view 

ACMS(Auto channel Memory System) 

PSM(Picture Status memory) 

SSM(Sound Status memory) 

PIP(PICTURE I RICTURE) 

ARC(ASPECT RATIO CONTROL) 

Receiving system 

No. 

Model No. 

System 

LT-30FEP LT-30FLP LT-30FTP 

PAL-B 

O O O 

PAL-G 

O O O 

PAL-I, 

I/I 

O O O 

PAL-D 

O O O 

PAL-K 

O O O 

SECAM-B 

O O O 

SECAM-G 

O O O 

SECAM-D 

O O O 

SECAM- 

O O O 

10 

SECAM-K1 

O O O 

11 

SECAM-I 

(6.0) 

O O O 

12 NTSC-3.58/4.5 

13 NTSC-3.58/5.5 

14 NTSC-3.58/6.0 

15 NTSC-3.58/6.5 

16 NTSC-3.58/4.5(5.0) 

17 NTSC-4.43/5.5 

18 NTSC-4.43/6.0 

19 NTSC-4.43/6.5 

20 

PAL 

5.5/60HZ 

O O O 

21 

PAL 

6.0/60HZ 

O O O 

22 

PAL 

6.5/60HZ 

O O O 

23 

SECAM 

5.5/60HZ 

O O O 

24 

SECAM 

6.0/60HZ 

O O O 

25 

SECAM 

6.5/60HZ 

O O O 

26 SECAM 

L/L’ 

TOTAL SYSTEM 

17 

18 

25 

Summary of Contents for LT-30FEP

Page 1: ...30 WIDE TFT LCD TV SERVICE MANUAL CHASSIS MODEL LT 30FEP LT 30FLP LT 30FTP...

Page 2: ...ONTENTS Contents 2 Safety Precautions 3 Specifications 4 Control Descriptions 6 Adjustment 9 Troubleshooting 11 Disassembly Instructions 13 Replacement Parts List 19 Schematic Diagram 26 PCB Printings...

Page 3: ...the AC outlet Do not use a line Isolation Transformer during this check Connect 1 5K 10watt resistor in parallel with a 0 15uF capacitor between a known good earth ground Water Pipe Conduit etc and t...

Page 4: ...R G B In 0 7Vp p 10 Function CATV Hyper band Auto Program Manual Program Auto Sleep Recall Quick view ACMS Auto channel Memory System PSM Picture Status memory SSM Sound Status memory PIP PICTURE I RI...

Page 5: ...Band PAL SECAM G 21 69 PAL I 21 69 SECAM K 21 69 PAL K 13 56 NTSC M US 14 78 NTSC M JAPAN 13 62 12 SECAM L L 13 NTSC 4 43 5 5 14 NTSC 4 43 6 0 15 NTSC 4 43 6 5 16 SECAM I 6 0MHZ 17 SECAM L VIDEO IN P...

Page 6: ...ast Selects the sound output 9 SLEEP Sets the sleep timer 10 TV PC Selects TV or PC mode directly 11 PR Programme Up Down Selects next programme or a menu item 12 VOL Volume Up Down Adjusts the sound...

Page 7: ...es with new batteries Remove batteries when you won t use the remote controller for long time Liquid leakage from old batteries may cause operation failure Notes for using remote controller Make sure...

Page 8: ...s the volume level Adjusts menu settings 7 TV AV Selects TV SCART VIDEO S VIDEO PC Analog or PC Digital mode Clears the menu from the screen 1 DC 24V adaptor input 2 PC DTV INPUT 3 DVI 4 PC Audio IN C...

Page 9: ...s unusual local conditions exist such as 1 Channel interference in a CATV system 2 Picture bending and or color beats which are unusually due to excessive RF signal input when the receiver is too clos...

Page 10: ...o get into SVC mode 2 Press the Yellow button several times to find OPTION 1 or OPTION 2 3 Input the corresponding OPTION data referring to Table below with the numeric buttons 0 9 Option Table LT 30F...

Page 11: ...Picture Sound OK Is OSD O K Check IC201 Pin 32 39 O K No Check IC201 Video Inputs Pin78 80 82 96 97 98 100 102 Check IC01 L102 DCLK R104 LHSYNC R103 LVSYNL O K Check signals from IC01 IC402 Check Vcc...

Page 12: ...al inputs from IC601 to signal source Check IC601 Outputs Pin27 28 Check IC601 Vcc X tal IIC Check IC651 IC652 Outputs Pin7 11 Check IC651 IC652 Vcc Check Headphone jack of J402 No Text Check IC101 Pi...

Page 13: ...13 EXPLODED VIEW...

Page 14: ...14 EXPLODED VIEW PARTS LIST NO PART NO DESCRIPTIONS...

Page 15: ...M2678S 12 D904 0DHKEKDS226S CHIP DIODE KDS226 IC805 0ICVI4925DTS IC SI7925 DY TP D905 0DHKEKDS226S CHIP DIODE KDS226 IC821 1ICIR33Y00TS IC 3 3V 1A D906 0DHKEKDS226S CHIP DIODE KDS226 IC831 0ICKE78R08I...

Page 16: ...1UF L804 0LBSS601FJTS CHIP BEAD 600 OHM C24 0CASH101AMTS CAN CAP 100UF 10V L815 0LBSS3580RTR BEAD CORE 1UH DUAL C25 0CHSS104DZTS CHIP CAP 0 1UF L821 0LBSS601FJTS CHIP BEAD 600 OHM C26 0CASH100CMTS CAN...

Page 17: ...P 10UF 50V C176 0CHSS104DZTS CHIP CAP 0 1UF C253 0CASH100HMTS CAN CAP 10UF 50V C177 0CHSS104DZTS CHIP CAP 0 1UF C254 0CASH100HMTS CAN CAP 10UF 50V C178 0CHSS104DZTS CHIP CAP 0 1UF C255 0CASS470CKTS CA...

Page 18: ...C668 0CASH101EMTS CAN CAP 100UF 25V C609 0CHSS102DKTS CHIP CAP 1000PF C669 0CHSS332DKTS CHIP CAP 3300PF C610 0CASH1R0HMTS CAN CAP 1UF 50V C670 0CASH2R2HMTS CAN CAP 2 2UF 50V C611 0CHSS102DKTS CHIP CA...

Page 19: ...1 0CHSS471DJTS CHIP CAP 470PF C846 0CASH101AMTS CAN CAP 100UF 10V C2002 0CASH221AMTS CAN CAP 220UF 10V C847 0CASH101AMTS CAN CAP 100UF 10V L1004 0CHSS101DJTS CHIP CAP 100PF C848 0CASH221AMTS CAN CAP 2...

Page 20: ...S101DJTS CHIP RES 100 OHM C908 0RHSS331EJTS CHIP RES 330 OHM R43 0RHSS101DJTS CHIP RES 100 OHM C909 0RHSS331EJTS CHIP RES 330 OHM R44 0RHSS101DJTS CHIP RES 100 OHM C1006 0RHSS000DJTS CHIP RES 0 OHM R4...

Page 21: ...M R667 0RHSS472DJTS CHIP RES 4 7K OHM R309 0RHSS472DJTS CHIP RES 4 7K OHM R668 0RHSS472DJTS CHIP RES 4 7K OHM R310 0RHSS472DJTS CHIP RES 4 7K OHM R669 0RHSS561DJTS CHIP RES 560 OHM R312 0RHSS000DJTS C...

Page 22: ...D PIN WAFER 10 PIN R1004 0RHSS221DJTS CHIP RES 220 OHM P441 WAFYH20125AS PIN WAFER 20 PIN R1005 0RHSS103DJTS CHIP RES 10K OHM P601 WAFYH02200SD PIN WAFER 2 PIN R1006 0RHSS103DJTS CHIP RES 10K OHM P602...

Page 23: ...ITCH YTP 1141A SW3003 600 002A SWITCH YTP 1141A SW3004 600 002A SWITCH YTP 1141A SW3005 600 002A SWITCH YTP 1141A SW3006 600 002A SWITCH YTP 1141A SW3007 600 002A SWITCH YTP 1141A The components ident...

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