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Magnavox MWC24T5, Руководство по обслуживанию

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Magnavox MWC24T5 Скачать руководство пользователя страница 43

1-11-5

T2202SCM3

Main 3/6 Schematic Diagram  < TV/VCR Section >

Содержание MWC24T5

Страница 1: ...deck mechanism refer to MK14 Deck Mechanism Section Deck Mechanism Part No N2466FT This service manual is for the MWC24T5 version B model which is different from the previous model For MWC24T5 versio...

Страница 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...

Страница 3: ...DVD VCR 1 8 1 Firmware Renewal Mode 1 9 1 Block Diagrams 1 10 1 Schematic Diagrams CBA s and Test Points 1 11 1 Waveforms 1 12 1 Wiring Diagram TV VCR Section 1 13 1 Wiring Diagram DVD Section 1 13 2...

Страница 4: ...2 5 Side m m 1 5 2 Tint Control Range deg 30 3 Contrast Control Range dB 6 2 4 Brightness 100 White Full Field Contrast Max ft L 40 24 5 Color Temperature K 9200 Description Condition Unit Nominal Li...

Страница 5: ...ion R P SP Line 230 200 2 Jitter Low R P SP s 0 1 0 2 3 S N Chroma AM SP R P SP dB 38 33 PM SP R P SP dB 38 33 4 Wow Flutter JIS UNWTD R P SP 0 25 0 5 Description Condition Unit Nominal Limit 1 Video...

Страница 6: ...en 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 exposur...

Страница 7: ...the instrument AC switch in the on position Connect one lead of an ohmmeter to the AC plug prongs tied together and touch the other ohmmeter lead in turn to each tuner antenna input exposed terminal s...

Страница 8: ...ected directly to one conductor of the AC power cord and maybe safety serviced without an isolation transformer only if the AC power plug is inserted so that the chassis is connected to the ground sid...

Страница 9: ...at sinks oxide metal film resistors fusible resistors etc G Check that replaced wires do not contact sharp edged or pointed parts H When a power cord has been replaced check that 5 6 kg of force in an...

Страница 10: ...er cord plug prongs and externally exposed accessible parts RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc Measuring Method Power ON Inse...

Страница 11: ...l With Hot Air Flat Pack IC Desoldering Machine 1 Prepare the hot air flat pack IC desoldering machine then apply hot air to the Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC w...

Страница 12: ...ead of the flat pack IC upward one 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...

Страница 13: ...rs 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...

Страница 14: ...ded 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 surf...

Страница 15: ...om the Main CBA due to servicing this switch can not be operated automatically Preparing 2 1 To eject the tape press the STOP EJECT button on the unit or Remote Control 2 When you want to record durin...

Страница 16: ...d released unplugged unclamped or desoldered P Spring L Locking Tab S Screw CN Connector Unhook Unlock Release Unplug or Desolder e g 2 S 2 two Screws S 2 2 L 2 two Locking Tabs L 2 5 Refer to the fol...

Страница 17: ...ated on cloth human body etc during unpacking or repair work To avoid damage of pickup follow next procedures 1 Disconnect Connector CN301 on the DVD Main CBA Unit 2 Short the three short lands of FPC...

Страница 18: ...6 3 T2202DC 5 DVD Main CBA Unit 4 DVD Mechanism 2 Tray Chassis Unit S 7 S 7 Top Shield S 8 S 8 S 8 8 Deck Assembly S 10 S 9 S 11 S 11 S 11 9 Main CBA S 6 S 6 S 5 S 5 S 6 6 Sub CBA 7 Function CBA Fig D...

Страница 19: ...1 6 4 T2202DC 3 CRT Anode Cap CRT CBA S 4 S 4 S 4 S 4 Fig D3 A DVD Mechanism Fig D4 View for A Short the three short lands by soldering Either of two places FPC Cable...

Страница 20: ...TUNER MAIN CBA SUB CBA CRT CBA TO SPEAKER TO SPEAKER CL2504A SCREEN CL2501B FOCUS CN1802 CL1201 CN1602 CN1301 CN1803 CL1402 CN1601 CL1401 CL1403 CL2501A CN2571 CN2502 CL2601 CN2503 CN2401 CN2801 CL380...

Страница 21: ...10 and 17 of the microprocessor with a jumper wire How to enter the Service mode Service mode 1 Use the service remote control unit 2 Turn the power on Use main power on the TV unit 3 To enter the TV...

Страница 22: ...unit Then select V TINT V T display 2 Press CH o p buttons on the service remote control unit so that the value of V TINT V T becomes 49 SHARP SHP 1 Press PICTURE button on the service remote control...

Страница 23: ...ntal line becomes white 9 Choose CUT OFF DRIVE mode then press 3 button This adjustment mode is CUT OFF B Press CH o p buttons until the horizontal line becomes white 5 H Size Adjustment Purpose To ob...

Страница 24: ...his time re check that horizontal line is white If not re adjust Cut off Adjustment until the horizontal line becomes pure white 10 Turn off and on again to return to normal mode Receive APL 100 white...

Страница 25: ...be properly displayed 1 Enter the Service mode See page 1 7 1 Press 9 button on the remote control unit and select V P mode Press 9 button then display will change to V P and V S 2 Input monoscope pa...

Страница 26: ...be done only when replacing the CRT then adjust as a preparation 14 Purity Adjustment Purpose To obtain pure color Symptom of Misadjustment If Color Purity Adjustment is incorrect large areas of colo...

Страница 27: ...at the center of the screen by rotating RB G C P Magnet See Fig 8 4 Fix the C P Magnets by tightening the Ring Lock 5 Remove the DY Wedges and slightly tilt the Deflection Yoke horizontally and verti...

Страница 28: ...unit 2 Turn the power on Use main power on the TV unit 3 Press DISC MENU button on the service remote control unit to enter the Service mode Refer to How to enter the Service mode on page 1 7 1 4 Pres...

Страница 29: ...o go to TV mode or press STANDBY ON button on the unit to turn the power off 8 Press SELECT button on the remote control unit to put the TV DVD VCR into DVD mode again 9 Press 1 2 3 4 and DISPLAY butt...

Страница 30: ...W CS 7 TO POWER SUPPLY BLOCK DIAGRAM SDA SCL TO TV PROCESS BLOCK DIAGRAM IC1202 WF3 ENV DET 17 V H SW ENV DET V H SW 16 SDA SCL Hi Fi H SW ST SAP IN NORMAL H DVD MAIN POWER Hi Fi H SW 19 26 2 21 YCA S...

Страница 31: ...OCESS HEAD AMP 26 REC VIDEO SIGNAL PB VIDEO SIGNAL MODE SP REC 57 32 30 QV QH 6dB AMP TO SYSTEM CONTROL SERVO BLOCK DIAGRAM TO TV PROCESS BLOCK DIAGRAM CYLINDER ASSEMBLY RF SW RF SW 59 V ENV V H SW EN...

Страница 32: ...YCA CS YCA SDA YCA SCL 58 AUDIO MUTE JK1801 HEADPHONE JACK SPEAKER R CH CL3802 CN1803 SP1801 FUNCTION CBA SPEAKER L CH CN3801 SP801 SP R 1 SP GND 2 SP L 1 SP GND 2 CL3801 DVD AUDIO MUTE SP MUTE 19 19...

Страница 33: ...4 80 78 37 38 54 77 1 39 26 24 27 N A OUT LIM 49 AUDIO OUT L AUDIO OUT R N A IN Hi Fi H SW AUDIO MUTE NORMAL H 40 ST SAP IN TO AUDIO BLOCK DIAGRAM SCL P ON 9V Hi Fi AUDIO R HEAD Hi Fi AUDIO L HEAD CYL...

Страница 34: ...NG CHROMA BPF SYNC SEPARATION LUMA SIGNAL PROCESS CIRCUIT CHROMA SIGNAL PROCESS CIRCUIT H SYNC PROCESS CIRCUIT V SYNC PROCESS CIRCUIT OSD MIX RBG MATRIX BLIGHT DRIVE AMP HV BLANKING TUNER TUNER FILTER...

Страница 35: ...1 HEATER 1 1 CN2501 CL2501B CL2501A CN2571 180V 3 3 11 S F HV FOCUS VR SCREEN VR CN2502 4 3 2 RED GREEN BLUE H OUTPUT 1 3 5 4 5 4 3 1 WF13 WF12 WF14 WF10 WF11 RED AMP TP2501 B TP2504 GND TP2506 AFC TO...

Страница 36: ...17 DVD MAIN POWER 10 10 EV 4V 11 11 EV 4V 14 14 DVD 9V 11 11 DVD ON 3 3V 10 10 EV 3 3V 14 14 EV 9V 13 13 EV 9V 12 12 DVD ON 5V 9 9 EV 3 3V 3 3 EV 1 2V 2 2 EV 1 2V 1 1 EV 1 2V 15 15 PWRCON DVD MAIN CB...

Страница 37: ...ACTUATOR DRIVE SPINDLE MOTOR DRIVE TRACKING ACTUATOR DRIVE 126 TRAY IN SLD 67 SPDL 66 TRACKING DRIVE 127 FOCUS DRIVE 65 TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM FS FS TS TS TRAY IN 6 SP 5 SP 1 TRAY IN...

Страница 38: ...ENERAL I O INTERRUPT CONTROLLER TIMER WATCH DOG TIMER REMOTE CONTROL 32BIT CPU STREAM I F EXTERNAL MEMORY I F SDRAM ECC UMAC 100 115 116 113 114 106 104 105 103 62 DEBUG BCU INST CACHE DATA CACHE 152...

Страница 39: ...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...

Страница 40: ...its 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 on the schem...

Страница 41: ...1 11 3 Main 1 6 Sensor Schematic Diagram TV VCR Section T2202SCM1...

Страница 42: ...1 11 4 T2202SCM2 Main 2 6 Schematic Diagram TV VCR Section...

Страница 43: ...1 11 5 T2202SCM3 Main 3 6 Schematic Diagram TV VCR Section...

Страница 44: ...1 11 6 Main 4 6 Schematic Diagram TV VCR Section T2202SCM4...

Страница 45: ...1 11 7 T2202SCM5 Main 5 6 Junction A Schematic Diagram TV VCR Section...

Страница 46: ...it is used in this unit If Main Fuse F1601 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it ma...

Страница 47: ...1 11 9 T2202SCSUB1 Sub 1 2 Schematic Diagram TV VCR Section...

Страница 48: ...1 11 10 Sub 2 2 Schematic Diagram TV VCR Section T2202SCSUB2...

Страница 49: ...1 11 11 T2202SCCRT T2202SCF Function Junction B Schematic Diagram TV VCR Section CRT Schematic Diagram TV VCR Section...

Страница 50: ...1 11 12 T2202SCD1 DVD Main 1 3 Schematic Diagram DVD Section...

Страница 51: ...1 11 13 T2202SCD2 DVD Main 2 3 Schematic Diagram DVD Section...

Страница 52: ...1 11 14 T2202SCD3 DVD Main 3 3 Schematic Diagram DVD Section...

Страница 53: ...sformer is required NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal For continued protection against risk of fire replace only with same type 4 A 125V fuse CAU...

Страница 54: ...olation transformer is required NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal For continued protection against risk of fire replace only with same type 4 A 1...

Страница 55: ...1 11 17 R2583 H f0 Adjustment B TP2501 TP2504 GND H SIZE VR2531 PIN C VR2530 Sub CBA Top View TV VCR Section BT1200F01023 A...

Страница 56: ...1 11 18 WF11 PIN 5 CN2571 Q2571 Collector WF10 OF CN2503 PIN18 WF19 WF20 PIN2 OF CN2 DVD Y TP2513 WF17 DVD C TP2512 WF18 Sub CBA Bottom View TV VCR Section BT1200F01023 A...

Страница 57: ...1 11 19 WF13 Q2502 Collector WF12 Q2503 Collector WF14 Q2501 Collector CRT CBA Top View TV VCR Section CRT CBA Bottom View TV VCR Section BT1200F01023 B...

Страница 58: ...unction B CBA Top View TV VCR Section BT1200F01023 C Function CBA Bottom View TV VCR Section Junction B CBA Bottom View TV VCR Section Junction A CBA Top View TV VCR Section Junction A CBA Bottom View...

Страница 59: ...ter Contrast Approx 70 1DIV 2V 5ms TP1402 RF SW 1DIV 0 2V 0 1 s IC1401 Pin 49 1DIV 1V 10ms TP1202 CTL AMP OUT 1DIV 0 25V 20 s IC1401 Pin 32 1DIV 0 5V 20 s TP1401 V OUT Upper WF6 Lower WF1 1DIV 0 2V 2D...

Страница 60: ...DVD AUDIO MUTE 9 DVD Y 8 GND 7 DVD C 6 GND 5 DVD AUDIO L 4 DVD AUDIO R 3 GND 2 SPDIF 1 EV 1 2V 1 EV 1 2V 2 EV 1 2V 3 GND 4 GND 5 GND 6 GND 7 GND 8 PWRCON 15 EV 3 3V 9 EV 3 3V 10 DVD ON 3 3V 11 DVD ON...

Страница 61: ...D PWRCON EV 3 3V 8 15 9 10 11 12 CN1A 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 LD VREF NU GND B P ON 5V CD DVD D A C NU...

Страница 62: ...00 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 0...

Страница 63: ...VE PB CTL 66 C F R STILL STILL FRAME ADVANCE ROLL COMPENSATION DRUM SERVO H A SW 15 ROTA AT The first rise of RF SW after a rise in F AD signal ST T1 BL H H T2 Z 1 SP MODE 1 2 3 4 Acceleration Detecti...

Страница 64: ...PB CTL 66 C F R STILL STILL FRAME ADVANCE ROLL COMPENSATION DRUM SERVO H A SW 15 ROTA AT The first rise of RF SW after a rise in F AD signal ST T1 BL H H T2 Z 2 LP EP MODE 1 2 3 4 Acceleration Detect...

Страница 65: ...LD REV LD REV LD FWD LD REV LD REV LD REV 0 2S 0 5S CL EJ SS SS AU AU TL Z ON ON PAUSE SLOW AU AL AL AU SF SM POWER OFF STOP PLAY RS FS STILL SLOW PLAY STOP PLAY SB TL SB FB SM SM SF AL AL RS AU AL SS...

Страница 66: ...TOP 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 STOP EJEC...

Страница 67: ...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...

Страница 68: ...D Control Signal 27 NU Not Used 28 NU Not Used 29 OUT D REC PB L Delayed Record Playback Control Signal 30 NU Not Used 31 OUT P ON H Power On Signal at High 32 NU Not Used 33 IN REC SAFETY Record Prot...

Страница 69: ...al 81 NU Not Used 82 OUT LD CONT Loading Motor Control Signal 83 NU Not Used 84 IN P DOWN Power Voltage Down Detector Signal 85 NU Not Used 86 NU Not Used 87 IN C FG Capstan Motor Rotation Detection P...

Страница 70: ...776AMCH BA4GP CAT24WC02WI TE13 MID 32A22F LA71205M MPB E LA72670BM MPB E KIA431 AT P M61275FP TF3H M61116FP TF0G KTC3503 Y P 2SK3561 AN17812A Note A Anode K Cathode E Emitter C Collector B Base R Refe...

Страница 71: ...1 1B2 DG601 Scotch Tape 880 Scotch Tape 880 Scotch Tape 880 Sensor CBA CLN551 CLN551 CLN551 V501 TB1 TB17 TL18 TB13 TB3 TL1 3 TL14 TL1 1 TL1 1 TL4 TL4 L1 L1 L1 L1 A2 A3 L1 L3 2 L3 1 TL1 1 TL1 2 TL1 2...

Страница 72: ...1 17 2 T2203PEX Packing FRONT S4 S1 X1 Tape X4 X2 X3 S3 S6 S7 S2 Packing Tape...

Страница 73: ...GBHP3100 L3 2 SCREW P TIGHT 3X10 BIND HEAD GBHP3100 L4 SCREW P TIGHT 3X10 BIND HEAD GBJP3100 SP801 SPEAKER S0407F01A DSD0807XQ001 SP1801 SPEAKER S0407F01A DSD0807XQ001 TB1 TRAY CHASSIS T1200UA 1EM020...

Страница 74: ...100pF 50V CHD1JJ3CH101 C1228 CHIP CERAMIC CAP 1608 CH J 100pF 50V CHD1JJ3CH101 C1234 CHIP CERAMIC CAP 1608 F Z 0 1 F 25V CHD1EZ30F104 C1235 CHIP CERAMIC CAP 1608 B K 0 022 F 50V CHD1JK30B223 C1239 EL...

Страница 75: ...LYTIC CAP 22 F 16V M H7 CE1CMAVSL220 C1760 CHIP CERAMIC CAP 1608 B K 4700pF 50V CHD1JK30B472 C1762 CHIP CERAMIC CAP 1608 B K 0 01 F 50V CHD1JK30B103 C1763 CHIP CERAMIC CAP 1608 B K 0 01 F 50V CHD1JK30...

Страница 76: ...SIF M61116FP TF0G QSZBA0SHT034 IC1201 MICRO COMPUTER M3776AMCH BA4GP QSZAA0RHT099 IC1202 IC CAT24WC02WI TE13 NSZBA0TBG007 IC1301 VCD IC M61275FP TF3H QSZAD0RMB133 Ref No Description Part No IC1401 IC...

Страница 77: ...R1280 CHIP RES 1 10W J 100 RRXAJR5Z0101 R1281 CHIP RES 1 10W J 2 2k RRXAJR5Z0222 Ref No Description Part No R1283 CHIP RES 1 10W J 100k RRXAJR5Z0104 R1284 CHIP RES 1 10W J 220k RRXAJR5Z0224 R1285 CHIP...

Страница 78: ...0W J 1k RRXAJR5Z0102 R1764 CHIP RES 1 10W J 22k RRXAJR5Z0223 R1769 CHIP RES 1 10W J 4 7k RRXAJR5Z0472 Ref No Description Part No R1772 CHIP RES 1 10W J 47k RRXAJR5Z0473 R1773 CHIP RES 1 10W J 47k RRXA...

Страница 79: ...OLYTIC CAP 47 F 35V M CE1GMASDL470 C2583 ELECTROLYTIC CAP 2 2 F 100V M CE2AMASDL2R2 C2584 ELECTROLYTIC CAP 2 2 F 100V M CE2AMASDL2R2 C2586 ELECTROLYTIC CAP 4 7 F 50V M CE1JMASDL4R7 C2590 CHIP CERAMIC...

Страница 80: ...Z03R3 R2563 CARBON RES 1 4W J 3 3 RCX4JATZ03R3 Ref No Description Part No R2564 CARBON RES 1 4W J 3 3 RCX4JATZ03R3 R2565 CARBON RES 1 4W J 1 RCX4JATZ01R0 R2566 CARBON RES 1 4W J 1 RCX4JATZ01R0 R2567 C...

Страница 81: ...822 R2513 CARBON RES 1 4W J 330 RCX4JATZ0331 R2514 CARBON RES 1 4W J 330 RCX4JATZ0331 R2515 CARBON RES 1 4W J 330 RCX4JATZ0331 R2516 FIXED METAL OXIDE FILM RE S 3W J 10k RN03103DP005 R2517 FIXED METAL...

Страница 82: ...MWC24T5 T2202UC 2006 04 06...

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