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Table of Contents
Related Manuals for Rolsen LT-30FEP
Summary of Contents for Rolsen LT-30FEP
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Page 1: Service Manual
30” WIDE TFT-LCD TV SERVICE MANUAL CHASSIS: MODEL: LT-30FEP / LT-30FLP / LT-30FTP... -
Page 2: Table Of Contents
C O N T E N T S Contents ........................ 2 Safety Precautions ....................3 Specifications ..................... 4 Control Descriptions ..................6 Adjustment......................9 Troubleshooting....................11 Disassembly Instructions ................13 Replacement Parts List ................19 Schematic Diagram ........………………………......26 P C B P r i n t i n g s ................… … … … … 2 7... -
Page 3: Safety Precautions
S A F E T Y P R E C A U T I O N S 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 Shock, Fire, or other Hazards. -
Page 4: Specifications
‥SSM(Sound Status memory) ‥VHF/UHF 75ohm , TIF ‥PIP(PICTURE I RICTURE) 7. Voice coil impedance: ‥ARC(ASPECT RATIO CONTROL) ‥4ohm option 8. OSD (On Screen Display): ‥Window Type Receiving system Model No. LT-30FEP LT-30FLP LT-30FTP System PAL-B PAL-G PAL-I, I/I PAL-D PAL-K SECAM-B... - Page 5 TABLE1. RECEIVING SYSTEM (26 SYSTEM) Receiving System Function Receiving Channel PAL-B VHF Band PAL/SECAM-B: 2-12 PAL-G PAL/SECAM-D: 1-12 PAL-I, I/I SECAM-K1: 2-9 PAL-D NTSC-M (US): 2-13 NTSC-M (JAPAN): 1-12 PAL-K Reception of broadcast SECAM-B and play-back for Video UHF Band Tape Recorder SECAM-G PAL/SECAM-G: 21-69...
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Page 6: Control Descriptions
C O N T R O L D E S C R I P T I O N S 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 controller Before you use the remote controller, please install the batteries. -
Page 7: Battery Installation
C O N T R O L D E S C R I P T I O N S Battery installation ▶Inserting batteries 1. Remove the battery cover by pulling it upward in the direction shown by the arrow. 2. Insert the batteries with correct polarity (“+" to "+", and "-" to "-”). 3. - Page 8 D E S C R I P T I O N O F C O N T R O L S <<CONTROLLER OF PANEL>> 1. MENU Displays a menu. 2. + PR - (Programme Up/Down) Selects a programme or a menu item. 3.
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Page 9: Adjustment
A D J U S T M E N T Safety Precautions 1. Never disconnect leads while the TV receiver is on. 2. Don't short any portion of circuits while power is on. 3. The adjustment must be done by the correct appliances. But this is changeable in view of productivity. - Page 10 1) Press the MENU buttons on both TV set and Remote Controller at the same time to 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-30FEP LT-30FLP LT-30FTP REMARK...
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Page 11: Troubleshooting
T R O U B L E S H O O T I N G Is OSD O.K? Check IC01 No Picture & L102(DCLK) Sound OK R104(LHSYNC) Check Vcc, X-tal & Check IC201 R103(LVSYNL) IIC of IC201 Pin 32/39 O.K? O.K ? Check IC201 Check signals from... - Page 12 T R O U B L E S H O O T I N G Check IC601 Check appropriate No Sound & Inputs ( Pin signal inputs from Picture OK 47/48/50/51/53/5 IC601 to signal 4/56/57) source. Check IC601 Check IC601 Vcc / X-tal / IIC Outputs Pin27/28 Check IC651,...
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Page 13: Disassembly Instructions
E X P L O D E D V I E W... - Page 14 E X P L O D E D V I E W P A R T S L I S T PART NO. DESCRIPTIONS...
- Page 15 REPLACEMENT PARTS LIST For Capacitor & Resistors, DH:Chip Diode LB: Bead Core The components identified by mark is critical for the charactors at 2nd 3rd DZ:Zener Diode LY:Array Bead safety. digit in the P/No. means as DD:Rectifier Diode LA:Inductor Replace only with part number specified. follows DS:Schottky Diode LR:Choke Coil...
- Page 16 The components identified by mark is critical for For Capacitor & Resistors, CH:Chip Capacitor safety. the charactors at 2nd 3rd CE:Electrolytic Capacitor digit in the P/No. means as CB:Bipolar Capacitor Replace only with part number specified. CQ: Poly Capacitor follows CT:Tantal Capacitor LOCA.
- Page 17 The components identified by mark is critical for For Capacitor & Resistors, CH:Chip Capacitor safety. the charactors at 2nd 3rd CE:Electrolytic Capacitor digit in the P/No. means as CB:Bipolar Capacitor Replace only with part number specified. CQ: Poly Capacitor follows CT:Tantal Capacitor LOCA.
- Page 18 The components identified by mark is critical for For Capacitor & Resistors, RH:Chip Resistor safety. the charactors at 2nd 3rd RD: Carbon Resistor Replace only with part number specified. digit in the P/No. means as follows LOCA. NO PART NO DESCRIPTION LOCA.
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Page 19: Replacement Parts List
The components identified by mark is critical for For Capacitor & Resistors, RH:Chip Resister safety. the charactors at 1st,2nd RD:Carbon Resister Replace only with part number specified. and 3rd digit in the P/No. JA: Jack means as follows. WAF: Pin Wafer LOCA. - Page 20 The components identified by mark is critical for For Capacitor & Resistors, RH:Chip Resister safety. the charactors at 1st,2nd RD:Carbon Resister Replace only with part number specified. and 3rd digit in the P/No. JA: Jack means as follows. WAF: Pin Wafer LOCA.
- Page 21 The components identified by mark is critical for For Capacitor & Resistors, RH:Chip Resister safety. the charactors at 1st,2nd RD:Carbon Resister Replace only with part number specified. and 3rd digit in the P/No. JA: Jack means as follows. WAF: Pin Wafer LOCA.
- Page 22 The components identified by mark is critical for For Capacitor & Resistors, RH:Chip Resister safety. the charactors at 1st,2nd RD:Carbon Resister Replace only with part number specified. and 3rd digit in the P/No. JA: Jack means as follows. WAF: Pin Wafer LOCA.
- Page 23 The components identified by mark is critical for For Capacitor & Resistors, RH:Chip Resister safety. the charactors at 1st,2nd RD:Carbon Resister and 3rd digit in the P/No. JA: Jack Replace only with part number specified. WAF: Pin Wafer means as follows. LOCA.