Magnavox 19MDTR20 Service Manual

Also see for 19MDTR17: Features

Contents

Audio Block DiagramBLOCK DIAGRAM FOR SECTION 2 (DECK MECHANISM)MAIN CBAPOWER SUPPLY / AV CBAPB-AUDIO SIGNAL DVD AUDIO SIGNALREC-AUDIO SIGNAL1-5-5IC1401TD857BLA1-5-6BIASOSCQ1872P-ON+5VP-ON+5VQ1871Q1873Q1874Q1875(AUDIO PROCESS)N-A-INN-A-OUT TP1802NA-IN-YCAAUDIOHEADAC HEAD ASSEMBLYA-COMA-PB/RECCL1402CN1804CN2803AUDIOERASEHEADAE-HAE-H/FE-H12FE-HFE-H GNDFULLERASEHEADCN14034312FE HEAD UNIT RECAMP7 986AUTOBIAS99LINEAMP MUTE 96PRALC7112D-REC-HD-REC-HEXT-HA-MUTEEXT-HFROM SERVO/SYSTEMCONTROL BLOCK47811WF7WF8FROM/TO SERVO/SYSTEMCONTROL BLOCK31EQAMP100SP/LP-ON2IC1802(OUTPUT SELECT)IC2201(OP AMP)JK1801HEADPHONEJACKSPEAKERR-CHCN1802CN1805SP1802FROM/TOHi-Fi AUDIOBLOCKFROM DVDAUDIO BLOCKCN601FROMHi-Fi AUDIOBLOCKSW CTL.Q2204Q1803CN2401Q2202JK2201DIGITALA-OUT(COXIAL)A-OUT(L)A-OUT(R)A-OUT(R)A-OUT(L)211213 1415111062 17Q2205BUFFERIC1801(AUDIO AMP)DC VOL.52 1276Q220776807 DVD-A-MUTE1 SPDIF4 DVD-A(R)6 DVD-A(L)8 8DVD-A(R)7 7DVD-A(L)11 11JACK-MUTE10 10DVD-A-MUTE5 5JACK-OUT(R)4 4JACK-OUT(L)FUNCTION CBASPEAKERL-CHCN2801CN2805SP2801SP-R 1SP-GND 2SP-L 1SP-GND 22 2SP-LDVD-A-MUTECL1802CL2801FROM SERVO/SYSTEMCONTROL BLOCKVOL-CONTQ1212DVD-HJACK-MUTEAL+5VWF19WF20DATA(AUDIO) SIGNALNOTE 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.)TEST POINT INFORMATION:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.:USED TO INDICATE A TEST POINT WITH NO TEST PIN.:USED TO INDICATE A TEST POINT WITH A TEST PIN.