Sylvania 6620LCT A Service Manual Download | Manualshive

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Inverter CBA Top View

Inverter CBA Bottom View

BL2500F01021

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Summary of Contents for 6620LCT A

Page 1: ...6 and the original model 6620LCT All other information is described in the service manual of the model 6620LCT 20 COLOR LCD TELEVISION SSL2006 TABLE OF CONTENTS Block Diagrams 1 1 Schematic Diagrams CBA s and Test Points 2 1 Different parts from the original model 6620LCT 3 1 SUPPLEMENT ...

Page 2: ... SCL INPUT 0 INPUT 1 S SW SCL SDA 32 11 13 35 12 14 36 TO POWER SUPPLY BLOCK DIAGRAM TO IF VIDEO BLOCK DIAGRAM TO AUDIO BLOCK DIAGRAM BACKLIGHT ADJ P ON H VOLUME AUDIO MUTE INPUT 0 INPUT 1 S SW SCL SDA SDA 2 SCL 1 CN1209 NO CONNECTION IC1205 MEMORY SCL 6 SDA 5 7 WP Q1204 3 3V 5V CONVERTER BUS OPEN 4 NO PART MOUNTED FOR CN1209 33 BUS OPEN 27 P 25V ON IR SENSOR CBA CLN145 REMOTE SENSOR RCV142 CN1202...

Page 3: ...ings for ordering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All resistance values are indicated in ohms K 103 M 106 3 Resistor wattages are 1 4W or 1 6W unless otherwise specified 4 All capacitance values are indicated in µF P 10 6 µF 5 All voltages are DC voltages unless otherwise specified Note of Capacitors M...

Page 4: ...mended since the drawings were prepared 2 To maintain original function and reliability of repaired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Voltage indications on the schematics are as shown below Plug the TV power cord into a standard AC outlet 5 How to read converged lines 6 Test Point Information 2 3 1 ...

Page 5: ...2 3 L2605SCIR IR Sensor Schematic Diagram ...

Page 6: ...2 4 IR Sensor CBA Top View IR Sensor CBA Bottom View BL2500F01012 4 ...

Page 7: ...OTTOM L2605UF 1EM121659 X2 OWNERS MANUAL L2605UF 1EMN21887 X3 REMOTE CONTROL 170 ECNLC301 NE900UD NE900UD ELECTRICAL PARTS MMA CBA 1ESA13398 IR SENSOR CBA C102 Not Used C104 Not Used C142 CHIP CERAMIC CAP B K 1µF 6 3V CHD0KK30B105 C144 CHIP CERAMIC CAP B K 1µF 6 3V CHD0KK30B105 R123 Not Used R124 Not Used R143 CHIP RES 1 10W J 68 Ω RRXAJR5Z0680 R144 CHIP RES 1 10W J 68 Ω RRXAJR5Z0680 CLN105 Not Us...

Page 8: ...SSL2006 L2605UF 2006 06 14 ...

Page 9: ...6620LG non A verion models For the A version models suffix A is added to the model number as 6620LCT A and 6620LG A on the rating label and for the non A version models suffix A is not added to the model number Refer to the rating label on the back of the unit to make sure model types 20 COLOR LCD TELEVISION 6620LCT 6620LG ...

Page 10: ... service might be done or of the possible hazardous consequences of each way Consequently Funai has not undertaken any such broad evaluation Accordingly a servicer who uses a service procedure or tool which is not recommended by Funai must first use all precautions thoroughly so that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected TABLE...

Page 11: ...t Nominal Limit 1 Intermediate Freq Picture Sound MHz MHz 45 75 41 25 2 Color Killer Sens CH 2 CH 10 CH 55 dBµV dBµV dBµV 15 15 15 20 20 20 3 AFT Pull In Range 10 mV input MHz 2 1 0 7 Description Condition Unit Nominal Limit 1 Number of Pixels Horizontal Vertical pixels pixels 640 3 480 2 Brightness cd m2 500 3 Response Time msec 16 4 Support Color 26 mil 6 bit 5 Viewing Angle Horizontal Vertical ...

Page 12: ...om any AC source connect an electrical jumper across the two AC plug prongs Place the instrument AC switch in the on position Connect one lead of an ohmmeter to the AC plug prongs tied together and touch the other ohmmeter lead in turn to each tuner antenna input exposed terminal screw and if applicable to the coaxial connector If the measured resistance is less than 1 0 megohm or greater than 5 2...

Page 13: ... is not isolated from the AC power line The two ground systems are electrically separated by insulation material that must not be defeated or altered 5 Observe original lead dress Take extra care to assure correct lead dress in the following areas a near sharp edges b near thermally hot parts be sure that leads and components do not touch thermally hot parts c the AC supply d high voltage and e an...

Page 14: ...ts H When a power cord has been replaced check that 5 6 kg of force in any direction will not loosen it I Also check areas surrounding repaired locations J Use care that foreign objects screws solder droplets etc do not remain inside the set K Crimp type wire connector The power transformer uses crimp type connectors which connect the power cord and the primary side of the transformer When replaci...

Page 15: ...exposed accessible parts RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below Measuring Method Power ON Insert load Z between B earth ground power cord plug prongs and exposed accessible parts Use an AC voltmeter to measure across both terminals of load Z See Fig 2 and followin...

Page 16: ...the Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC with tweezers while applying the hot air 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using tweezers Fig S 1 6 CAUTION 1 The Fl...

Page 17: ...y one using a sharp pin or wire to which solder will not adhere iron wire When heating the pins use a fine tip soldering iron or a hot air desoldering machine Fig S 1 4 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC ...

Page 18: ...s Fig S 1 6 Note When using a soldering iron care must be taken to ensure that the flat pack IC is not being held by glue When the flat pack IC is removed from the CBA handle it gently because it may be damaged if force is applied 2 Installation 1 Using desoldering braid remove the solder from the foil of each pin of the flat pack IC on the CBA so you can install a replacement flat pack IC more ea...

Page 19: ...d to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1 MΩ on the workbench or other surface where the semi conductors are to be placed Because the static electricity charge on clothing will not escape through the body grounding band be careful to avoid contacting semi conductors with your...

Page 20: ...g or Desolder e g 2 S 2 two Screws S 2 2 L 2 two Locking Tabs L 2 5 Refer to the following Reference Notes in the Table Step Loc No Part Removal Fig No Remove Unhook Unlock Release Unplug Unclamp Desolder Note 1 Rear Cabinet D1 10 S 1 S 2 2 Tilt Stand Assembly D1 4 S 3 3 Jack Holder D2 3 S 4 S 5 4 Inverter CBA D2 D4 4 S 6 CN301 CN302 CN303 CN304 CN310 5 Main CBA D2 D4 6 S 7 CN801 CN1201 CN1202 CN1...

Page 21: ...bly S 1 S 1 S 1 S 1 S 1 S 2 S 3 S 1 S 4 S 7 S 7 S 7 S 8 S 8 S 8 6 LCD Module S 9 Fig D2 S 11 Speaker Holders S 10 S 6 S 5 9 IR Sensor CBA 3 Jack Holder 7 Function CBA 8 Speaker 10 Front Cabinet Speaker Holders S 6 4 Inverter CBA 5 Main CBA 8 Speaker S 10 ...

Page 22: ...4 3 L2600DC Fig D3 S 12 S 12 S 13 11 Stand Cover 12 Arm Holder 13 Sheet L 14 Arm Assembly 13 Sheet R ...

Page 23: ...Cable Wiring Diagram Fig D4 IR Sensor CBA To LCD Module CN310 To Speaker Function CBA CLN104 CN801 To Speaker CN1202 CLN105 CN1207 CN1206 CN1205 To LCD Module Main CBA CN404 CN304 Inverter CBA CN301 CN302 CN303 CN1201 ...

Page 24: ...ontrol unit Part No N0105UD or N0127UD Remove 3 Screws from the back lid Fig 1 1 2 Added J1 Jumper Wire to the remote control CBA Fig 1 2 How to set up the service mode Service mode 1 Use the service remote control unit 2 Turn the power on Use main power on the TV unit 3 Press SLEEP button on the service remote control unit Version of micro computer will be displayed on the LCD or display Ex 0008G...

Page 25: ...come the following 4 Press CH o p buttons on the remote control unit so that flash stops D2 BRT MENU 5 133 D2 CNT 140 D2 CLR R 74 D2 CLR B 74 D2 TNT 128 D2 SHR 112 D3 BRT MENU 6 126 D3 CNT 138 D3 CLR R 64 D3 CLR B 64 D3 TNT 128 D3 SHR 112 DR C D1 VOL p 4 177 C DR C D2 157 DB C D1 VOL p 6 175 C DB C D2 152 Item Button on the service remote control Data Value VCOM 110 VCOM 110 FLASH Go and Off ...

Page 26: ...r the Service mode Press VOL p button on the remote control unit and select C D 1 mode VIDEO2 Enter the Service mode Press VOL p button on the remote control unit and select C D 2 mode 5 RF VIDEO1 When x value and y value are not within specification adjust DB C D1 or DR C D1 Refer to 1 Initial Setting Note DB C D1 or DR C D1 must be adjusted within 0 01 VIDEO2 When x value and y value are not wit...

Page 27: ...ain power on the TV unit 2 To enter the service mode press SLEEP button on the service remote control unit To cancel the service mode press POWER button on the remote control 3 To initialize the LCD television press DISPLAY button on the remote control unit 4 Confirm FF indication on the upper right of the screen ...

Page 28: ... SCL INPUT 0 INPUT 1 S SW SCL SDA 32 11 13 35 12 14 36 TO POWER SUPPLY BLOCK DIAGRAM TO IF VIDEO BLOCK DIAGRAM TO AUDIO BLOCK DIAGRAM BACKLIGHT ADJ P ON H VOLUME AUDIO MUTE INPUT 0 INPUT 1 S SW SCL SDA SDA 2 SCL 1 CN1209 NO CONNECTION IC1205 MEMORY SCL 6 SDA 5 7 WP Q1204 3 3V 5V CONVERTER BUS OPEN 4 NO PART MOUNTED FOR CN1209 33 BUS OPEN 27 P 25V ON IR SENSOR CBA CLN105 REMOTE SENSOR RCV102 CN1202...

Page 29: ...O Pr Cr IN JK703 VIDEO1 IN JK701 S VIDEO IN SDA TO SYSTEM CONTROL BLOCK DIAGRAM SCL S SW C Y 3 IC781 INPUT SELECT 5 4 13 12 14 1 2 15 SW CONTROL 10 9 11 INPUT 0 INPUT 1 TO SYSTEM CONTROL BLOCK DIAGRAM Q707 Q708 TUNER UNIT CF31 IC31 IF SIGNAL PROCESS VIF AMP VIDEO DET VCO 4 5MHz FILTER RF AGC AMP SIF AMP 16 13 18 17 4 7 8 1 XTAL IN 14 TO SYSTEM CONTROL BLOCK DIAGRAM AFT IN 5 SIF TRAP 11 FSC IF AGC ...

Page 30: ...R FILTER L R SAP SW SAP FILTER I2C DECORDER SAP DEMOD SAP OUT FILTER 29 30 TO IF VIDEO BLOCK DIAGRAM TUNER TUNER L CH R CH 21 27 24 IC851 MTS SAP AUDIO SIGNAL PROCESS AUDIO1 L IN JK704 SIF JK705 AUDIO1 R IN JK709 AUDIO2 L IN JK710 AUDIO2 R IN OFFSET CANCEL 14 IC801 AUDIO AMP 7 VOLUME 11 AMP AMP MUTE STANDBY CONTROL 6 1 R CH L CH 2 Q802 JK801 HEADPHONE JACK SP801 SPEAKER R CH CN801 SP R 1 GND 2 SP8...

Page 31: ...G 4 17 EG 5 16 EB 0 14 EB 1 13 EB 2 12 EB 3 11 EB 4 10 EB 5 9 OFFEV 5 STV1 6 CLKV 7 ODDINV 3 VCOM 18 VCOM 19 EVENINV 1 STH1 26 POL 27 LP 28 CN1206 CN1207 151 62 57 77 150 146 145 144 143 142 141 140 136 135 134 133 132 131 130 129 128 118 117 116 115 114 113 112 111 110 109 108 105 104 103 95 94 93 92 86 90 91 127 124 153 154 155 A D VIDEO SIGNAL PROCESS LCD RGB SIGNAL PROCESS R B G Y Pb Cb Pr Cr ...

Page 32: ...GRAM TO LCD BACKLIGHT BLOCK DIAGRAM D647 SHUNT REG IC605 5V REG IC606 5V REG Q402 Q401 Q403 IC603 1 5V REG IC602 3 3V REG VT 33V D505 SHUNT REG TO LCD MODULE CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F601 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC powe...

Page 33: ...NV 22V 9 7 3 5 2 6 1 4 10 8 TO POWER SUPPLY BLOCK DIAGRAM MAIN CBA AL 21V 7 7 CN404 CN304 AL 21V 6 6 AL 21V 5 5 AL 21V 4 4 AL 21V 8 8 AL 21V 9 9 CURRENT CONTROL SWITCH Q341 Q344 T302 OVER VOLTAGE PROTECTOR Q342 343 9 7 3 5 2 6 1 4 10 8 CURRENT CONTROL SWITCH Q361 Q364 T303 OVER VOLTAGE PROTECTOR Q362 363 9 7 3 5 2 6 1 4 10 8 OVER VOLTAGE PROTECTOR Q304 Q306 10V REG OVER CURERENT PROTECTOR Q325 Q30...

Page 34: ...ings for ordering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All resistance values are indicated in ohms K 103 M 106 3 Resistor wattages are 1 4W or 1 6W unless otherwise specified 4 All capacitance values are indicated in µF P 10 6 µF 5 All voltages are DC voltages unless otherwise specified Note of Capacitors M...

Page 35: ...mended since the drawings were prepared 2 To maintain original function and reliability of repaired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Voltage indications on the schematics are as shown below Plug the TV power cord into a standard AC outlet 5 How to read converged lines 6 Test Point Information 2 3 1 ...

Page 36: ...8 3 Main 1 5 Schematic Diagram L2600SCM1 ...

Page 37: ...8 4 L2600SCM2 Main 2 5 Schematic Diagram ...

Page 38: ...8 5 Main 3 5 Schematic Diagram L2600SCM3 ...

Page 39: ...8 6 L2600SCM4 Main 4 5 Schematic Diagram ...

Page 40: ...circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal For continued protection against risk of fire replace only with same type 4 A 125V fuse CAUTION ATTENTION Utiliser un fusible de rechange de même type de 4A...

Page 41: ...8 8 L2600SCF Function Schematic Diagram ...

Page 42: ...8 9 L2600SCIR IR Sensor Schematic Diagram ...

Page 43: ...8 10 L2600SCI Inverter Schematic Diagram ...

Page 44: ...er supply Otherwise it may cause some components in the power supply circuit to fail For continued protection against risk of fire replace only with same type 4 A 125V fuse CAUTION ATTENTION Utiliser un fusible de rechange de même type de 4A 125V 4A 125V NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal Because a hot chassis ground is present in the power sup...

Page 45: ... used in this unit If Main Fuse F601 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal Because a hot chassis ground is present in the power supp...

Page 46: ...8 13 Function CBA Top View Function CBA Bottom View BL2500F01012 2 IR Sensor CBA Top View IR Sensor CBA Bottom View BL2500F01012 3 ...

Page 47: ...8 14 Inverter CBA Top View Inverter CBA Bottom View BL2500F01021 ...

Page 48: ...ram 1DIV 1 0V 20ns Pin 7 of CN1205 WF2 Pin 27 of CN1206 WF3 1DIV 200mV 20 s Pin 70 of IC1202 WF7 1DIV 200mV 20 s Pin 75 of IC1202 WF8 1DIV 100mV 400 s Pin 14 of IC801 WF6 1DIV 1 0V 10 s Pin 28 of CN1206 WF4 1DIV 200mV 20 s Pin 52 of IC1202 WF9 1DIV 200mV 20 s Pin 77 of IC1202 WF10 1DIV 200mV 20 s Pin 57 of IC1202 WF11 1DIV 200mV 20 s Pin 62 of IC1202 WF12 CLKH CLKV POL LP STH1 AUDIO CVBS S VIDEO Y...

Page 49: ...D PANEL 25V NU GND CN1205 1 3 2 5 4 7 6 8 9 10 13 12 11 14 15 17 16 19 18 21 20 22 23 24 27 26 25 28 EB 3 EB 4 EB 5 GND CLKV STV1 OFFEV GND GND GND GND EB 2 EB 1 EB 0 GND EG 5 EG 4 EG 3 EG 2 EG 1 EG 0 GND ER 5 ER 4 ER 3 ER 2 ER 1 ER 0 CN404 CN304 1 3 2 5 4 7 6 8 9 10 13 12 11 14 GND GND 22V 22V 22V 22V 22V 22V PROTECT 1 SP L SP GND GND GND GND GND CN1206 1 3 2 5 4 7 6 8 9 10 13 12 11 14 15 17 16 1...

Page 50: ...B18 B18 B18 B18 B18 L25 L22 L22 B4 L9 L14 L14 L14 L14 L16 L16 L14 L14 L9 L9 L9 L9 L9 A4 B5 B5 B3 B34 B21 B21 B21 B21 L14 A10 S5 B46 L23 L27 L9 L22 L4 B14 L4 L1 A7 A3 L4 B5 B5 B14 B14 B5 B5 LCD1 CLN801 SP801 CLN802 SP802 See Electrical Parts List for parts with this mark Main CBA AC601 Inverter CBA Function CBA IR Sensor CBA B22 B54 B54 ...

Page 51: ...11 2 L2600PEX Packing S1 FRONT S2 S5 S4 Tape Packing Tape Packing Tape Packing Tape Packing Tape S3 X1 X5 X3 Some Ref Numbers are not in sequence X2 ...

Page 52: ...423052 B18 CLOTH 10X190XT0 3 L0200UA 1EM420019 B21 CLOTH 10X180XT0 5 L0336JG 0EM408827 B34 CLOTH 10X150XT1 0 1EM421092 B46 CLOTH 4X7X0 3T TD250UA 0EM407578 B54 WASHER 10X5XT1 0 L4400UA 1EM423431 CL1205 WIRE ASSEMBLY 28PIN 28PIN 92MM WHITE WX1L2600 001 CL1206 WIRE ASSEMBLY 28PIN 28PIN 92MM WHITE WX1L2600 001 CL1207 WIRE ASSEMBLY 28PIN 28PIN 92MM WHITE WX1L2600 001 CLN320 WIRE ASSEMBLY 1PIN 110MM BL...

Page 53: ...YTIC CAPACIT0R 150µF 200V CA2D151S6012 C612 FILM CAP P 0 01µF 50V J CMA1JJS00103 C613 FILM CAP P 0 056µF 50V J CMA1JJS00563 C631 ELECTROLYTIC CAP 2200µF 25V M CE1EMZPDL222 C632 ELECTROLYTIC CAP 22µF 100V M CE2AMASDL220 C633 ELECTROLYTIC CAP 220µF 16V M CE1CMASDL221 C634 ELECTROLYTIC CAP 1000µF 10V M CE1AMASDL102 C635 ELECTROLYTIC CAP 470µF 25V M CE1EMASDL471 C636 ELECTROLYTIC CAP 220µF 50V M CE1JM...

Page 54: ...237 ELECTROLYTIC CAP 47µF 16V M H7 CE1CMASSL470 C1239 CHIP CERAMIC CAP 1608 B K 0 1µF 50V CHD1JK30B104 C1240 CHIP CERAMIC CAP 1608 B K 0 1µF 50V CHD1JK30B104 C1241 CHIP CERAMIC CAP 1608 B K 0 1µF 50V CHD1JK30B104 C1243 CHIP CERAMIC CAP 1608 B K 0 1µF 50V CHD1JK30B104 C1245 CHIP CERAMIC CAP 1608 B K 0 1µF 50V CHD1JK30B104 Ref No Description Part No C1246 CHIP CERAMIC CAP 1608 B K 0 1µF 50V CHD1JK30...

Page 55: ...06 IC VOLTAGE REGULATOR 5V KIA7805API P NSZBA0SJY041 IC781 IC SWITCH TC4053BF EL N F QSZBA0TTS163 IC801 IC AN17812A QSZBA0SMS017 Ref No Description Part No IC851 IC MTS DECORDER AN5832SA E1V QSZBA0TMS003 IC852 IC SWITCHING TC4052BF ELNF QSZBA0TTS162 IC1201 RESET IC IC PST9223NR QSZBA0TMM006 IC1202 IC DVP R8A01027A91FP RF0Z QSZAA0RHT116 IC1205 IC EEPROM 32K BR24L32F WE2 QSZBA0TRM067 IC1207 IC TL347...

Page 56: ...1 5k Ω RRXAFR5H1501 R652 CHIP RES 1 10W F 1 5k Ω RRXAFR5H1501 R653 CHIP RES 1 10W F 1 5k Ω RRXAFR5H1501 Ref No Description Part No R654 CHIP RES 1 10W F 1 5k Ω RRXAFR5H1501 R655 CARBON RES 1 4W J 10k Ω RCX4JATZ0103 R656 CHIP RES 1 10W J 100k Ω RRXAJR5Z0104 R657 CARBON RES 1 4W J 390 Ω RCX4JATZ0391 R659 CHIP RES 1 10W J 10k Ω RRXAJR5Z0103 R661 CARBON RES 1 4W J 470 Ω RCX4JATZ0471 R663 CARBON RES 1 ...

Page 57: ...RXAJR5Z0683 R1270 CHIP RES 1608 1 10W 0 Ω RRXAZR5Z0000 R1271 CHIP RES 1 10W J 2 2k Ω RRXAJR5Z0222 Ref No Description Part No R1272 CHIP RES 1 10W J 100 Ω RRXAJR5Z0101 R1274 CHIP RES 1 10W J 39k Ω RRXAJR5Z0393 R1275 CHIP RES 1 10W J 4 3k Ω RRXAJR5Z0432 R1276 CHIP RES 1 10W J 15k Ω RRXAJR5Z0153 R1277 CHIP RES 1608 1 10W 0 Ω RRXAZR5Z0000 R1278 CHIP RES 1 10W J 100 Ω RRXAJR5Z0101 R1279 CHIP RES 1 10W ...

Page 58: ...RRXAJR5Z0152 R105 CHIP RES 1 10W J 2 2k Ω RRXAJR5Z0222 R106 CHIP RES 1 10W J 2 7k Ω RRXAJR5Z0272 R107 CARBON RES 1 4W J 4 7k Ω RCX4JATZ0472 R108 CHIP RES 1 10W J 6 8k Ω RRXAJR5Z0682 Ref No Description Part No R109 CARBON RES 1 4W J 10k Ω RCX4JATZ0103 R110 CARBON RES 1 4W J 100 Ω RCX4JATZ0101 SWITCHES SW101 TACT SWITCH SKQSAB SST0101AL038 SW102 TACT SWITCH SKQSAB SST0101AL038 SW103 TACT SWITCH SKQS...

Page 59: ...Z001SS133 D370 SWITCHING DIODE 1SS133 T 77 QDTZ001SS133 D371 SWITCHING DIODE 1SS133 T 77 QDTZ001SS133 D372 SWITCHING DIODE 1SS133 T 77 QDTZ001SS133 D373 SWITCHING DIODE 1SS133 T 77 QDTZ001SS133 D374 SWITCHING DIODE 1SS133 T 77 QDTZ001SS133 Ref No Description Part No COILS L301 COIL CHOKE ELC10D101EL LLC101KMS003 L302 COIL CHOKE ELC10D101EL LLC101KMS003 L303 COIL CHOKE ELC10D101EL LLC101KMS003 TRAN...

Page 60: ...RES 1 10W J 4 7k Ω RRXAJR5Z0472 R371 CHIP RES 1 10W J 10k Ω RRXAJR5Z0103 R372 CHIP RES 1 10W J 10k Ω RRXAJR5Z0103 R373 CHIP RES 1 10W J 10k Ω RRXAJR5Z0103 R376 CHIP RES 1 10W J 10k Ω RRXAJR5Z0103 R377 CHIP RES 1 10W J 10k Ω RRXAJR5Z0103 MISCELLANEOUS JS326 PCB JUMPER D0 6 P5 0 JW5 0T JS346 PCB JUMPER D0 6 P5 0 JW5 0T JS366 PCB JUMPER D0 6 P5 0 JW5 0T T301 TRANS INVERTER ETJV27ZJ24AC LTZ2PC0MS003 T...

Page 61: ...6620LCT 6620LG L2600UA L2604UE 2006 06 07 ...

Page 62: ... the back of the unit to make sure model types This service manual is for the 6620LCT C version model and shows only the differences between the 6620LCT C version model and 6620LCT non A version model All other information is described in the service manual of the 6620LCT non A version model Rating Label Suffix C 20 COLOR LCD TELEVISION 6620LCT TABLE OF CONTENTS Electrical Adjustment Instructions ...

Page 63: ...ontrol unit Part No N0105UD or N0127UD Remove 3 Screws from the back lid Fig 1 1 2 Added J1 Jumper Wire to the remote control CBA Fig 1 2 How to set up the service mode Service mode 1 Use the service remote control unit 2 Turn the power on Use main power on the TV unit 3 Press SLEEP button on the service remote control unit Version of micro computer will be displayed on the LCD or display Ex 0008G...

Page 64: ...ntrol unit so that flash stops D2 BRT MENU 5 128 D2 CNT 128 D2 CLR R 64 D2 CLR B 64 D2 TNT 138 D2 SHR 112 D3 BRT MENU 6 120 D3 CNT 128 D3 CLR R 64 D3 CLR B 64 D3 TNT 138 D3 SHR 112 COR C D1 VOL p 1 131 COB C D1 VOL p 3 131 DR C D1 VOL p 4 177 DB C D1 VOL p 6 175 C COR C D2 VOL p 1 136 C COB C D2 VOL p 3 136 C DR C D2 VOL p 4 157 C DB C D2 VOL p 6 152 VCOM 2 128 Item Button on the service remote co...

Page 65: ...e Service mode Press VOL p button on the remote control unit and select C D 1 mode VIDEO2 Enter the Service mode Press VOL p button on the remote control unit and select C D 2 mode 5 RF VIDEO1 When x value and y value are not within specification adjust DB C D1 or DR C D1 Refer to 1 Initial Setting Note DB C D1 or DR C D1 must be adjusted within 0 01 VIDEO2 When x value and y value are not within ...

Page 66: ...0W F 6 8k Ω RRXAFR5H6801 R516 CHIP RES 1 10W F 1 6k Ω RRXAFR5H1601 R522 CARBON RES 1 4W J 10 Ω RCX4JATZ0100 R523 CARBON RES 1 4W J 10 Ω RCX4JATZ0100 R524 CARBON RES 1 4W J 10 Ω RCX4JATZ0100 R525 CARBON RES 1 4W J 10 Ω RCX4JATZ0100 R1245 CHIP RES 1 10W F 470 Ω RRXAFR5H0471 R1246 CHIP RES 1 10W F 330 Ω RRXAFR5H3300 R1247 CHIP RES 1 10W F 470 Ω RRXAFR5H0471 R1251 CHIP RES 1 10W F 180 Ω RRXAFR5H1800 R...

Page 67: ...6620LCT L2620UA 2006 08 24 ...

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