Magnavox DP170MS8 Service Manual
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Magnavox DP170MS8 Service Manual

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SERVICE MANUAL
DVD PLAYER
DP170MS8
STANDBY-ON
PREV
PLAY
NEXT
STOP
OPEN/CLOSE

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Summary of Contents for Magnavox DP170MS8

  • Page 1 SERVICE MANUAL DVD PLAYER DP170MS8 STANDBY-ON PREV PLAY NEXT STOP OPEN/CLOSE...

  • Page 2: Table Of Contents

    IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai and described in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.

  • Page 3: Specifications

    SPECIFICATIONS Item Conditions Unit Nominal Limit 75 Ω load 1. Video Output ± 0.1 75 Ω load 2. Coaxial Digital Out mVpp ± 50 3. Audio (PCM) 3-1. Output Level 1 kHz, 0 dB Vrms 3-2. S/N 3-3. Freq. Response fs = 48 kHz, 20 Hz ~ 22 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 Also check areas surrounding repaired locations. J. Be careful that foreign objects (screws, solder Some electrical and mechanical parts have special droplets, etc.) do not remain inside the set. safety-related characteristics which are often not K.
  • Page 6 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, and wires have been returned to their original positions. Afterwards, do the following tests and confirm the specified values to verify compliance with safety standards. 1.

  • Page 7: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder 1. The output pin of the 3 pin Regulator ICs is When soldering, be sure to use the Pb free solder. indicated 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 pin or the solder lands under the IC when all pins of the flat pack-IC.
  • Page 9 2. Installation With Iron Wire: 1. Using desoldering braid, remove the solder from 1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder the foil of each pin of the flat pack-IC on the CBA flux which is applied to all pins of the flat pack-IC, so you can install a replacement flat pack-IC more you can remove it easily.
  • Page 10 Instructions for Handling Semi- conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1 MΩ) that is properly grounded to remove any static electricity that may be charged on the body.

  • Page 11: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart This flowchart indicates the disassembly steps to gain Removal access to item(s) to be serviced. When reassembling, Remove/*Unhook/ follow the steps in reverse order. Bend, route, and Loc. Part Fig. Unlock/Release/ Note dress the cables as they were originally. Unplug/Desolder [1] Top Cover Main PCB...
  • Page 12 Reference Notes 1. CAUTION 1: Locking Tabs (L-1), (L-2) and (L-3) [3] Tray Panel are fragile. Be careful not to break them. 1) Release four Locking Tabs (L-1), then release (L-4) two Locking Tabs (L-2). CN2001 2) Release three Locking Tabs (L-3). 3) Disconnect connector CN2001, then remove the Front Unit.
  • Page 13 (S-7) (S-7) [5] Reinforce [6] Rear Panel Plate (S-5) (S-2) (S-4) (S-2) (S-3) (S-3) [8] DVD Mechanism Fig. D4 Fig. D6 [9] AV CBA [7] DVD Main CBA Unit (S-6) (S-8) CN601 CN201 CN301 (S-9) CN401 Fig. D7 Short the three short lands by soldering. (Either of two places.) View for A FPC Cable...
  • Page 14 (S-10) [10] Plate Holder (S-11) [11] Main PCB Holder Fig. D8 3. How to Eject Manually 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.

  • Page 15: How To Initialize The Dvd Player

    HOW TO INITIALIZE THE DVD PLAYER To put the program back at the factory-default, initialize the DVD player as the following procedure. 1. Press [1], [2], [3], [4], and [DISPLAY] buttons on the remote control unit in that order. Fig. a appears on the screen. "...

  • Page 16: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE 1. Turn the power on and remove the disc on the tray. The appearance shown in (*1) of Fig. c is described as follows: 2. To put the DVD player into version up mode, press [9], [8], [7], [6], and [SEARCH] buttons on the Appearance State remote control unit in that order.
  • Page 17 10. Press [CLEAR] button on the remote control unit. Fig. h appears on the screen. " ******* " differs depending on the models. MODEL : ******* Version : *.** Region : * EEPROM CLEAR : OK EEPROM CLEAR : CLEAR EXIT: POWER Fig.

  • Page 18: Block Diagrams

    BLOCK DIAGRAMS System Control / Servo Block Diagram 1-8-1 E6E71BLS...
  • Page 19 Digital Signal Process Block Diagram 1-8-2 E6E71BLD...
  • Page 20 Video / Audio Block Diagram E6E71BLV 1-8-3...
  • Page 21 Power Supply Block Diagram 1-8-4 E6E71BLP...

  • Page 22: 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 23 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. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE. RISK OF FIRE-REPLACE FUSE AS MARKED.
  • Page 24 DVD Main 1/4 Schematic Diagram 1 NOTE: Either IC461 or IC462 is used for DVD MAIN CBA UNIT. 1-9-3 E6E71SCD1...
  • Page 25 DVD Main 2/4 Schematic Diagram 1-9-4 E6E71SCD2...
  • Page 26 DVD Main 3/4 Schematic Diagram 1-9-5 E6E71SCD3...
  • Page 27 DVD Main 4/4 Schematic Diagram 1-9-6 E6E71SCD4...
  • Page 28 AV 1/3 Schematic Diagram CAUTION ! For continued protection against fire hazard, CAUTION ! replace only with the same type fuse. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. NOTE: ATTENTION : Pour une protection continue les risqes If Main Fuse (F1001) is blown , check to see that all components in the power supply The voltage for parts in hot circuit is measured using d'Incele n'utiliser que des fusible de même type.
  • Page 29 AV 2/3 Schematic Diagram 1-9-8 E6E71SCAV2...
  • Page 30 AV 3/3 & Function Schematic Diagram FL2001 MATRIX CHART SACD PSCAN REPEAT SACD REPEAT TITLE GROUP PSCAN HD VCD GROUP TITLE E6E71SCAV3 1-9-9...
  • Page 31 AV CBA Top View CAUTION ! NOTE: CAUTION ! For continued protection against fire hazard, The voltage for parts in hot circuit is measured using Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. replace only with the same type fuse. hot GND as a common terminal.
  • Page 32 AV CBA Bottom View CAUTION ! NOTE: CAUTION ! For continued protection against fire hazard, The voltage for parts in hot circuit is measured using Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. replace only with the same type fuse. hot GND as a common terminal.
  • Page 33 Function CBA Top View Function CBA Bottom View 1-9-12 BE6E20F01012-B...

  • Page 34: Waveforms

    WAVEFORMS Pin 8 of CN1601 Pin 14 of CN1601 AUDIO(R) 0.5V 0.5ms VIDEO-Y 0.2V 20µs Pin 10 of CN1601 Pin 16 of CN1601 VIDEO-C 0.2V 20µs SPDIF 0.1µs C1402 PLUS LEAD NOTE: Input DVD: COLOR BAR SIGNAL (WITH 1KHz AUDIO SIGNAL) (WF1~WF6) VIDEO-CVBS 0.5V...

  • Page 35: Wiring Diagram

    WIRING DIAGRAM P-ON+5V 20 CD/DVD 19 D 18 A 17 C 16 B 15 NU 14 VREF 13 NU 12 GND 11 CD-LD 10 GND(LD) 9 I/P-SW DVD-LD 8 VIDEO-Cr/Pr PD-MONI 7 GND(DVD-PD) 6 VIDEO-Cb/Pb 6 GND(CD-PD) 5 TS(-) 4 VIDEO-Y(I/P) FS(-) 3 FS(+) 2...

  • Page 36: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS Tray Close ~ Play / Play ~ Tray Open Tray Disc Disc Tray Play Close Rotation Stop Open 3.3V Tray IN (TL221) Sled Drive 1.65V (TP303) Disc Drive 1.65V (TP301) 1.65V Focus Drive (TP304) Tracking Drive 1.65V (TP302) 1-12-1...

  • Page 37: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS IC2001 (FRONT PANEL CONTROL) Signal Function Name IN FP-CLK Clock Input IN FP-STB Serial Interface Strobe IN K1 Key Data 1 Input IN K2 Key Data 2 Input Power Supply Segment Output / Key OUT a / KEY-1 Source-1 Segment Output / Key OUT b / KEY-2...

  • Page 38: Lead Identifications

    LEAD IDENTIFICATIONS KTA1267-Y-AT/P KTA1266-Y-AT/P 2SK3498 KTC3199-GR-AT/P KTC3203-Y-AT/P KTC3205-Y-AT/P KRA110M-AT/P KRC103M-AT/P G D S E C B E C B KIA4558P/P MM1637XVBE PT6313-S-TP(L) PS2561A-1(W) TL432A-TA UTC1117YA 1: GND Note: 2: Vout A: Anode 1: A 3: Vin 1 2 3 K: Cathode 2: K 1: R 3: E...

  • Page 39: Exploded Views

    EXPLODED VIEWS Cabinet 2L011 2L011 2L011 2L081 2L081 2L011 2L021 2L021 2L021 2L011 2L105 JK1404 AC1001 JK1202 JK1401 F1001 2L021 2L051 2B38 2L031 DVD Main CBA Unit 2L032 Function CBA AV CBA See Electrical Parts List for parts with this mark. 2L071 Some Ref.
  • Page 40 Packing Unit 1-15-2 E6E71PEX...

  • Page 41: Mechanical Parts List

    MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing.

  • Page 42: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C1047 POLYESTER FILM CAP . (PB FREE) 0.022µF/ CA2A223DT018 100V J Before replacing any of these components, read C1048 ELECTROLYTIC CAP .
  • Page 43 Ref. No. Description Part No. Ref. No. Description Part No. D1005 RECTIFIER DIODE 1N4005 NDQZ001N4005 Q1201 TRANSISTOR KTC3199-GR-AT/P NQS4KTC3199P D1007 ZENER DIODE MTZJT-7722B QDTB00MTZJ22 Q1202 TRANSISTOR KTC3199-GR-AT/P NQS4KTC3199P D1008 SCHOTTKY BARRIER DIODE SB340 NDQZ000SB340 Q1204 TRANSISTOR KTA1266-Y-AT/P NQSYKTA1266P D1009 RECTIFIER DIODE FR202-B/P NDQZ000FR202 Q1351 TRANSISTOR KTC3199-GR-AT/P...
  • Page 44 FUNCTION CBA Ref. No. Description Part No. CHIP RES. 1/10W J 100k Ω R1222 RRXAJR5Z0104 Ref. No. Description Part No. CHIP RES. 1/10W J 470 Ω R1223 RRXAJR5Z0471 FUNCTION CBA ---------- CHIP RES. 1/10W J 470 Ω R1224 RRXAJR5Z0471 Consists of the following: CHIP RES.
  • Page 45 Misuse of any trademarks or any other content in this manual is strictly prohibited. Funai shall aggressively enforce its intellectual property rights to the fullest extent of the law. DP170MS8 E6E71UD 2007-03-28...

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