FUNAI DBVR-7730D Service Manual Download Page 53 | Manualshive

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WAVEFORMS

WF3

WF2

WF3

UPPER

WF1

WF1

LOWER

TP751

TP751

TP504

UPPER

LOWER

TP504

TP301

WF4

WF6

Pin 6 of IC1403

WF5

VIDEO-C

WF7

DVD-AUDIO(L)

1V

0.5ms

WF8

WF9

SPDIF

1V

0.1

µ

s

Pin 8 of CN1601

Pin 10 of CN1601

Pin 12 of CN1601

Pin 14 of CN1601

Pin 16 of CN1601

NOTE:

Input
COLOR BAR SIGNAL (WITH 1KHz AUDIO SIGNAL)

DVD-AUDIO(R)

1V

0.5ms

V-OUT E-E

0.2V

20

µ

s

V-OUT

0.5V

50

µ

s

RF-SW

5V

C-PB
RF-SW

5V

5ms

0.2V

VIDEO-Y

0.2V

20

µ

s

VIDEO-C

0.2V

20

µ

s

VIDEO-CVBS

0.5V

20

µ

s

1-13-1

D7PWF

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Summary of Contents for DBVR-7730D

Page 1: ...Main Section I Specifications I Preparation for Servicing I Adjustment Procedures I Schematic Diagrams I CBA s I Exploded views I Parts List When servicing the deck mechanism refer to MK14 Deck Mecha...

Page 2: ...de 1 9 1 Function Indicator Symbols 1 10 1 Block Diagrams 1 11 1 Schematic Diagrams CBA s and Test Points 1 12 1 Waveforms 1 13 1 Wiring Diagram VCR Section 1 14 1 Wiring Diagram DVD Section 1 14 2 IC...

Page 3: ...de W O Burst 1 4 Video Color S N AM R P dB 37 41 SP Mode 1 5 Video Color S N PM R P dB 30 36 SP Mode 1 6 Resolution PB Line 230 245 SP Mode 2 Servo 2 1 Jitter Low sec 0 07 0 12 SP Mode 2 2 Wow Flutter...

Page 4: ...re 5 C 40 C ITEM CONDITIONS UNIT NOMINAL LIMIT 1 Video Output 75 load Vpp 1 0 0 1 2 Optical Digital Out dBm 18 3 Audio PCM 3 1 Output Level 1 kHz 0 dB 47k load Vrms 2 0 3 2 S N 47k load dB 90 3 3 Freq...

Page 5: ...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 T...

Page 6: ...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 7: ...urrent Test Confirm the specified or lower leakage current between B earth ground power cord plug prongs and externally exposed accessible parts RF termi nals antenna terminals video and audio input a...

Page 8: ...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 apply ing the hot air 3 Bottom of the flat pack IC is fixed with glue to the...

Page 9: ...removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using twee zers Fig...

Page 10: ...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 I mark on the flat pac...

Page 11: ...ed to remove any static electricity that may be charged on the body 2 Ground for Workbench 1 Be sure to place a conductive sheet or copper plate with proper grounding 1M on the workbench or other surf...

Page 12: ...nto the Deck Mechanism Assembly and press the PLAY button The tape will be loaded into the Deck Mechanism Assembly Make sure the power is on connect TP501 S INH to GND This will stop the function of T...

Page 13: ...UNHOOK UNLOCK RELEASE UNPLUG DESOLDER Note 1 Top Case D1 8 S 1 2 Front Assembly D2 3 L 1 3 L 2 1 1 1 1 2 3 Top Bracket D2 3 S 2 4 DVD Mechanism Assembly D3 4 S 3 CN401 CN601 5 Partition Plate D3 S 4...

Page 14: ...ig D4 2 2 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 CAU...

Page 15: ...Supply CBA 7 Loader Holder 4 DVD Mechanism Assembly Fig D3 CN201 CN301 S 7 8 DVD Main CBA Unit DVD Mechanism A Fig D4 S 7 View for A Short the three short lands by soldering Either of two places Conne...

Page 16: ...lder Lead with blue stripe From FE Head BOTTOM VIEW Lead connections of Deck Assembly and Main CBA Desolder From Capstan Motor Assembly Printing side Desolder From Cylinder Assembly From ACE Head Asse...

Page 17: ...Mechanism HOW TO EJECT MANUALLY 1 Remove the Top Case Front Assembly and Top Bracket 2 Remove four Screws S 3 in Fig D3 Do not disconnect connectors 3 While lifting up the DVD Mechanism rotate the rou...

Page 18: ...he auto adjustment mode 5 Eject the Alignment Tape FL6A 3 To check reset the initial function setting Preparation 1 Enter the service mode 2 Check the 0 FUNC SET value 1 in Fig E1 When the 0 FUNC SET...

Page 19: ...rol unit in that order Fig a appears on the screen 2 Press CLEAR button on the remote control unit Fig b appears on the screen When OK appears on the screen the factory default will be set 3 To exit t...

Page 20: ...ppears on the VFD Fig f At this time no button is 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 STANDBY ON butt...

Page 21: ...ars 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 STANDBY ON button MODEL Version Region EEPROM CLEA...

Page 22: ...ctly When the drum is not working properly P ON Power safety detection MODE INDICATOR ACTIVE When reel or capstan mechanism is not functioning correctly A R is displayed on a TV screen Refer to Fig 1...

Page 23: ...W507 LD SW AL 5V D555 S LED TO POWER SUPPLY BLOCK DIAGRAM TP501 Q507 SENS INH IC501 SERVO SYSTEM CONTROL LINE MUTE LINE MUTE 5 6 SENSOR CBA SENSOR CBA END S ST S Q504 Q503 REC SAFETY END S CTL TP503 C...

Page 24: ...PB EE IN1 TUNER IN1 TUNER MUTE PB EE FRT IN2 FRT IN2 AGC P R R Y C P R P R P EP Y DELAY Y C MIX 21 79 78 AGC VXO OSD CHARACTER MIX FBC 1 2 58 59 65 29 28 69 68 46 43 84 83 71 62 70 D REC H 80 BUFFER Q...

Page 25: ...ON SP LP ON P TUNER IN2 IN1 R ALC DET ALC IC301 AUDIO SIGNAL PROCESS CN504 AUDIO HEAD AUDIO ERASE HEAD ACE HEAD ASSEMBLY FE HEAD CN501 MAIN CBA AUDIO MUTE H IIC BUS SCL IIC BUS SDA TO SERVO SYSTEM CO...

Page 26: ...L PB AUDIO SIGNAL Mode SP REC DVD AUDIO SIGNAL AFV CBA JK101 2 6 2 6 1 3 1 3 JK1402 TU AUDIO R 4 TU AUDIO L 5 4 5 CN701 CN1 SIF 2 2 CN701 CN1 TU701 TUNER UNIT SIF OUT 22 ALC SW SW ALC 67 65 TU AUDIO 1...

Page 27: ...L052B 1 AL 30V 3 AL 2 8V 5 AL 4V 8 F1 7 1 3 5 8 7 F2 TO PIN 67 OF IC501 TO PIN 32 OF IC501 TO PIN 66 OF IC501 IC1003 3 3V REG IC1002 1 2V REG JUNCTION CBA CN051A 1 3 5 7 1 3 5 7 9 11 13 16 15 9 11 13...

Page 28: ...1 17 18 23 6 4 5 3 1 2 25 24 27 26 SL AMP 139 SP ROT EV 3 3V 1 2 6 7 5 3 142 FD OFST 141 TD OFST 13 12 87 14 89 DVD PLAY DVD STOP DVD POWER DVD OPEN CLOSE 96 95 98 97 94 OUTPUT SELECT RESET 84 RESET I...

Page 29: ...RIAL 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 117 118 116 115 133 134 131 132 129 130 126 124 125 123 86 DEBUG...

Page 30: ...G VIDEO R VIDEO B 15 7 11 JK101 DVD R DVD B DVD G FIBER OPTIC TRANS MODULE 3 IC1204 JK1401 S VIDEO OUT 3 4 2 1 Y C DVD VIDEO TO VIDEO BLOCK DIAGRAM VCR SECTION IC102 VIDEO DRIVER 15 4dB AMP 2dB AMP LP...

Page 31: ...itute 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 draw in...

Page 32: ...acement parts which are listed with their part numbers in the parts list section of the service manual 4 Voltage indications for PLAY and REC modes on the schematics are as shown below 5 How to read c...

Page 33: ...1 12 3 E8B05SCM1 Main 1 9 Schematic Diagram VCR Section Comparison Chart of Models and Marks MODEL MARK DPVR 7630D A DCVR 7830D B DBVR 7730D C...

Page 34: ...g c d e f g c d e f g h i i a b a b a b a b a b IC611 MATRIX CHART REPEAT TITLE GROUP VCR CHP REC SACD TRK ALL B PSCAN DVD P M HD V CD A A 5G 4G 3G 2G 1G 7G 6G a d g c b e f f i i REPEAT TITLE GROUP...

Page 35: ...1 12 5 E8B05SCM3 Main 3 9 Schematic Diagram VCR Section Comparison Chart of Models and Marks MODEL MARK DPVR 7630D A DCVR 7830D B DBVR 7730D C...

Page 36: ...1 12 6 E8B05SCM4 Main 4 9 Schematic Diagram VCR Section...

Page 37: ...1 12 7 E8B05SCM5 Main 5 9 Schematic Diagram VCR Section...

Page 38: ...1 12 8 E8B05SCM6 Main 6 9 Schematic Diagram VCR Section...

Page 39: ...1 12 9 E8B05SCM7 Main 7 9 DVD Open Close Schematic Diagram VCR Section...

Page 40: ...1 12 10 E8B05SCM8 Main 8 9 Schematic Diagram VCR Section...

Page 41: ...1 12 11 E8B06SCM9 Main 9 9 Schematic Diagram VCR Section B Comparison Chart of Models and Marks MODEL MARK DPVR 7630D A DCVR 7830D B DBVR 7730D C...

Page 42: ...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...

Page 43: ...1 12 13 E8B05SCJ Jack A Schematic Diagram VCR Section...

Page 44: ...1 12 14 E8B05SCAFV AFV Schematic Diagram VCR Section Comparison Chart of Models and Marks MODEL MARK DPVR 7630D A DCVR 7830D B DBVR 7730D C...

Page 45: ...1 12 15 E8B05SCD1 DVD Main 1 3 Schematic Diagram DVD Section 1 NOTE Either IC461 or IC462 is used for DVD MAIN CBA UNIT...

Page 46: ...1 12 16 E8B05SCD2 DVD Main 2 3 Schematic Diagram DVD Section...

Page 47: ...1 7 1 7 PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP 129 161 0 0 193 225 1 9 1 9 130 162 1 7 1 7 194 226 0 0 131 2 3 2 3 163 1 7 1 7 195 227 3 2 3 2 132 2 4 2 3 164 0 0 196 0 0...

Page 48: ...1 12 18 E8B05SCD3 DVD Main 3 3 Schematic Diagram DVD Section...

Page 49: ...1 12 19 Main CBA Top View CTL TP503 RF SW TP504 WF1 S INH TP501 V OUT TP751 WF3 C PB TP301 WF2 BHF300F01012A BHF300F01012B Sensor CBA Top View BE8B00F01013A...

Page 50: ...1 12 20 PIN12OF CN1601 WF5 PIN 10 OF CN1601 WF4 PIN 8 OF CN1601 WF8 PIN 14 OF CN1601 WF6 PIN 6 OF IC1403 WF9 PIN 16 OF CN1601 WF7 Main CBA Bottom View BE8B00F01013A...

Page 51: ...k A CBA Top View Jack A CBA Bottom View BE8B00F01013C BE8B00F01021C AFV CBA Top View AFV CBA Bottom View BE6800F01091 Power SW CBA Top View C BE8B00F01013B Power SW CBA Bottom View C Comparison Chart...

Page 52: ...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 the A...

Page 53: ...IO L 1V 0 5ms WF8 WF9 SPDIF 1V 0 1 s Pin 8 of CN1601 Pin 10 of CN1601 Pin 12 of CN1601 Pin 14 of CN1601 Pin 16 of CN1601 NOTE Input COLOR BAR SIGNAL WITH 1KHz AUDIO SIGNAL DVD AUDIO R 1V 0 5ms V OUT E...

Page 54: ...IIC BUS SDA 9 9 EV 3 3V 1 1 DVD OPEN CLOSE 2 2 CN502 CN051 CN051A CL051A CL052A JW002 JW003 JW004 CL051B CL052B POWER SUPPLY CBA JUNCTION CBA 1 AL 44V 2 GND 3 AL 12V 4 GND 5 AL 5V 5 AL 5V 6 GND 7 AL...

Page 55: ...E GND B DVD P ON 5V CD DVD D A C F GND LD DETECTOR FS TS 7 9 11 2 3 6 5 4 CN601 EV 1 2V 4 EV 1 2V 5 EV 3 3V 6 EV 3 3V 7 EV 3 3V 8 DVD P ON 3 3V 9 DVD P ON 5V 10 EV 11V 12 EV 11V 11 GND 13 GND 14 GND...

Page 56: ...6 OUT H A SW Video Head Amp Switching Pulse H L 17 IN H A COMP Head Amp Comparator Signal H L 18 OUT RF SW Video Head Switching Pulse H L 19 OUT Hi Fi H SW HiFi Audio Head Switching Pulse H L 20 NU No...

Page 57: ...vel 66 OUT C POW SW Capstan Power Switching Signal H L 67 OUT P ON H Power On Signal at High H 68 OUT DRV DATA VFD Driver IC Control Data H L 69 OUT DRV STB VFD Driver IC Chip Select Signal H L 70 OUT...

Page 58: ...98 AMPVcc AMPVcc 99 AVcc A D Converter Power Input Standard Voltage Input 100 IN AGC IF AGC Comparator Signal A D Pin No Mark IN OUT Signal Name Function Active Level Pin No IN OUT Signal Name Name F...

Page 59: ...BR24L02F WE2 CAT24WC02WI TE13 B1 E B2 C1 C2 FMG4A T148 RN1511 TE85R F KRC103S RTK P KTC3875S Y RTK P KTC3879 Y RTK P C B E 8 5 4 1 MM1636XWRE 2SA1015 GR TE2 F T 2SA1020 Y TE6 F M 2SA1815 BL GR Y TE2 F...

Page 60: ...012 2L054 2B55 B Main CBA JW004 Power Supply CBA Junction CBA 2L021 F1001 A B A A3 A7 2B5 2L012 2L041 2L041 2L041 2L041 2L041 2L041 A2 2L041 2L041 2B18 2B16 A22 A22 See Electrical Parts List for parts...

Page 61: ...05PEX Packing S1 A14 X4 Unit S3 S2 S2 S2 X5 S7 S9 Some Ref Numbers are not in sequence X20A X20B X20 X22 X2 X3 X1 A C B A C Comparison Chart of Models and Marks Model Mark DPVR 7630D DCVR 7830D DBVR 7...

Page 62: ...2B40 PARTITION PLATE E8B00ED 1VM424064 2B54 PLATE GROUND RCA H9700ED 0VM306867 2B55 PLATE GROUND 21P H9700ED 0VM416444 2L011 SCREW P TIGHT M3X8 BIND HEAD GBJP3080 2L012 SCREW S TIGHT M3X6 BIND HEAD GB...

Page 63: ...0 1 F 25V CHD1EZ30F104 C114 CHIP CERAMIC CAP 1608 B K 1000pF 50V CHD1JK30B102 C116 CHIP CERAMIC CAP B K 2200pF 50V CHD1JK30B222 C117 ELECTROLYTIC CAP 1 F 50V M or CE1JMASDL1R0 ELECTROLYTIC CAP 1 F 50V...

Page 64: ...F 6 3V H7 CE0KMAVSM101 C336 CHIP CERAMIC CAP CH J 220pF 50V CHD1JJ3CH221 Ref No Mark Description Part No C337 CHIP CERAMIC CAP 1608 F Z 0 1 F 50V or CHD1JZ30F104 CHIP CERAMIC CAP 1608 F Z 0 1 F 25V CH...

Page 65: ...AP 22 F 10V H7 CE1AMAVSM220 C464 CHIP CERAMIC CAP 1608 B K 0 01 F 50V CHD1JK30B103 C465 ELECTROLYTIC CAP 10 F 16V M H7 or CE1CMAVSL100 Ref No Mark Description Part No ALUMINUM ELECTROLYTIC CAP 10 F 16...

Page 66: ...8 B K 0 01 F 50V CHD1JK30B103 Ref No Mark Description Part No C548 CHIP CERAMIC CAP 1608 F Z 0 1 F 50V or CHD1JZ30F104 CHIP CERAMIC CAP 1608 F Z 0 1 F 25V CHD1EZ30F104 C549 ELECTROLYTIC CAP 1 F 50V M...

Page 67: ...F104 CHIP CERAMIC CAP 1608 F Z 0 1 F 25V CHD1EZ30F104 Ref No Mark Description Part No CONNECTORS CN051 242 SERIES CONNECTOR 224202117W1 J322C17TG001 CN701 A AFV PCB ASSEMBLY H990PED H990PAFV CN701 B A...

Page 68: ...LLAXKATTUR47 L1351 INDUCTOR 100 H K LAP02TA101K LLAXKATTU101 L1521 CHOKE COIL 47 H or LLBD00PKV022 RADIAL TYPE CHOKE COIL CW68 470K 841040NP or LLBD00PKV023 CHOKE COIL 47 H K or LLBD00PKT001 FIXED IN...

Page 69: ...RES CHIP 1608 1 10W J 10k RRXA103YF002 R124 CARBON RES 1 6W J 4 7k or RCX6JATZ0472 CARBON RES 1 4W J 4 7k RCX4JATZ0472 Ref No Mark Description Part No R127 CHIP RES 1 10W J 6 8k or RRXAJR5Z0682 RES CH...

Page 70: ...002 R456 CHIP RES 1 10W J 39k or RRXAJR5Z0393 RES CHIP 1608 1 10W J 39k RRXA393YF002 Ref No Mark Description Part No R457 CHIP RES 1 10W J 5 6k or RRXAJR5Z0562 RES CHIP 1608 1 10W J 5 6k RRXA562YF002...

Page 71: ...1608 1 10W J 10k RRXA103YF002 R577 CHIP RES 1 10W J 1 5k or RRXAJR5Z0152 Ref No Mark Description Part No RES CHIP 1608 1 10W J 1 5k RRXA152YF002 R578 CHIP RES 1 10W J 1k or RRXAJR5Z0102 RES CHIP 1608...

Page 72: ...RXAZR5Z0000 RES CHIP 1608 1 10W J 0 RRXA000YF002 R1224 CHIP RES 1608 1 10W 0 or RRXAZR5Z0000 Ref No Mark Description Part No RES CHIP 1608 1 10W J 0 RRXA000YF002 R1227 CHIP RES 1 10W J 220 or RRXAJR5Z...

Page 73: ...2 4 LF B110 or JXEL040LY003 S TYPE JACK DIN 425 01 JXEL040YUQ01 JW006 FFC CABLE 27P FFC P1 00 260 WX1E8B00 103 JW007 FFC CABLE 18P FFC P1 00 170 WX1E8B00 102 RM2001 REMOTE RECEIVER MIM 93M6DKF or USE...

Page 74: ...FIER DIODE 1N4005 NDWZ001N4005 D1004 RECTIFIER DIODE 1N4005 or NDQZ001N4005 RECTIFIER DIODE 1N4005 NDWZ001N4005 D1006 SWITCHING DIODE 1N4148M or NDTZ01N4148M SWITCHING DIODE 1SS133 T 77 QDTZ001SS133 D...

Page 75: ...16H 1 6A 250V PAGH20BHV162 FH1001 FUSE HOLDER MSF 015 LF B110 or XH01Z00LY002 FUSE HOLDER DFH 001 XH01Z00RP001 FH1002 FUSE HOLDER MSF 015 LF B110 or XH01Z00LY002 FUSE HOLDER DFH 001 XH01Z00RP001 T0011...

Page 76: ...RAMIC CAP 1608 F Z 0 1 F 25V CHD1EZ30F104 C20 ELECTROLYTIC CAP 3 3 F 50V M H7 or CE1JMASSL3R3 ALUMINUM ELECTROLYTIC CAP 3 3 F 50V H7 CE1JMASSM3R3 C21 CHIP CERAMIC CAP 1608 F Z 0 1 F 50V or CHD1JZ30F10...

Page 77: ...DPVR 7630D DCVR 7830D DBVR 7730D E8B05ED 06FD 30BD 2006 05 16...

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