FUNAI LCD-A1506 Скачать руководство пользователя страница 14 | Manualshive

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background image

4-4

L4531DC

TV Cable Wiring Diagram

Fig. D3

IR Sensor CBA

CN802

To Speaker

Function CBA

CN801

To Speaker

CLN53

CN101A

CN102A

CN103A

CN101B

CN102B

CN103B

Main CBA

CN401

CN403

CN53

CN106

CN31B

CN311

CN312

LCD Main
CBA Unit

To Liquid
Crystal
Panel Unit

To Liquid
Crystal
Panel Unit

Van Woerkom electra

www.freeservicemanuals.info

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Содержание LCD-A1506

Страница 1: ...SERVICE MANUAL 15 COLOR LCD TELEVISION LCD A1506 LCD B1506 LCD C1506 LCD D1506 Van Woerkom electra www freeservicemanuals info...

Страница 2: ...trical Adjustment Instructions 6 1 Block Diagrams 7 1 Schematic Diagrams CBA s and Test Points 8 1 Waveforms 9 1 Wiring Diagram 10 1 Exploded View 11 1 Mechanical Parts List 12 1 Electrical Parts List...

Страница 3: ...K SECAM L SECAM L MHz MHz MHz MHz MHz MHz 38 9 33 9 33 4 32 9 32 4 40 4 2 Video S N White 50 CH 3 dB 45 40 3 Audio S N Output Level 500mV dB 53 47 Description Condition Unit Nominal Limit 1 Number of...

Страница 4: ...pplicable to the coaxial connector If the measured resistance is less than 1 0 megohm or greater than 5 2 megohm an abnormality exists that must be corrected before the instrument is returned to the c...

Страница 5: ...be sure that leads and components do not touch thermally hot parts c the AC supply d high voltage and e antenna wiring Always inspect in all areas for pinched out of place or frayed wiring Check AC p...

Страница 6: ...s 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 remai...

Страница 7: ...xposed accessible parts RF terminals an tenna terminals video and audio input and output ter minals microphone jacks earphone jacks etc Measuring Method Power ON Insert load Z between B earth ground p...

Страница 8: ...ed 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...

Страница 9: ...you can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or hot air blower pull up the...

Страница 10: ...fference caused by electrostatic charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1 M that is properly grounded to remove any static electricity that may...

Страница 11: ...se Unplug 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 Uncl...

Страница 12: ...4 2 L4531DC 1 Rear Cabinet 2 Stand A S 1 S 1 S 1 S 2 Shaft S 1 S 2 5 Stand B 3 Bracket 4 Holder S 1 S 3 S 4 S 5 Fig D1 Van Woerkom electra www freeservicemanuals info...

Страница 13: ...CBA 6 Jack Holder 9 Function CBA 10 Speaker 12 Front Cabinet Speaker Holders S 8 7 Main CBA 10 Speaker S 10 S 7 S 6 S 9 S 9 S 9 S 9 S 10 S 10 8 LCD Main CBA Unit Liquid Crystal Panel Unit S 6 S 8 S 8...

Страница 14: ...To Speaker Function CBA CN801 To Speaker CLN53 CN101A CN102A CN103A CN101B CN102B CN103B Main CBA CN401 CN403 CN53 CN106 CN31B CN311 CN312 LCD Main CBA Unit To Liquid Crystal Panel Unit To Liquid Crys...

Страница 15: ...Use main power on the TV unit 2 To enter the service mode press STANDBY 2 7 1 and MUTE buttons on the remote control unit in that order within 5 seconds To cancel the service mode press STANDBY button...

Страница 16: ...remote control 1 Initial Setting General Enter the Service mode Set the each initial data as shown on table 1 below Table 1 Initial Data ITEM BUTTON on the remote control DATA VALUE BRT PAL MENU 1 13...

Страница 17: ...SC 131 C SHR NTSC 143 BRIGHT 0 0 NORMAL 0 40 DARK 0 95 COR C D S 1 VOL p 1 128 COG C D S 1 VOL p 2 128 COB C D S 1 VOL p 3 128 DR C D S 1 VOL p 4 180 DG C D S 1 VOL p 5 180 DB C D S 1 VOL p 6 180 SBR...

Страница 18: ...t DB C D S 1 or DR C D S 1 Refer to 1 Initial Setting RF AV2 CVBS APL 40 Press 3 button to select COB C D S 1 for Blue adjustment Press 1 button to select COR C D S 1 for Red adjustment When x value a...

Страница 19: ...5V CN105 IS USED FOR ADJUSTMENT AT FACTORY MPWEL MPCE MPOE MPSEL 0 MPWEH RESET QH HDIN FBIN BUS OPEN 2 DVP RESET PC 8 DVP CLK PC 5 CN301 NO CONNECTION DVP SOUT PC 6 DVP SIN PC 7 DVP CS PC 4 MPSEL 0 3...

Страница 20: ...D BLOCK DIAGRAM CN103B IC781 INPUT SELECT SW CONTROL 10 9 11 INPUT 0 INPUT 1 TO SYSTEM CONTROL BLOCK DIAGRAM Q872 Q871 TUNER UNIT BUFFER WF7 WF2 WF3 WF6 WF5 WF4 3 5 4 12 13 14 2 1 15 CVBS1 8 S VIDEO C...

Страница 21: ...JK723 SIF JK724 AUDIO1 R IN 14 IC801 AUDIO AMP 7 VOLUME 11 AMP AMP MUTE STANDBY CONTROL 6 1 R CH L CH 2 JK801 HEADPHONE JACK CN801 SP R 1 GND 2 TO IF VIDEO BLOCK DIAGRAM 3 15 WF1 CLN801 SP801 SPEAKER...

Страница 22: ...9 OR 0 34 OR 1 33 OR 2 32 OG 3 24 OG 4 23 OG 5 22 OG 0 27 OG 1 26 OG 2 25 OB 3 17 OB 4 16 OB 5 15 OB 0 20 OB 1 19 OB 2 18 ER 3 3 ER 4 2 ER 5 1 ER 0 6 ER 1 5 ER 2 4 EG 3 47 EG 4 46 EG 5 45 EG 0 50 EG 1...

Страница 23: ...OCK DIAGRAM TO LCD BACKLIGHT BLOCK DIAGRAM F601 T4A L 250V Q608 Q603 Q504 Q633 Q502 Q632 Q507 Q506 6V REG 5V REG IC602 3 3V REG IC605 5V REG 5V REG Q501 25V REG Q503 10 8V REG Q505 PROTECT 2 AL 5V 11...

Страница 24: ...2 6 1 4 10 8 TO POWER SUPPLY BLOCK DIAGRAM MAIN CBA CURRENT CONTROL SWITCH Q461 Q464 T402 OVER VOLTAGE PROTECTOR Q462 463 9 7 3 5 2 6 1 4 10 8 OVER VOLTAGE PROTECTOR Q404 Q406 SWITCHING OVER CURERENT...

Страница 25: ...rrect 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 a...

Страница 26: ...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 sc...

Страница 27: ...8 3 L4520SCM1 Main 1 4 Schematic Diagram Van Woerkom electra www freeservicemanuals info...

Страница 28: ...c Diagram CN103A 1 0 1 2 0 4 3 0 2 4 0 5 2 6 6 2 6 7 0 8 1 7 9 0 2 10 0 11 3 5 12 5 2 13 6 9 14 3 1 15 0 16 4 8 17 0 18 5 2 19 0 20 5 2 21 3 3 22 3 1 23 0 VOLTAGE CHART Pin No Voltage Van Woerkom elec...

Страница 29: ...wn 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 circu...

Страница 30: ...chematic Diagram CN102A 1 3 8 2 0 3 0 1 4 5 2 5 5 2 6 3 3 7 0 2 8 0 9 2 0 10 0 11 4 4 12 0 4 13 3 8 14 1 5 15 3 4 16 0 17 0 18 5 2 19 5 2 20 0 21 0 22 0 23 0 VOLTAGE CHART Pin No Voltage Van Woerkom e...

Страница 31: ...8 7 Function Schematic Diagram L4520SCF Van Woerkom electra www freeservicemanuals info...

Страница 32: ...8 8 L4520SCL1 LCD Main 1 2 Schematic Diagram Van Woerkom electra www freeservicemanuals info...

Страница 33: ...8 9 L4520SCL2 LCD Main 2 2 Schematic Diagram Van Woerkom electra www freeservicemanuals info...

Страница 34: ...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 c...

Страница 35: ...s present in the power supply circut an isolation transformer must be used Also in order to have the ability to increase the input slowly when troubleshooting this type power supply circuit a variable...

Страница 36: ...8 12 IR Sensor CBA Top Bottom View Function CBA Top View Function CBA Bottom View BL4520F01012 2 BL4520F01012 3 Van Woerkom electra www freeservicemanuals info...

Страница 37: ...atic Diagram WF1 Pin 14 of IC801 AUDIO 0 1V 0 5ms WF2 Pin 1 of IC781 S VIDEO Y 0 2V 10 s WF3 Pin 13 of IC781 S VIDEO C 0 2V 20 s WF4 Pin 3 of CN103A B 0 5V 5 s WF7 Pin 9 of CN103A CVBS2 0 2V 20 s WF5...

Страница 38: ...9 WF14 Waveforms to be observed at Waveform check points Shown in Schematic Diagram WF9 R997 WF10 R902 WF11 R901 WF12 R904 WF13 R907 WF14 R905 CTKH 1V 20ns STH1 1V 1 s POL 1V 20 s LP 1V 10 s STV1 1V 5...

Страница 39: ...25V 7 TEST 8 PANEL 3 3V 9 NU 10 PANEL 6V 11 NU 12 OFFEV 13 STV1 14 CLKV 15 NU 16 GND 17 NU 18 NU 19 NU 20 NU 21 GND 22 VREF 9 23 VREF 8 24 VREF 7 25 VREF 6 26 VREF 5 27 GND 28 VREF 4 29 VREF 3 30 VRE...

Страница 40: ...02 SP802 See Electrical Parts List for parts with this mark Main CBA Function CBA IR Sensor CBA B10 L4 L1 L21 L21 L9 L17 LCD Main CBA Unit Liquid Crystal Panel Unit AC601 L4 L1 B9 L16 A5 L9 B34 L30 B5...

Страница 41: ...1 Some Ref Numbers are not in sequence X5 X3 Comparison Chart of Models and Marks Model Mark LCD A1506 LCD B1506 LCD C1506 LCD D1506 A B C D X2 1 X2 2 X2 3 X2 4 X2 5 X2 6 X2 7 X2 12 A X2 1 B C D X2 2...

Страница 42: ...GBHP3100 L23 SCREW P TIGHT M3X8 BIND HEAD GBJP3080 L25 ASSEMBLED SCREW M3X10 1EM420633A L30 SCREW P TIGHT M3X8 DISH HEAD GDJP3080 SP801 SPEAKER S0407F10 DSD0807XQ002 SP802 SPEAKER S0407F10 DSD0807XQ0...

Страница 43: ...C CAP 10 F 50V M or CE1JMASDL100 ELECTROLYTIC CAP 10 F 50V M or CA1J100SP085 ALUMINUM ELECTROLYTIC CAP 10 F 50V M CE1JMASTM100 C427 CHIP CERAMIC CAP 1608 B K 0 01 F 50V CHD1JK30B103 C428 ELECTROLYTIC...

Страница 44: ...LYTIC CAP 470 F 10V M or CA1A471SP085 ELECTROLYTIC CAP 470 F 10V M CE1AMASTM471 C654 CHIP CERAMIC CAP 1608 B K 0 01 F 50V CHD1JK30B103 C655 ELECTROLYTIC CAP 470 F 6 3V M or CE0KMASDL471 ELECTROLYTIC C...

Страница 45: ...HD1JK30B103 C847 ELECTROLYTIC CAP 10 F 16V M or CE1CMASDL100 ELECTROLYTIC CAP 10 F 16V M or CA1C100SP085 ELECTROLYTIC CAP 10 F 16V M CE1CMASTM100 Ref No Description Part No C848 CHIP CERAMIC CAP 1608...

Страница 46: ...0DZ5R6BS D611 ZENER DIODE MTZJT 7722B or QDTB00MTZJ22 ZENER DIODE DZ 22BSBT265 NDTB00DZ22BS Ref No Description Part No D612 SWITCHING DIODE 1SS133 T 77 QDTZ001SS133 D613 SWITCHING DIODE 1SS133 T 77 QD...

Страница 47: ...OR KTA 1266 GR AT P or NQS4KTA1266P TRANSISTOR 2SA1318 T AANP or 2SA1318TZ TRANSISTOR 2SA1318 U AANP 2SA1318UZ Q406 TRANSISTOR 2SC2120 O TE2 F T or QQS02SC2120F TRANSISTOR 2SC2120 Y TE2 F T QQSY2SC212...

Страница 48: ...A103YF002 R437 CHIP RES 1 10W J 10k or RRXAJR5Z0103 Ref No Description Part No RES CHIP 1608 1 10W J 10k RRXA103YF002 R461 CHIP RES 1 10W J 390 or RRXAJR5Z0391 RES CHIP 1608 1 10W J 390 RRXA391YF002 R...

Страница 49: ...002 R661 CARBON RES 1 4W J 1 2k RCX4JATZ0122 R663 CARBON RES 1 4W J 2 2 RCX4JATZ02R2 Ref No Description Part No R664 CARBON RES 1 4W J 2 2 RCX4JATZ02R2 R665 PCB JUMPER D0 6 P5 0 JW5 0T R667 CARBON RES...

Страница 50: ...METAL OXIDE FILM RES 2W J 2 2 or RN022R2ZU001 Ref No Description Part No METAL OXIDE FILM RES 2W J 2 2 RN022R2DP004 R807 METAL OXIDE FILM RES 2W J 2 2 or RN022R2ZU001 METAL OXIDE FILM RES 2W J 2 2 RN0...

Страница 51: ...ER ETJV27ZJ22AC LTZ2PC0MS002 T402 TRANS INVERTER ETJV27ZJ22AC LTZ2PC0MS002 T601 TRANS POWER 6740 LTT3PE0KT012 TM601 EYELET TYPE D 1 0VM406868 TM602 EYELET TYPE D 1 0VM406868 X831 XTAL 18 432MHz FXD186...

Страница 52: ...ption Part No MISCELLANEOUS AC601 A C D AC CORD CEE 1800MM BLACK WAE0182LW004 AC601 B AC CORD BS 1800MM BLACK WAB0182LW017 TU1 A B D TUNER UNIT BS TMFE6 301A UTUNPLGAL018 TU1 C TUNER UNIT BS TMFE6 401...

Страница 53: ...LCD A1506 LCD B1506 LCD C1506 LCD D1506 L4520EA 21BB 22FC 23RD 2006 08 04 Van Woerkom electra www freeservicemanuals info...

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