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20” COLOR LCD TELEVISION

F20LCTE

SERVICE MANUAL

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Содержание F20LCTE

Страница 1: ...20 COLOR LCD TELEVISION F20LCTE SERVICE MANUAL...

Страница 2: ...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 proce dure or tool which is not recommen...

Страница 3: ...it Nominal Limit 1 Intermediate Freq Picture Sound MHz MHz 45 75 41 25 2 Color Killer Sens CH 2 CH 10 CH 55 dB V dB V dB V 15 15 15 20 20 20 3 AFT Pull In Range 10mV input MHz 2 1 0 7 Description Cond...

Страница 4: ...gs tied together and touch the other ohmme ter lead in turn to each tuner antenna input ex posed terminal screw and if applicable to the coaxial connector If the measured resistance is less than 1 0 m...

Страница 5: ...he ground side of the AC power source To confirm that the AC power plug is inserted correctly with an AC volt meter measure between the chassis and a known earth ground If a voltage reading in excess...

Страница 6: ...eplaced wires do not contact sharp edged or pointed parts 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 l...

Страница 7: ...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...

Страница 8: ...he Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC with tweezers while ap plying the hot air 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat...

Страница 9: ...emoving 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 twee zers Fig S...

Страница 10: ...tallation 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 easily 2 The I mark on the flat pack I...

Страница 11: ...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 1M on the workbench or other surface...

Страница 12: ...ol der 2 S 2 two screws S 2 5 Refer to the following Reference Notes in the Table ID LOC No PART REMOVAL Fig No REMOVE UNHOOK UNLOCK RELEASE UNPLUG DESOLDER Note 1 Rear Cabinet D1 11 S 1 S 2 2 Jack Ho...

Страница 13: ...4 2 L0305DC S 1 S 1 S 1 S 1 S 1 S 1 S 2 1 Rear Cabinet Fig D1...

Страница 14: ...aker L 13 Speaker R 14 Front Cabinet Fig D2 S 10 S 11 S 15 S 15 S 12 S 3 S 3 S 5 S 5 S 5 S 7 S 7 S 9 S 8 S 8 S 8 S 8 W 1 S 8 S 9 S 9 S 9 S 7 S 5 S 6 S 6 S 6 S 5 S 4 S 13 S 14 S 14 2 Jack Holder 3 Main...

Страница 15: ...N53 IR Sensor CBA Inverter CBA Main CBA LED A CBA LCD Main CBA Unit To Speaker To Speaker CN103A CN101B CN102B CN103B CN312A CN311A CN310A CN81 CN801 CLN481 CN481 CN460 CN470 CN480 CN430 CN440 CN450 C...

Страница 16: ...e back lid Fig 1 1 2 Add 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...

Страница 17: ...n on the remote control unit NORMAL 0 74 DARK 150 SAIDO 5 128 C SAIDO 188 D2 SAIDO 128 D3 SAIDO 208 H P 8 50 C H P 50 V P 9 40 C V P 40 COR C D1 VOL p 1 512 COG C D1 VOL p 2 512 COB C D1 VOL p 3 512 D...

Страница 18: ...o the CHROMA mode and bring the optical receptor to the center on the LCD Panel surface after zero point calibration as shown above Note The optical receptor must be set perpendicu larly to the LCD Pa...

Страница 19: ...ACKLIGHT SW BACKLIGHT ADJ P ON H PROTECT 1 PROTECT 2 VOLUME A MUTE SDA SCL INPUT 0 INPUT 1 S SW SCL SDA 7 20 35 31 40 19 32 41 42 43 X161 27MHz XIN XOUT TO POWER SUPPLY BLOCK DIAGRAM TO IF VIDEO BLOCK...

Страница 20: ...TO AUDIO BLOCK DIAGRAM JK706 VIDEO Y IN JK707 VIDEO Pb IN JK708 VIDEO Pr IN JK703 VIDEO1 IN JK701 S VIDEO IN IF AGC DET EQ AMP SIF AMP 2 1 7 8 BUFFER Q709 SDA TO SYSTEM CONTROL BLOCK DIAGRAM SCL S SW...

Страница 21: ...AP SW SAP FILTER I2C DECORDER SAP DEMOD SAP OUT FILTER 29 30 TO IF VIDEO BLOCK DIAGRAM TUNER AUDIO1 AUDIO2 TUNER AUDIO1 AUDIO2 L CH R CH 21 27 24 IC851 MTS SAP AUDIO SIGNAL PROCESS AUDIO1 L IN JK704 S...

Страница 22: ...46 145 138 137 136 135 130 129 128 127 126 125 118 117 116 115 114 113 108 107 101 A D VIDEO SIGNAL PROCESS LCD RGB SIGNAL PROCESS R B G Y Pb Cb Pr Cr B EVEN G EVEN R EVEN B ODD G ODD R ODD CN311A A D...

Страница 23: ...ore you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail 5 3 2 PANEL 25V 7 3 PANEL 13 9V 5 5 PANEL 6V 3 7 PANEL 25V PANEL 13 9V Q51...

Страница 24: ...9 7 T450 SW SW CTL Q431 432 Q411 Q463 Q464 BACK LIGHT 1 2 CN470 BACK LIGHT 1 2 CN480 BACK LIGHT 1 2 CN430 BACK LIGHT 1 2 CN440 BACK LIGHT 1 2 CN450 BACK LIGHT Q465 Q466 Q433 Q434 Q435 Q436 26 27 23 24...

Страница 25: ...wings 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...

Страница 26: ...ired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Wire Connectors 1 Prefix symbol CN means connector can disconn...

Страница 27: ...Ref No Position IC502 E 3 IC503 D 3 IC504 E 2 IC505 D 3 Q51 A 1 Q80 B 4 Q81 B 2 Q82 B 2 Q83 B 2 Q501 C 3 Q502 C 3 Q503 C 2 Q504 C 2 Q505 C 2 Q506 C 2 Q507 D 2 Q508 D 1 Q509 C 2 Q510 C 1 Q511 D 3 Q512...

Страница 28: ...I3 I4 J1 J2 J3 J4 K1 K2 K3 K4 L1 L2 L3 L4 VIDEO SIGNAL AUDIO SIGNAL 7 5 7 6 L0305SCM2 Main 2 4 Schematic Diagram MAIN 2 4 Ref No Position IC11 I 1 IC851 G 3 IC852 I 3 IC871 J 4 Q31 G 2 Q709 J 2 TP300...

Страница 29: ...VIDEO SIGNAL AUDIO SIGNAL Main 3 4 Schematic Diagram L0305SCM3 7 7 7 8 MAIN 3 4 Ref No Position IC781 O 3 IC801 N 2 Q701 N 3 Q702 N 3 Q703 N 3 Q704 P 1 Q705 O 1 Q706 P 1 Q707 P 2 Q708 P 2 Q791 P 4 Q80...

Страница 30: ...ME TYPE DE 4A 125V 4A 125V 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 c...

Страница 31: ...ter Schematic Diagram INVERTER Ref No Position IC401 H 3 Q403 H 1 Q405 H 1 Q411 H 3 Q412 G 3 Q431 I 2 Q432 I 2 Q433 K 2 Q434 K 2 Q435 K 1 Q436 K 1 Q461 I 3 Q462 I 4 Q463 K 3 Q464 K 3 Q465 K 3 Q466 K 3...

Страница 32: ...A1 A2 B1 B2 C1 C2 Function Schematic Diagram L0305SCF 7 13 7 14...

Страница 33: ...A1 A2 B1 B2 C1 C2 7 15 7 16 L0305SCIR IR Sensor Schematic Diagram...

Страница 34: ...A4 B1 B2 B3 B4 C1 C2 C3 C4 D1 D2 D3 D4 E1 E2 E3 E4 F1 F2 F3 F4 VIDEO SIGNAL LCD Main 1 3 Schematic Diagram 7 17 7 18 L0305SCLCD1 LCD 1 3 Ref No Position IC333 B 3 CN102B A 2 CN310A A 4 CN311A F 4 IC C...

Страница 35: ...L3 L4 VIDEO SIGNAL LCD Main 2 3 Schematic Diagram 7 19 7 20 L0305SCLCD2 LCD 2 3 Ref No Position IC151 H 4 IC171 I 3 Q101 K 4 Q102 J 4 Q103 J 4 Q104 J 4 Q105 J 3 Q106 K 3 Q107 K 3 Q108 J 2 Q109 J 1 Q1...

Страница 36: ...P3 P4 Q1 Q2 Q3 Q4 R1 R2 R3 R4 LCD Main 3 3 Schematic Diagram 7 21 7 22 L0305SCLCD3 LCD 3 3 Ref No Position IC201 P 2 IC202 N 4 IC203 N 3 IC204 N 1 IC205 N 2 Q201 Q 2 CN101B M 1 CN312A R 4 VR201 P 3 IC...

Страница 37: ...he voltage for parts in hot circuit is measured using hot GND as a common terminal CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE 4A 125V FUSE ATTENTION UTILISER UN...

Страница 38: ...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 suppl...

Страница 39: ...n CBA Top View Function CBA Bottom View BL0300F01011 2 7 27 7 28 IR Sensor CBA Top Bottom View LED A CBA Top Bottom View LED B CBA Top Bottom View BL0300F01011 3 BL0300F01011 4 BL0300F01011 5 BL0300F0...

Страница 40: ...o Position IC401 C 2 Q403 C 1 Q405 B 1 Q411 C 1 Q412 C 2 Q431 B 1 Q432 B 1 Q433 B 2 Q434 B 2 Q435 B 2 Q436 B 2 Q461 D 1 Q462 D 1 Q463 D 2 Q464 D 2 Q465 D 2 Q466 D 2 CN430 A 2 CN440 A 1 CN450 A 1 CN460...

Страница 41: ...wn in Schematic Diagram 1DIV 1 0V 20ns R365 WF2 Pin 49 of CN310A WF3 1DIV 200mV 20 s Pin 23 of CN103A WF7 1DIV 200mV 20 s Pin 21 of CN103A WF8 1DIV 100mV 400 s Pin 14 of IC801 WF6 1DIV 1 0V 10 s Pin 5...

Страница 42: ...ND FUNCTION CBA BL0300F01011 2 5 GND 1 3 CN53 4 2 RCV IN LED 5V P ON L GND 5 GND 1 3 4 2 CLN53 RCV IN LED 5V P ON L GND INVERTER CBA BL0300F01021 1 5 3 CN481 2 4 6 21V GND 21V 21V GND GND 9 7 8 10 BAC...

Страница 43: ...3 L3 L3 L3 L3 L3 L3 L17 L9 L3 L2 L2 L2 L2 L2 L2 L18 L7 L3 B4 A9 A6 A4 B29 L1 L1 L1 L5 A7 B6 B6 A10 B5 B5 B3 L19 B6 B6 B17 B17 B18 L11 See Electrical Parts List for parts with this mark SP804 SP802 SP8...

Страница 44: ...10 3 L0305PEX Packing S1 FRONT S2 S5 S4 Tape Tape Packing Tape Packing Tape Packing Tape S3 X1 X5 X3 X6 Some Ref Numbers are not in sequence X2...

Страница 45: ...CLOTH 10X190XT0 3 1EM420019 B29 RUBBER CUSHION L0301UB 1EM420364 CLN310 FFC WIRE 50P 50P 70MM WX1L0300 005 CLN311 FFC WIRE 50P 50P 70MM WX1L0300 005 CLN312 FFC WIRE 20P 20P 140MM WX1L0300 006 L1 SCRE...

Страница 46: ...0 01 F 50V CHD1JK30B103 C507 CHIP CERAMIC CAP 1608 B K 0 01 F 50V CHD1JK30B103 C509 ELECTROLYTIC CAP 100 F 10V M H7 CE1AMASSL101 C510 CHIP CERAMIC CAP 1608 B K 0 01 F 50V CHD1JK30B103 C512 CHIP CERAM...

Страница 47: ...CTROLYTIC CAP 47 F 16V M H7 CE1CMASSL470 C788 CERAMIC CAP AX F Z 0 01 F 25V CCA1EZTFZ103 C801 ELECTROLYTIC CAP 220 F 16V M H7 CE1CMASSL221 C802 ELECTROLYTIC CAP 220 F 16V M H7 CE1CMASSL221 Ref No Desc...

Страница 48: ...ERB12 06 QDQZ0ERB1206 D541 SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 SWITCHING DIODE 1N4148 NDTZ001N4148 Ref No Description Part No D542 SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 SWITCHING DIODE...

Страница 49: ...6 P5 0 JW5 0T L781 PCB JUMPER D0 6 P5 0 JW5 0T L851 PCB JUMPER D0 6 P5 0 JW5 0T Ref No Description Part No TRANSISTORS Q31 TRANSISTOR 2SC2785 F or QQSF02SC2785 TRANSISTOR 2SC2785 H or QQSH02SC2785 TRA...

Страница 50: ...QSY02SC2120 Q633 TRANSISTOR 2SC2785 F or QQSF02SC2785 TRANSISTOR 2SC2785 H or QQSH02SC2785 Ref No Description Part No TRANSISTOR 2SC2785 J or QQSJ02SC2785 TRANSISTOR KTC3199 GR or NQS10KTC3199 TRANSIS...

Страница 51: ...J 10k RRXAJR5Z0103 R90 CHIP RES 1608 1 10W J 10k RRXAJR5Z0103 R91 CARBON RES 1 4W J 4 7k RCX4JATZ0472 R92 CHIP RES 1608 1 10W J 1 RRXAJR5Z01R0 R501 CHIP RES 1608 1 10W J 10k RRXAJR5Z0103 R502 CHIP RE...

Страница 52: ...CHIP RES 1608 1 10W J 100 RRXAJR5Z0101 Ref No Description Part No R754 CHIP RES 1608 1 10W J 75 RRXAJR5Z0750 R755 CHIP RES 1608 1 10W J 18k RRXAJR5Z0183 R756 CHIP RES 1608 1 10W J 1k RRXAJR5Z0102 R757...

Страница 53: ...V 8 4 9R JXRL010RP006 JK709 RCA JACK WHITE MTJ 032 06B 22 or JXRL010LY052 RCA JACK 1P AV 8 4 9W JXRL010RP011 JK710 RCA JACK RED MTJ 032 06A 21 or JYRL010LY014 RCA JACK 1P RED WITH SW ITCH AV1 09S 2 JY...

Страница 54: ...3KV CCD3FJASL220 C442 CERAMIC CAP AX B K 0 047 F 50V CA1J473TU011 C461 ELECTROLYTIC CAP 4 7 F 35V M or CA1G4R7SP068 ELECTROLYTIC CAP 4 7 F 35V M CA1G4R7NC186 C462 ELECTROLYTIC CAP 4 7 F 35V M or CA1G...

Страница 55: ...NSISTOR KTC3199 GR or NQS10KTC3199 TRANSISTOR KTC3198 GR or NQS40KTC3198 TRANSISTOR 2SC3331 T AANP or 2SC3331TZ Ref No Description Part No TRANSISTOR 2SC3331 U AANP or 2SC3331UZ TRANSISTOR 2SC1815 GR...

Страница 56: ...608 1 10W 0 RRXAZR5Z0000 R441 CHIP RES 1608 1 10W J 10k RRXAJR5Z0103 R442 CHIP RES 1608 1 10W J 470 RRXAJR5Z0471 R443 CHIP RES 1608 1 10W 0 RRXAZR5Z0000 R444 CHIP RES 1608 1 10W J 10k RRXAJR5Z0103 R44...

Страница 57: ...F20LCTE L0305UF 2004 09 21...

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