Magnavox 19MDTR20 Service Manual

Also see for 19MDTR17: Features

Contents

1-10-1 T0102BLSBLOCK DIAGRAMS < TV/VCR Section >System Control / Servo Block DiagramCONTROLHEADCL1402MAIN CBASUB CBARF-SWT-REELDV-SYNCC-SYNC C-SYNCV-ENVCTL(+)D1224 S-LEDD1204 RECD1216 DVDD1217 TV/VCRP-ON+5VREC-LEDKEY0RS1201REMOTESENSORKEY1DVD-LEDTV/VCR-LEDRESETROTAD-REC-H D-REC-HREC-SAFETYAUDIO-MUTESCLREMOTESDAAUDIO-MUTECTL(-)RF-SWDV-SYNCV-ENVROTAIC1201(SERVO/SYSTEM CONTROL)AL+5VAL+5V949580341815101374338446572CTL-AMP-OUTDVD-REMOTE97CTL-AMP-OUTTP1202(DECK ASSEMBLY)T-REELQ1206Q1205RESETTIMER+5VST/SAP-IN4 NORMAL-H2270YCA-SDA 68YCA-CS 69YCA-SCLYCA-SDAYCA-CSSP-MUTE SP-MUTE12YCA-SCLAUDIO-MUTEDVD-MAIN-POWERSW1211RECSAFETYTO VIDEOBLOCK DIAGRAMTO AUDIOBLOCK DIAGRAMTO Hi-Fi AUDIOBLOCK DIAGRAMSCL(MEMORY)SDA65P-DOWN 84P-ON-H P-DOWNP-ON-H31LD-SW1I2C-OPEN 4571AL+5VSW1212LD-SWCS7TO POWERSUPPLY BLOCKDIAGRAMSDASCLTO TV PROCESSBLOCK DIAGRAMIC1202WF3ENV-DET 17V-H-SW ENV-DETV-H-SW16SDASCLHi-Fi-H-SWST/SAP-INNORMAL-HDVD-MAIN-POWERHi-Fi-H-SW 1926221YCA-SDAYCA-CSDVD-AUDIO-MUTE425KEY SWITCHSW1201 SW1203,SW1206 SW12103 3KEY1CN2401CN2503CN1803KEY SWITCHSW2401 SW240814258SDATA812 SDATATO DVD SYSTEMCONTROL/SERVOBLOCK DIAGRAMCN1ACN16CN13016SCLK7CS9DVD-REMOTEM1M+12V5C-CONT6FG-GND7LD-CONTCAPSTANMOTORCAPSTAN MOTORP-ON+5V(3)D/L+15VM+12V10M-GND11D/L+12V9D-PFG12D/L+15VEND-SENS.Q201SENSOR CBA(END-SENSOR)ST-SENS.Q202SENSOR CBA(ST-SENSOR)10 SCLK11 CS13 DVD-REMOTE525150SDATASCLKCS47DVD-AUDIO-MUTE5CTL(+)6CTL(-)8D-CONT4C-F/R3C-FG2P-ON+5V(3)668776827790C-F/RC-FGC-CONTLD-CONTD-CONTD-PFGCL120197ST-SENS.END-SENS.679AFT AFTYCA-SCLFUNCTION CBAMLOADINGMOTORCYLINDER ASSEMBLYDRUMMOTORPGSENSORMDVD-H DVD-H48VOLUME VOLUME11ACE HEAD ASSEMBLY“ “ = 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.)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.