Magnavox 19MDTR20 Service Manual

Also see for 19MDTR17: Features

Contents

1-10-9Digital Signal Process Block DiagramT0102BLD149C 16D 18A 17B 15E 14F 12DVD-LD 8CD-LD 10PD-MONI 7FS(+) 2FS(-) 3TS(+) 1TS(-) 4CN201CN201CN201IC201(SW)IC503 (SDRAM) IC101 (MICRO CONTROLLER)FSFS(+)CD/DVDFS(-)TS(+)TS(-)TSPICK-UPUNITDETECTORCD/DVD 19Q251,Q252CD DVDAMPQ253,Q254AMP41 36GND(DVD-PD) 6GND(CD-PD) 5GND(LD) 9TO DVD SYSTEMCONTROL/SERVOBLOCK DIAGRAMRFSIGNALPROCESSCIRCUITDVD/CDFORMATTERAUDIOI/FVIDEOI/FNTSC/PALENCODERDMABCUINST.ROM 32BITCPUDATARAMINTERRUPTCONTROLLERWATCH DOGTIMERCPUI/FTIMERDECODERI/FCPUI/FREADMEMORYDATARAMDSPDECODERI/OPROCESSORINST.ROMDATARAMINST.ROMSERIALD/AGENERALI/OINTERRUPTCONTROLLERTIMERWATCH DOGTIMERREMOTECONTROL32BIT CPUSTREAMI/FEXTERNALMEMORYI/FSDRAMECCUMAC11411511611713213113413312913012612412512383DEBUGBCUINSTRAMDATARAMD/ATOTV PROCESSBLOCKDIAGRAMSECTION>CN2158YCCN2ATO DVDAUDIOBLOCKDIAGRAM177 SPDIF170 PCM-BCK171 PCM-DATA169 PCM-LRCLK23~51SDRAM DATA(0-15)SDRAM ADDRESS(0-11)SDRAM ADDRESS(0-11)217238 ~118252256 ~~2134253 ~~IC103 (FLASH ROM)FLASHROM29363845 ~~DVD MAIN CBA UNIT22262935 ~~FDQ (0-15)~19162548 ~192~212FADR (0-19)SDRAM DATA(0-15)1 DVD-Y3 DVD-CDATA(VIDEO/AUDIO) SIGNAL DVD VIDEO SIGNAL DATA(AUDIO) SIGNAL“ “ = SMDNOTE FOR WIRE CONNECTORS:1. PREFIX SYMBOL "CN" MEANS CONNECTOR.(CAN DISCONNECT AND RECONNECT.)2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDERHOLES OF THE PCB.(WIRE IS SOLDERED DIRECTLY.)