Sylvania DVR90DG Service Manual Download Page 26 | Manualshive

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1-10-4

DVD Main 2/5 Schematic Diagram

E7A00SCD2

DVD MAIN 2/5

Ref No.

Position

IC101(2/5)

J-3

IC301

J-2

IC302

H-2

CN301

G-2

CN701

G-4

CONNECTORS

ICS

NOTE:

1. The order of pins shown in this diagram is different from that of actual IC101.
2. IC101 is divided into five and shown as IC101 (1/5) ~ IC101 (5/5) in this DVD Main Schematic Diagram Section.

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Summary of Contents for DVR90DG

Page 1: ...SERVICE MANUAL DVD RECORDER DVR90DG REC OTR REC SPEED OPEN CLOSE CHANNEL REV FWD STOP PLAY POWER S VIDEO VIDEO AUDIO L R...

Page 2: ...onsequences 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...

Page 3: ...286 1 3 Component Output Y Luminance 75 load Vp p 1 0 Cb U 75 load Vp p 0 7 Cr V 75 load Vp p 0 7 2 AUDIO 2 1 Output Level Vrms 2 0 2 2 Frequency Response DVD VIDEO LPCM fs 96 kHz Hz 4 44 k fs 48 kHz...

Page 4: ...y 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 ha...

Page 5: ...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...

Page 6: ...ug prongs and externally 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...

Page 7: ...achine 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 C...

Page 8: ...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 i...

Page 9: ...s 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...

Page 10: ...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 M on the workbench or other surfa...

Page 11: ...Screw CN Connector Unhook Unlock Release Unplug or Desolder e g 2 S 2 two Screws S 2 2 L 2 two Locking Tabs L 2 5 Refer to Reference Notes Reference Notes 1 CAUTION 1 Locking Tabs L 1 and L 2 are fra...

Page 12: ...D2 3 DVD Mechanism DVD Main CBA Assembly S 2 S 2 Fig D3 CN101 CN701 Locking Card Spacer Main Sheet Locking Card Spacer Desolder 5 PCB Holder 4 SW CBA S 4 S 3 S Earth Plate Fig D4 7 AV CBA 6 Rear Pane...

Page 13: ...ar be careful not to damage the gear 1 Remove the Top Cover 2 Rotate the gear in the direction of the arrow manually as shown below until the tray descends 3 Pull the tray out manually and remove a di...

Page 14: ...the initializing is completed the DVD recorder exits the Version display mode and turns off the power automatically To move into the Normal mode from the Version display mode press RETURN button on t...

Page 15: ...as follows 5 After updating is finished the tray opens automatically At this time no button is available 6 Pull out the AC code once then insert it again Fig a Version Up Mode Screen Firmware Version...

Page 16: ...d for 10 minutes 11 Encode Pause condition continued in normal REC condition for 10 minutes 12 Difference in the address and can not get StreamID of RDI VIDEO 13 It is a reply that ATAPI is not readab...

Page 17: ...y has been reached VR Format Disc 8 You cannot record more than 999 chapters on one disc The maximum is 999 Delete unnecessary chapter markers 33 The 999 chapter has been reached VR Format Disc 9 You...

Page 18: ...YS RESET SUB RXD SUB TXD SUB SCLK RDY CN1101 POW SW REG CONT PWSW VIDEO SW1 AUDIO MUTE AUDIO SW1 AUDIO SW2 SDA SCL X OUT X IN XC OUT XC IN RESET P DOWN VCC FL SDA FL SCL FL STB REMOTE KEY 1 KEY 2 POW...

Page 19: ...T3 P2 R1 P3 R2 VIDEO Y I P VIDEO C VIDEO Cb Pb VIDEO Cr Pr D A D A D A D A AUDIO I F VIDEO ENCODER BACK END DIGITAL SIGNAL PROCESS VIDEO I F FLASH MEMORY FE ENCODER TRAY OPEN IC102 DDR SDRAM DDR SDRA...

Page 20: ...P LPF DRIVER 6 10 4dB AMP 2dB AMP LPF MUTE DRIVER 8 5 VIDEO OUT VIDEO Cb Pb OUT VIDEO Y OUT VIDEO Cr Pr OUT JK2201 JK2203 3 1 JK2105 S VIDEO IN1 3 4 2 1 Y C VIDEO IN1 JK2106 TU1701 TUNER UNIT 15 TO DI...

Page 21: ...AUDIO SIGNAL PROCESS AUDIO D A CONVERTER 14 21 30 29 OP AMP IC1102 AUDIO INPUT SELECT IC1101 OP AMP OP AMP OP AMP OP AMP 1 7 13 3 2 6 24 27 11 15 14 4 2 5 MUTE ON DRIVE Q1202 MUTE ON 9 10 7 6 8 15 14...

Page 22: ...ON 2 5V 1 4 6 EV 10 5V Q1065 SW 5V Q1057 SW 5V TUNER 5V Q1055 EV 32V Q1505 Q1056 J1215 REG CONT FAN 10 5V CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If...

Page 23: ...k in the schematic diagram and 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 sa...

Page 24: ...gs were prepared 2 To maintain original 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...

Page 25: ...Position IC101 1 5 F 4 IC201 C 2 IC202 B 4 CN201 A 3 CN202 A 1 CONNECTORS ICS NOTE 1 The order of pins shown in this diagram is different from that of actual IC101 2 IC101 is divided into five and sho...

Page 26: ...Position IC101 2 5 J 3 IC301 J 2 IC302 H 2 CN301 G 2 CN701 G 4 CONNECTORS ICS NOTE 1 The order of pins shown in this diagram is different from that of actual IC101 2 IC101 is divided into five and sho...

Page 27: ...f No Position IC101 3 5 N 4 IC106 P 2 IC107 P 2 CN101 R 3 CONNECTOR ICS NOTE 1 The order of pins shown in this diagram is different from that of actual IC101 2 IC101 is divided into five and shown as...

Page 28: ...AIN 4 5 Ref No Position IC101 4 5 U 4 IC102 W 4 IC104 S 4 ICS NOTE 1 The order of pins shown in this diagram is different from that of actual IC101 2 IC101 is divided into five and shown as IC101 1 5...

Page 29: ...5 Ref No Position IC101 5 5 Y 4 IC701 AA 2 IC801 CC 1 IC802 BB 1 ICS NOTE 1 The order of pins shown in this diagram is different from that of actual IC101 2 IC101 is divided into five and shown as IC1...

Page 30: ...0 1 These components IC1502 C1509 can be used in any models However you cannot mix components under Group A with the ones under Group B You can choose either Group The difference between Group A and G...

Page 31: ...1 10 9 AV 2 5 Schematic Diagram E7A00SCAV2 AV 2 5 Ref No Position IC1101 J 2 IC1102 J 1 IC1301 H 2 IC1701 J 4 Q1101 J 3 Q1102 J 3 Q1303 J 2 Q1304 J 1 CN1101 L 3 CONNECTOR TRANSISTORS ICS...

Page 32: ...1 10 10 AV 3 5 Schematic Diagram E7A00SCAV3 AV 3 5 Ref No Position IC1201 N 2 IC1401 O 3 Q1161 M 3 Q1201 P 2 Q1202 P 1 Q1203 O 2 Q1241 P 1 ICS TRANSISTORS...

Page 33: ...circuit is measured using hot GND as a common terminal Ce symbole repr sente un fusible fusion rapide CAUTION For continued protection against fire hazard replace only with the same type fuse ATTENTIO...

Page 34: ...h g c b e f REPEAT PM REC VCD VCR DVD R XP SP LP EP SLP P SCAN SEP W CD T C 7G 6G 5G 4G 3G 2G 1G a b c d e f g c d e f g g c d e f g c d e f g c d e f g c d e f g h h i a b a b a b a b a b FL2001 MATR...

Page 35: ...1 10 13 SW Schematic Diagram E7A00SCSW...

Page 36: ...pply 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 Ce symbole repr sente un fusibl...

Page 37: ...CN1101 B 3 CN1502 A 2 ICS CONNECTORS TRANSISTORS 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 component...

Page 38: ...1 10 16 SW CBA Bottom View SW CBA Top View BE7A00F01021B...

Page 39: ...1418 PLUS LEAD WF4 VIDEO Cb Pin 28 of CN1101 0 2V 20 sec WF5 VIDEO Cr Pin 26 of CN1101 0 2V 20 sec SPDIF 1V 0 1 sec WF7 Pin 28 of CN1051 WF2 Pin 22 of CN1101 VIDEO Y 0 2V 20 sec VIDEO C 0 2V 20 sec VI...

Page 40: ...IN 20 20 GND 21 21 VIDEO C OUT 22 22 GND 23 23 VIDEO Y I P OUT 24 24 GND 25 25 VIDEO Cr Pr OUT 26 26 GND 27 27 VIDEO Cb Pb OUT 28 28 VI 1 2V 19 19 VI 1 2V 20 20 VI 1 2V 21 21 GND 22 22 GND 23 23 P ON...

Page 41: ...Push Close Rezero 2 INNER SW open Is Timer ET1 passed INNER SW open Is Timer ET4 passed Is slit S5 passed Is Timer ET3 passed Is Timer ET1 passed Retry OK Is slit S1 passed Is not slit passed Is Timer...

Page 42: ...d S1 300 12c T1 0 1 s ET1 5 0 s V1 4 5 V 022 S2 3300 ce4 T2 3 0 s ET2 5 0 s V2 2 2 V 010 S3 3935 f5f T3 3 0 s ET3 3 0 s V3 2 4 V 013 S4 0 000 T4 0 1 s ET4 3 0 s V4 6 0 V 030 S5 3000 bb8 T5 0 1 s SLED...

Page 43: ...y close Push close SLED INNER SW Timer close open Tray insersion direction Tray ejection direction S5 V3 V4 S4 ET3 ET4 SLED Encoder pulse S5 T3 V3 V4 ET4 Push Close INNER SW close open Tray insersion...

Page 44: ...is pressed after the S5 passage It starts opening after making closing complete once SLED open Tray insersion direction close INNER SW Timer T2 Rezero 1 ET4 V3 V4 SLED INNER SW open Rezero 2 Tray ins...

Page 45: ...try frequency V1 1st time retry 6 v 2nd time retry 7 v 3rd time retry 8 v 4th time retry 9 v 5th time retry 9 v 6th time retry 9 v SLED Tray ejection direction S1 V1 V2 6v open Tray insersion directio...

Page 46: ...Control Signal 27 IN REMOTE Remote Signal Input 28 NU Not Used 29 IN RDY Ready Busy communication Control with Main Micro Controller 30 IN P DOWN Power Voltage Down Detector Signal 31 NU Not Used 32...

Page 47: ...be 3 NU Not Used 4 NU Not Used 5 VSS GND 6 VDD Power Supply 7 OUT a Segment Output 8 b 9 c 10 d 11 e 12 f 13 g 14 h 15 VEE Pull Down Level 16 OUT i Segment Output 17 OUT 7G Grid Output 18 6G 19 5G 20...

Page 48: ...3 Emitter 4 Collector 8 5 4 1 Note A Anode K Cathode E Emitter C Collector B Base R Reference G Gate D Drain S Source PT6313 S TP L KIA4558P P CD4052BPWR KTC3203 Y AT P KTC3205 Y AT P 2SA966 Y KTA1267...

Page 49: ...List for parts with this mark Some Ref Numbers are not in sequence AV CBA SW CBA A1X A11 A13 A5 A14 A5 A4 2B6 2B2 2B10 2L081 2L081 2L031 2L031 2L081 2B1 2B9 2L081 2B7 2B5 2B3 2B4 A3 A12 2L021 2L012 2L...

Page 50: ...1 16 2 E7A00PEX Packing Some Ref Numbers are not in sequence X5 Unit S1 A13 S2 S3 S2 X6 X10 X4 X3 X2 X1...

Page 51: ...C2 E6700UD NEW 2B1 PCB HOLDER E7A00UD 1VM220926 2B2 CABLE COVER E7A00UD 1VM422494 2B4 LOCKING CARD SPACER KGLS 22S XP0U039WD001 2B5 MAIN SHEET E7A00UD 1VM422583 2B6 POWER SHEET E6700UD 1VM421074 2B7 E...

Page 52: ...F Z 0 1 F 50V CHD1JZ30F104 C1082 ELECTROLYTIC CAP 100 F 6 3V M CE0KMASDL101 C1084 CHIP CERAMIC CAP 1608 B K 0 033 F 50V CHD1JK30B333 C1085 CHIP CERAMIC CAP 1608 B K 1 F 10V CHD1AK30B105 C1101 CHIP CE...

Page 53: ...50V M CE1JMASDL1R0 C1722 ELECTROLYTIC CAP 1 F 50V M CE1JMASDL1R0 C1723 ELECTROLYTIC CAP 2 2 F 50V M CE1JMASDL2R2 C1724 ELECTROLYTIC CAP 10 F 16V M CE1CMASDL100 C1725 ELECTROLYTIC CAP 3 3 F 50V M CE1J...

Page 54: ...JZLZ02R2 R1008 METAL FILM RES STRAIGHT 1W J 15k RN01JZPZ0153 R1009 CARBON RES 1 4W J 6 8k RCX4JATZ0682 R1010 METAL OXIDE FILM RES 2W J 0 75 RN02R75ZU001 Ref No Description Part No R1011 CARBON RES 1 4...

Page 55: ...503 CHIP RES 1 10W J 47k RRXAJR5Z0473 R1505 CHIP RES 1 10W J 820k RRXAJR5Z0824 R1506 CHIP RES 1 10W J 470k RRXAJR5Z0474 Ref No Description Part No R1507 CHIP RES 1 10W J 470 RRXAJR5Z0471 R1508 CHIP RE...

Page 56: ...D0 6 P7 5 JW7 5T JP1405 PCB JUMPER D0 6 P5 0 JW5 0T JP1420 PCB JUMPER D0 6 P20 0 JW20 0T JP1528 PCB JUMPER D0 6 P5 0 JW5 0T JP1529 PCB JUMPER D0 6 P6 0 JW6 0T JP1704 PCB JUMPER D0 6 P5 0 JW5 0T JP2001...

Page 57: ...DVR90DG E7A00UD 2006 1 10...

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