Sanyo VHR-450 Скачать руководство пользователя

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Содержание VHR-450

Страница 1: ...5 ELECTRICAL PARTS 18 CIRCUIT DIAGRAMS Refer to the separate volume rpROD cTsAFETyNOT cE The components designated by a symbol in this schematic diagram designates components whose value are of special significance Should any component designated by a symbol need to be replaced use only the part designated in the Parts List Do not deviate from the resistance wattage and voltage ratinga ahown NOTE ...

Страница 2: ...nsor is faulty The reel brake of the tape cassette has not been released Tape loading and unloading cannot be The tape guide is caught The power is forcibly turned off with the 05 performed with the cassette inserted The loading motor is faulty mechanism at its current position Tha control of the loading motor is faulty Front unloading cannot ba performed The cassette holder mechanism is Front loa...

Страница 3: ...ote Electrical adjustments for the this model can be per PWB assembly by Iif ing it straight up while pressing and formed with only the cabinet removed spreading out the two clamps K as shown by the arrows REMOVING THE MECHANISM MAIN UNfT Fig 1 1 2 After removing the cabinet parts 1 Remove the two screws D and then remove the bracket 2 Remove the 22 wire flat cable from the MC 2 PWBJthe 11 wire fl...

Страница 4: ...14800 N 23 M TK4 E 2 Flat Cable Brack n E Ie re Flat Cable ain Unit CassetteTray I D Line ACE Head E C z B Fig 1 1 2 M TKUE 3 er Mechanism Main Unit wire CP 1 PWB AS TM 1 ne Clamps K Flat Cable Fig 1 1 3 4 ...

Страница 5: ...sm the chassis main unit along the cassette holder Insert the tip L of 2 Connect the 22 wire flat cable to the MC 2 PWB and the the terminal board into the opening M at the side of the 1l wire flat cable to the VP 1 PWB assembly Connect chassis as shown in the enlarge view the TM 1 PWB assembly to operate VCR by using the remote control M T embly Fig 1 1 4 1 2 MAIN CIRCUIT BOARD L TK4iNZ VP 1 PWB ...

Страница 6: ... operate the all operating mode 2 1 SERVO CIRCUIT ADJUSTMENT These adjustments should be carried out upon completion of the tape transport adjustments If the tape transport adjustments except the tilt adjustment are carried out after these adjustments follow the procedures again in Section 2 1 3 SWITCHING POSITION ADJ When a cassette tape is loaded auto tracking will be set immediately after start...

Страница 7: ...TV 1 2 3 4 5 6 Measuring Equipment Color bar generator or Broadcasting Monitor I ADJ Condition Self recording SP mode SLOW mode Blank tape Self recording LP mode SLOW mode Blank tape ADJ Location ADJ Value CHANNEL button CHANNEL button Set the tracking control to the center position by pressing CHANNEL buttons and simultaneously Traking center position is displayed on the indicator panel as shown ...

Страница 8: ...cy DC 40 MHz 10 1 DC 30 MHZ I I I 1 I I Frequency Counter 8 significant digits Adjustment Relay Jig VHJ 0066 7 wire flat cable for VP 1 PWB Assembly ALIGNMENT TAPE COLOR BAR SIGNAL 0 3 o 7vp p IVPP 1 A o 3vp p Burst Sign u al H Sync Signal COLOR BAR SIGNAL WAVEFORM VHJ 0008 Fig 2 2 1 pv Tcp 75 m w COLOR BAR PAITERN VHJ 0008 ON MONITOR TV Fig 2 2 2 2 2 2 ADJUSTMENT RELAY JIG Connect the flat cable ...

Страница 9: ...SW P VR181 REC C TP182 ENV VP 1 PWB Assembly Fig 2 2 4 PlB2431MB Vlf o u o 0 c e c 0 Cl VR351 IC602 SW P IC351 IC301 o 0 VR201 c1 BIAS IC201 POWER SUPPLY PART VR104 IC162 VR102 DEV CT120 o AGC Vco 0 jcflo6 Q TP103 L m yy y j o p 020 e t t TP101 TP120 V 3 VR101 aV OUT 1 PB Y CP 1 PWB FOIL SIDE Fig 2 2 5 Iclol o Icl11 9 ...

Страница 10: ...te the VIDEO OUTPUT terminal with a 75Q resistor 2 Adjust VRIOI PB Y for the video luminance signal level of 1 Vp p 0 05 Vp p Refer to Fig 2 2 7 WPV PBY White 1 Vp p I H F 2 2 7 2 2 6 CARRIER SET ADJ Measuring Point Measuring Equipment ADJ Condition TPI03 Color bar generator REC SP mode Frequency counter I ADJ Location I A f Valua I VR103 CAR 3 83 MHz 0 05 MHz I 1 Connect the color bar generator t...

Страница 11: ...ENT ADJ Measuring Point Maasuring Equipment ADJ Condition TP181 Color bar generator REC SP mode on VP 1 PWB Oscilloscope Blank tape 1 1 probe ADJ Location AW Value VR182 REC Y 480 mVp p k 20 mVp p 1 2 Connect the ground of the oscilloscope to the shield case of the VP 1 PWB assembly Adjust VR182 REC Y so that the video luminance signal level at the sync tip is 480 mVp p 20 mVp p Refer to Fig 2 2 1...

Страница 12: ...y 10 mV DIV Band width more than 30 MHz AC Voltmeter Effective value indication Input frequency 10 Hz 20 kHz Input Impedance more than 1 Mf2 Measurement level 1 mV full scale Blank Tape IvHS Me cassette tape I 2 3 2 LOCATION OF ADJUSTMENT POINTS 2 3 3 BIAS LEVEL ADJ P1B24300B A1 IC351 jcj 6j VR201 IC201 c1 BIAS f g TP202 TP201 IC302 J o Tuner lF RF Conv Unit 1 CP 1 PWB FOIL SIDE Fig 2 3 1 Ihlleasu...

Страница 13: ...ADJ Value VR RFAGC SIN is best point on the IF circuit 1 2 3 4 Connect the monitorlVto VHF UHF ANTENNA OUTPUT terminal Connect the VHF antenna to VHF UHF ANTENNA INPUT terminal Receive the middle electrical field 70 dBV 90 dB of the VHF high channel and slowly turn VR RF AGC from the point where snow noise is present to the point where it just disappears from the monitor TV Confirm bymonitorTVthat...

Страница 14: ...TION PARTS NO CABINET CHASSIS PARTS CH 1 411 1370007 CH 2 411 021 7907 CH 4 613 1544932 CH 5 4120289406 CH 6 613 1407015 CH 7 411 021 3800 CH 8 613 1537859 CH 9 411 001 1901 CH 10 613 157 1518 CH 11 6450029608 CH 12 613 1392182 CH 14 613 121 1001 CH 15 6131532465 CH 16 613 157 1716 CH 17 613 1407459 CH 18 613 1563346 CH 19 613 1450707 DESCRIPTION SCR L TPG BIN 3X1O SCR S TPG BIN 4X12 COMPL PWB UP ...

Страница 15: ...KE UP CD 1 CD 31 1 1 L 0 t MA 9 OR MA lo OR MA n M 12 OR I A 15 M 1b HA 17 HA 18 HA 19 MA 20 MA 21 MA 22 MA 23 MA 24 MA 25 NA 26 MA 27 M4 28 MA 29 MI1 30 MA 31 MA 32 MA 33 MA 34 MA 35 MA 36 MA 37 MA 38 MA 39 PARTS NO 412021 530b 4120158900 4120158504 411 109 150b 411 109 1407 613 1357150 b13 142 911b 4120267305 613 135 7167 613 1429109 4120424302 b13 1357099 411 120 1301 b13 1357082 411 021 3107 6...

Страница 16: ...OMPL PCB MC 3 COMPL PWB MC 2 ROTARY SWITCH SCR PAN 2 6X13 ASSY SLIDE FRONT SPRING LEUER LOAO SPRING LEUER ACT HOLOER WORM HOLOER WORM WASHER 2 1X6X0 5 ASSY WORM LOAD BELT LOAOING WASHER SLIT 2 6X5X0 50 GEAR HELICAL ASSY LEUER REV GUIDE SPRING REUIEW LEUER COMPL PINCH ROLLER SPRING PINCH ROLLER LOCATION MB 54 MB 55 MB 57 MB 58 MB 59 MB 60 MB 61 MB 63 MB 66 MB 67 MB 80 MB 81 MB 82 MB 83 MB 84 MB 90 ...

Страница 17: ...MECHANISM PARTS 2 Undesignated numeral shows Location No MB pll 60 12 81 DR 1 b n p 83 DR 7 c 61 50 MECHANISM PARTS 3 f 19 J 22 18 23 I 1 N S P Not available as service parts 17 ...

Страница 18: ...708 405 1236500 4050044601 405006 1806 4050192005 4050192807 405011 8401 405011 8500 DESCRIPTION TR 2SC4038 Q TR 2SC4038 R TR 2SD1991A Q TR 2S01991A R TR 2SA1561 Q TR 2SA1561 R TR 2SB1320A Q TR 2SB1320A R TR 2SA1561 Q TR 2SA1561 R TR 2SB1320A Q TR 2SB1320A R TR 2SC4038 Q TR 2SC4038 R TR 2SD1991A Q TR 2SD1991A R TR DTC144EL TR UN6213 TR 2SC4038 Q TR 2SC4038 R TR 2SD1991A Q TR 2SD1991A R TR DTC124EL...

Страница 19: ...11 IC AT24CO4 1OPC IC LE24C04S1 IC X24 C04P C7346 IC LA791 O LOCATION IC692 OR DIODES D1OO3 OR 01004 OR D1OO8 OR 01009 OR D1301 OR D1601 OR 01602 OR 01611 OR 01621 OR D1622 OR D3001 OR 03106 OR D3107 OR 03113 OR 03121 OR 03122 OR 03123 OR 03502 OR 03510 OR 03554 OR 05001 05003 05004 05006 05010 05013 A 05101 D5102 05103 05104 05105 05108 D5109 05110 OR D5112 D6901 OR 06902 OR 06903 4090268203 4090...

Страница 20: ... L6606 6130140821 OR 6130144348 TRANSF6RIERS T2001 6130986023 OR 621 0199596 OR 6450047480 T5001A 6450042164 DELAY LINES OL1O1 6450005992 OR 6450006005 CAPACITORS Clool C1OO2 C1OO3 C1OO5 C1OO6 C1OO7 C1OO8 C1OO9 Clolo Cloll C1012 C1013 C1014 C1015 C1016 C1021 C1022 C1023 C1028 C103O C1031 C1032 C1033 CI036 C1037 C1038 CI039 C104O C1041 C1043 C1044 C1046 C1047 C1048 C1052 C1053 C1058 C106O C1061 C10...

Страница 21: ... 6 3V O OIU M 16V 1000P K 50V 47P J 50V O lF Z 5 5V 12P J 50V 0 015U K 16V 6800P K 16V 0 015U K 16V 22U M 16V C3506 C3508 C3509 C3511 C3512 C3513 C3514 C3515 C3516 C3517 C3522 C3523 C3524 C3525 C3526 C3530 C3536 C3540 C3551 C3552 C3553 C3554 C3556 C3558 C3570 c5001 A C5002 A C5005 A c5007 A C501O C5011 C5015 C5017 C5020 C5021 C5022 C5023 C5025 C5101 C5102 C5105 C5106 C5108 C5109 C511O C5113 C5115 ...

Страница 22: ...w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w l 4w 1 4w l 4w l 4w l 4w LOCATION R1629 R1630 R1631 R1632 R1633 R2001 R2002 R2003 R2004 R2005 R2009 R201O R2011 R2012 R2013 R2014 R2018 R2021 R2022 R2023 R2024 R2071 R2091 R2101 R2102 R2103 R2104 R2105 R2106 R2107 R3001 A R3004 R3008 R3009 R301O R3011 R3012 R3013 R3014 R3015 R3018 R3019 R3020 R3023 R3024 R3...

Страница 23: ...JA l 4W lK JA l 4W 2 7M KB l 2W 270K JO l 4W 390K JA l 4W 180K JA l 4W 10K JA l 4W 22K JA l 4W 56K JA l 4W 1 8K JA l 4W 47 JA l 4W 15K JA l 4W 15K JA l 4W 15K JA l 4W 330 Jrl l 4W 470 JA l 4W 560 JA l 4W 10K Jfi l 4W 560 JA l 4W 3 6K JA l 4W 47 JA l 4W 750 JA l 4W 560 JA l 4W 4 7 JA l 4W 9 1 JA l 4W 2 7K JA l 4W 470 JA l 4W 390K JA l 4W 270K JA l 4W 390K JA l 4W 470K JA l 4W 3 3K JA l 4W lM J9 l 4...

Страница 24: ... 82P J SW 390P J SW 330P J 50V 27P J 50V 56P J 50V O OIU K 50V O OIU K 50V O OIU K 50V O OIU K 50V O OIU K 50V O OIU K 50V 0 047U z 50V 0 047U z 50V LOCATION C1822 C1823 C1824 C1851 C1852 C1853 C1854 C1855 C1865 C1866 RESIST6RS R1801 R1802 R1803 R1805 R1806 R1807 R1808 R1809 R181O R1811 R1812 R1813 R1814 R1815 R1816 R1817 R1818 R1819 R1850 R1851 R1852 R1853 R1854 R1855 R1856 R1857 R1858 R1859 R186...

Страница 25: ......

Страница 26: ...MayWll 00 NS Printedin Japan SANYO Electric Co Ltd Osaka Japan ...

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