FUNAI DR-D2831 Service Manual
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FUNAI DR-D2831 Service Manual

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SERVICE MANUAL
DVD RECORDER
DR-D2831

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Summary of Contents for FUNAI DR-D2831

  • Page 1 SERVICE MANUAL DVD RECORDER DR-D2831...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Specifications ................1-1-1 Laser Beam Safety Precautions .

  • Page 3: Specifications

    SPECIFICATIONS Item Conditions Unit Nominal Limit 1. VIDEO 75 Ω load 1-1. Video Output Vp-p 1-2. S-Video Output 75 Ω load Y (Luminance) Vp-p 75 Ω load C (Chrominance) Vp-p 2. AUDIO 2-1. Output Level Vrms 2-2. Frequency Response DVD-VIDEO LPCM fs = 96 kHz 20 - 44 k fs = 48 kHz...

  • Page 4: Laser Beam Safety Precautions

    LASER BEAM SAFETY PRECAUTIONS This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30 cm away from the pickup lens when the diode is turned on.

  • Page 5: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Product Safety Notice K. Crimp type wire connector The power transformer uses crimp type connectors Some electrical and mechanical parts have special which connect the power cord and the primary side safety-related characteristics which are often not evi- of the transformer.
  • Page 6 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, Chassis or Secondary Conductor parts, and wires have been returned to their original positions. Afterwards, do the following tests and con- Primary Circuit Terminals firm the specified values to verify compliance with safety standards.

  • Page 7: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder When soldering, be sure to use the Pb free solder. 1. The output pin of the 3 pin Regulator ICs is indi- cated as shown. How to Remove / Install Flat Pack-IC Top View Bottom View 1.
  • Page 8 3. The flat pack-IC on the CBA is affixed with glue, so With Soldering Iron: be careful not to break or damage the foil of each (1) Using desoldering braid, remove the solder from all pin or the solder lands under the IC when removing pins of the flat pack-IC.
  • Page 9 2. Installation (4) Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply (1) Using desoldering braid, remove the solder from soldering iron to center of the flat pack-IC and heat the foil of each pin of the flat pack-IC on the CBA up.
  • Page 10 Instructions for Handling Semi-conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electro- static charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1MΩ) that is prop- erly grounded to remove any static electricity that may be charged on the body.

  • Page 11: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart 2. Disassembly Method This flowchart indicates the disassembly steps to gain Removal access to item(s) to be serviced. When reassembling, Remove/*Unhook/ Loc. Part follow the steps in reverse order. Bend, route, and Fig. Unlock/Release/ Note dress the cables as they were originally.
  • Page 12 [6] Power Supply CBA (S-5) [1] Top Cover (S-4) (S-1) [4] SW CBA (S-1) Desolder (S-6) (S-3) [5] PCB CN1201 Holder (S-1) [7] Power Holder Fig. D4 Fig. D1 [8] Fan Cover (S-7) Fan Earth [2] Front [9] Fan [10] Rear Panel Assembly (L-1) (S-9)
  • Page 13 3. How to Eject Manually < Method 1 > Note: When servicing, do not touch white resin part as shown below. When rotating the gear, 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. View for A Do not touch! Rotate this gear in...
  • Page 14 < Method 2 > Note: When servicing, do not touch white resin part 4. Release the other side of two Locking Tabs, and as shown below. remove the Clamper Assembly. 1. Remove the Top Cover, the Front Assembly and the DVD Mechanism & DVD Main CBA Assembly. Clamper Assembly Then, remove the DVD Mechanism Unit.

  • Page 15: How To Initialize The Dvd Recorder

    HOW TO INITIALIZE THE DVD RECORDER To put the program back at the factory-default, initialize the DVD recorder as the following procedure. 1. Turn the DVD recorder on. 2. Confirm that no disc is loaded or that the disc tray is open.

  • Page 16: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE 1. Turn the power on and remove the disc on the tray. 4. Select the firmware version pressing arrow buttons, then press [ENTER]. 2. To put the DVD recorder into version up mode, Fig. d appears on the screen and Fig. e appears press [CM SKIP], [6], [5], and [4] buttons on the on the VFD.
  • Page 17 5. After updating is finished, the tray opens automatically. Fig. f appears on the screen and Fig. g appears on the VFD. * Firmware Version differs depending on the models, and this indication is one example. Firm Update Mode ver. R2E3030S2S R2E3030S2S B/E Firmware Update End...

  • Page 18: Function Indicator Symbols

    FUNCTION INDICATOR SYMBOLS Note: If an error occurs, a message with the error number appears on the screen. Recording Error Error message You cannot record on this disc as Power Calibration Area is full. Error No. Error Message Solution Error Description Priority An error occurs during data reading.
  • Page 19 Error Message Solution Error Description Priority Release the disc protect This disc is protected and not setting in the Disc Setting Disc Protected Disc. recordable. menu. Disc is full. Insert the recordable disc with There is no it in a space field. (No area for new recording) enough recording space.

  • Page 20: Block Diagrams

    BLOCK DIAGRAMS System Control Block Diagram E68C9BLS 1-9-1...
  • Page 21 Digital Signal Process Block Diagram E68C9BLD 1-9-2...
  • Page 22 Video Input Select Block Diagram E68C9BLVIS 1-9-3...
  • Page 23 Video Output Select Block Diagram E68C9BLVOS 1-9-4...
  • Page 24 Audio Block Diagram E68C9BLA 1-9-5...
  • Page 25 Power Supply Block Diagram E68C9BLP 1-9-6...

  • Page 26: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes WARNING Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.
  • Page 27 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F1001) is blown, first 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.
  • Page 28 DVD Main 1/6 Schematic Diagram 1-10-3 E68C9SCD1...
  • Page 29 DVD Main 2/6 Schematic Diagram 1-10-4 E68C9SCD2...
  • Page 30 DVD Main 3/6 Schematic Diagram 1-10-5 E68C9SCD3...
  • Page 31 DVD Main 4/6 Schematic Diagram NOTE: 1. The order of pins shown in this diagram is different from that of actual IC601. 2. IC601 is divided into six and shown as IC601 (1/6) ~ IC601 (6/6) in this DVD Main Schematic Diagram Section. 1-10-6 E68C9SCD4...
  • Page 32 DVD Main 5/6 Schematic Diagram NOTE: 1. The order of pins shown in this diagram is different from that of actual IC601. 2. IC601 is divided into six and shown as IC601 (1/6) ~ IC601 (6/6) in this DVD Main Schematic Diagram Section. 1-10-7 E68C9SCD5...
  • Page 33 DVD Main 6/6 Schematic Diagram NOTE: 1. The order of pins shown in this diagram is different from that of actual IC601. 2. IC601 is divided into six and shown as IC601 (1/6) ~ IC601 (6/6) in this DVD Main Schematic Diagram Section. 1-10-8 E68C9SCD6...
  • Page 34 AV 1/6 Schematic Diagram *1 NOTE These components (IC1206, C1225) 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 Group B is shown below. Group A Group B IC1206...
  • Page 35 AV 2/6 Schematic Diagram FL1203 MATRIX CHART P.SCAN VCD VCR REPEAT VCD VCR XP SP LP EP REPEAT P.SCAN 1-10-10 E68C9SCAV2...
  • Page 36 AV 3/6 Schematic Diagram 1-10-11 E68C9SCAV3...
  • Page 37 AV 4/6 Schematic Diagram E68C9SCAV4 1-10-12...
  • Page 38 AV 5/6 Schematic Diagram 1-10-13 E68C9SCAV5...
  • Page 39 AV 6/6 Schematic Diagram 1-10-14 E68C9SCAV6...
  • Page 40 Power supply & Junction Schematic Diagram CAUTION ! CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. NOTE: For continued protection against fire hazard, The voltage for parts in hot circuit is measured using If Main Fuse (F1001) is blown , check to see that all components in the power supply hot GND as a common terminal.
  • Page 41 AFV Schematic Diagram 1-10-16 E68C9SCAFV...
  • Page 42 Jack Schematic Diagram SW Schematic Diagram E68C9SCJ E68C9SCSW 1-10-17...
  • Page 43 AV CBA Top View 1-10-18 BE6800F01013A...
  • Page 44 AV CBA Bottom View C1407 PLUS LEAD PIN 1 OF CN1203 PIN 1 OF CN1204 PIN 3 OF CN1204 PIN 5 OF CN1204 PIN 7 OF CN1204 PIN 9 OF CN1204 PIN 17 OF CN1204 1-10-19 BE6800F01013A...
  • Page 45 Power supply CBA Top View CAUTION ! Because a hot chassis ground is present in the power CAUTION ! supply circut, an isolation transformer must be used. For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. replace only with the same type fuse.
  • Page 46 Power supply CBA Bottom View Because a hot chassis ground is present in the power CAUTION ! CAUTION ! supply circut, an isolation transformer must be used. For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. Also, in order to have the ability to increase the input replace only with the same type fuse.
  • Page 47 SW CBA Top View SW CBA Bottom View BE6800F01013B Jack CBA Top View Jack CBA Bottom View Junction CBA Junction CBA Bottom View Top View BE6800F01024C BE6800F01024B 1-10-22...
  • Page 48 AFV CBA Bottom View AFV CBA Top View 1-10-23 BE6800F01091...

  • Page 49: Waveforms

    WAVEFORMS NOTE: Input: COLOR BAR SIGNAL (WITH 1KHz AUDIO SIGNAL) Pin 1 of CN1204 Pin 5 of CN1204 VIDEO-Y 0.2V 20µsec VIDEO-B 0.2V 20µsec Pin 9 of CN1204 Pin 3 of CN1204 VIDEO-C 0.2V 20µsec VIDEO-R 0.2V 20µsec C1407 PLUS LEAD Pin 17 of CN1204 VIDEO-CVBS 0.5V...

  • Page 50: Wiring Diagram

    WIRING DIAGRAM FCS(+) FOCUS FCS(-) ACTUATOR TRK(+) TRACKING TRK(-) ACTUATOR TILT(+) TILT TILT(-) ACTUATOR THERMO FPD-SW VC-FPD VCC1 VC-PD RF(+) JW002 RF(-) VIDEO-Y VIDEO-R VIDEO-B VCC2 VIDEO-G IIN3 IIN2 VIDEO-C IIN1 AUDIO(R)-IN 11 XOUTEN3 AUDIO(L)-IN XOUTEN2 AUDIO(R)-OUT 15 OSCEN LDEN2 AUDIO(L)-OUT 17 LDEN1 DVD-AUDIO-MUTE 19...

  • Page 51: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS IC1207 (Sub Micon) Signal Function Name Signal Function Name SUB-SDA Serial Data IN KEY-1 Key Data Input 1 34 OUT SUB-SCL Serial Clock IN KEY-2 Key Data Input 2 Not Used IN POW-SAF Abnormal Voltage Detection Not Used IN AFT Tuner Voltage Input Signal...
  • Page 52 IC1205 (VFD DRIVER) Signal Function Name IN CLK Serial Clock IN STB Serial Interface Strobe Not Used Not Used Power Supply Segment Output Pull Down Level 16 OUT i Segment Output Grid Output Power Supply IN OSC Oscillator Input Not Used IN DIN Serial Data Input 1-13-2...

  • Page 53: Lead Identifications

    LEAD IDENTIFICATIONS 2SA1175(F,H,J) 2SC1815-BL(TPE2) KTC3203(Y) 2SC2785(F,H,J) 2SC1815-GR(TPE2) KTC3203-Y-AT/P BA1F4M-T 2SC1815-BL(TE2 F T) 2SA966(Y) KRC103M-AT/P 2SC1815-GR(TE2 F T) 2SA966-Y(TE6 F M) KRC103M 2SC1815-Y(TE2 F T) 2SA1015-GR(TE2 F T) KTA1267(GR,Y) 2SC1815-Y(TPE2) 2SA1015-GR(TPE2) KTC3199(BL,GR,Y) 2SC2120-Y(TPE2) KTA1267-GR-AT/P 2SC2120-Y(TE2 F T) KTA1267Y-AT/P 2SC3266-(GR,Y)(TPE2 F) KTC3199-(BL,GR,Y)-AT/P 2SC3266-(GR,Y)(TPE2) KTC3193(Y) KTC3266-GR-AT/P...

  • Page 54: Exploded Views

    EXPLODED VIEWS Cabinet 2B15 2L021 FM1001 2L021 2L021 2L012 2L021 2L021 2L081 2L011 SW CBA See Electrical Parts List for parts with this mark. 2L019 Some Ref. Numbers are 2L011 not in sequence. 2L021 Power Supply CBA 2L081 2L081 Jack CBA 2B11 2L031 2B12...
  • Page 55 Packing Unit X10A X10B X10C X10D X10E X10F X10G Some Ref. Numbers are not in sequence. 1-15-2 E68C9PEX...

  • Page 56: Mechanical Parts List

    MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. ! have special characteristics important to safety. X10D! OWNERS MANUAL(HU) E68C9ED 1VMN21471 Before replacing any of these components, read X10E! OWNERS MANUAL(CZ) E68C9ED 1VMN21472 carefully the product safety notice in this service X10F! OWNERS MANUAL(SL) E68C9ED 1VMN21473...

  • Page 57: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. ! have special characteristics important to safety. CHIP CERAMIC CAP .(1608) F Z 0.1µF/25V or CHD1EZ30F104 Before replacing any of these components, read CHIP CERAMIC CAP . FZ Z 0.1µF/50V CHD1JZ3FZ104 carefully the product safety notice in this service If C1225 is 0.015µF, then IC1206 is BU4219G-TR, R3112N191A-TR-FA or...
  • Page 58 Ref. No. Description Part No. Ref. No. Description Part No. CHIP CERAMIC CAP .(1608) F Z 0.1µF/25V or CHD1EZ30F104 ELECTROLYTIC CAP . 10µF/16V M CE1CMASTL100 CHIP CERAMIC CAP . FZ Z 0.1µF/50V CHD1JZ3FZ104 C1345 ELECTROLYTIC CAP . 10µF/16V M or CE1CMASDL100 C1270 ELECTROLYTIC CAP .
  • Page 59 Ref. No. Description Part No. Ref. No. Description Part No. CHIP CERAMIC CAP . CG J 22pF/50V CHD1JJ3CG220 CONNECTORS C1400 CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V or CHD1JZ30F104 CN1201 242 SERIES CONNECTOR 224202115W1 or J322C15TG001 CHIP CERAMIC CAP .(1608) F Z 0.1µF/25V or CHD1EZ30F104 CONNECTOR BASE 15P TUC-P15P-B1 J3TUA15TG001...
  • Page 60 Ref. No. Description Part No. Ref. No. Description Part No. C1225 CHIP CERAMIC CAP .(1608) B K 0.1UF/50V CHD1JK30B104 TRANSISTOR KTA1273(Y) or NQSY0KTA1273 IC1207 SYSCON IC MN101C77A FD2 or QSZAC0RMS035 TRANSISTOR 2SA966(Y) QQSY002SA966 SYSCON IC MN101C77A FD1 QSZAB0RMS035 Q1217 TRANSISTOR KTC3199-Y-AT/P or NQSYKTC3199P IC1208 IC(ANALOG SW) CD4052BPWR...
  • Page 61 Ref. No. Description Part No. Ref. No. Description Part No. TRANSISTOR 2SC2785(F) or QQSF02SC2785 TRANSISTOR KTC3199(GR) or NQS10KTC3199 TRANSISTOR KTC3199(Y) or NQSY0KTC3199 TRANSISTOR 2SC1815-Y(TPE2) or QQSY02SC1815 TRANSISTOR KTC3199(GR) or NQS10KTC3199 TRANSISTOR 2SC1815-GR(TPE2) QQS102SC1815 TRANSISTOR 2SC1815-Y(TPE2) or QQSY02SC1815 Q1258 TRANSISTOR KTC3199-Y-AT/P or NQSYKTC3199P TRANSISTOR 2SC1815-GR(TPE2) QQS102SC1815...
  • Page 62 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES. 1/10W J 100 Ω CARBON RES. 1/6W J 6.8k Ω or R1295 RRXAJR5Z0101 R1400 RCX6JATZ0682 CHIP RES.(1608) 1/10W 0 Ω CARBON RES. 1/4W J 6.8k Ω R1299 RRXAZR5Z0000 RCX4JATZ0682 CHIP RES.
  • Page 63 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES.(1608) 1/10W 0 Ω R1535 RRXAZR5Z0000 JK1210 PIN JACK 2P MSD-242V-01 NI FE LF JXRL020LY123 CARBON RES. 1/6W J 30k Ω or R1538 RCX6JATZ0303 JK1211 S TYPE JACK MDC-050V-2.4 LF(B110 or JXEL040LY003 CARBON RES.
  • Page 64 PSV CBA Ref. No. Description Part No. D1009 SWITCHING DIODE 1N4148M or NDTZ01N4148M Ref. No. Description Part No. SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 PSV CBA 1VSA11293 D1010 SWITCHING DIODE 1N4148M or NDTZ01N4148M Consists of the following: SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 POWER SUPPLY CBA (PSV-A) --------- JUNCTION CBA (PSV-B) ---------...
  • Page 65 JUNCTION CBA Ref. No. Description Part No. TRANSISTOR 2SA1175(J) or QQSJ02SA1175 Ref. No. Description Part No. TRANSISTOR 2SA1175(H) or QQSH02SA1175 JUNCTION CBA (PSV-B) --------- TRANSISTOR 2SA1175(F) or QQSF02SA1175 Consists of the following: TRANSISTOR KTA1267(Y) or NQSY0KTA1267 CONNECTORS TRANSISTOR KTA1267(GR) NQS10KTA1267 CN1106 242 SERIES CONNECTOR TUC-P15X-B1 WHT JCTUB15TG002...
  • Page 66 Ref. No. Description Part No. Ref. No. Description Part No. TRANSISTOR 2SC1815-Y(TE2 F T) or QQSY2SC1815F ELECTROLYTIC CAP . 10µF/16V M H7 CE1CMASSL100 TRANSISTOR 2SC1815-GR(TE2 F T) or QQS12SC1815F ELECTROLYTIC CAP . 0.22µF/50V M H7 CE1JMASSLR22 TRANSISTOR 2SC2785(J) or QQSJ02SC2785 CERAMIC CAP .(AX) F Z 0.1µF/50V CCA1JZTFZ104 TRANSISTOR 2SC2785(H) or...
  • Page 67 DR-D2831 E68C9ED 2005-10-27...

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