Sylvania LD370SS8 M Service Manual Download

Page: 67 / 86

WAVEFORMS < LCD TV SECTION >

A74F0WF

11-1

Input:

NTSC Color Bar Signal (with 1kHz Audio Signal)

WF1 ~ WF7 =

Waveforms to be observed at
Waveform check points.
(Shown in Schematic Diagram.)

CVBS

0.2V

WF1

Pin 1 of CN7501

S-VIDEO-Y

0.2V

WF2

Pin 9 of CN7501

S-VIDEO-C

0.2V

WF3

Pin 8 of CN7501

AUDIO

0.5ms

WF7

Pin 14 of CN7501

VIDEO-Pr

0.2V

Pin 6 of CN7501

WF6

VIDEO-Pb

0.2V

Pin 5 of CN7501

WF5

VIDEO-Y

0.2V

Pin 3 of CN7501

WF4

AvigA

profesionales

electrónica

Summary of Contents for LD370SS8 M

Page 1: ...SERVICE MANUAL 37 LCD TV DVD LD370SS8 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 2: ...STIVE 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 precautions thoroughly so that neither h...

Page 3: ...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 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 4: ...0 76 0 76 0 Description Condition Unit Nominal Limit 1 Native Pixel Resolusion Horizontal Vertical pixels pixels 1366 768 2 Brightness w filter cd m2 320 3 Viewing Angle Horizontal Vertical 85 to 85 85 to 85 Description Condition Unit Nominal Limit 1 Over Scan Horizontal Vertical 6 6 6 5 6 5 2 Color Temperature x y K 12000 0 272 0 278 10 10 3 Resolution composite video Horizontal Vertical line lin...

Page 5: ...e In no case should a unit fail to meet limit specifications Description Condition Unit Nominal Limit 1 Horizontal Resolution TDV 540 TIT 2 CHP 16 Line 350 330 2 Video S N TDV 540 TIT 2 CHP 6 dB 60 55 3 Audio Distortion LPCM 48 kHz W LPF PTD 1 NOR TIT 1 CHP 1 L R 0 03 0 07 4 Audio freq response LPCM 48 kHz PTD 1 NOR TIT 1 CHP 5 10 L 20 Hz R 20 Hz L 20 kHz R 20 kHz dB 0 4 5 5 Audio S N LPCM 48 kHz ...

Page 6: ...t 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 Laser Beam Radiation Laser Pickup Turntable LASER RADIATION WHEN OPEN DO...

Page 7: ...ctrical 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 megohm an abnormality exists t...

Page 8: ...ower 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 antenna wiring Always inspect in...

Page 9: ...ors for transistors E When replacing AC primary side components transformers power cord etc wrap ends of wires securely about the terminals before soldering F Observe that the wires do not contact heat producing parts heat sinks oxide metal film resistors fusible resistors etc G Check that replaced wires do not contact sharp edged or pointed parts H When a power cord has been replaced check that 5...

Page 10: ...minals 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 table Table 2 Leakage current...

Page 11: ...oldering 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 up Then remove glue will be melt...

Page 12: ...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 Fig S 1 6 4 Release the flat pac...

Page 13: ...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 easily 2 The mark on the flat pa...

Page 14: ...city 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 clothing Incorrect CBA Ground...

Page 15: ...ar Cabinet 6 DVD Cover 10 Chassis Bracket 17 Inverter CBA 23 Speaker s 13 Shield Box 18 Panel Holder 24 Front Cabinet 14 Digital Main CBA Unit 20 LCD Module Assembly 12 Jack Holder D 7 DVD Main CBA Unit 8 DVD Mechanism 9 DVD Holder 9 DVD Holder D2 4 S 10 10 Chassis Bracket D3 16 S 11 11 Power Supply CBA D3 D6 4 S 12 CN101B CN501 CN801 CN802 CN3010 CN3014 CN3017 12 Jack Holder D D3 S 13 2 S 14 2 S ...

Page 16: ... 2 Reassembly Notes of New DVD Mechanism a To remove the Chassis Cover remove two screws A as shown in Fig D2 b To avoid damage of the pickup unit laser diode confirm that the three short lands either of two places are shorted out by soldering between them as shown in View A in Fig D2 c Connect the FFC cables of the new DVD Mechanism to the three connectors CN201 CN301 CN801 on the DVD Main CBA Un...

Page 17: ...ar Cabinet 3 Stand Cover 2 Stand Hinge 1 Stand Base Plate S 2 S 2 S 2 S 2 S 3 S 4 S 5 S 4 S 5 S 4 S 4 S 1 S 4 S 4 5 Function CBA 6 DVD Cover S 6 S 7 Fig D1 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 18: ...in CBA Unit A Chassis Cover Pin A A Hole A Main Chassis Remove two screws A then short the three short lands by soldering as shown in View for A Screws A View for A Either of two places FPC Cable Fig D2 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 19: ...hield Box 14 Digital Main CBA Unit 10 Chassis Bracket N 1 S 12 S 12 S 11 S 11 S 11 11 Power Supply CBA S 12 Shield Plate S 13 S 14 S 15 Earth Plate S 11 S 8 S 16 S 16 Fig D3 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 20: ...6 A74G0DC 17 Inverter CBA 15 Jack Holder A S 17 S 21 S 14 S 18 16 Jack CBA 18 Panel Holder S 19 S 20 S 19 S 20 S 19 S 19 S 20 S 21 S 20 Fig D4 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 21: ...CD Module Assembly 22 IR Sensor CBA 21 LED CBA 23 Speaker 23 Speaker 24 Front Cabinet S 26 S 23 S 25 S 26 S 24 S 22 19 T CON CBA S 23 S 23 S 23 S 23 Fig D5 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 22: ...LED CBA CN802 CN3002 CN3023 CN3018 To Speaker CN3017 CN303 CN001 T CON CBA CN9002 CN9001 CN9003 To LCD Module Assembly CN9005 CN103 CN104 CN601 CN301 CN201 CN801 CN401 DVD Mechanism DVD Main CBA Unit CN202 CN201 Inverter CBA CN552 CN501 CN1300 CN1250 CN1200 CN1150 CN1100 CN1050 CN1350 CN1400 To LCD Module Assembly AC CORD A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 23: ...TSC Pattern Generator Color Bar W White Window Red Color Dot Pattern Gray Scale Monoscope Multi Burst 3 Remote control unit 4 Color Analyzer How to make the Service remote control unit Cut A portion of the attached remote control unit as shown in Fig 1 How to set up the service mode Service mode 1 Use the service remote control unit 2 Turn the power on 3 Press the service button on the service rem...

Page 24: ... the LCD Panel surface after zero point calibration as shown above Note The optical receptor must be set perpendicularly to the LCD Panel surface 3 Enter the Service mode 4 Press 3 button on the remote control unit 5 Press CH o p buttons on the remote control unit so that the color analyzer value becomes minimum 7 button Note When entering this mode the default setting is White mode Purity Check M...

Page 25: ...e 4 Enter the Service mode Press VOL n button on the remote control unit and select C D mode 5 CUTOFF Press 3 button to select COB for Blue Cutoff adjustment Press 1 button to select COR for Red Cutoff adjustment DRIVE Press 6 button to select DB for Blue Drive adjustment Press 4 button to select DR for Red Drive adjustment 6 In each color mode press CH o p buttons to adjust the values of color 7 ...

Page 26: ...wer off LCD TV Section 1 Turn the power on 2 To enter the service mode press the service button on the service remote control unit Refer to page 6 1 To cancel the service mode press POWER button on the remote control unit 3 Press INFO button on the remote control unit to initialize the LCD television 4 INITIALIZED will appear in the upper right of the screen INITIALIZED color will change to green ...

Page 27: ...9 Press 1 2 3 4 and INFO 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 button to go to TV mode or press POWER button to turn the power off F W Version Up...

Page 28: ...7 IC3026 MTS SAP AUDIO SIGNAL PROCESS SCL SDA 27 24 IC3017 MEMORY SCL2 SDA2 6 5 WP 7 IC3014 DIGITAL SIGNAL PROCESS SCL2 SDA2 37 38 IC3023 HDMI INTERFACE SCL2 SDA2 28 27 IC3004 GAMMA CORRECTION SCL2 SDA2 44 43 DRIVE BUFFER BUFFER AUDIO MUTE AUDIO MUTE AMP MUTE AMP STBY V COM TO AUDIO 2 BLOCK DIAGRAM TO DVD DIGITAL SIGNAL PROCESS BLOCK DIAGRAM DVD SECTION CN601 C24 AMP MUTE B24 BACKLIGHT PWM AMP STB...

Page 29: ...IGNAL PROCESS 5 6 SDA SCL BUFFER Q3006 BUFFER Q3005 IIC I F AUDIO SIGNAL 7 9 4 6 1 3 10 12 16 15 HDMI DATA HDMI IN2 HDMI CLOCK DATA 0 DATA 0 DATA 1 DATA 1 DATA 2 DATA 2 CLOCK CLOCK 43 50 55 62 76 83 JK7702 JK7706 VIDEO IN1 S VIDEO IN1 S VIDEO IN2 VIDEO Y IN1 VIDEO Pb IN1 VIDEO Pr IN1 VIDEO Y IN2 VIDEO Pb IN2 VIDEO Pr IN2 VIDEO IN2 3 4 2 1 Y C JK7711 JK7701 JK7705 3 4 2 1 Y C JK7713 56 28 24 26 18 ...

Page 30: ... 7 IC3021 AUDIO A D CONVERTER A D CONVERTER IC3028 INPUT SELECT 1 2 11 10 15 12 IC3031 OP AMP IC3026 MTS SAP AUDIO SIGNAL PROCESS L CH TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM R CH MTS SAP AUDIO SIGNAL PROCESS 30 29 21 3 SAW FILTER JK7706 HDMI AUDIO L IN HDMI AUDIO R IN JK3003 PC AUDIO IN TO DVD DIGITAL SIGNAL PROCESS BLOCK DIAGRAM DVD SECTION CN601 IC3027 INPUT SELECT SW CTL 12 15 14 11 13 10 9 JK...

Page 31: ...3029 MUTE ON Q3030 MUTE ON AUDIO MUTE AMP STBY AMP MUTE TO SYSTEM CONTROL BLOCK DIAGRAM Q3031 DRIVE IC3020 OP AMP IC802 TONE CONTROL 3 5 7 1 AUDIO L OUT AUDIO L TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM AUDIO R AUDIO R OUT JK3003 Q3032 BUFFER Q3033 BUFFER Q3027 BUFFER Q3028 BUFFER 23 2 15 10 IC801 AUDIO POWER AMP 44 1 35 36 32 10 14 31 13 9 PWM PWM TONE CONTROL TONE CONTROL PWM SHUT DOWN MUTE CONTRO...

Page 32: ... 15 IX TX2 16 IX TX3 9 IX TX3 10 IX CLK 12 IX CLK 13 IX V COM 26 A15 AF9 AD10 AF11 AD1 AE1 AD20 AD2 AD3 AE2 AF2 A25 AE3 A21 A22 A16 C5 A13 A9 C11 B16 A3 A2 B3 B1 AD6 9 AD11 14 AE6 9 AE11 14 AF5 8 AF12 15 D3 E2 E3 F1 F2 G1 H2 H3 29 32 41 44 T24 26 U24 U26 V24 26 W24 W26 Y24 26 H24 H25 J26 K24 26 L25 L26 M24 26 N24 P24 26 R24 B1 B9 C2 C8 D1 D3 D7 D9 F1 F9 G2 G8 H1 H3 H7 H9 M2 M3 M7 M8 N2 N3 N7 N8 P2...

Page 33: ...T1150 3 1 4 7 8 6 5 2 T1200 T501 TO POWER PUPPLY BLOCK DIAGRAM ACL HOT GND 3 1 4 7 8 6 5 2 T1250 3 1 4 7 8 6 5 2 T1300 3 1 4 7 8 6 5 2 T1350 3 1 4 7 8 6 5 2 T1400 3 1 4 7 8 6 5 2 DRIVE DRIVE DRIVE DRIVE INVERTER CONTROL 13 14 16 17 5 6 7 8 2 3 4 5 23 2 1 4 3 2 D557 Q551 Q552 IC509 1 4 3 2 IC510 Q501 Q502 SHUNT REG SW 2 5 3 7 1 POWER CONTROL 13 11 19 DRIVE LOGIC LOGIC DRIVE DRIVE BACK LIGHT BACK LI...

Page 34: ...V 1 2V 6 8 EV 3 3V 6 8 EV 3 3V DVD ON 3 3V DVD ON 5V EV 10V 9 DVD ON 3 3V 9 10 DVD ON 5V 10 11 12 EV 9V 11 12 11 12 EV 10V 11 12 Q1604 Q1601 Q1602 P ON H TO SYSTEM CONTROL BLOCK DIAGRAM SHUNT REG IC1603 3 3V REG Q1603 SHUNT REG IC1602 3 3V REG DVD MAIN POWER TO SYSTEM CONTROL BLOCK DIAGRAM CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F501 ...

Page 35: ...25 24 27 26 121 SP ROT 124 FD OFST 123 TD OFST RESET IC461 2 1 3 3V TO DVD DIGITAL SIGNAL PROCESS BLOCK DIAGRAM DRIVE CBA DVD MAIN CBA UNIT CN401 DVD DISC OUT 3 LED CONT 2 122 SL ADS DISC IN 1 2 6 7 5 3 3 DVD DISC IN 3 2 DVD DISC OUT 2 CN801 CN5001 DISC OUT SENSOR CBA 3 3V 1 LED POWER 1 Q804 63 DVD DISC IN DVD DISC OUT TO SYSTEM CONTROL BLOCK DIAGRAM LCD TV SECTION CN202 53 DVD SCLK 54 DVD CS 49 D...

Page 36: ...I F SDRAM ECC UMAC 100 115 116 113 114 106 104 105 103 62 DEBUG BCU INST CACHE DATA CACHE D A D A 131 139 Y Pb 152 SDRAM ADDRESS 0 10 IC103 FLASH ROM FLASH ROM 29 36 38 45 FDQ 0 15 1 9 16 25 48 FADR 0 19 SDRAM DATA 0 15 PICK UP UNIT TO SYSTEM CONTROL SERVO BLOCK DIAGRAM DVD MAIN CBA UNIT TO VIDEO BLOCK DIAGRAM TO AUDIO 1 BLOCK DIAGRAM IC503 SDRAM SDRAM DATA 0 15 SDRAM ADDRESS 0 10 194 209 2 13 42 ...

Page 37: ...the parts list Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock fire or other hazards Notes 1 Do not use the part number shown on these drawings for ordering The correct part number is shown in the parts list and may be slight...

Page 38: ...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 0 TV mode DVD mode TV Section Unit Volts 5 0 The same voltage for both TV DVD modes Unit Volts Indicates that the voltage is not consistent here ...

Page 39: ... hot circuit is measured using hot GND as a common terminal CN301 1 0 2 12 3 3 12 3 4 3 4 5 0 6 5 1 7 5 1 8 9 2 9 0 10 5 2 11 5 2 12 5 2 13 0 14 3 3 15 0 16 2 8 17 0 18 15 7 19 0 20 33 1 21 0 22 3 0 23 1 3 VOLTAGE CHART Pin No Voltage A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 40: ...parts in hot circuit is measured using hot GND as a common terminal CN302 1 2 3 1 3 0 4 3 4 5 0 6 3 4 7 0 8 3 4 9 0 1 10 3 3 11 12 3 4 13 0 14 6 3 15 0 16 6 3 17 0 18 3 3 19 0 9 20 0 2 21 22 0 23 0 VOLTAGE CHART Pin No Voltage A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 41: ... parts in hot circuit is measured using hot GND as a common terminal CN303 1 0 2 3 0 3 0 4 0 3 5 0 2 6 3 2 7 0 3 8 0 9 0 10 0 11 0 12 0 13 0 14 0 15 0 16 0 17 0 18 0 19 3 4 20 2 6 21 2 6 22 0 23 0 VOLTAGE CHART Pin No Voltage A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 42: ...onents 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 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 CN552 1 0 2 3 3 3 0 1 4 3 2 5 3 0 6 3 3 7 3 4 8 ...

Page 43: ...D TV Section CN7501 1 2 6 2 0 3 2 3 4 0 5 2 3 6 0 7 0 8 0 9 0 10 0 11 5 0 12 5 0 13 0 14 2 5 15 2 5 16 0 17 2 5 18 2 5 19 0 20 21 0 22 5 0 23 0 24 9 1 VOLTAGE CHART Pin No Voltage A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 44: ...10 8 A74G0SCF Function Schematic Diagram LCD TV Section CN102 1 2 3 3 4 4 3 4 5 6 0 VOLTAGE CHART Pin No Voltage A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 45: ...10 9 A74G0SCIR IR Sensor LED Schematic Diagram LCD TV Section A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 46: ...10 10 A74G0SCD1 Digital Main 1 10 Schematic Diagram LCD TV Section A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 47: ...tion 1 NOTE The order of pins shown in this diagram is different from that of actual IC3015 IC3015 is divided into four and shown as IC3015 1 4 IC3015 4 4 in this Digital Main Schematic Diagram Section A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 48: ...SCD3 1 NOTE The order of pins shown in this diagram is different from that of actual IC3015 IC3015 is divided into four and shown as IC3015 1 4 IC3015 4 4 in this Digital Main Schematic Diagram Section A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 49: ...SCD4 1 NOTE The order of pins shown in this diagram is different from that of actual IC3015 IC3015 is divided into four and shown as IC3015 1 4 IC3015 4 4 in this Digital Main Schematic Diagram Section A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 50: ...SCD5 1 NOTE The order of pins shown in this diagram is different from that of actual IC3015 IC3015 is divided into four and shown as IC3015 1 4 IC3015 4 4 in this Digital Main Schematic Diagram Section A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 51: ...10 15 Digital Main 6 10 Schematic Diagram LCD TV Section A74G0SCD6 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 52: ...10 16 Digital Main 7 10 Schematic Diagram LCD TV Section A74G0SCD7 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 53: ...10 17 Digital Main 8 10 Schematic Diagram LCD TV Section A74G0SCD8 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 54: ...10 18 Digital Main 9 10 Schematic Diagram LCD TV Section A74G0SCD9 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 55: ...10 19 Digital Main 10 10 Schematic Diagram LCD TV Section A74G0SCD10 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 56: ...10 20 A74G0SCDV1 DVD Main 1 3 Schematic Diagram DVD Section 1 NOTE Either IC461 or IC462 is used for DVD MAIN CBA UNIT A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 57: ...10 21 A74G0SCDV2 DVD Main 2 3 Schematic Diagram DVD Section A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 58: ...10 22 A74G0SCDV3 DVD Main 3 3 Schematic Diagram DVD Section A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 59: ...inal Because a hot chassis ground is 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 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 60: ...arts 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 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 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 61: ...pply 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 Because a hot chassis ground is present in the power supply circuit an isolation transformer must be used Also in order to have the ability to increas...

Page 62: ...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 Because a hot chassis ground is present in the power supply circuit an isolation transformer must be used Also in order to have the ability to incre...

Page 63: ...10 27 Jack CBA Top View BA71F0F01022 4 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 64: ... WF2 PIN 3 OF CN7501 WF4 PIN1 OF CN7501 WF1 PIN 6 OF CN7501 WF6 PIN 8 OF CN7501 WF3 PIN 5 OF CN7501 WF5 PIN 14 OF CN7501 WF7 Jack CBA Bottom View BA71F0F01022 4 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 65: ...10 29 Function CBA Top View Function CBA Bottom View BA71F0F01022 2 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 66: ...10 30 IR Sensor CBA Top View IR Sensor CBA Bottom View BA71F0F01022 3 LED CBA Top Bottom View BA71F0F01022 5 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 67: ...wn in Schematic Diagram CVBS 0 2V 20µs WF1 Pin 1 of CN7501 S VIDEO Y 0 2V WF2 Pin 9 of CN7501 20µs S VIDEO C 0 2V WF3 Pin 8 of CN7501 20µs AUDIO 1V 0 5ms WF7 Pin 14 of CN7501 VIDEO Pr 0 2V 20µs Pin 6 of CN7501 WF6 VIDEO Pb 0 2V 20µs Pin 5 of CN7501 WF5 VIDEO Y 0 2V 20µs Pin 3 of CN7501 WF4 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 68: ... at Waveform check points Shown in Schematic Diagram WF8 Pin 5 of CN201 WF9 Pin 3 of CN201 WF11 Pin 9 of CN201 Pin 13 of CN201 WF13 Pin 11 of CN201 WF12 20µs 0 5V DVD Y DVD Pb 0 5V 20µs WF10 Pin 1 of CN201 DVD Pr 0 5V 20µs DVD AUDIO L 0 5V 0 5ms DVD AUDIO R 0 5V 0 5ms DVD SPDIF 1V 0 1µs A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 69: ... 4 2 CLN802 2 CN802 1 SP P L SP N L CLN801 2 CN801 1 SP P R SP N R SP802 SPEAKER L CH SP801 SPEAKER R CH JACK CBA COMPONENT Y IN2 COMPONENT Pb IN2 COMPONENT Pr IN2 COMPONENT Y IN1 COMPONENT Pb IN1 COMPONENT Pr IN1 COMPONENT AUDIO L IN1 COMPONENT AUDIO R IN1 COMPONENT AUDIO L IN2 COMPONENT AUDIO R IN2 VIDEO IN1 AUDIO L IN1 AUDIO R IN1 VIDEO IN2 AUDIO L IN2 AUDIO R IN2 PC AUDIO IN S VIDEO IN2 S VIDE...

Page 70: ...ND 3 SP 2 SP 1 FS 3 TS 4 GND CD PD 5 GND DVD PD 6 PD MONI 7 DVD LD 8 TS 1 FS 2 GND 11 NU 12 VREF 13 NU 14 B 15 C 16 GND LD 9 CD LD 10 A 17 D 18 CD DVD 19 DVD ON 5V 20 GND 10 GND 9 DVD Y 8 CN601 DVD AUDIO R 14 GND 11 DVD Pb 6 GND 5 DVD Pr 4 GND 7 DVD AUDIO L 12 DVD AUDIO MUTE 13 GND 15 DVD SPDIF 16 DISC IN CN5001 DISC OUT LED POWER 1 1 DVD DISC OUT 2 2 GND 4 4 DVD DISC IN 3 3 SENSOR CBA CN801 CN500...

Page 71: ...21 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 Disc In Disc Rotation Play Disc Stop Disc Out Disc In Play Play Disc Out A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 72: ...199 GR AT P 2SC2120 O Y TE2 F T 2SD400 F Note A Anode K Cathode E Emitter C Collector B Base R Reference S Source G Gate D Drain LV1115M TLE E OZ9966SN B1 0 TR SSO UCC28600DR R2A11011FP LTV817MBF LTV817MCF NP22N055SLE E1 AZ BD5422EFS E2 LD1117V BA10324AF E2 2SA1887 F KTC2026 Y P 2SK3568 Q 2SK3561 Q R A K KIA431 AT P LEAD IDENTIFICATIONS A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a...

Page 73: ...13 L16 L7 L9 L1 B26 IR Sensor CBA LED CBA Function CBA CLN802 CLN801 SP801 SP802 Power Supply CBA DVD Main CBA Unit A3 A11 A19 L4 L4 L4 A20 L4 L19 L18 L4 A13 A7 L4 B30 L9 L16 B6 B28 L13 L13 B22 B11 L11 L3 10 B21 1B1 B24 L11 B36 L11 L11 B4 B32 B32 L11 L20 A12 Jack CBA L9 T CON CBA S5 L13 A12 L3 L1 B20 L1 L1 L1 L1 L15 L9 CL3007 CL7501 CLN101 CLN102 LCD Module Assembly B31 B4 B16 A18 L4 B38 CL201 CL2...

Page 74: ...e Packing Tape Some Ref Numbers are not in sequence FRONT FRONT Packing Tape X4 X9 X3 X2 Tape X1 S9 Packing Tape S4 Packing Tape S3 S6 S13 Packing Tape S5 PP Band Packing Tape S15 A v i g A p r o f e s i o n a l e s e n e l e c t r ó n i c a ...

Page 75: ...9 A71F0UH 1EM424512 B36 CUSHION 80X10XT6 A71F0UH 1EM424511 CL201 WIRE ASSEMBLY 13PIN FFC 13PIN 332MM WX1A74G0 101 CL202 WIRE ASSEMBLY 26PIN FFC 26PIN 237MM WX1A74G0 102 CL3007 WIRE ASSEMBLY 101 30PIN 70MM WX1A71G0 101 CL7501 WIRE ASSEMBLY 102 24PIN 475MM WX1A71G0 102 CLN101 WIRE ASSEMBLY 003 8PIN 510MM AWG26 WX1A74G0 003 CLN102 WIRE ASSEMBLY 002 6PIN 1160MM AWG2 WX1A71G0 002 CLN801 WIRE ASSEMBLY 0...

Page 76: ...µF 50V M CE1JMASDL100 C652 ELECTROLYTIC CAP 100µF 10V M CE1AMASDL101 C653 ELECTROLYTIC CAP 100µF 10V M CE1AMASDL101 C654 ELECTROLYTIC CAP 4700µF 10V M P 7 5 CE1AMZNDL472 C655 ELECTROLYTIC CAP 1000µF 10V M CE1AMASDL102 C656 CAP ELE STD 85 4700µF 6 3V SL CE0KMZNDL472 C657 CHIP CERAMIC CAP 1608 F Z 0 1µF 50V CHD1JZ30F104 C658 CHIP CERAMIC CAP 1608 F Z 0 1µF 50V CHD1JZ30F104 C659 CHIP CERAMIC CAP 1608...

Page 77: ...ITCHING DIODE 1SS133 T 77 QDTZ001SS133 D643 ZENER DIODE MTZJT 7712B QDTB00MTZJ12 D644 DIODE 1ZC43 Q QDLZ001ZC43Q D646 ZENER DIODE MTZJT 7718B QDTB00MTZJ18 Ref No Description Part No D647 SCHOTTKY BARRIER DIODE SB240 B P NDQZ000SB240 D649 ZENER DIODE MTZJT 7733B QDTB00MTZJ33 D650 ZENER DIODE MTZJT 776 2B QDTB0MTZJ6R2 D651 DIODE FR104 B NDLZ000FR104 D652 PCB JUMPER D0 6 P5 0 JW5 0T D654 SCHOTTKY BAR...

Page 78: ...RES 1 4W J 180 Ω RCX4JATZ0181 R653 CARBON RES 1 4W J 180 Ω RCX4JATZ0181 Ref No Description Part No R654 CARBON RES 1 4W J 4 7k Ω RCX4JATZ0472 R655 CHIP RES 1 10W F 1 0k Ω RRXAFR5H1001 R656 CARBON RES 1 4W J 4 7k Ω RCX4JATZ0472 R657 CHIP RES 1 10W J 10k Ω RRXAJR5Z0103 R658 CHIP RES 1 10W F 620 Ω RRXAFR5H6200 R659 CARBON RES 1 4W J 180 Ω RCX4JATZ0181 R660 CHIP RES 1 10W J 10k Ω RRXAJR5Z0103 R661 CAR...

Page 79: ...lowing CONNECTOR CN102 CONNECTOR PRINT OSU S6B PH K S LF SN J3PHC06JG030 DIODES D104 ZENER DIODE MTZJT 775 6B QDTB0MTZJ5R6 D108 ZENER DIODE MTZJT 775 6B QDTB0MTZJ5R6 Ref No Description Part No RESISTORS R114 CHIP RES 1 10W F 2 7k Ω RRXAFR5H2701 R115 CHIP RES 1 10W F 2 2k Ω RRXAFR5H2201 R116 CHIP RES 1 10W F 1 5k Ω RRXAFR5H1501 R117 CHIP RES 1 10W F 1 5k Ω RRXAFR5H1501 R118 PCB JUMPER D0 6 P5 0 JW5...

Page 80: ...0F474 C7751 CHIP CERAMIC CAP CH J 39pF 50V CHD1JJ3CH390 C7752 CHIP CERAMIC CAP F Z 0 47µF 16V CHD1CZ30F474 C7801 ELECTROLYTIC CAP 100µF 16V M H7 CE1CMAVSL101 C7802 ELECTROLYTIC CAP 100µF 16V M H7 CE1CMAVSL101 CONNECTOR CN7501 FMN CONNECTOR TOP 24P 24FMN BTK A LF SN JCFNG24JG019 DIODE D7001 ZENER DIODE EDZTE61 5 6B QD1B00EDZ5R6 IC IC7001 IC VIDEO ANALOG INTERFACE R2A11011FP QFP 56PIN QSZBA0RHT066 C...

Page 81: ...0V CHD1JK30B104 C1015 ELECTROLYTIC CAP 470µF 35V M CE1GMZNDL471 C1016 CHIP CERAMIC CAP 1608 B K 0 1µF 50V CHD1JK30B104 C1017 CHIP CERAMIC CAP 1608 B K 0 1µF 50V CHD1JK30B104 C1018 CHIP CERAMIC CAP 1608 B K 0 1µF 50V CHD1JK30B104 C1019 CHIP CERAMIC CAP 1608 B K 0 1µF 50V CHD1JK30B104 C1020 CHIP CERAMIC CAP 1608 B K 0 1µF 50V CHD1JK30B104 C1021 CHIP CERAMIC CAP B K 1000pF 50V CHD1JKB0B102 C1023 ELEC...

Page 82: ...LZ000FR154 D510 SCHOTTKY BARRIEA DIODE 11EQS04 QD4Z011EQS04 Ref No Description Part No D511 FAST RECOVERY DIODE FE201 6 QDLZ00FE2016 D512 SWITCHING DIODE 1SS133 T 77 QDTZ001SS133 D513 DIODE 1ZC33 Q QDLZ001ZC33Q D554 SWITCHING DIODE 1SS133 T 77 QDTZ001SS133 D555 DIODE SCHOTTKY YG802C10R QDQZYG802C10 D556 SWITCHING DIODE 1SS133 T 77 QDTZ001SS133 D557 IC SHUNT REGULATOR KIA431 AT P NSZBA0TJY036 D558 ...

Page 83: ...C3199 GR AT P NQS4KTC3199P Ref No Description Part No Q552 TRANSISTOR KTC3199 GR AT P NQS4KTC3199P Q1001 TRANSISTOR KTC3199 GR AT P NQS4KTC3199P Q1002 TRANSISTOR KTC3199 GR AT P NQS4KTC3199P Q1003 TRANSISTOR KTC3199 GR AT P NQS4KTC3199P Q1020 TRANSISTOR KTA1267 GR AT P NQS1KTA1267P Q1100 FET POWER MOS SMD NP22N055SLE E1 AZ QF2ZNP22N055 Q1101 FET POWER MOS SMD NP22N055SLE E1 AZ QF2ZNP22N055 Q1102 F...

Page 84: ...5Z7500 R1163 CARBON RES 1 4W J 5 1k Ω RCX4JATZ0512 Ref No Description Part No R1164 CHIP RES 1 10W J 100k Ω RRXAJR5Z0104 R1165 CHIP RES 1 10W J 20k Ω RRXAJR5Z0203 R1166 CHIP RES RMC1 067500FTP RRXAFR5Z7500 R1167 CARBON RES 1 4W J 5 1k Ω RCX4JATZ0512 R1168 CHIP RES 1 10W F 6 8k Ω RRXAFR5Z6801 R1169 CHIP RES 1 10W F 6 8k Ω RRXAFR5Z6801 R1170 CHIP RES 1 10W J 1M Ω RRXAJR5Z0105 R1171 CHIP RES 1 10W J ...

Page 85: ... CHIP RES 1 10W J 1k Ω RRXAJR5Z0102 R1702 CHIP RES 1 10W J 2 2k Ω RRXAJR5Z0222 R1703 CHIP RES 1 10W J 100 Ω RRXAJR5Z0101 MISCELLANEOUS AC501 AC CORD UL 1855MM BLACK WAC0182LW007 B26 HEAT SINK EAG ASSEMBLY A71G0UH 1EM424262 BC501 BEAD INDUCTOR FBR07HA121TB 00 LLBF00ZTU021 BC502 BEAD INDUCTOR FBR07HA121TB 00 LLBF00ZTU021 BC503 BEAD INDUCTOR FBR07HA121TB 00 LLBF00ZTU021 BC552 BEAD INDUCTOR FBR07HA121...

Page 86: ...o notify any person or organization of such changes with the design is a registered trademark of Funai Electric Co Ltd and may not be used in any way without the express written consent of Funai All other trademarks used herein remain the exclusive property of their respective owners Nothing contained in this manual should be construed as granting by implication or otherwise any license or right t...

Search results

Summary of Contents for LD370SS8 M

Reviews:

Related manuals for LD370SS8 M

Brands by name

Popular brands

Sylvania LD370SS8 M, Service Manual

Search results

Summary of Contents for LD370SS8 M

Reviews:

Related manuals for LD370SS8 M

Brands by name

Popular brands