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Polar Electro DV-1010 Service Manual
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Polar Electro DV-1010 Service Manual

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SERVICE MANUAL
DVD PLAYER
POLAR DV-1010, DV-1510,
DV-2010
(For MTK)
Page 1

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Summary of Contents for Polar Electro DV-1010

  • Page 1 SERVICE MANUAL DVD PLAYER POLAR DV-1010, DV-1510, DV-2010 (For MTK) Page 1...
  • Page 2 Contents Front cover ................01-01 Contents.................. 02-02 Block diagrams for the DVD player ........03-08 Major functions of the IC of the DVD player ......15-15 Maintenance procedures for the DVD player ......16-23 Page 2...
  • Page 3 Block diagram for the operating principle of the DVD decoding board Interface of the laser RF preamplification +3.3V, +5V and ±12V stabilized power head circuit supplies provided by the power board Digital servo processor Focusing coil Disc tray ingress and Control decoding single-chip egress controller microcomputer MT1379...
  • Page 4 Block diagram for the power supply part of the DVD player ~220V Power switch control Switch tube IEA1522 Switch transformer Switch tube control. Filter by the filter capacitor after diode rectification. 3.3V -12V Faceplate power supply Page 4...
  • Page 5 Block diagram for the faceplate part of the DVD player Signals DATA, STB and AC 3.3V, +5V, -25V from power BCK of decoding board board output VFD screen VFD display drive Matrix circuit button Faceplate button Page 5...
  • Page 6 Block diagram for the karaoke part of the DVD player Microphone input VOLUME CONTROL OF THE Preamplifier 4558 MICROPHONE AF amplifier Two-channel output AF signal Page 6...
  • Page 7 Diagram of the servo mechanism of the DVD player Compact Disc Laser beam Focusing servo: makes the focus match the information side of a CD Focusing Laser tube Tracking servo: makes the light adjustment Object Principal axis motor beam track the sound track. lens Feeding servo: moves the Tracking...
  • Page 8 Major functions of the IC feet EJS7928 interface figure MT1336E function: RF single preamplifier. MT1379 function: digital signal processor; central processing; MPEG decoding, VF coder. 5954 function: drive chip. WM8746; audio D/A converter; KM16x256K function: random dynamic processor. 29F800T function: flash memory (FLASH). Other ICs: 16312 function: IC faceplate function control.
  • Page 9 Maintenance procedure for the power supply part is as follows: No reaction when the machine is Check the voltage of the power turned on, then check if the supply. external voltage complies with the requirements. Replace it with a new safety fuse of Open the casing to check if the the same model (note: the power plug safety fuse is all right.
  • Page 10 Maintain using the maintenance Check if the output standard voltage method adopted for the power of the switch transformer is normal supply card. or not. Check if the output plug board of Insert the power terminal in the power supply has been inserted place.
  • Page 11 Maintenance procedure for the AF part: Insert a corresponding AF signal line and then use a testing disc to test the sound. Adjust the sound volume to a Set again according to the disc. moderate position and then open the menu AF output to check if it is correctly set or not.
  • Page 12 Maintenance procedure for the VF part is as follows: Check if there is any image output or not. Check the power supply of the Check if the voltage of the power board is decoding board. There are two normal or not. If there is no voltage, then voltages: one +5V voltage for check the power supply part.
  • Page 13 Maintenance procedure for the servo part of the decoding board is as follows: No Disc. Check if the CD is displayed after Open the machine casing to check the machine is powered for 1 hour. if there is any fog on the laser head. Check if the focusing action of the Check the +5V power supply for laser head is normal or not after...
  • Page 14 Maintenance procedure for the front control panel is as follows: Check if Test if the three data lines DATA, BCK the three data lines DATA, BCK and STB are working normally or not and and STB on the decoding board are working if the power supply voltage is normal or normally or not.
  • Page 15 Maintenance procedure for the karaoke part is as follows: No sound from the microphone Turn the volume knob according to Check if the volume knob is turned the explanation. off or not. Check the MIC port is in good Replace the MIC seat. contact or not.
  • Page 16 MIC601 FBSMT E602 R603 E607 4.7u/25 E603 4.7u/25 L602 4.7u/25 IC2A IC1A 4558 PHONEJACK STEREO SW 4558 VR601 R614 R605 C603 R602 103P R611 R613 4.7K R609 102P R607 C605 47P 100P C608 C607 R612 E605 4.7K VR602 MIC602 FBSMT E601 R604 L601...
  • Page 17 COMMON79_KHM280_V1 INDEX & POWER, RESET RF / SERVO & MPEG - MT1336E / MT1379E MEMORY - SDRAM, FLASH/EEPROM 4.AUDIO-CS4340&WM8746&AV2188 AV FILTER. NAME TYPE DEVICE NAME TYPE Digital 5V SUPPLY Digital Ground RVCC Servo 5V MT1336E SGND Servo Analog Ground AVCC RF 5V PICKUP HEADER AGND...
  • Page 18 D V33 VC C O U T D V33 C B11 C B12 C B13 C B14 C B15 C B16 C B17 C B18 G N D 0. 1uF 0. 1uF 0. 1uF 0. 1uF 0. 1uF 0. 1uF 0.
  • Page 19 D Q 0 R D Q 0 [ 3 ] D C LK D C LK D Q 1 R D Q 1 [ 3 ] D C KE D C KE D Q 2 R D Q 2 D Q 3 R D Q 3 [ 3 ] C AS#...
  • Page 20 +P5V +P5V +P12V VC C A_D VD D R 51 R 34 R 35 C B56 +C 53 AC LK SAC LK R 45 10, 0805 100U ALR C K SLR C K R 46 D V33 0. 1u D V33 ABC K SBC LK R 47...
  • Page 21 R 56 100 C B59 0. 1u C O AXI AL ASPD I F COAXIAL D AC _M R R 57 C 59 [ 5 ] D AC _M R D AC _M L R 53 SPDIF [ 5 ] D AC _M L 330p M I C AD C _I N...
  • Page 22 MT1336/76+MT1379 with sony Slim khm280 PUH. AVC C LD O _AVC C R 139 0, 0805 AVC C R 140 R , 0805 FB, 0805 NO STUFF R VC C R 141 R VC C I N 0, 0805 R VC C R 142 R , 0805 FB, 0805...
  • Page 23 FR107 T103 220U/16V 4.7/1W IN4007 IN4007 47K/1W D104 D102 -21V 9.1V 103/1KV -21V FR107 56/1W 100U/50V IN4007 1N4007 CON5 +12V D101 D103 FR157 FB 3.5*4.7 FR107 220U/25V -12V FR107 220U/25V +12V D+5V 1N4148 1N5401 1N5401 SR560 CON4 2A/15uH T101 3.3V TEA1523P 1000u/10V +3.3V...
  • Page 24 Соответствие модулей MPEG-декодера модели DVD-плеера. Номер прошивки FLASH-памяти Модель DVD-плеера. SS008 DV-1010 SS007 DV-1015 SS006 DV-1020 Замена загрузчика дисков в DVD-проигрывателях Polar моделей DV 1010/1015/1020. Приборы и Приспособление и Наименование и содержание операции оборудование инструмент Взять из тары загрузчик (6) и положить на...
  • Page 25 антистатического браслета и с паяльником без заземления жала во избежание выхода из строя оптической системы загрузчика!

This manual is also suitable for:

Dv-1510Dv-2010