Hitachi DV-P745U Service Manual Download Page 37 | Manualshive

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IC101 VOLTAGE CHART

PIN.NO

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100

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108

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2.8

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0.1

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1.7

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94

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1.7

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129

2.3

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161

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193

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197

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199

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168

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201

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170

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171

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210

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222

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191

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Summary of Contents for DV-P745U

Page 1: ...VD PLAYER SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT TK No 0401E 2004 Digital Media Division Tokai February DV P745U DV P745U C DO NOT RESELL OR DIVERT IMPROPERLY DO NOT RESELL OR DIVERT IMPROPERLY ...

Page 2: ...o Verify the Firmware Version 3 8 4 DISASSEMBLY 4 1 4 1 CABINET DISASSEMBLY INSTRUCTIONS 4 1 4 1 1 Disassembly Flowchart 4 1 4 1 2 Disassembly Method 4 1 5 EXPLODED VIEW AND PARTS LIST 5 1 5 1 EXPLODED VIEW 5 1 5 2 REPLACEMENT PARTS LIST 5 2 5 2 1 Mechanical Parts List 5 2 5 2 2 Electrical Parts List 5 3 SCHEMATIC AND BLOCK DIAGRAMS CBA S 1 SCHEMATIC DIAGRAMS CBA S AND TEST POINTS 1 2 WIRING DIAGR...

Page 3: ...s at least 30cm away from the pickup lens when the diode 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 Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin Location Top of DVD mechanism LASER RADIATION WHEN O...

Page 4: ...Note especially 1 Wires covered with PVC tubing 2 Double insulated wires 3 High voltage leads D Use specified insulating materials for hazardous live parts Note especially 1 Insulation tape 2 PVC tubing 3 Spacers 4 Insulators for transistors E When replacing AC primary side components transformers power cord etc wrap ends of wires securely about the terminals before solder ing F Observe that the w...

Page 5: ...and externally exposed accessible parts RF termi nals 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 the terminals of load Z See Fig...

Page 6: ...ldering 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 apply ing 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 1 Release the flat pack IC from the CBA us...

Page 7: ...ving 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 1 6 With Iron Wire 1 Using desoldering braid remove the solder from all pins of the flat pack IC When you use solder flux which is applied to all pins of the flat pack IC you can remove it easily Fig S ...

Page 8: ...llation 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 IC indicates pin 1 See Fig S 1 7 Be sure this mark matches the 1 on the PCB when positioning for installation Then presolder the four corners of the flat pack IC See Fig S 1 8 3 Solder all pins of the fl...

Page 9: ...to remove any static electricity that may be charged on the body 2 Ground for Workbench 4 Be sure to place a conductive sheet or copper plate with proper grounding 1MΩ 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 ground ing band be careful to avoid contacting semi con ductors with you...

Page 10: ...tal Out dBm 18 3 Audio PCM 3 1 Output Level 1 kHz 0 dB Vrms 2 0 3 2 S N dB 120 3 3 Freq Response DVD fs 48 kHz 20 22 kHz dB 0 5 CD fs 44 1 kHz 20 20 kHz dB 0 5 3 4 THD N DVD 1 kHz 0dB 0 004 CD 1 kHz 0dB 0 0045 OUTPUT SIGNAL FORMAT NTSC color POWER SOURCE 120 V AC 10 60 Hz 0 5 POWER CONSUMPTION 10 W standby 0 8W OPERATING TEMPERATURE 41 F 5 C to 104 F 40 C DIMENSIONS W 17 1 8 435 mm H 2 51 mm D 8 5...

Page 11: ...o Out Mode NTSC PAL PAL60 O S Video Component Composite O O O Video D A Converter 10bit 54MHz Black Level Select O Picture Control Progressive Out O Audio D A Converter 192kHz 24bit Digital Audio Out Optical Coaxial O Dolby Digital 5 1 ch Decode DTS Digital Out O Virtual Surround O Dynamic Range Compression Dolby Digital O DVD Audio Search Speed 2 to 100 FORWARD REWIND DVD 2 8 50 100 CD 16 Slow Sp...

Page 12: ... x2 x4 x16 O O Program and Random Play of DVD VCD A B Repeat O Repeat O Resume O O can not effect after Power off Closed Caption for NTSC DVD O Front Panel Display Dimmer O Screen Saver O Auto Power Off O always on O Jog Shuttle on Remote TV Control O DV P735U P735U C DV P533U FEATURES REMOTE CONTROLLER ...

Page 13: ...7 Disc tray 8 Display 9 MAIN AC Power Cord Connect to a standard AC outlet 10 COAXIAL Digital audio out Use coaxial digital audio out to connect to a compatible Dolby Digital receiver Use to connect to a Dolby Digital decoder or DTS decoder 11 AUDIO OUT Left Right Connect to the AUDIO inputs of an amplifier receiver or stereo system 12 VIDEO OUT Use a video cable to connect one of the jack to Vide...

Page 14: ...s B B p po o Move the cursor and determines its position 12 ENTER Press to accept a setting 13 RETURN Returns to the previous operation 14 SKIP Press to skip Chapters or Tracks 15 STOP Press to stop the disc motion 16 E E Press to view the DVD picture in fast reverse motion or to reverse playback of an Audio CD 17 PAUSE STEP Press to pause Disc playback Press repeatedly to advance the DVD picture ...

Page 15: ... IC102 FLASH ROM MBM29LB160T BM90TN K MX29LV160ABTC 90G IC103 MBM29LV160BE90TN K MBM29LV160B90PFTNSFK HY29LV160BT 90 MX29LV160BTC 90 M29W160DB70N6 IC103 LATCH 74LVX573MTCX TC74LVX573FT EL IC104 IC105 CLOCK GENERATOR BU2363FV E2 IC451 AUDIO D A CONVERTER PCM1755DBQR IC601 PCM1751DBQR IC601 ERROR VOLTAGE DET LTV 817B F LTV 817C F PS2561A 1 W PS2561A 1 Q IC1001 LTV 817B F LTV 817C F IC1001 1 2V REG P...

Page 16: ...eo recording playback standard that applies to DVD Video DVD R and DVD RW DVD Video Recording Format Video recording playback standard that applies to DVD RAM and DVD RW This allows versatile editing functions differing from the DVD Video Format DVD Forum International organization that formulates the technical standards of DVD E EIAJ Electronic Industries Association of Japan An organization of m...

Page 17: ... D1030 IC1002 Q1002 Q1004 Q1005 Q1011 Does the photo coupler circuit on the secondary side operate normally Check IC1001 D1012 D1024 and their periphery and service it if defective Check IC1001 IC1006 D1048 and their periphery and service it if defective FLOW CHART NO 5 FL is not outputted Is approximately 23V voltage supplied to the anode of D1003 Check D1003 and periphery circuit and service it ...

Page 18: ...lly Check D1047 and the periphery circuit and service it if defective Refer to FLOW CHART NO 6 P ON 10V EV 11V is not outputted Yes No FLOW CHART NO 10 EV 1 2V is not outputted Is 2 5V voltage supplied to Pin 1 of IC1002 Replace IC1002 Check D1006 C1014 C1050 L1008 and the periphery circuit and service it if defective Yes No FLOW CHART NO 6 P ON 10V EV 11V is not outputted Is 11V voltage supplied ...

Page 19: ...trol is activated Is the L pulse supplied to the Pin 22 of CN1001 Replace DVD Main CBA Is 5V voltage supplied to Pin 3 terminal of the infrared remote control receiver RM2001 Yes No Check EV 5V line and service it if defective No No Yes Yes Yes Yes Yes Yes No No No No FLOW CHART NO 11 The fluorescent display tube does not light up Is 3 3V voltage supplied to Pins 6 24 of IC2001 Is the voltage of a...

Page 20: ...ror occurs Replace the DVD Main CBA No improvement can be found Original DVD Main CBA is poor Replace the DVD Mecha No Yes Yes FLOW CHART NO 15 The disc tray cannot be opened and closed Replace the DVD Main CBA Original DVD Main CBA is poor Replace the DVD Mecha No improvement can be found No Yes FLOW CHART NO 14 The disc tray cannot be opened and closed It can be done using the remote control uni...

Page 21: ...JK1401 Are the chroma signals outputted to the S OUT terminal JK1401 No No No No Are the composite video signals outputted to the VIDEO OUT terminal JK1404 FLOW CHART NO 20 Picture does not appear normally Set the disc on the disc tray and playback Are the video signals outputted to each pin of CN1601 on the AV CBA Replace the DVD Main CBA or DVD Mecha Check the line between each pin of CN1601 and...

Page 22: ...Main CBA or DVD Mecha Replace the DVD Main CBA or DVD Mecha Replace IC1201 Check the periphery between Pins 1 7 of IC1201 and JK1404 and service it if detective Check each line between each pin of CN1601 and each pin of IC1201 on AV CBA and service it if detective CN1601 14PIN IC1201 2PIN AUDIO L CN1601 16PIN IC1201 6PIN AUDIO R Are the analog audio signals inputted to each pin of IC1201 Are the a...

Page 23: ...um in 3 of Fig e appears on the VFD Fig f At this time no buttons are available 6 Remove the disc on the tray 7 Unplug the AC cord from the AC outlet Then plug it again 8 Turn the power on by pressing the power button and the tray will close 9 Press 1 2 3 4 and DISPLAY buttons on the remote control unit in that order Fig g appears on the screen F W Version Up Mode Model No VERSION Please insert a ...

Page 24: ...er making sure that no disc is in unit turn the power on 2 Press 1 2 3 4 and DISPLAY buttons on the remote control unit in that order The Firmware ver sion appears on the VFD and TV screen 3 Turn the power off to reset the unit Note If the firmware has been changed etc we will use Service News etc to report on how to obtain new firmware data and create an upgraded disc MODEL Version Region EEPROM ...

Page 25: ...id damage of pickup follow next procedures 2 1 Short the three short lands of FPC cable with sol der before removing the FFC cable CN201 from it If you disconnect the FFC cable CN201 the laser diode of pickup will be destroyed Fig D4 2 2 Disconnect Connectors CN301 CN401 and CN601 Remove two Screws S 3A and S 3B and lift the DVD Main CBA Unit Fig D4 CAUTION 3 When reassembling confirm the FFC cabl...

Page 26: ...e Fig D2 2 Front Assembly L 2 L 3 L 1 L 1 3 Reinforce Plate S 2 Fig D3 4 DVD Main CBA Unit CN201 CN301 CN401 CN601 A Fig D4 Short the three short lands by soldering Either of two places Connector View for A S 3B S 3A FCC Cover ...

Page 27: ...BA 6 AV CBA S 5 S 6 CN2001 L 4 Fig D6 A View for A Rotate this roulette in the direction of the arrow HOW TO MANUAL EJECT Method 1 1 Remove the Top Case 2 Remove the Reinforce Plate 3 Rotate the roulette in the direction of the arrow as shown below ...

Page 28: ...driver HOW TO MANUAL EJECT Method 2 1 Turn the unit over 2 Insert the shaft less than a diameter of 3 mm e g screwdriver straightly into the opening as shown 3 Turn the shaft along with the opening clockwise 4 Repeat steps 2 and 3 until the tray will open 5 Pull the tray slowly with a hand ...

Page 29: ...01 2L105 2L021 2L021 2L021 2L021 2L011 2L081 2L011 2L011 2L105 A16 2B9 001 DVD MAIN CBA CBA REPLACEMENT ORDER FORMAT AV CBA COMPONENT REPLACEMENT 1B1 DVD MECHANISM UNIT REPLACEMENT ORDER FORMAT FUNCTION CBA COMPONENT REPLACEMENT 2L031 1 2 3 4 A B C EXPLODED VIEW AND PARTS LIST 5 ...

Page 30: ...R A16 TJ17572 CASE TOP AC1001 TE15463 CORD AC 1B1 TJ17573 DVD DRIVE MECHA 2B1 TJ17579 HOLDER 2B5 TJ17574 PLATE 2L011 TE13193 SCREW 3X10 2L021 TJ17604 SCREW 3X11 2L031 TJ10177 SCREW 3X8 2L041 TJ15892 SCREW M3X10 2L105 TJ10177 SCREW 3X8 001 TJ17633 PWB ASSY DVD MAIN ACCESSORIES X1 TS18852 REMOTE HAND SET X5 TJ15698 CORD AV SYMBOL NO P NO DESCRIPTION ...

Page 31: ...A1267 Q1003 TC10778 TRANSISTOR KTC3199 Q1004 TJ17492 TRANSISTOR KTC3198 Y Q1005 TC10778 TRANSISTOR KTC3199 Q1008 TC10778 TRANSISTOR KTC3199 Q1011 TE13235 TRANSISTOR KTC3203 Y Q1015 TC12411 TRANSISTOR KRA110M Q1016 TC10778 TRANSISTOR KTC3199 Q1031 TJ17593 TRANSISTOR 2SK3498 Q1201 TC10778 TRANSISTOR KTC3199 Q1202 TC10778 TRANSISTOR KTC3199 Q1204 TC10784 TRANSISTOR KTA1266 SYMBOL NO P NO DESCRIPTION ...

Page 32: ...dering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All voltages are DC voltages unless otherwise specified Values in schematic diagrams The values dielectric strength power capacitance and tolerances of the resistors excluding variable resistors and capacitors are indicated in the sche matic diagrams using abbrevi...

Page 33: ...ity 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 Wire Connectors 1 Prefix symbol CN means connector can disconnect and reconnect 2 Prefix symbol CL means wire solder holes of the PCB wire is soldered directly 5 Voltage indications for PLAY and STOP mode on the schematics are as shown below 6 How to ...

Page 34: ...O Y 8 8 CN601 CN1601 AC CORD AUDIO L OUT AUDIO R OUT VIDEO OUT DIGITAL AUDIO OUT S VIDEO OUT EV 3 3V 3 3 K2 1 1 K1 2 2 KEY 2 3 3 KEY 3 4 4 KEY 1 5 5 KEY 4 6 6 19 20 AUDIO R 16 16 AUDIO GND 11 11 AUDIO GND 12 12 A MUTE 13 13 AUDIO L 14 14 A R MUTE 15 15 TS TS FS CD LD FS GND DVD PD GND CD PD PD MONI DVD LD VREF E GND B P ON 5V CD DVD D A C F GND LD FS TS DETECTOR 7 9 11 2 3 6 5 M SLED MOTOR M SPIND...

Page 35: ...6 4 6 3 1 DVD Main 1 3 Schematic Diagram 6 3 SCHEMATIC DIAGRAMS ...

Page 36: ...6 5 6 3 2 DVD Main 2 3 Schematic Diagram ...

Page 37: ... 63 0 0 95 127 2 3 2 3 32 64 0 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 ...

Page 38: ...6 7 6 3 3 DVD Main 3 3 Schematic Diagram ...

Page 39: ...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 A V F CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE ATTENTION POUR UNE PROTECTION CONTINUE LES RISQES D INCELE N UTILISER QUE DES FUSIBLE DE MÊME TYPE RISK OF FIRE REPLACE FUSE AS MARKED T...

Page 40: ...6 9 6 3 5 AV 2 3 Schematic Diagram ...

Page 41: ...e f REPEAT TITLE GROUP VCR CHP REC SACD TRK A ALL B PSCAN DVD PM HDVCD A 7G 6G 5G 4G 3G 2G 1G a b c d e f g c d e f f g c d e f g c d e f g c d e f g c d e f g h i i a b a b a b a b a b FL2001 MATRIX CHART REPEAT TITLE GROUP VCR CHP REC SACD TRK ALL B PSCAN DVD P M HD V CD A A ...

Page 42: ...EAD WF4 AUDIO L AUDIO L Pin 14 of CN1601 1V 1V 0 5ms 0 5ms WF5 AUDIO R AUDIO R Pin 16 of CN1601 1V 1V 0 5ms 0 5ms WF2 Pin 10 of CN1601 VIDEO Y VIDEO Y 0 2V 0 2V 20 20µs VIDEO C VIDEO C 0 2V 0 2V 20 20µs VIDEO CVBS VIDEO CVBS 0 5V 0 5V 20 20µs NOTE Input CD 1kHz PLAY WF4 WF6 DVD POWER ON STOP MODE WF1 WF3 ...

Page 43: ...CELE N UTILISER QUE DES FUSIBLE DE MÊME TYPE RISK OF FIRE REPLACE FUSE AS MARKED This symbol means fast operating fuse Ce symbole reprèsente un fusible à fusion rapide CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F1001 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to ...

Page 44: ...NTION POUR UNE PROTECTION CONTINUE LES RISQES D INCELE N UTILISER QUE DES FUSIBLE DE MÊME TYPE RISK OF FIRE REPLACE FUSE AS MARKED This symbol means fast operating fuse Ce symbole reprèsente un fusible à fusion rapide CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F1001 is blown check to see that all components in the power supply circuit ar...

Page 45: ...6 14 6 5 3 Function CBA Top Bottom View FUNCTION CBA Top View FUNCTION CBA Bottom View ...

Page 46: ...P 4 SP 5 TRAY IN 6 GND 7 SL 8 SL VREF CN1001 2 28 27 1 12 7 8 9 10 11 REMOTE SENSOR RM2001 1G 7G 23 17 a KEY 1 b KEY 2 c KEY 3 d KEY 4 e K1 K2 FP STB FP DIN FP DOUT FP CLK GRID FIP SEGMENT FL2001 IC2001 FRONT PANEL CONTROL 13 14 16 3 4 f g h i KEY MATRIX CN2001 CN2101 KEY 1 5 5 KEY 2 3 3 KEY 3 4 4 KEY 4 6 6 K2 1 1 K1 2 2 FP STB 20 FP DIN 19 FP DOUT 21 FP CLK 18 REMOTE 22 RESET 73 RESET IC462 1 3 3...

Page 47: ...RUPT 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 D A D A 149 158 Y C Cr Cb VIDEO Y VIDEO C VIDEO Cr VIDEO Cb 177 SPDIF 170 PCM BCK 171 PCM DATA 169 PCM LRCLK 152 151 23 51 SDRAM DATA 0 15 SDRAM ADDRESS 0 11 SDRAM ADDRESS 0 11 217 238 1 18 252 256 2 ...

Page 48: ...Q1204 3 8 8 VIDEO Y 10 10 VIDEO C 6 6 VIDEO Cb 4 4 VIDEO Cr VIDEO Y VIDEO C VIDEO Cb VIDEO Cr JK1401 S VIDEO OUT 3 4 2 1 Y C W F 1 W F 3 W F 6 W F 4 W F 5 IC1402 VIDEO DRIVER 4dB AMP 2dB AMP LPF DRIVER 11 4dB AMP 2dB AMP LPF DRIVER 6 10 4dB AMP 2dB AMP LPF DRIVER 8 3 13 IC1403 VIDEO DRIVER 4dB AMP 2dB AMP LPF DRIVER 2dB AMP DRIVER 4dB AMP 2dB AMP LPF DRIVER 3 1 5 6 7 3 3 VIDEO Y CN601 CN1601 VIDEO...

Page 49: ...8 F2 NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal REPLACE FUSE AS MARKED Ce symbole reprèsente un fusible à fusion rapide CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE ATTENTION POUR UNE PROTECTION CONTINUE LES RISQES D INCELE N UTILISER QUE DES FUSIBLE DE MÊME TYPE RISK OF FIRE This symbol means fast operating...

Page 50: ...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 51: ...t a KEY 1 Segment Output Key Source 1 8 Out b Key 2 Segment Output Key Source 2 9 Out c Key 3 Segment Output Key Source 3 10 Out d Key 4 Segment Output Key Source 4 11 Out e Segment Output 12 In f 13 In g 14 Out h 15 VEE Pull Down Level 16 Out i Segment Output 17 Out 7G Grid Output 18 6G 19 5G 20 4G 21 3G 22 2G 23 1G 24 VDD Power Supply 25 VSS GND 26 In OSC Oscillator Input 27 Out FP DOUT Serial D...

Page 52: ...mitter C Collector B Base R Reference G Gate D Drain S Source PQ070XZ5MZP 1 Vin 2 Vc 3 Vo 4 Vadj 5 GND KIA4558P MM1636XWRE PT6313 S TP SC16313 NJM4558D 2SA1015 Y TPE2 2SC2120 Y TPE2 KTA1266 Y KTC3198 Y KTC3203 Y 2SC2785 H BN1L3Z P KRA110M KTA1267 Y KTC3199 GR Y LTV 817B F LTV 817C F PS2561A 1 Q W FAN431AZXA KIA431 AT MM1637XVBE 2SK3498 ...

Page 53: ...DV P745U DV P745U C DV P745U DV P745U C No 0401E TK Digital Media Division Tokai DV P745U DV P745U C ...

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