NEO dvd-ht 750 free download

File name SERVICE MANUAL FOR DVD-HT750 OF NEO.pdf

MTK1379 SOLUTION MODEL: DVD-HT750 DVD/VCD/CD/MP3 RECEIVER CONTENTS 1. PRECAUTIONS-------------------------------------------------------------------------------------------------------------------- 1 1-1 SAFETY PRECAUTIONS ---------------------------------------------------------------------------------------------------------- 1 1-2 SERVICING PRECAUTIONS ------------------------------------------------------------------------------------------------------ 2 1-2-1 General Serving Precautions -------------------------------------------------------------------------------------------- 2 1-2-2 Insulation Checking Procedure------------------------------------------------------------------------------------------ 3 1-3 ESD PRECAUTIONS ------------------------------------------------------------------------------------------------------------- 3 2. REFERENCE INFORMATION ------------------------------------------------------------------------------------------------ 4 2-1 COMPONENT DESCRIPTIONS --------------------------------------------------------------------------------------------------- 4 2-1-1 DVD SANYO HD60 PUH ------------------------------------------------------------------------------------------------ 4 2-1-2 DVD Processor Chip (MTK1379) and Front-end IC MT1336------------------------------------------------------ 6 2-1-3 28-Pin, 24-Bit, 192kHz D/A with Volume Control (DA1196) ----------------------------------------------------15 2-1-4 Serial EEPROM, 16K (2048 x 8) (24C16)----------------------------------------------------------------------------17 2-1-5 8M-BIT [1Mx8/512Kx16] CMOS FLASH MEMORY ---------------------------------------------------------------18 2-1-6 512K X 16 Bit X 2 Banks Synchronous DRAM (A43L0616) -------------------------------------------------------20 3. PRODUCT SPECIFICATIONS------------------------------------------------------------------------------------------------23 4.UPGRADING SYSTEM AND CHANGING THE REGION CODE----------------------------------------------------24 5. OPERATING INSTRUCTION-------------------------------------------------------------------------------------------------25 MAINTENANCE & TROUBLESHOOTING ------------------------------------------------------------------------------------------26 6.DISASSEMBLY AND REASSEMBLY----------------------------------------------------------------------------------------28 7.TROUBLESHOOTING ----------------------------------------------------------------------------------------------------------30 8. ELECTRICAL PART LIST-----------------------------------------------------------------------------------------------------31 9. BLOCK DIAGRAM --------------------------------------------------------------------------------------------------------------38 10. CIRCUIT DIAGRAMS---------------------------------------------------------------------------------------------------------40 11. WIRING DIAGRAM------------------------------------------------------------------