FUNAI DR-C3835 Service Manual
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FUNAI DR-C3835 Service Manual

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SERVICE MANUAL
DVD RECORDER
DR-C3835
DR-B3737

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  • Page 1 SERVICE MANUAL DVD RECORDER DR-C3835 DR-B3737...

  • 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 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 Removal This flowchart indicates the disassembly steps to gain Remove/*Unhook/ Loc. Part Fig. Unlock/Release/ Note access to item(s) to be serviced. When reassembling, Unplug/Desolder follow the steps in reverse order. Bend, route, and dress the cables as they were originally. [13] AFV CBA D6 Desolder ↓...
  • Page 12 [8] FAN COVER (S-7) [2] FRONT FAN EARTH ASSEMBLY [9] FAN (L-1) [10] REAR PANEL (S-9) (S-10) (L-1) (S-8) (L-1) (L-2) Fig. D2 CN1601 Fig. D5 (S-2) (S-2) [3] DVD MECHANISM & DVD MAIN CBA [13] AFV CBA ASSEMBLY (S-11) [12] JACK CBA CN101 (S-11)
  • Page 13 3. How to Eject Manually Note: 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 until the tray descends. 3.

  • Page 14: 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 15: 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 16: 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 17 (error number: 1 to 39) is displayed on the recording menu after timer recording. (Once the screen of the program line is exited, the program line for the error will be cleared.) (No Error Message is displayed for the error No. 40 ~ 42.) Exsampl: DR-C3835 Timer Programming The speed mode changes to the error number.

  • Page 18: Block Diagrams

    BLOCK DIAGRAMS System Control Block Diagram E7B22BLS 1-9-1...
  • Page 19 Digital Signal Process Block Diagram E7B22BLD 1-9-2...
  • Page 20 Video Block Diagram E7B22BLV 1-9-3...
  • Page 21 Audio Block Diagram E7B22BLA 1-9-4...
  • Page 22 Power Supply Block Diagram E7B22BLP 1-9-5...

  • Page 23: 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 24 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 25 DVD Main 1/5 Schematic Diagram 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. 1-10-3 E7B22SCD1...
  • Page 26 DVD Main 2/5 Schematic Diagram 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. 1-10-4 E7B22SCD2...
  • Page 27 DVD Main 3/5 Schematic Diagram 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. 1-10-5 E7B22SCD3...
  • Page 28 DVD Main 4/5 Schematic Diagram 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. 1-10-6 E7B22SCD4...
  • Page 29 DVD Main 5/5 Schematic Diagram 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. 1-10-7 E7B22SCD5...
  • Page 30 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 R3112N191A-TR-FA PST3619NR IC1502 /R3112N191A-TR-FB /BU4219G-TR C1507 0.015 Comparison Chart of Models and Marks MODEL MARK DR-C3835 DR-B3737 1-10-8 E7B22SCAV1...
  • Page 31 AV 2/5 Schematic Diagram FL1501 MATRIX CHART P.SCAN VCD VCR REPEAT VCD VCR XP SP LP EP REPEAT P.SCAN 1-10-9 E7B22SCAV2...
  • Page 32 AV 3/5 Schematic Diagram Comparison Chart of Models and Marks MODEL MARK DR-C3835 DR-B3737 1-10-10 E7B22SCAV3...
  • Page 33 AV 4/5 Schematic Diagram E7B22SCAV4 1-10-11...
  • Page 34 AV 5/5 Schematic Diagram 1-10-12 E7B22SCAV5...
  • Page 35 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 36 AFV Schematic Diagram Comparison Chart of Models and Marks MODEL MARK DR-C3835 DR-B3737 1-10-14 E7B22SCAFV...
  • Page 37 Jack Schematic Diagram SW Schematic Diagram E7B22SCJ E7B22SCSW 1-10-15...
  • Page 38 AV CBA Top View 1-10-16 BE7B00F01011A...
  • Page 39 AV CBA Bottom View PIN 28 OF CN1151 PIN 14 OF CN1201 PIN 22 OF CN1201 PIN 24 OF PIN 30 OF CN1201 IC1201 PIN 26 OF CN1201 PIN 28 OF CN1201 1-10-17 BE7B00F01011A...
  • Page 40 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 41 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 42 SW CBA Top View SW CBA Bottom View BE7B00F01011B Jack CBA Top View Jack CBA Bottom View Junction CBA Junction CBA Bottom View Top View BE7B00F01021C BE7B00F01021B 1-10-20...
  • Page 43 AFV CBA Bottom View AFV CBA Top View 1-10-21 BE6800F01091...

  • Page 44: Waveforms

    WAVEFORMS Pin 24 of CN1201 Pin 26 of CN1201 VIDEO-Y 0.2V 20µsec VIDEO-Cr 0.2V 20µsec Pin 22 of CN1201 Pin 14 of CN1201 VIDEO-C 0.2V 20µsec AUDIO(L)-OUT 0.5ms Pin 30 of IC1201 Pin 28 of CN1151 VIDEO-CVBS 0.5V 20µsec SPDIF 0.1µsec Pin 28 of CN1201 NOTE:...

  • Page 45: Wiring Diagram

    WIRING DIAGRAM FCS(+) FOCUS FCS(-) ACTUATOR TRK(+) TRACKING TRK(-) ACTUATOR TILT(+) TILT TILT(-) ACTUATOR FPD-VOUT FPD-VC FPD-VCC FPD-VSW RF(-) RF(+) PD-SW JW002 SUB-RXD SUB-TXD PD-VCC SYS-RESET PD-VC SUB-SCLK VCC1 VCC2 VIDEO-C-IN VIDEO-Y/CVBS-IN 10 IINR AUDIO+5V IINW DVD-AUDIO-MUTE 12 IINE DVD-LD AUDIO(L)-OUT 14 HFSW ENABLE...

  • Page 46: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS Comparison Chart of Models and Marks Signal Mark Function Name Model Mark DR-C3835 Power Regulator OUT 1V2CONT DR-B3737 Control Signal IN REMOTE Remote Signal Input N.U. Not Used IC1501 (SUB MICRO CONTROLLER) Ready/Busy Signal communication Control...
  • Page 47 Signal Mark Function Name N.U. Not Used N.U. Not Used AVss AVSS (GND) Fan Motor Lock IN FAN-LOCK Detection IF AGC Comparator IN AGC Signal Input Signal from Pin 8 IN SC2-IN of SCART2 IC1503 (VFD DRIVER) Signal Function Name IN CLK Serial Clock IN STB...

  • Page 48: Lead Identifications

    LEAD IDENTIFICATIONS KRC103M-AT/P 2SA1015-GR(TE2 F T) PQ070XF01SZH KTA-1266-GR-AT/P 2SA966-Y(TE6 F M) KTA1267-(GR,Y)-AT/P 2SC1815-(BL,GR,Y)(TE2 F T) KTA1273-Y-AT/P 2SC2001-T-A-(K,L) KTC3199-(BL,GR,Y)-AT/P 2SC2120-Y(TE2 F T) 2SC3266-(GR,Y)(TPE2 F) KTC3203-Y-AT/P KTC3266-(GR,Y)-AT/P 1 2 3 4 E C B E C B EL817(A,B) KIA4558P/P BU4219G-TR SSM3K15F(TE85L F) 2SK3566 LTV-817B-F RC4580IP...

  • Page 49: Exploded Views

    EXPLODED VIEWS Cabinet See Electrical Parts List for parts with this mark. 2B15 Some Ref. Numbers are 2L021 FM1001 not in sequence. 2L021 2L021 2L012 2L013 2L021 2L081 2L021 SW CBA 2L081 DVD MECHANISM & DVD 2L011 2L021 MAIN CBA ASSEMBLY AV CBA 2L019 2L011...
  • Page 50 Packing Unit X10D X10A X10B X10C Comparison Chart of Models and Marks Model Mark DR-C3835 DR-B3737 Some Ref. Numbers are not in sequence. 1-15-2 E7B22PEX...

  • Page 51: Mechanical Parts List

    Don't degrade the safety of the product through improper servicing. NOTE: Parts that are not assigned part numbers (---------) are not available. Comparison Chart of Models and Marks Model Mark DR-C3835 DR-B3737 Ref. No. Mark Description Part No. FRONT ASSEMBLY E7B20ED 1VM322437...

  • Page 52: Electrical Parts List

    CHIP CERAMIC CAP .(1608) F Z 0.1µF/ CHD1EZ30F104 Model Mark C1206 CHIP CERAMIC CAP .(1608) F Z 0.1µF/ CHD1JZ30F104 50V or DR-C3835 CHIP CERAMIC CAP .(1608) F Z 0.1µF/ CHD1EZ30F104 DR-B3737 C1207 CHIP CERAMIC CAP .(1608) F Z 0.1µF/ CHD1JZ30F104 DVD MECHANISM & DVD MAIN CBA 50V or CHIP CERAMIC CAP .(1608) F Z 0.1µF/...
  • Page 53 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. C1230 ELECTROLYTIC CAP . 0.47µF/ 50V M or CE1JMASDLR47 C1258 ELECTROLYTIC CAP . 1µF/ 50V M or CE1JMASDL1R0 ELECTROLYTIC CAP . 0.47µF/ 50V M CE1JMASTMR47 ELECTROLYTIC CAP 1µF/ 50V M CE1JMASTM1R0 C1231 ELECTROLYTIC CAP .
  • Page 54 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. C1290 ELECTROLYTIC CAP . 1µF/ 50V M or CE1JMASDL1R0 C1641 CHIP CERAMIC CAP .(1608) CH J 22pF/ CHD1JJ3CH220 ELECTROLYTIC CAP 1µF/ 50V M CE1JMASTM1R0 C1645 CHIP CERAMIC CAP . CH J 27pF/50V CHD1JJ3CH270 C1291 ELECTROLYTIC CAP .
  • Page 55 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CONNECTORS ZENER DIODE MTZJT-7711A QDTA00MTZJ11 D1807 ZENER DIODE DZ-11BSAT265 or NDTA00DZ11BS CN1152 242 SERIES CONNECTOR J322C15TG001 224202115W1 ZENER DIODE MTZJT-7711A QDTA00MTZJ11 CN1601 PH CONNECTOR (WHITE) TOP 2P B2B- J3PHC02JG017 D1808 ZENER DIODE DZ-11BSAT265 or...
  • Page 56 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. TRANSISTOR 2SC2120-Y(TE2 F T) QQSY2SC2120F TRANSISTOR 2SC1815-GR(TE2 F T) QQS12SC1815F Q1159 TRANSISTOR KTC3199-Y-AT/P or NQSYKTC3199P Q1807 TRANSISTOR KTC3199-Y-AT/P or NQSYKTC3199P TRANSISTOR KTC3199-GR-AT/P or NQS4KTC3199P TRANSISTOR KTC3199-GR-AT/P or NQS4KTC3199P TRANSISTOR 2SC1815-Y(TE2 F T) or QQSY2SC1815F TRANSISTOR 2SC1815-Y(TE2 F T) or...
  • Page 57 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CHIP RES. 1/10W F 120 Ω CHIP RES. 1/10W J 10k Ω RRXAFR5Z1200 R1504 RRXAJR5Z0103 CHIP RES. 1/10W F 1.5k Ω or CHIP RES. 1/10W J 10k Ω R1192 RRXAFR5H1501 R1505...
  • Page 58 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CARBON RES. 1/4W J 3.3k Ω RCX4JATZ0332 JK1202 RCA JACK(WHITE) MTJ-032-05B- JXRL010LY136 22(B110) CARBON RES. 1/6W J 2.2k Ω or R1707 RCX6JATZ0222 JK1203 RCA JACK(RED) MTJ-032-05A-21(B110) JYRL010LY029 CARBON RES. 1/4W J 2.2k Ω RCX4JATZ0222 JK1204 PIN JACK 2P MSD-242V-01 NI FE LF...
  • Page 59 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. TACT SWITCH SKQSAB or SST0101AL038 ALUMINUM ELECTROLYTIC CAP CE0KMZPTM472 4700µF/ 6.3V M TACT SWITCH TC-1104(H=5.0) SST0101DNG02 C1115 CHIP CERAMIC CAP .(1608) B K 0.01µF/ CHD1JK30B103 SW3008 TACT SWITCH KSM0612B or SST0101HH003 TACT SWITCH SKQSAB or SST0101AL038...
  • Page 60 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. L1005 BEAD CORE B16 RH 3.5X10X1.3 XL03010XM001 FUSE 50T016H 1.6A/250V PAGH20BHV162 L1101 POWER INDUCTORS TWKBNP-150K or LLC150KKV007 FH1001 FUSE HOLDER MSF-015 LF (B110) or XH01Z00LY002 CHOKE COIL(15µH) LHL10NB150K or LLARKGQTU150 FUSE HOLDER DFH-001 XH01Z00RP001...
  • Page 61 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. TRANSISTOR KTC3199-GR-AT/P or NQS4KTC3199P CHIP CERAMIC CAP .(1608) F Z 0.1µF/ CHD1EZ30F104 TRANSISTOR 2SC1815-Y(TE2 F T) or QQSY2SC1815F ELECTROLYTIC CAP . 3.3µF/ 50V M H7 or CE1JMASSL3R3 TRANSISTOR 2SC1815-GR(TE2 F T) QQS12SC1815F ALUMINUM ELECTROLYTIC CAP 3.3µF/ CE1JMASSM3R3...
  • Page 62 DR-C3835/DR-B3737 E7B22FD/E7B25BD 2006-04-28...

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