Memorex MVDP1085-BLW - 8.4" - Widescreen Portable DVD Player Service Manual

Memorex MVDP1085-BLW - 8.4" - Widescreen Portable DVD Player Service Manual

8 tft display portable dvd player

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8 TFT DISPLAY PORTABLE DVD PLAYER
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MVDP1085-FLRP
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CONTENTS
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Summary of Contents for Memorex MVDP1085-BLW - 8.4" - Widescreen Portable DVD Player

  • Page 1: Table Of Contents

    MVDP1085-FLRP 8 TFT DISPLAY PORTABLE DVD PLAYER CONTENTS Page ..............................2 PECIFICATIONS ..............................3 LOCK IAGRAM ..........................4 ISASSEMBLY NSTRUCTIONS ..............................5 AFETY HECKS ............................6 ROUBLESHOOTING ..........................8 RINTED IRCUIT OARDS ............................12 IRING IAGRAM .............................. 14 XPLODED ..........................15 ECHANICAL ARTS ..........................
  • Page 2: Specifications

    SPECIFICATIONS Audio Section : DC Power input = 12V Line Output : Load = 47 Kohm; Test Disc: DVD=A-Bex TDV-500 Item Parameter Limits Conditions R ch 1400 ±200 mV 1 kHz / 0 dB Output Level L ch S/N Ratio A-Weighted 70 dB 1 kHz / 0 dB W/WTD JIS...
  • Page 3: Block Diagram

    BLOCK DIAGRAM...
  • Page 4: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS Top view of battery pack Bottom view of main unit Bottom view of battery pack Disassembling Cabinet : Undo A, B, C screws as indicated Install / Detach the battery pack Follow the illustrations to install the battery pack. Press the release button at the right side of battery pack, follow the direction to uninstall the battery pack from the unit.
  • Page 5: Safety Checks

    SAFETY CHECKS Important Note!!! Do the following safety checks after servicing this unit. 1. Remove all the externally connected test equipment and wires before testing the unit. 2. Use the safety test circuit as shown below. 3. Plug the power cord or unit to be tested into the test receptacle. 4.
  • Page 6: Troubleshooting

    TROUBLESHOOTING Symptom Possible Cause Possible Solution General No power. Battery pack is empty. Recharge battery pack. Power on, but unit not functioning Condensation has formed. Unplug the unit and wait about one to properly. two hours to allow the player to dry. Wrong type of disc inserted.
  • Page 7: Troubleshooting

    TROUBLESHOOTING Symptom Possible Cause Possible Solution The unit does not start DVD not inserted, or inserted Insert DVD correctly. playback. upside-down. A non-playback disc is inserted. Make sure to insert a DVD; “DVD VIDEO” will appear in the display. The disc is not placed in the guide. Place the disc on the disc tray correctly inside the guide.
  • Page 8: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS MPEG board (Top view) Panel connector board (Top view)
  • Page 9 MPEG board (Bottom view) Panel connector board (Bottom view)
  • Page 10 DC Jack board (Top view) Panel switch board Key board (Top view) Key board (Bottom view) SCREEN MODE DISPLAY MODE STOP MENU SETUP MEP1721 KEY BOARD P/N : 010E-1721000-22 94HB 1.6mm REV: 1.0 DATA: 2007.3.13 PLAY/ SKIP- PAUSE SKIP+ SW10 RIGHT LEFT SW11...
  • Page 11 Charge board (Top view) Charge board (Bottom view) Battery board (Top view) Battery board (Bottom view) Led Back Light board (Top view) Led Back Light board (Bottom view)
  • Page 12: Wiring Diagram

    WIRING DIAGRAM SPEAKER SPEAKER PANEL CONNECTOR (RIGHT) (LEFT) P/N: 0101-002601-02200 P/N.: 076E-0021070-00 P/N.: 076E-0021070-00 2 Pin #28 UL1571 L=3/70/3mm 2 Pin #28 UL1571 L=3/70/3mm P/N.: 1641-104090-40000 TFT Display LCD Panel 4 Pin #28 UL1571 L=90mm LED BACK LIGHT PCB P/N: 0101-002602-02200 Battery Rechargeable DC JACK BOARD P/N.:...
  • Page 13: Exploded View

    EXPLODED VIEW...
  • Page 14: Mechanical Parts List

    MECHANICAL PARTS LIST Ref. No. Description Mfr's Part No. Top Cabinet MEP1761-05 Moulded Pink "Memorex" RoHS 3011-002601-00004 Cushion Eva 8 x 7 x 2.5mm Black Double Side w/Nitto500 Tape RoHS 0381-100807-25000 Screw 1.7 x 6 KH/ST RoHS 0431-017061-20001 MEP1721 Wheel-Upper Pink RoHS...
  • Page 15: M Echanical P Arts L Ist

    MECHANICAL PARTS LIST - CONTINUED Ref. No. Description Mfr's Part No. MEP1761 OK Button Bracket Pink RoHS 082E-1021731-08 MEP1761-05 OK Button RoHS 082E-5001731-16 MEP1731 Function Button (Square_4x) Electro Plating Silver RoHS 082E-1001731-12 Leaf Switch KFC-P01-09-RS RoHS 0261-020109-00000 MEP1731 DVD Door Opening Stopper Pink Gloss RoHS 082E-1021731-17 MEP1761 DVD Door Shaft Bracket Pink RoHS 082E-1021731-04...
  • Page 16: Electrical Parts List

    ELECTRICAL PARTS LIST Main board ass’y Ref. No. Description Mfr’s Part No. Ceramic Chip Capacitor 0.1 µF ±10% 50V 0603 (LF) 0141-010409-51500 Electrolytic Capacitor 47 µF 16V ±20% 6.3 x 5 mm (LF) 0171-147606-20700 Ceramic Chip Capacitor 0.1 µF ±10% 50V 0603 (LF) 0141-010409-51500 Electrolytic Capacitor 220 µF 16V 6.3 x 7 mm (LF) C3,4...
  • Page 17: E Lectrical P Arts L Ist

    ELECTRICAL PARTS LIST - CONTINUED Ref. No. Description Mfr’s Part No. Ceramic Chip Capacitor 0.1 µF ±10% 50V 0603 (LF) 0141-010409-51500 Ceramic Chip Capacitor 10 µF +80/-20% 10V 0805 (LF) 0141-010603-82500 Ceramic Capacitor SMD 270 pF 16V ±5% NPO 0603 RoHS 0141-027106-41200 Ceramic Chip Capacitor 0.0068 µF ±10% 50V 0603 (LF) 0141-068209-51500...
  • Page 18 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Description Mfr’s Part No. Ceramic Chip Capacitor 0.1 µF ±10% 50V 0603 (LF) CB80 0141-010409-51500 Ceramic Chip Capacitor 10 µF +80/-20% 10V 0805 (LF) 0141-010603-82500 Electrolytic Capacitor SS 47 µF 16V 20% 85C Rad 5 x 7mm RoHS CE2,3 0171-147606-20400 Electrolytic Capacitor 100 µF 16V ±20% 6.3 x 5 mm (LF)
  • Page 19 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Description Mfr’s Part No. Inductor SMD 10 µH 1.2A 5 x 4 SCD0504T-100M-N RoHS 0111-010004-10801 Line Choke SMD 15 µH 1.8A ±20% SCD0705T-150M-N RoHS 0111-015004-19900 Ferrite Bead SMD 0805 600 ohm/100 MHz RoHS 0111-560113-10201 Inductor SMD 47 µH/0.73AN SCD0504T 4 x 5 RoHS...
  • Page 20 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Description Mfr’s Part No. Resistor Chip Fixed 100 K 1/16W ±5% 0603 (LF) 0221-301040-41200 Resistor Chip Fixed 750 K 1/16W ±5% 0603 (LF) 0221-307540-41200 Resistor Chip Fixed 6.8 ohm 1/16W ±5% 0603 (LF) 0221-306890-41200 Resistor Chip Fixed 100 K 1/16W ±5% 0603 (LF) 0221-301040-41200...
  • Page 21 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Description Mfr’s Part No. Resistor Chip Fixed 47 K 1/16W ±5% 0603 (LF) 0221-304730-41200 Resistor Chip Fixed 4.7 K 1/16W ±5% 0603 (LF) R100 0221-304720-41200 Chip Resistor 0603 150 ohm 0.06W ±1% RoHS R101 0221-315000-33200 R102...
  • Page 22 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Description Mfr’s Part No. Resistor Chip Fixed 75 ohm 1/16W ±5% 0603 (LF) R178 0221-307500-41200 Resistor Chip Fixed 0 ohm 1/16W ±5% 0603 (LF) R179 0221-300000-41200 R180 Ferrite Bead SMD 0603 600 ohm /100 MHz (LF) 0111-560113-10101 R181-183 Ferrite Bead SMD 0603 1 K /100 MHz PBY160808T-102Y-N RoHS...
  • Page 23 ELECTRICAL PARTS LIST - CONTINUED Charge board Ref. No. Description Mfr’s Part No. Electrolytic Capacitor 47 µF 16V ±20% 6.3 x 5 mm (LF) 0171-147606-20700 Ceramic Chip Capacitor 0.1 µF ±10% 50V 0603 (LF) 0141-010409-51500 Electrolytic Capacitor 47 µF 16V ±20% 6.3 x 5 mm (LF) 0171-147606-20700 Ceramic Chip Capacitor 0.1 µF ±10% 50V 0603 (LF) C4,5...
  • Page 24 ELECTRICAL PARTS LIST - CONTINUED TFT Connector board Ref. No. Description Mfr’s Part No. Ceramic Chip Capacitor 15 pF NPO ±5% 50V 0603 (LF) 0141-015009-41200 Ceramic Chip Capacitor 0.1 µF ±10% 50V 0603 (LF) 0141-010409-51500 Ceramic Chip Capacitor 22 pF NPO ±5% 50V 0603 (LF) C3-5 0141-022009-41200 Ceramic Chip Capacitor 0.1 µF ±10% 50V 0603 (LF)
  • Page 25 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Description Mfr’s Part No. Resistor Chip Fixed 10 K 1/16W ±5% 0603 (LF) 0221-301030-41200 IC RT9166-33PVL SOT-23 RoHS 0191-609166-10000 IC D4556 SOP8 RoHS 0191-104556-10000 Key board Ref. No. Description Mfr’s Part No. For J9 Housing 6 Pin #30 1571 P=1.25 mm L=120/3.5 mm RoHS 1641-006120-40000 PCB MEP1721 Key Board 94HB 1.6 mm RoHS...
  • Page 26: Ic Lead Identification And Internal Diagram

    IC LEAD IDENTIFICATION AND INTERNAL DIAGRAM MT1389P AGND DACVSSC DVDA CVBS(Y) DVDB DACVDDB DVDC DACVSSB DVDD DACVDDA DVDRFIP DACVSSA HSTR HSTL SC/TNI SD/TPI MDI1 DVSS18 MDI2 LDO2 LDO1 SVDD3 DVDD18 CSO/RFOP VSTU RFLVL/RFON VSTD SGND GPIO100 V2REFO DVDD33 GPIO101 VREFO GPIO102 GPIO103 SD_D3...
  • Page 27 MP2259 Current sense Amplifier RSEN 25Mohm Regulator Regulator Oscillator Driver 1.4 MHz Current Limit Comparator Reference 27pF 400Kohm Error Comparator Amplifier K4S641632 DQ15 VDDQ VssQ DQ14 DQ13 VSSQ VDDQ DQ12 D5954 DQ11 VDDQ VssQ DQ10 VOTK+ 15 VOFC+ VOTK- 16 VOFC- VSSQ VDDQ...
  • Page 28 TU24C02 2048 bit EEPROM array 8bit 7bit Start Address Slave/word Data 7bit decorder Address register register Start Stop Control Circuit High-voltage Power supply generator Voltage detector RT9284 1.2MHz OSC Current Bias ibias 750mA Logic Band Gap V REF Protection Circuit Buffer UVLO V REF...
  • Page 29 RT9166 VOUT Current Error Amp Limiting Sensor Thermal Shutdown 1.2V Reference D4556 RT9166 OUT 1 1 -IN 1 2 OUT 2 RT9166 +IN 1 3 - IN 2 Vee 4 + IN 2 VOUT 8MS29AL008D DQ0-DQ15 (A-1) RY/BY# Sector Switches Input / Output Erase Voltage RESET#...
  • Page 30 ATtiny13 8-Bit Databus Calibrated Stack Internal Watchdog Pointer Oscillator Oscillator Watchdog Timing and Sram Timer Control MCU Control Program Register Counter MCU Status Register Program Flash Timer/ Counter0 Instruction General Interrupt Register Purpose Logic Registers Programming Instruction Logic Decoder Data Control EEprom Lines...
  • Page 31: Schematic Diagram

    SCHEMATIC DIAGRAMS MPEG board Notes : All resistance values are indicated in “ohms” (K=1000 ohms, M=1000 Kohms). All capacitance values are indicated in “µF” (p=10 -6 µF)
  • Page 32 SCHEMATIC DIAGRAMS - CONTINUED Power board Notes : All resistance values are indicated in “ohms” (K=1000 ohms, M=1000 Kohms). All capacitance values are indicated in “µF” (p=10 -6 µF)
  • Page 33 SCHEMATIC DIAGRAMS - CONTINUED Sdram & Flash & EEprom board Notes : All resistance values are indicated in “ohms” (K=1000 ohms, M=1000 Kohms). All capacitance values are indicated in “µF” (p=10 -6 µF)
  • Page 34 SCHEMATIC DIAGRAMS - CONTINUED Video & TFT out board Notes : All resistance values are indicated in “ohms” (K=1000 ohms, M=1000 Kohms). All capacitance values are indicated in “µF” (p=10 -6 µF)
  • Page 35 SCHEMATIC DIAGRAMS - CONTINUED Audio output board Notes : All resistance values are indicated in “ohms” (K=1000 ohms, M=1000 Kohms). All capacitance values are indicated in “µF” (p=10 -6 µF)
  • Page 36 SCHEMATIC DIAGRAMS - CONTINUED SD & USB I/F board Notes : 1. All resistance values are indicated in “ohms” (K=1000 ohms, M=1000 Kohms). µF) 4. All capacitance values are indicated in “µF” (p=10...
  • Page 37 SCHEMATIC DIAGRAMS - CONTINUED Panel connector board Notes : 1. All resistance values are indicated in “ohms” (K=1000 ohms, M=1000 Kohms). µF) 5. All capacitance values are indicated in “µF” (p=10...
  • Page 38 SCHEMATIC DIAGRAMS - CONTINUED Led back light board Notes : 1. All resistance values are indicated in “ohms” (K=1000 ohms, M=1000 Kohms). µF) All capacitance values are indicated in “µF” (p=10...
  • Page 39 SCHEMATIC DIAGRAMS - CONTINUED Key board Notes : 1. All resistance values are indicated in “ohms” (K=1000 ohms, M=1000 Kohms). µF) 2. All capacitance values are indicated in “µF” (p=10...
  • Page 40 SCHEMATIC DIAGRAMS - CONTINUED Charge board Notes : 1. All resistance values are indicated in “ohms” (K=1000 ohms, M=1000 Kohms). µF) 2. All capacitance values are indicated in “µF” (p=10...

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