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NEO DVD-HT750 Service Manual

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Contents
  1. Table Of Contents
  2. PRECAUTIONS
  3. S ERVICING P RECAUTIONS
  4. Insulation Checking Procedure
  5. REFERENCE INFORMATION
  6. block diagram
  7. DVD Processor Chip (MTK1379) and Front-end IC MT1336
  8. Pin, 24-Bit, 192kHz D/A with Volume Control (DA1196)
  9. Serial EEPROM, 16K (2048 x 8) (24C16)
  10. M-BIT [1Mx8/512Kx16] CMOS FLASH MEMORY
  11. K X 16 Bit X 2 Banks Synchronous DRAM (A43L0616)
  12. PRODUCT SPECIFICATIONS
  13. UPGRADING SYSTEM AND CHANGING THE REGION CODE
  14. OPERATING INSTRUCTION
  15. M AINTENANCE & T ROUBLESHOOTING
  16. problems and solutions
  17. DISASSEMBLY AND REASSEMBLY
  18. TROUBLESHOOTING
  19. ELECTRICAL PART LIST
  20. BLOCK DIAGRAM
  21. CIRCUIT DIAGRAMS
  22. power part
  23. WIRING DIAGRAM
NEO DVD-HT750 Service Manual Manual pdf 17 page image
15128,118 WAGND GND Wobble GND5 AVDDO Power Power for RF output8 AGNDO GND GND for RF output14 AVDDT Power Power for trimming PAD12 AGNDT GND GND for trimming PAD22 VDDP Power Peak Detection Power31 GNDP GND Peak Detection GND37,54 VDD Power Serial I/O Power39,57 GND GND Serial I/O GNDREFERENCE VOLTAGE16 VREFO Analog output Reference voltage 1.4V15 V2REFO Analog output Reference voltage 2.8V17 V20 Analog output Reference voltage 2.0VALPC TRIMMING9 TM1 Analog input Trimming pin for ALPC110 TM2 Analog input Trimming pin for ALPC111 TM3 Analog input Trimming pin for ALPC213 TM4 Analog input Trimming pin for ALPC2HIGH SPEED TRACK COUNTING29 TRLP Analog Low-pass filter capacitor connecting28 TRLPA Analog Low-pass filter capacitor connecting30 HTRC Digital output High speed track counting digital outputPCS74 HALLSIN Analog input Negative input of amplifier for hall sensor signal75 REFSIN Analog input Positive input of amplifier for hall sensor signal76 SINPHI Analog output Amplifier output for hall sensor signal71 HALLCOS Analog input Negative input of amplifier for hall sensor signal72 REFCOS Analog input Positive input of amplifier for hall sensor signal70 COSPHI Analog output Amplifier output for hall sensor signalFOR MONITOR ONLY81 MON Analog output80 MOP Analog output66 VCON Analog output77 SWO Analog output Output from mux of SW1 & SW278 SW2 Analog input External input for servo input select79 SW1 Analog input External input for servo input selectFOR SERIAL I/O42 IO043 IO144 IO245 IO346 IO447 IO548 IO649 IO750 IO851 IO952 IOA53 IOB2-1-3 28-Pin, 24-Bit, 192kHz D/A with Volume Control (DA1196)DescriptionDA1196 is a digital to analog converter especially designed to work with MPEG2/AC3 decoded dataIn applications such as DVD player, home theatre, set-top box, and digital TV, etc . DA1196 integrated6 DA channels providing customers a solution of both simplicity and excellent performance.
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