Magnavox sylvania mwd2205, Service Manual

Page 1: ...Servicing I Adjustment Procedures I Schematic Diagrams I CBA s I Exploded Views I Parts List When servicing the deck mechanism refer to MK14 Deck Mechanism Section Deck Mechanism Part No N2440FL N246...

Page 2: ...proper service methods may damage the equipment It also is important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE Funai could not possibly know evaluate and advice the service trad...

Page 3: ...Player VCR 1 8 1 Firmware Renewal Mode 1 9 1 Function Indicator Symbols 1 10 1 Block Diagrams 1 11 1 Schematic Diagrams CBA s and Test Points 1 12 1 Waveforms 1 13 1 Wiring Diagram VCR Section 1 14 1...

Page 4: ...urst 1 4 Video Color S N AM R P dB 35 41 SP Mode 1 5 Video Color S N PM R P dB 33 36 SP Mode 1 6 Resolution PB Line 230 245 SP Mode 2 Servo 2 1 Jitter Low sec 0 07 0 12 SP Mode 2 2 Wow Flutter 0 3 0 5...

Page 5: ...mp 100 k 4 Ambient Temperature 25 C Item Conditions Unit Nominal Limit 1 Video Output 75 load Vpp 1 0 0 1 2 Coaxial Digital Out 75 load mVpp 500 50 3 Audio PCM 3 1 Output Level 1 kHz 0 dB Vrms 2 0 3 2...

Page 6: ...when the diode is turned on Do not look directly at the laser beam CAUTION Use of controls and adjustments or doing procedures other than those specified herein may result in hazardous radiation expos...

Page 7: ...especially 1 Wires covered with PVC tubing 2 Double insulated wires 3 High voltage leads D Use specified insulating materials for hazardous live parts Note especially 1 Insulation tape 2 PVC tubing 3...

Page 8: ...ongs and externally exposed accessible parts RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value...

Page 9: ...achine then apply hot air to the Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC with tweezers while applying the hot air 3 Bottom of the flat pack IC is fixed with glue to the C...

Page 10: ...by one using a sharp pin or wire to which solder will not adhere iron wire When heating the pins use a fine tip soldering iron or a hot air desoldering machine Fig S 1 4 3 Bottom of the flat pack IC i...

Page 11: ...s Fig S 1 6 Note When using a soldering iron care must be taken to ensure that the flat pack IC is not being held by glue When the flat pack IC is removed from the CBA handle it gently because it may...

Page 12: ...ed to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1 M on the workbench or other surfa...

Page 13: ...nto the Deck Mechanism Assembly and press the PLAY button The tape will be loaded into the Deck Mechanism Assembly Make sure the power is on connect TP502 S INH to GND This will stop the function of T...

Page 14: ...ing or repair work To avoid damage of pickup follow next procedures 1 Disconnect Connector CN301 Remove a Screw S 6 and lift the DVD Main CBA Unit Fig D4 2 Short the three short lands of FPC cable wit...

Page 15: ...pin of LD SW the shaft of Cam Gear with the hole of LD SW as shown in Fig D6 S 1 1 Top Case Fig D1 L 1 L 2 L 1 2 Front Assembly Fig D2 S 2 S 2 3 Top Bracket Fig D3 CN401 CN601 S 3 S 3 S 3 S 4 S 5 5 Pa...

Page 16: ...1 6 3 H9801DC Fig D5 S 7 S 7 S 7 S 8 8 VCR Chassis Unit...

Page 17: ...e stripe From FE Head BOTTOM VIEW Lead connections of Deck Assembly and Main CBA Desolder From Capstan Motor Assembly Printing side Desolder From Cylinder Assembly From ACE Head Assembly Lead with blu...

Page 18: ...p Bracket 2 Remove four Screws S 3 in Fig D3 Do not disconnect connectors 3 While lifting up the DVD Mecha rotate the roulette in the direction of the arrow as shown below 4 Pull the tray slowly with...

Page 19: ...0 001 50 V Div F Range DC AC 20 MHz 2 Alignment Tape FL8A Head Switching Position Adjustment Purpose To determine the Head Switching position during playback Symptom of Misadjustment May cause Head Sw...

Page 20: ...appears on the screen 2 Press CLEAR C RESET button on the remote control unit Fig b appears on the screen When OK appears on the screen the factory default will be set Then the firmware renewal mode i...

Page 21: ...the power on by pressing the POWER or STANDBY ON button and the tray will close 9 Press 1 2 3 4 and DISPLAY buttons on the remote control unit in that order Fig g appears on the screen 10 Press CLEAR...

Page 22: ...ng mechanism is not functioning correctly When the drum is not working properly Cause Indicator Active When reel or capstan mechanism is not functioning correctly EJECT A R is displayed on a TV screen...

Page 23: ...YCA SDA 15 YCA CS 16 YCA SCL YCA SDA YCA CS SW511 REC SW TO VIDEO BLOCK DIAGRAM TO AUDIO BLOCK DIAGRAM TO Hi Fi AUDIO BLOCK DIAGRAM CLOCK DATA TU701 TUNER UNIT 11 12 VCR TV 5 DVD H IND 71 TIMER IND 75...

Page 24: ...Y C MIX CCD 1H DELAY R P YNR COMB FILTER CHROMINANCE SIGNAL PROCESS IC301 VIDEO SIGNAL PROCESS HEAD AMP 26 57 32 30 QV QH 6dB AMP TO SERVO SYSTEM CONTROL BLOCK DIAGRAM TO SERVO SYSTEM CONTROL BLOCK DI...

Page 25: ...FE H 2 FE H GND CN501 MAIN CBA PB AUDIO SIGNAL REC AUDIO SIGNAL Mode SP REC 58 55 53 54 D REC H AUDIO MUTE H TO SERVO SYSTEM CONTROL BLOCK DIAGRAM FULL ERASE HEAD YCA CS YCA SCL YCA SDA IC301 JK752 A...

Page 26: ...UDIO MUTE H TO SERVO SYSTEM CONTROL BLOCK DIAGRAM FULL ERASE HEAD YCA CS YCA SCL YCA SDA IC301 SIF MOD AUDIO AUDIO R IN F AUDIO L IN F AUDIO L IN AUDIO R IN AUDIO R OUT AUDIO L OUT N A OUT N A IN JK75...

Page 27: ...27 SIF AUDIO R IN AUDIO L IN N A OUT AUDIO R IN F AUDIO L IN F DVD AUDIO L DVD AUDIO R LIM 49 MUTE AUDIO L OUT MOD AUDIO AUDIO R OUT N A IN Hi Fi H SW AUDIO MUTE H NORMAL L 40 ST SAP MODE TO AUDIO BLO...

Page 28: ...IAGRAM P ON L P DOWN L Q057 HOT COLD A V F CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F1001 is blown check to see that all components in th...

Page 29: ...UNIT DRIVE CBA IC301 SERVO DRIVE CN301 M SLED MOTOR M SPINDLE MOTOR IC101 MICRO CONTROLLER SLED MOTOR DRIVE FOCUS ACTUATOR DRIVE SPINDLE MOTOR DRIVE TRACKING ACTUATOR DRIVE 147 TRAY IN SLD 75 SPDL 76...

Page 30: ...WATCH DOG TIMER CPU I F TIMER DECODER I F CPU I F READ MEMORY DATA RAM DSP DECODER I O PROCESSOR INST ROM DATA RAM INST ROM SERIAL D A GENERAL I O INTERRUPT CONTROLLER TIMER WATCH DOG TIMER REMOTE CON...

Page 31: ...DVD AUDIO R PCM BCK SPDIF PCM DATA PCM LRCLK ADAC MD ADAC MC ADAC ML PCM SCLK MAIN CBA DVD MAIN CBA UNIT DVD AUDIO SIGNAL DATA AUDIO SIGNAL 18 18 SPDIF AUDIO MUTE 3 3V Q1204 W F 9 3 W F 7 W F 8 CN601...

Page 32: ...k in the schematic diagram and the parts list Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts that do not have the same sa...

Page 33: ...f repaired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Mode SP REC 5 Voltage indications for PLAY and REC modes...

Page 34: ...1 8 Schematic Diagram VCR Section H9801SCM1 MAIN 1 8 Ref No Position IC501 C 3 Q501 D 1 Q506 A 2 CN501 A 4 CN502 F 4 CN504 A 4 VR501 B 4 TP505 B 2 TP513 B 4 IC CONNECTORS TEST POINTS VARIABLE RESISTOR...

Page 35: ...1 12 4 Main 2 8 Sensor Schematic Diagram VCR Section H9801SCM2 MAIN 2 8 Ref No Position Q563 H 3 Q565 H 3 Q566 H 2 Q567 I 2 TP502 I 4 TP506 K 1 TP507 K 1 TEST POINTS TRANSISTORS...

Page 36: ...n 3 8 Schematic Diagram VCR Section H9801SCM3 MAIN 3 8 Ref No Position IC301 O 2 Q301 Q 3 Q302 Q 4 Q303 Q 4 Q421 N 1 Q422 N 1 Q425 N 1 Q426 N 1 CN253 M 4 TP301 P 1 TP302 O 4 CONNECTOR TEST POINTS IC T...

Page 37: ...1 12 6 Main 4 8 Schematic Diagram VCR Section H9801SCM4 MAIN 4 8 Ref No Position IC1201 T 1 IC1402 U 3 Q1201 U 1 Q1202 U 1 Q1204 U 1 Q1351 V 1 Q1385 S 2 CN1601 S 3 CONNECTOR TRANSISTORS ICS...

Page 38: ...1 12 7 Main 5 8 Schematic Diagram VCR Section H9801SCM5 MAIN 5 8 Ref No Position IC751 Z 3 Q391 AA 3 Q762 Z 2 Q763 Z 2 TP751 AA 2 TP753 AA 2 TP754 AA 2 IC TRANSISTORS TEST POINTS...

Page 39: ...ic Diagram VCR Section H9801SCM6 MAIN 6 8 Ref No Position IC1002 AD 4 IC1004 AD 3 Q052 AG 4 Q055 AF 3 Q056 AG 3 Q057 AE 3 Q1004 AE 2 Q1005 AF 2 Q1006 AG 2 Q1011 AD 2 Q2002 AF 1 Q2013 AD 1 CN1001 AC 3...

Page 40: ...nents in the power supply circuit to fail NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal Ce symbole repr sente un fusible fusion rapide CAUTION For continued...

Page 41: ...1 12 10 H9802SCM8 Main 8 8 Schematic Diagram VCR Section DVC865F...

Page 42: ...am DVD Section DVD MAIN 1 3 Ref No Position IC201 C 1 IC202 D 4 IC301 D 3 IC461 F 1 IC462 E 1 Q251 C 2 Q252 B 2 Q253 C 2 Q254 B 2 CN201 A 3 CN301 A 1 CN401 F 3 TRANSISTORS CONNECTORS ICS 1 NOTE Either...

Page 43: ...1 12 12 H9801SCD2 DVD Main 2 3 Schematic Diagram DVD Section DVD MAIN 2 3 Ref No Position IC101 H 4 CN702 G 2 IC CONNECTOR...

Page 44: ...STOP PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP 129 2 3 2 3 161 3 4 3 4 193 225 3 4 3 4 130 2 3 2 3 162 0 0 194 226 131 2 3 2 3 163 1 8 1 8 195 227 132 2 4 2 3 164 0 0 196 3 4 3 4 228 133 2 4...

Page 45: ...1 12 14 H9801SCD3 DVD Main 3 3 Schematic Diagram DVD Section DVD MAIN 3 3 Ref No Position IC103 N 3 IC501 O 4 IC502 Q 4 IC601 P 1 CN601 R 1 ICS CONNECTOR...

Page 46: ...t is measured using hot GND as a common terminal Ce symbole repr sente un fusible fusion rapide CAUTION For continued protection against fire hazard replace only with the same type fuse ATTENTION Pour...

Page 47: ...ion continue les risqes d Incele n utiliser que des fusible de m me type Risk of fire replace fuse as marked This symbol means fast operating fuse A V F Because a hot chassis ground is present in the...

Page 48: ...V 0 5ms 0 5ms WF8 AUDIO R AUDIO R 1V 1V WF9 SPDIF SPDIF 1V 1V 0 1 0 1 s s Pin 8 of CN1601 Pin 10 of CN1601 Pin 13 of CN1601 Pin 15 of CN1601 Pin 18 of CN1601 0 5ms 0 5ms V OUT E E V OUT E E 0 2V 0 2V...

Page 49: ...of TU701 Pin 6 of TU701 Pin 18 of TU701 NOTE Input VCR COLOR BAR SIGNAL WITH 1KHz AUDIO SIGNAL WF1 WF3 WF10 WF15 DVD POWER ON STOP MODE WF4 WF6 CD 1kHz PLAY WF7 WF9 MOD A 0 5V 0 2ms MOD V 0 5V 20 s P...

Page 50: ...P SW NU 2 3 7 8 9 10 11 12 CN1601 DVD AUDIO R MUTE DVD AUDIO L AUDIO 5V DVD AUDIO R AUDIO 5V SPDIF 13 14 15 16 17 18 REMOTE 21 22 DVD POWER 23 DVD PLAY DVD OPEN CLOSE 24 25 DVD STOP 26 CAPSTAN MOTOR...

Page 51: ...20 21 REMOTE 22 23 DVD POWER 24 DVD PLAY DVD OPEN CLOSE 25 26 DVD STOP 27 CN401 PICK UP UNIT CN201 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 TS TS FS CD LD FS GND DVD PD GND CD PD PD MONI DVD...

Page 52: ...0 V 5 00 V CL 0 00 V 0 25 V 0 00 V SB 1 06 V 1 50 V 1 21 V TL 0 66 V 1 05 V 0 91 V FB 1 99 V 2 60 V 2 17 V SF 1 51 V 1 98 V 1 80 V SM 3 20 V 3 75 V 3 40 V AU 0 26 V 0 65 V 0 44 V AL 4 51 V 5 00 V 5 00...

Page 53: ...e Fig 1 18 RF SW F AD Internal Signal C DRIVE PB CTL 27 C F R 79 H A SW 78 C ROTA The first rise of RF SW after a rise in F AD signal Acceleration Detection T1 AT H Z H L L Stop detection T2 ST Slow T...

Page 54: ...Internal Signal C DRIVE PB CTL 27 C F R 79 H A SW 78 C ROTA H Z H L L STILL STILL AT ST BL Stop detection T2 Acceleration Detection T1 Slow Tracking Value Reversal Limit Value FRAME ADVANCE The first...

Page 55: ...REV LD REV LD REV 0 2S 0 5S PIN NO CL EJ SS SS AU AU TL LD SW CL SS LM FWD M REV C DRIVE Z ON ON C F R DRUM ROTATION P ON L A MUTE H D REC H D PB PAUSE SLOW AU AL AL AU SF SM EJ AU RS SF SM TL FB AL S...

Page 56: ...EJECT STOP A LD REV FF LD REV LD REV LD FWD LD FWD LD FWD LD FWD LD FWD LD FWD LD FWD REC PAUSE REC REC REW LD REV LD REV LD REV LD REV LD REV LD REV LD REV PAUSE REC or PAUSE STOP EJECT STOP EJECT ST...

Page 57: ...Section Tray IN TL221 Sled Drive TP303 Disc Drive TP301 Focus Drive TP304 Tracking Drive TP302 0V 3 3V 0V 1 65V 0V 0V 0V 1 65V 1 65V 1 65V Tray Close Play Play Tray Open Tray Close Disc Rotation Play...

Page 58: ...k H L 15 OUT YCA SDA YCA IC Control Data H L 16 OUT YCA CS YCA IC Control Chip Select H L 17 N U Not Used 18 OUT RF SW Video Head Switching Pulse H L 19 OUT D V SYNC Dummy V sync Output H Hi z 20 IN R...

Page 59: ...dio Mode Input HiFi L Normal H A D Pin No Mark IN OUT Signal Name Function Active Level 60 IN DVD POW MONITOR DVD Power Monitor Signal P off L P on H H L 61 A B N U Not Used C IN ST SAP IN Tuner Stere...

Page 60: ...Analog Digital Converter 77 OUT VCR TV IND RF Conv ON OFF Signal TV L VCR H H L 78 OUT C ROTA Color Phase Rotary Changeover Signal H L 79 OUT H A SW Video Head Amp Switching Pulse H L 80 IN H A COMP H...

Page 61: ...REF 2 GND 3 VC 4 VIN 5 VOUT BA5888FP E2 LA72670BM MPB E MN101D08DEK Note A Anode K Cathode E Emitter C Collector B Base R Reference S Source G Gate D Drain KRA103M KRC103M KTA1266 GR KTA1267 Y KTC3193...

Page 62: ...BA A4 A5 AC1001 2B11 2B15 2B15 RM2001 DVD Open Close CBA W002 W011 2L091 2L054 A10 A14 2L012 2L082 B Main CBA 2B15 2L021 2L062 A B A F1001 W004 A C W006 B 2B15 2B16 Comparison Chart of Models and Mark...

Page 63: ...1 18 2 H9801PEX Packing S2 S2 S2 S2 S1 Unit A14 S3 X1 X4 X20 X5 X2 X3...

Page 64: ...5 A23 B LABEL EAS L0951UB 1B1 A B DECK ASSEMBLY CZD014 VM2440 N2440FL 1B1 C DECK ASSEMBLY CZD014 VM2460 N2460FL 1B2 DVD MECHA E6160 FG LESS N79F0JVM N79F0JVM 2B2 TOP BRACKET H9600UD 0VM204470 2B3 RODE...

Page 65: ...CTROLYTIC CAP 22 F 6 3V M H7 CE0KMAVSL220 C319 CHIP CERAMIC CAP B K 0 01 F 50V CHD1JKB0B103 C320 CHIP CERAMIC CAP B K 0 01 F 50V CHD1JKB0B103 C321 C CHIP CERAMIC CAP B K 0 01 F 50V CHD1JKB0B103 C322 C...

Page 66: ...IC CAP B K 1000pF 50V CHD1JKB0B102 C537 CHIP CERAMIC CAP B K 1000pF 50V CHD1JKB0B102 C540 CHIP CERAMIC CAP B K 0 01 F 50V CHD1JKB0B103 Ref No Mark Description Part No C541 CHIP CERAMIC CAP F Z 0 1 F 5...

Page 67: ...CHING DIODE 1N4148M NDTZ01N4148M D1031 PCB JUMPER D0 6 P5 0 JW5 0T D1036 RECTIFIER DIODE 1N4005 NDQZ001N4005 D1037 RECTIFIER DIODE 1N4005 NDQZ001N4005 D1038 RECTIFIER DIODE 1N4005 NDQZ001N4005 D1058 R...

Page 68: ...2 CARBON RES 1 4W J 560 RCX4JATZ0561 R395 PCB JUMPER D0 6 P5 0 JW5 0T R397 CHIP RES 1608 1 10W J 100 RRXAJB5Z0101 R401 A B CHIP RES 1608 1 10W J 27k RRXAJB5Z0273 R401 C CHIP RES 1608 1 10W J 6 8k RRXA...

Page 69: ...00k RRXAJB5Z0104 R784 A B CHIP RES 1608 1 10W J 4 7k RRXAJB5Z0472 Ref No Mark Description Part No R786 A B CHIP RES 1608 1 10W J 100k RRXAJB5Z0104 R787 A B CHIP RES 1608 1 10W J 4 7k RRXAJB5Z0472 R100...

Page 70: ...A WAC0172LW013 AC1001 C AC CORD PB8B2F9110A 05A WAC0172LW013 F1001 A B FUSE SIC 1A 250V U C T PAGG20CW3102 F1001 C FUSE SIC 1A 250V U C T PAGG20CW3102 FH1001 FUSE HOLDER MSF 015 XH01Z00LY001 FH1002 FU...

Page 71: ...DVC840F MWD2205 DVC865F H9801UD H98K0UD H9802UD 2005 01 28...