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Sylvania 6620 LDF, Service Manual

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Sylvania 6620 LDF Service Manual Download Page 63

20050609

17-1

L3250EL

ELECTRICAL PARTS LIST

PRODUCT SAFETY NOTE:

 Products marked with a 

#

 have special characteristics important to safety. 

Before replacing any of these components, read 
carefully the product safety notice in this service 
manual. Don't degrade the safety of the product 
through improper servicing.

NOTES: 

1. Parts that are not assigned part numbers (---------) 

are not available.

2. Tolerance of Capacitors and Resistors are noted 

with the following symbols.

DVD MAIN CBA UNIT

LCD MAIN CBA & LIQUID CRYSTAL 
PANEL UNIT

MMA CBA

MAIN CBA

C.....±0.25%

D.....±0.5%

F.....±1%

G.....±2%

J......±5%

K.....±10%

M.....±20%

N.....±30%

Z.....+80/-20%

Ref. No.

Description

Part No.

DVD MAIN CBA UNIT

N7XT0JUP

Ref. No.

Description

Part No.

LCD MAIN CBA & LIQUID CRYSTAL PANEL 
UNIT

1FSA10059

Ref. No.

Description

Part No.

MMA CBA
Consists of the following:

1ESA10882

MAIN CBA
IR SENSOR CBA

----------
----------

Ref. No.

Description

Part No.

MAIN CBA
Consists of the following:

----------

CAPACITORS

C11

ELECTROLYTIC CAP. 47

µ

F/10V M

CE1AMASDL470

C12

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C13

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C15

ELECTROLYTIC CAP. 1

µ

F/50V M

CE1JMASDL1R0

C21

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C22

ELECTROLYTIC CAP. 100

µ

F/10V M

CE1AMASDL101

C23

CHIP CERAMIC CAP.(1608) CH J 1000pF/50V

CHD1JJ3CH102

C24

CHIP CERAMIC CAP.(1608) CH J 1000pF/50V

CHD1JJ3CH102

C25

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C26

PCB JUMPER D0.6-P5.0

JW5.0T

C27

FILM CAP.(P) 0.018

µ

F/50V J

CA1J183MS029

C28

CHIP CERAMIC CAP.(1608) B K 0.047

µ

F/50V

CHD1JK30B473

C29

CHIP CERAMIC CAP. CH D 3pF/50V

CHD1JD3CH3R0

C30

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C31

PCB JUMPER D0.6-P5.0

JW5.0T

C32

ELECTROLYTIC CAP. 100

µ

F/10V M

CE1AMASDL101

C34

CHIP CERAMIC CAP.(1608) CH J 47pF/50V

CHD1JJ3CH470

C35

ELECTROLYTIC CAP. 1

µ

F/50V M

CE1JMASDL1R0

C36

CHIP CERAMIC CAP.(1608) CH J 47pF/50V

CHD1JJ3CH470

C37

CHIP CERAMIC CAP. CH J 680pF/50V

CHD1JJ3CH681

C39

ELECTROLYTIC CAP. 0.47

µ

F/50V M

CE1JMASDLR47

C41

ELECTROLYTIC CAP. 4.7

µ

F/50V M

CE1JMASDL4R7

C42

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C43

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C44

ELECTROLYTIC CAP. 100

µ

F/10V M

CE1AMASDL101

C45

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C46

ELECTROLYTIC CAP. 47

µ

F/16V M

CE1CMASDL470

C501

ELECTROLYTIC CAP. 22

µ

F/50V M H7

CE1JMAVSL220

C502

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C503

ELECTROLYTIC CAP. 220

µ

F/16V M

CE1CMASDL221

C504

ELECTROLYTIC CAP. 100

µ

F/10V M

CE1AMASDL101

C505

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C506

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C507

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C508

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C515

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C531

ELECTROLYTIC CAP. 330

µ

F/50V M

CE1JMZPDL331

C532

CHIP CERAMIC CAP.(1608) B K 0.22

µ

F/25V

CHD1EK30B224

C534

ELECTROLYTIC CAP. 47

µ

F/16V M H7

CE1CMAVSL470

C535

ELECTROLYTIC CAP. 470

µ

F/16V M

CE1CMASDL471

C537

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C538

ELECTROLYTIC CAP. 10

µ

F/50V M

CE1JMASDL100

C539

CHIP CERAMIC CAP.(1608) CH J 100pF/50V

CHD1JJ3CH101

C601

#

METALLIZED FILM CAP. 0.22

µ

F/250V

CT2E224MS037

C602

#

METALLIZED FILM CAP. 0.1

µ

F/250V

CT2E104MS037

C608

CERAMIC CAP. B K 1000pF/2KV

CCD3DKP0B102

C610

ELECTROLYTIC CAP. 150

µ

F/200V M

CE2DMZPDL151

C612

FILM CAP.(P) 0.01

µ

F/50V J

CMA1JJS00103

C613

FILM CAP.(P) 0.056

µ

F/50V J

CMA1JJS00563

C614

PCB JUMPER D0.6-P5.0

JW5.0T

C615

PCB JUMPER D0.6-P5.0

JW5.0T

C631

#

ELECTROLYTIC CAP. 2200

µ

F/35V M

CE1GMZPDL222

C633

#

ELECTROLYTIC CAP. 220

µ

F/16V M

CE1CMASDL221

C635

#

ELECTROLYTIC CAP. 1000

µ

F/10V M

CE1AMASDL102

C636

CHIP CERAMIC CAP.(1608) B K 0.1

µ

F/50V

CHD1JK30B104

C637

#

ELECTROLYTIC CAP. 2200

µ

F/35V M

CE1GMZPDL222

C638

CHIP CERAMIC CAP.(1608) B K 0.1

µ

F/50V

CHD1JK30B104

C639

ELECTROLYTIC CAP. 1000

µ

F/10V M

CE1AMASDL102

C641

#

SAFETY CAP. 4700pF/250V KX

CA2E472MR050

C643

ELECTROLYTIC CAP. 1000

µ

F/10V M

CE1AMZPDL102

C644

#

ELECTROLYTIC CAP. 100

µ

F/50V M

CE1JMASTL101

C645

#

ELECTROLYTIC CAP. 10

µ

F/50V M

CE1JMASDL100

C646

FILM CAP.(P) 0.068

µ

F/50V J

CMA1JJS00683

C648

ELECTROLYTIC CAP. 1

µ

F/50V M

CE1JMASDL1R0

C649

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C650

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C652

#

ELECTROLYTIC CAP. 470

µ

F/25V M

CE1EMZPDL471

C654

#

ELECTROLYTIC CAP. 100

µ

F/200V M

CE2DMZPDL101

C657

ELECTROLYTIC CAP. 47

µ

F/16V M

CE1CMASDL470

C659

FILM CAP.(P) 0.022

µ

F/50V J

CMA1JJS00223

C660

FILM CAP.(P) 0.0068

µ

F/50V J

CMA1JJS00682

C671

ELECTROLYTIC CAP. 470

µ

F/10V M

CE1AMASTL471

C672

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C673

ELECTROLYTIC CAP. 470

µ

F/10V M

CE1AMASTL471

C674

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

C701

CHIP CERAMIC CAP.(1608) B K 0.01

µ

F/50V

CHD1JK30B103

Ref. No.

Description

Part No.

Summary of Contents for 6620 LDF

Page 1: ...SERVICE MANUAL 20 LCD TV DVD 6620LDF ...

Page 2: ...TIONS and NOTICES ARE NOT EXHAUSTIVE Funai could not possibly know evaluate and advice the service trade of all conceivable ways in which 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 precautio...

Page 3: ...ly Instructions 5 1 Electrical Adjustment Instructions 6 1 How to Initialize the LCD TV DVD 7 1 Firmware Renewal Mode 8 1 Block Diagrams 9 1 Schematic Diagrams CBA s and Test Points 10 1 Waveforms 11 1 Wiring Diagram 12 1 System Control Timing Charts 13 1 Lead Identifications 14 1 Exploded Views 15 1 Mechanical Parts List 16 1 Electrical Parts List 17 1 ...

Page 4: ...s Description Condition Unit Nominal Limit 1 Intermediate Freq Picture Sound MHz MHz 45 75 41 25 2 Color Killer Sens CH 4 dBµV 20 25 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 450 3 Response Time msec 16 4 Support Color 16 mil 8 bit 5 Viewing Angle Horizontal Vertical 85 to 8...

Page 5: ...tion NOTES 1 All Items are measured without pre emphasis unless otherwise specified 2 Power supply AC120 V 60 Hz 3 Ambient temperature 25 C ITEM CONDITIONS UNIT NOMINAL LIMIT 1 Coaxial Digital Out 75 ohm load mVpp 500 100 ...

Page 6: ... is turned on Do not look directly at the laser beam CAUTION Use of controls and adjustments or doing procedures other than those specified herein may result in hazardous radiation exposure Location Top of DVD mechanism Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin Drive Mechanism Assembly within the DVD Mechanism Laser Beam Radiation Laser P...

Page 7: ...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 8: ... 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 9: ...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 10: ...ed 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 following tab...

Page 11: ...l With Hot Air Flat Pack IC Desoldering Machine 1 Prepare the hot air flat pack IC desoldering machine then apply hot air to 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 u...

Page 12: ...ead of the flat pack IC upward one by 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 F...

Page 13: ...rs 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 e...

Page 14: ...ed 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 you...

Page 15: ...art Removal Fig No Remove Unhook Unlock Release Unplug Unclamp Desolder Note 1 Rear Cabinet D1 11 S 1 S 2 4 S 3 Tilt Stand Assembly 2 Jack Holder D2 3 S 4 S 5 3 DVD Main CBA Unit D2 D5 3 S 6 CN201 CN301 CN401 CN601 CN801 1 4 Loader PCB Holder D2 S 7A 2 S 7B 5 DVD Mechanism D2 4 S 8 2 6 DVD Holder R D2 2 S 9 7 DVD Holder L D2 2 S 10 4 Loader PCB Holder 1 Rear Cabinet 12 Function CBA 14 Speaker R 2 ...

Page 16: ...e removing the FFC cable CN201 from it If you disconnect the FFC cable CN201 the laser diode of pickup will be destroyed Fig D2 2 Disconnect Connectors CN301 CN401 CN601 and CN801 Remove three Screws S 6 and remove the DVD Main CBA Unit Fig D2 2 CAUTION 2 When reassembling confirm the FFC cable CN201 is connected completely Then remove the solder from the three short lands of FPC cable Fig D2 3 Ho...

Page 17: ...ort the three short lands by soldering Either of two places Connector 2 Jack Holder S 4 S 4 S 5 S 6 S 7B S 8 S 9 S 9 S 10 S 10 S 7A A 3 DVD Main CBA Unit 4 Loader PCB Holder 5 DVD Mechanism 6 DVD Holder R 7 DVD Holder L Fig D2 ...

Page 18: ...5 4 L3250DC 8 Main CBA 10 Tilt Stand Holder 9 Inverter CBA S 11 S 11 S 11 S 11 S 12 S 12 S 13 S 14 Fig D3 ...

Page 19: ...5 5 L3250DC S 15 S 15 S 15 S 18 S 16 S 17 S 19 S 16 S 15 S 15 S 15 11 LCD Main CBA Liquid Crystal Panel Unit 12 Function CBA 13 IR Sensor CBA 16 Front Cabinet 15 Speaker L 14 Speaker R Fig D4 ...

Page 20: ...nction CBA Main CBA LCD Main CBA DVD Main CBA Unit To Speaker To Speaker CN103A CN101B CN102B CN103B CN311 CN601 CN301 CN201 CN801 CN401 CN1751 CN1651 CN1761 CN312 CN104 CLN104 CN113 CN1701 To Liquid Crystal Panel To DVD Mechanism Inverter CBA CN460 CLN411 CN411 CN490 CN450 To Liquid Crystal Panel Fig D5 ...

Page 21: ...not disconnect connectors 3 To remove the Chassis Cover remove 4 screws A as shown in Fig D6 4 Remove a disc Reassembly note of the Chassis Cover 1 Insert the pin A on the Chassis Cover into the hole A on the Main Chassis as shown in Fig D7 2 Tighten 4 screws A as shown in Fig D6 Chassis Cover Disc Screws A Fig D6 Chassis Cover Pin A Hole A Main Chassis Fig D7 ...

Page 22: ...rews from the back lid Fig 1 1 2 Cut off pin 10 of the remote control microprocessor and short circuit pins 10 and 17 of the microprocessor with a jumper wire 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 DISC MENU button on the service remote control unit Version of micro computer will be displayed on th...

Page 23: ... 4 Press CH o p buttons on the remote control unit so that flash stops D2 BRT MENU 5 135 D2 CNT 145 D2 CLR R 68 D2 CLR B 68 D2 TNT 128 D2 SHR 35 D3 BRT MENU 6 120 D3 CNT 144 D3 CLR R 69 D3 CLR B 69 D3 TNT 128 D3 SHR 28 DR C D1 VOL p 4 176 C DR C D2 176 DB C D1 VOL p 6 147 C DB C D2 147 Item Button Use the attached remote control unit not service remote control unit Data Value VCOM 110 VCOM 110 FLA...

Page 24: ...he Service mode Press VOL p button on the remote control unit and select C D1 mode VIDEO2 Enter the Service mode Press VOL p button on the remote control unit and select C D2 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 s...

Page 25: ...T button to go to TV mode or press POWER button to turn the power off LCD TV Section 1 Turn the power on Use main power on the TV unit 2 To enter the service mode press DISC MENU 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 t...

Page 26: ...nit to put the LCD TV DVD into DVD mode again 9 Press 1 2 3 4 and DISPLAY buttons on the remote control unit in that order Fig g appears on the screen 10 Press CLEAR button on the remote control unit Fig h appears on the screen When OK appears on the screen the factory default will be set Then the firmware renewal mode is complete 11 To exit this mode press CH o p or SELECT button to go to TV mode...

Page 27: ...L 1 CN112 NO CONNECTION IC171 MEMORY SCL 6 SDA 5 7 WP BUS OPEN 4 NO PART MOUNTED FOR CN112 P ON H2 NU 14 10 16 P ON H2 AFT IN 10 14 5 AFT IN 80 TUNERCLK Q301 BUFFER AFT IN FSC FSC 1 23 BUS OPEN 5 19 CN103B CN103A CN113 NO CONNECTION SDA 2 SCL 1 BUS OPEN 4 CN113 IS USED FOR ADJUSTMENT AT FACTORY P ON H 4 5 Q131 3 3V 5V CONVERTER 34 DVD MUTE DVD MUTE 23 1 DVD PWR CON 18 6 DVD MUTE DVD PWR CON TO SYS...

Page 28: ... BLOCK DIAGRAM CN103B VIDEO Y 5 VIDEO Pb Cb 3 VIDEO Pr Cr 1 3 IC781 INPUT SELECT 5 Q703 4 13 12 Q702 14 1 2 Q701 15 SW CONTROL 10 9 11 INPUT 0 INPUT 1 TO SYSTEM CONTROL BLOCK DIAGRAM Q707 Q708 Q704 Q705 Q706 TUNER UNIT BUFFER BUFFER BUFFER BUFFER BUFFER BUFFER WF7 WF8 WF9 WF10 WF11 WF12 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 1...

Page 29: ...OL PORT 4X 8X OVERSAMPLING DIGITAL FILTER FUNCTION CONTROLLER ENHANCED MULTI LEVEL DELTA SIGMA MODULATOR DAC LPF AMP L CH R CH LPF AMP DAC ZERO DETECT SYSTEM CLOCK MANAGER 7 6 8 TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM SPDIF PCM BCK PCM DATA PCM LRCLK AUDIO SERIAL PORT 15 14 16 7 DVD MUTE 14 8 DVD AUDIO R 15 6 DVD AUDIO L 13 11 SPDIF 18 DVD MAIN CBA UNIT TO SYSTEM CONTROL SERVO BLOCK DIAGRAM DVD SE...

Page 30: ...ER 4 2 ER 5 1 EG 0 50 EG 1 49 EG 2 48 EG 3 47 EG 4 46 EG 5 45 EB 0 43 EB 1 42 EB 2 41 EB 3 40 EB 4 39 EB 5 38 OFFEV 12 STV1 13 CLKV 14 HMS1 E 7 HMS1 0 13 STH1 42 POL 43 LP 44 CN311 170 60 52 74 169 166 165 164 163 162 161 157 156 155 154 153 152 148 147 146 145 138 137 136 135 130 129 128 127 126 125 118 117 116 115 114 113 108 107 101 105 106 144 139 172 173 174 A D VIDEO SIGNAL PROCESS LCD RGB S...

Page 31: ... 3V D 4 4 EV 3 3V A 5 5 CN1761 EV 3 3V A 6 6 DVD ON 3 3V 7 7 DVD ON 5V 8 8 EV 9V 9 9 EV 9V 10 10 SENSOR 3 3V 25 25 EV 1 2V DVD ON 3 3V EV 3 3V D EV 3 3V A DVD ON 5V EV 9V SENSOR 3 3V DVD MAIN POWER 18 6 DVD MAIN POWER CN103A CN103B IC1652 1 2V REG Q1656 Q1657 Q1655 Q1654 AL 12V Q1653 Q1651 Q1652 IC671 5V REG Q503 VT 33V DVD PWR CON AL 7V D 21 3 IC191 3 3V REG IC192 1 5V REG IC193 3 3V REG TO LCD B...

Page 32: ... REG OUTPUT LOGIC1 OUTPUT LOGIC2 LOGIC OVER VOLTAGE PROTECT SLOW START OSC PWM2 PWM1 STANDBY MODE SW 4 5 7 OVER VOLTAGE PROTECTOR Q451 452 OVER VOLTAGE PROTECTOR Q454 455 7 6 9 8 1 2 13 14 T490 CN490 OVER VOLTAGE PROTECTOR Q491 492 1 2 1 2 T460 CN460 OVER VOLTAGE PROTECTOR Q461 462 10 IC402 OP AMP AL 21V 9 7 3 1 6 4 2 5 10 8 9 7 3 1 6 4 2 5 10 8 9 7 3 1 6 4 2 5 10 8 TO POWER SUPPLY BLOCK DIAGRAM M...

Page 33: ...26 143 SP ROT 146 FD OFST 139 TD OFST RESET IC461 2 1 3 3V TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM DRIVE CBA DVD MAIN CBA UNIT CN1761 LCD MAIN CBA UNIT CN401 1 DISC OUT 1 25 TREDCONTV 25 140 SL ADS DISC IN 1 2 6 7 5 3 3 DISC IN 3 2 DISC OUT 2 CN801 CN5001 DISC OUT SENSOR CBA 3 3V 1 LED POWER 1 Q802 Q804 Q801 81 DISC IN 78 DISC OUT TO SYSTEM CONTROL BLOCK DIAGRAM LCD TV SECTION 59 DVD PWR CON 60 FP...

Page 34: ...ST ROM DATA RAM INST ROM SERIAL D A GENERAL I O INTERRUPT CONTROLLER TIMER WATCH DOG TIMER REMOTE CONTROL 32BIT CPU STREAM I F EXTERNAL MEMORY I F SDRAM ECC UMAC 114 115 116 117 132 131 134 133 129 130 126 124 125 123 83 DEBUG BCU INST RAM DATA RAM D A 149 158 Y I P C VIDEO Y I P VIDEO C 177 SPDIF 170 PCM BCK 171 PCM DATA 23 51 SDRAM ADDRESS 0 11 IC103 FLASH ROM FLASH ROM 29 36 38 45 DATA VIDEO AU...

Page 35: ...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 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 ...

Page 36: ... only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Voltage indications for PLAY and STOP modes on the schematics are as shown below 5 How to read converged lines 6 Test Point Information 2 3 1 5 0 2 5 0 TV mode Power on TV mode Power off DVD mode TV Section Unit Volts 5 0 The same voltage for both TV DVD modes Unit Volts Indi...

Page 37: ... L3250SCM1 MAIN 1 4 Ref No Position IC531 D 4 IC533 E 3 IC671 E 2 IC672 E 2 Q501 C 4 Q502 C 4 Q503 B 3 Q505 C 3 Q509 C 3 Q510 B 2 Q511 C 3 Q512 C 2 Q513 C 2 Q531 D 3 Q633 E 1 CN101A A 4 CN102A A 3 CN411 F 4 CONNECTORS ICS TRANSISTORS ...

Page 38: ...10 4 L3250SCM2 Main 2 4 Schematic Diagram MAIN 2 4 Ref No Position IC31 I 1 IC851 H 3 IC852 J 4 Q32 J 2 CN113 G 1 CONNECTOR ICS TRANSISTOR ...

Page 39: ...81 P 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 Q802 O 1 Q803 N 1 Q804 O 2 Q1701 P 4 CN103A M 2 CN801 M 3 CN802 M 4 CN1701 R 4 TP1801 Q 4 TP1802 Q 4 TP1803 Q 4 TP1804 Q 4 TP1805 Q 4 TP1806 Q 4 CONNECTORS ICS TRANSISTORS TEST POINTS ...

Page 40: ...wise 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 125V 4A 125V MAIN 4 4 Ref No Position IC601 U 1 IC1652 W 3 Q601 S 2 Q603 T 2 Q1651 W...

Page 41: ...m INVERTER Ref No Position IC401 A 3 IC402 E 3 Q403 B 1 Q411 B 3 Q412 B 3 Q421 B 4 Q426 B 3 Q433 B 2 Q451 E 4 Q452 D 4 Q454 D 3 Q455 D 3 Q461 E 2 Q462 D 2 Q491 D 3 Q492 D 3 CLN411 A 1 CN450 F 4 CN460 F 2 CN490 F 4 ICS TRANSISTORS CONNECTORS ...

Page 42: ...10 8 L3250SCF Function Schematic Diagram ...

Page 43: ...10 9 L3250SCIR IR Sensor Schematic Diagram ...

Page 44: ...10 10 L3250SCL1 LCD Main 1 2 Schematic Diagram LCD MAIN 1 2 Ref No Position IC333 B 3 Q301 D 1 CN102B A 4 CN104 A 3 CN105 A 2 CN111 A 2 CN211 F 4 CN311 F 4 CONNECTORS IC TRANSISTOR ...

Page 45: ...hematic Diagram L3250SCL2 LCD MAIN 2 2 Ref No Position IC151 I 3 IC171 J 3 IC191 H 2 IC192 H 1 IC193 H 2 IC201 J 1 Q131 I 4 Q201 J 1 CN101B L 4 CN103B G 2 CN112 L 4 CN312 L 3 CN1751 H 4 CN1761 G 4 ICS CONNECTORS TRANSISTORS ...

Page 46: ...ther IC461 or IC462 is used for DVD MAIN CBA UNIT DVD MAIN 1 3 Ref No Position IC201 C 1 IC202 D 4 IC301 D 3 IC461 F 1 IC462 E 1 Q251 C 2 Q252 B 2 Q253 C 2 Q254 B 2 Q801 B 1 Q802 B 1 Q804 B 1 CN201 A 3 CN301 A 2 CN401 F 3 CN801 A 1 ICS TRANSISTORS CONNECTORS ...

Page 47: ...10 13 DVD Main 2 3 Schematic Diagram L3250SCD2 ...

Page 48: ... 0 96 128 1 7 1 7 PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP 129 2 3 2 3 161 3 4 3 4 193 225 3 4 3 4 130 2 3 2 3 162 0 0 194 226 131 2 3 2 3 163 1 8 1 8 195 227 132 2 4 2 3 164 0 0 196 3 4 3 4 228 133 2 4 2 4 165 1 7 1 8 197 229 0 0 134 2 4 2 4 166 1 7 1 7 198 230 135 2 3 2 3 167 3 4 3 4 199 231 3 4 3 4 136 2 3 2 3 168 0 0 200 232 1 3 1 6 137 2 3 2 3 169 1 8 1 8 201 0 0 23...

Page 49: ...10 15 DVD Main 3 3 Schematic Diagram L3250SCD3 DVD MAIN 3 3 Ref No Position IC103 N 3 IC501 N 4 IC502 P 4 IC601 P 1 CN601 R 1 ICS CONNECTOR ...

Page 50: ...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 supply circuit an isolatio...

Page 51: ... present in the power supply circuit 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 isolation transformer is required MAIN CBA Ref No Position Ref No Position IC31 E 4 Q601 B 5 IC531 D 4 Q603 B 5 IC533 D 3 Q633 A 5 IC601 A 5 Q701 D 2 IC671 D 4 Q702 D 2 IC672 D 4 Q703 D 2 IC781 E 2 Q...

Page 52: ... BL3100F01022 1 INVERTER Ref No Position IC401 D 1 IC402 E 1 Q403 C 1 Q411 D 1 Q412 D 2 Q421 D 1 Q426 D 1 Q433 A 1 Q451 E 1 Q452 E 1 Q454 E 1 Q455 E 1 Q461 A 1 Q462 A 1 Q491 E 2 Q492 E 2 CLN411 C 1 CN450 C 2 CN460 A 2 CN490 D 2 ICS TRANSISTORS CONNECTORS ...

Page 53: ...10 19 Function CBA Top View Function CBA Bottom View BL3100F01022 2 BL3100F01022 2 BL3150F01011 3 IR Sensor CBA Top Bottom View ...

Page 54: ...hown in Schematic Diagram 1DIV 1 0V 20ns R365 WF2 R202 WF3 1DIV 200mV 20 s Pin 11 of CN103A WF7 1DIV 200mV 20 s Pin 9 of CN103A WF8 1DIV 100mV 400 s Pin 14 of IC801 WF6 1DIV 1 0V 10 s R201 WF4 1DIV 200mV 20 s Pin 7 of CN103A WF9 1DIV 200mV 20 s Q704 Emitter WF10 1DIV 200mV 20 s Q705 Emitter WF11 1DIV 200mV 20 s Q706 Emitter WF12 CLKH CLKV POL LP STH1 AUDIO CVBS S VIDEO Y S VIDEO C VIDEO Y VIDEO Pb...

Page 55: ...ODE WF13 WF14 Pin 11 of CN1701 Pin 1 of CN1701 Pin 6 of CN1701 Pin 8 of CN1701 Pin 3 of CN1701 20 20µs 0 1V 0 1V DVD Y DVD Y DVD C DVD C 0 1V 0 1V 20 20µs DVD AUDIO L DVD AUDIO L 1V 1V 0 5ms 0 5ms DVD AUDIO R DVD AUDIO R 1V 1V 0 5ms 0 5ms SPDIF SPDIF 1V 1V 0 1 0 1µs WF13 WF14 WF15 WF16 WF17 ...

Page 56: ...U GND NU AL 3 3V A DVD MAIN POWER FSC 23 19 21 15 17 22 20 18 16 CN103A 14 10 12 6 8 13 11 9 7 5 1 3 4 2 VIDEO Pb Cb S VIDEO C GND GND S VIDEO Y CVBS GND GND GND VIDEO Y VIDEO Pr Cr GND GND AL 7V D BUS OPEN PROTECT 3 GND NU GND NU AL 3 3V A DVD MAIN POWER FSC AC601 AC CORD 1 3 2 4 CN104 KEY IN 2 AL 3 3V D KEY IN 1 GND 5 NU 1 3 4 2 CN113 GND SCL SDA BUS OPEN NO CONNECTION CN113 IS USED FOR ADJUSTME...

Page 57: ...ctly to the PCB DRIVE CBA DVD MECHANISM PICK UP UNIT SP 3 SP 4 TRAY IN 5 GND 6 SL 7 SL 8 FS 3 TS 4 GND CD PD 5 GND DVD PD 6 PD MONI 7 DVD LD 8 TS 1 FS 2 GND 11 F 12 VREF 13 E 14 B 15 C 16 GND LD 9 CD LD 10 A 17 D 18 CD DVD 19 P ON 5V 20 DVD C 10 3 GND 9 2 DVD Y 8 1 CN601 CN1701 DVD AUDIO R 15 8 GND 11 4 GND 12 5 DVD AUDIO L 13 6 DVD MUTE 14 7 DVD AUDIO 5V 16 9 DVD AUDIO 5V 17 10 SPDIF 18 11 DISC I...

Page 58: ...L TIMING CHARTS Tray IN TL221 Sled Drive TP303 Disc Drive TP301 Focus Drive TP304 Tracking Drive TP302 0V 3 3V 0V 1 65V 0V 0V 0V 1 65V 1 65V 1 65V Tray Close Play Play Tray Open Tray Close Disc Rotation Play Disc Stop Tray Open ...

Page 59: ...F BA1F4M T 2SA1175 F 2SC2120 O TE2 F T 2SD400 F 2SC2120 Y TPE2 Note A Anode K Cathode E Emitter C Collector B Base R Reference S Source G Gate D Drain KIA7805API 1 IN 2 GND 3 OUT 1 2 3 16 9 8 TC4053BF EL N TC4052BF EL 1 32 17 16 AN5832SA E1 1 28 15 14 BD9766FV E2 1 14 8 7 BA10324AF E2 1 1 2 NJM78L05 3 PS2501 1W 1 2 4 3 1 A 2 K 3 E 4 C 2SA1576A T106R 2SC4081 T106 Q C B E LEAD IDENTIFICATIONS ...

Page 60: ...L3 A4 A9 A10 L21 L21 L21 1B1 L4 L9 B21 B3 B21 B21 B4 B30 L22 L22 L7 L6 L7 B12 B25 B24 A8 L23 L14 L23 L23 L14 B27 B32 B31 B28 A14 A15 L2 L1 L21 L3 B17 CL1761 CL1701 B33 B26 B34 L21 SP801 SP802 CLN801 CLN802 See Electrical Parts List for parts with this mark Main CBA AC601 Inverter CBA LCD Main CBA Liquid Crystal Panel Unit Function CBA IR Sensor CBA DVD Main CBA Unit ...

Page 61: ...15 2 L3250PEX Packing S1 FRONT S2 S5 S4 Tape Tape Packing Tape Packing Tape Packing Tape S3 S8 S3 X1 X4 X3 Some Ref Numbers are not in sequence X2 ...

Page 62: ...LT L3150UA 1EM420406A B30 LASER CAUTION LABEL L3150UA B31 BASE HOLDER L L3150UA 1EM421403 B32 BASE HOLDER R L3150UA 1EM421404 B33 LOADER EARTH PLATE L3150UA 1EM421402 B34 CLOTH 10X150XT1 0 1EM421092 CL1651 14P WIRE ASSEMBLY WX1L3150 005 WX1L3150 005 CL1701 11P FFC CABLE WX1L3250 004 WX1L3250 004 CL1761 25P FFC CABLE WX1L3250 005 WX1L3250 005 CLN801 SPEAKER WIRE ASSEMBLY WX1L3100 001 WX1L3100 001 C...

Page 63: ...YTIC CAP 22µF 50V M H7 CE1JMAVSL220 C502 CHIP CERAMIC CAP 1608 B K 0 01µF 50V CHD1JK30B103 C503 ELECTROLYTIC CAP 220µF 16V M CE1CMASDL221 C504 ELECTROLYTIC CAP 100µF 10V M CE1AMASDL101 C505 CHIP CERAMIC CAP 1608 B K 0 01µF 50V CHD1JK30B103 C506 CHIP CERAMIC CAP 1608 B K 0 01µF 50V CHD1JK30B103 C507 CHIP CERAMIC CAP 1608 B K 0 01µF 50V CHD1JK30B103 C508 CHIP CERAMIC CAP 1608 B K 0 01µF 50V CHD1JK30...

Page 64: ...CE1JMAVSL2R2 C859 ELECTROLYTIC CAP 4 7µF 50V M H7 CE1JMAVSL4R7 C860 ELECTROLYTIC CAP 10µF 50V M H7 CE1JMAVSL100 C861 ELECTROLYTIC CAP 100µF 10V M H7 CE1AMAVSL101 C862 CHIP CERAMIC CAP 1608 B K 0 01µF 50V CHD1JK30B103 C863 ELECTROLYTIC CAP 2 2µF 50V M H7 CE1JMAVSL2R2 Ref No Description Part No C864 CHIP CERAMIC CAP 1608 B K 0 022µF 50V CHD1JK30B223 C865 CHIP CERAMIC CAP 1608 B K 0 1µF 50V CHD1JK30B...

Page 65: ...QSBLA0ZJR034 IC601 PHOTOCOUPLER PS2501 1W QPEW0PS25011 IC671 VOLTAGE REGULATOR KIA7805API NSBBA0SJY011 IC672 VOLTAGE REGULATOR KIA7805API NSBBA0SJY011 Ref No Description Part No IC781 IC TC4053BF EL N QSZBA0TTS131 IC801 IC AN17812A QSZBA0SMS017 IC851 IC MTS DECORDER AN5832SA E1 QSZBA0TMS003 IC852 IC SWITCHING TC4052BF EL QSZBA0TTS096 IC1652 VOLTAGE REGULATOR PQ070XF01SZH QSZBA0SSH054 COILS L11 IND...

Page 66: ... 1 4W J 1 2k Ω RCX4JATZ0122 Ref No Description Part No R647 CHIP RES 1608 1 10W F 1 8k Ω RRXAFR5H1801 R648 CHIP RES 1608 1 10W F 750 Ω RRXAFR5H7500 R650 CHIP RES 1608 1 10W F 4 7k Ω RRXAFR5H0472 R652 CHIP RES 1608 1 10W F 2 7k Ω RRXAFR5H2701 R653 CHIP RES 1608 1 10W F 2 7k Ω RRXAFR5H2701 R654 CHIP RES 100PPM 1 10W F 820 Ω RRXAFR5H8200 R655 CARBON RES 1 4W J 10k Ω RCX4JATZ0103 R656 CHIP RES 1608 1 ...

Page 67: ...656 CHIP RES 1608 1 10W J 22 Ω RRXAJR5Z0220 R1657 CARBON RES 1 4W J 390 Ω RCX4JATZ0391 R1659 CARBON RES 1 4W J 10 Ω RCX4JATZ0100 Ref No Description Part No R1662 CARBON RES 1 4W J 1 5 Ω RCX4JATZ01R5 R1663 CARBON RES 1 4W J 1 5 Ω RCX4JATZ01R5 R1664 CHIP RES 1608 1 10W F 18k Ω RRXAFR5H1802 R1665 CHIP RES 1608 1 10W F 56k Ω RRXAFR5H5602 R1666 PCB JUMPER D0 6 P5 0 JW5 0T R1667 CHIP RES 1608 1 10W J 47...

Page 68: ...ROLYTIC CAP 47µF 35V M CA1G470SP096 C428 CHIP CERAMIC CAP 1608 B K 0 1µF 50V CHD1JK30B104 C429 CHIP CERAMIC CAP B K 4 7µF 25V CHF1EK30B475 C430 CHIP CERAMIC CAP B K 4 7µF 25V CHF1EK30B475 C431 CHIP CERAMIC CAP B K 4 7µF 25V CHF1EK30B475 C432 CHIP CERAMIC CAP B K 4 7µF 25V CHF1EK30B475 C433 CHIP CERAMIC CAP B K 4 7µF 25V CHF1EK30B475 C434 CHIP CERAMIC CAP B K 4 7µF 25V CHF1EK30B475 C440 CHIP CERAMI...

Page 69: ... RES 1608 1 10W J 220 Ω RRXAJR5Z0221 R426 CHIP RES 1608 1 10W J 220 Ω RRXAJR5Z0221 R427 CHIP RES 1608 1 10W J 15k Ω RRXAJR5Z0153 Ref No Description Part No R430 CHIP RES 1608 1 10W 0 Ω RRXAZR5Z0000 R432 CHIP RES 1608 1 10W J 10k Ω RRXAJR5Z0103 R435 PCB JUMPER D0 6 P5 0 JW5 0T R437 CHIP RES 1608 1 10W J 10k Ω RRXAJR5Z0103 R438 CHIP RES 1608 1 10W 0 Ω RRXAZR5Z0000 R440 CHIP RES 1608 1 10W 0 Ω RRXAZR...

Page 70: ...RXAJR5Z0272 R75 CHIP RES 1608 1 10W J 4 7k Ω RRXAJR5Z0472 SWITCHES SW61 TACT SWITCH SKQSAB SST0101AL038 SW62 TACT SWITCH SKQSAB SST0101AL038 SW63 TACT SWITCH SKQSAB SST0101AL038 SW64 TACT SWITCH SKQSAB SST0101AL038 SW65 TACT SWITCH SKQSAB SST0101AL038 SW67 TACT SWITCH SKQSAB SST0101AL038 SW71 TACT SWITCH SKQSAB SST0101AL038 SW74 TACT SWITCH SKQSAB SST0101AL038 SW75 TACT SWITCH SKQSAB SST0101AL038 ...

Page 71: ...6620LDF L3250UA 2005 06 30 ...

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