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Summary of Contents for VHR 390SP

Page 1: ... by a symbol in this schematicdiagram designates com ponentswhose value are of special significanceto productsafety Should any component designated by a symbolneed to be replaced use only the part designatedin the Parts List Do not deviate from the resistance wattage and voltage ratings shown NOTE 1 Patisorder must contain Model Number Pati Number and Description 2 Substitute parts may resupplied ...

Page 2: ...oving the cabinet pans 1 Pull outthe TM 1 PWB Ass yfrom CN301 and CN302 while 1 Remove the 12 pin connector from CN511 and the two pressing and spreading out the four clamps K as shown screws D and then remove the PW 1 PWB Ass y by the arrows 2 Remove the two red screws E and then remove the 2 Remove the holder settothe opening of the chassis while TN 5 PWB It is not necessary to remove the cables...

Page 3: ...L L M TP4H E2 2 D 5 PWB Tray LockLe at Cable B Main Unit Fig 1 1 2 M TP4HE 3 Socket of ACE Head Mech 6 2 12 CP I PWB CN302 0 Clamps Fig 1 1 3 n 71 Chassis e FlatCable Holder 3 ...

Page 4: ... fixed position of the connector to the CN511 for the PW I PWB Ass y mechanism uni and connect the flat cable of the Cylinder 5 Place the CP 1 PWBAss yabovethe mechanism main unit Ass y 7 along the cassette holder Insert the tip N of the terminal 3 Connect the 24 wire flat cable and the 2 pin connector to board into the opening 0 at the side of the chassis as the MC 2 PWB and then connect the 6 pi...

Page 5: ... L1 14212 N 1 1 1 2 MAIN CIRCUIT BOARD LOCATIONS L TP41 E pw J f r Vp i PWB S y PWB 7 TB 1 PWB TM 1 PWB MC 2 PWB r On the Mechanism _ TN 5 PWB Unit Fig 1 2 1 5 ...

Page 6: ...T 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 starting the first playback As this will deviate the tracking ce...

Page 7: ...splay in the indicator panel T 2 Adjust VR351 SW P so that the width T becomes 6 5 H 0 5 H as shown in Fig 2 1 3 WFS101 T 6 5 H t 0 5 H 0 5 H wW u Front edge of vertical sync signal t f Rise RF SW PULSE Fig 2 1 3 2 1 4 STILL V LOCK ADJ T Measuring Point Picture of monitor TV Measuring Equipment Color bar generator or Broadcasting Monitor ADJ Condition Self recording SI mode STILL mode Blank tape S...

Page 8: ... VHJ 0023 SP mode color bar 1 kHz Color bar signal waveform is described below Refer to Fig 2 2 3 Blank Tape VHS type cassette tape I Oscilloscope Probe Input capacity less than 25 PF 10 1 less than 40 pF 1 1 Covering frequency DC 40 MHz 10 1 DC 30 MHZ I I Frequency Counter 8 significant digits Adjustment Relay Jig VHJ 0067 12 wire flat cable for VP 1 PWB Ass y PAL TV TEST SIGNAL WPV SCS a bite Pe...

Page 9: ...ld case ma o VP 1 PWB ASS Y Fig 2 2 5 P1B105OOD VI CP 1 PWB FOIL SIDE Fig 2 2 6 u o 0 I c c1 7 Unit IC351 IC30 o Q VR234 R FO IC231 TP234 o P233 VR233 L FO VR201 BIAS b TP202 TP201 El I Iclol c 0 i i Icl11 IC303 c VRI02 DEV IC162 o AGC 0 120 Tplo Tuner i Unit TP120 VCO TP1020 j j fDTPl 03 VIDEO i OUT 9 ...

Page 10: ...Connect the color bar generator to the VIDEO INPUT terminal EURO AVI pin20 2 Adjust VRI02 AGC for O 5Vp pt 0 025 Vppasshown in Fig 2 2 8 WPV AGC 100 7 white 0 5 Fig 2 2 8 2 2 5 PB Y LEVEL ADJ Measuring Point Measuring Equipment ADJ Condition TPIOI Oscilloscope PLAY SP mode Test tape VHJ 0008 or vHJ 0023 I I ADJ Location ADJ Value VRIOI PB Y 1 Vp p k 0 05 Vp p 1 Play back a test tape in SP mode 2 A...

Page 11: ... Oscilloscope Blank tape 1 1 probe ADJ Location ADJ Value VR181 REC C 150 mVp p 5 mVp p 1 2 3 Connect the ground of the oscilloscope to the shield case of the VP 1 PWB Ass y Adjust VR182 REC V for the minimum video luminance signal level Adjust VR181 REC C so that the video chrominance signal level is 150 mVp p 5 mVp p Refer to Fig 2 2 11 WVCREC 150 mVp p Fig 2 2 11 2 2 10 Y REC CURRENT ADJ Measur...

Page 12: ...ut frequency Output level Output impedance Distortion ratio Output in use SG IO HZ 100kHz more than 1 Vrms 600 Q less than 0 17 Frequency 1 kHz 10 kHz switchable Output level 33 8 dBs 0 5 dB Color bar signel with 100 white level Signal waveform is described before Refer to Fig 2 2 1 Vertical sensitivity 10 mV DIV Band width morethan30 MHz Effective value indication Input frequency IOHZ 20kHz Input...

Page 13: ... all incoming signal 2 After confirming on the oscilloscope that a 70 kHz sine wave is being output adjust VR201 BIAS so that the AC voltmeter s reading is 24 mVrms B Measuring Point Measuring Equipment ADJ Condition AUDIO OUTPUT Oscilloscope Self recording terminal AC voltmeter SP mode EURO AV pin 3 Standard audio signal Blank tape Lch generator SG signal 33 8 dBs 1 kHz 33 8 dBs 10 kHz ADJ Locati...

Page 14: ...enu will appear SYSTEM is selected then press the OK button LANGUAGE SYSTEM SET AY 3 RECORDING AND PLAYBACK SYSTEM SETTING menu will appear AV AVI AUDIO ST are selected press the OK button 2 3 6 A FM CARRIER FREQUENCY ADJ Measuring Point Measuring Equipment ADJ Condition TP233 1 4 MHz Frequency counter I ADJ Location ADJ Value I VR233 L FO I 1 4 Ml iz 4 6kHz I k l J VR234 R FO 1 8 MHz 4 6 kHz 1 Co...

Page 15: ...TV ADJ Location ADJ Value VR611 RF AGC S N is best point on the IFcircuit 1 2 3 4 Connect the monitor TVto VHF UHF ANTENNA OUTPUT terminal Connect the antenna to VHF UHF ANTENNA INPUT terminal Receive the middle electrical field 70 dBK 90 dB of the VHFhigh channel andslowlyturn VR61 1 RF AGC from the point where snow noise is present to the point where it just disappears from the monitor TV Confir...

Page 16: ...1407015 613 1438644 613 1438651 613 1354739 613 1354753 613 145 7850 613 148 1022 613 1460997 411 021 3800 613 145 7867 613 1490215 613 149 5241 613 1468696 613 107 9403 613 095 4824 645 000 1734 645000 1826 613 146 8849 613 145 6600 613 1495753 613 1468276 613 1450707 613 1392182 613 121 1001 613 144 4461 613 147 3171 613 148 3439 613 140 7459 613 1456624 613 1498426 613 141 1395 613 1468290 613 ...

Page 17: ...AKE UP CD 1 CD 31 1 4 MA 8 OR OR HA 9 OR MA 10 OR MA 11 MA 12 OR MA 15 MA 16 MA 17 MA 18 MA 19 MA 20 MA 21 MO 22 MA 23 MA 24 MA 25 M I 26 MA 27 MA 28 MA 29 MA 30 MA 31 MA 32 MA 33 MA 34 MA 35 MA 36 Mfl 37 MA 38 MA 39 PARTS NO 412021 5306 4120158900 4120158504 411 109 1506 411 109 1407 613 1357150 613 1429116 4120267305 613 1357167 613 1429109 4120424302 613 135 7099 411 120 1301 613 1357082 411 02...

Page 18: ...ER MOTOR COMPL PCB MC 3 COMPL PWB MC 2 ROTARY SWITCH SCR PAN 2 6X13 ASSY SLIOE FRONT SPRING LEVER LOAO SPRING LEVER ACT HOLOER WORM HOLOER WORM WASHER 2 1X6X0 5 ASSY WORM LOAO BELT LOAOING WASHER SLIT 2 6X5X0 50 GEAR HELICAL ASSY LEVER REV GUIOE SPRINGrREVIEW LEVER 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...

Page 19: ...MECHANISM PARTS 2 6 5 MECHANISM PARTS 3 Undesignated numeral shows Location No MC 12 9 N S P A 4 l x4 N S P NO available as service parts I 93TP1 Mc l I 19 NS P Not available as service parts ...

Page 20: ... TA TR 2SB1320A R TA TR 2SC4038 Q TL2 TR 2SC4038 R TL2 TR 2SO1991O Q TA TR 2S01991A R TA TR 2SC4038 Q TL2 TR 2SC4038 R TL2 TR 2S01991A Q TA TR 2SD1991A R TA TR 0TC144EL TL2 TR UN6213 TA TR 2SC4038 Q TL2 TR 2SC4038 R TL2 TR 2S01991A Q TA TR 2S01991A R TA TR 2SC4038 Q TL2 TR 2SC4038 R TL2 TR 2SO1991rl Q TA TR 2S019919 R TA TR 2SA1561 TL2 Q TR 2SA1561 TL2 R TR 2SB1320A Q TA TR 2SB1320fl R TA TR 2SC40...

Page 21: ...1 TR DTC144EL TL2 TR UN6213 TA TR 0TC144EL TL2 TR UN6213 TA TR 2SC4038 Q TL2 TR 2SC4038 R TL2 TR 2S01991A Q TA TR 2SD1991kR TA TR 2SC4038 Q TL2 TR 2SC4038 R TL2 TR 2S01991A Q TA TR 2S01991A R TA TR 2SC4038 Q TL2 TR 2SC4038 R TL2 TR 2S01991A Q TA TR 2SD1991A R TA IC201 IC231 409 1893404 409301 3602 IC BA7755A IC AN3961NFBP A IC LC866648U 5420 IC MN1380 L IC MN1381 L TA IC LB1641 IC301 IC302 OR IC30...

Page 22: ...1SS133 T 77 OSC CRYSTAL 4 433619MHZ OSC CRYSTAL 4 433619MHZ OSC CRYSTAL 4 433619MHZ CRYSTAL 17 734475MHZ OSC CRYSTAL 17 734475MHZ OSCJCERAMIC 13 31MHZ OSC CERAMIC 13 31MHZ OSC CRYSTAL 32KHZ OSC CRYSTAL 32 768KHZ UR SEMI 22KB UR SEMI 22KB LOCATION PORTS NO VR102 613 1208421 OR 613 1208575 VR103 613 1477216 OR 613 1477223 VR104 6130792532 OR 613 1208544 VR201 613097 7915 OR 613001 9097 VR233 6450027...

Page 23: ...U M 16V 68P J 50V 47P J 50V LOCATION C1106 C1107 C1109 Clllo C1311 C1601 C1602 C1621 C1622 C1623 C1624 C1625 Cl627 C1628 C1630 C1631 C1632 C1633 C1634 C1635 C1636 C1637 C2001 C2002 C2003 C2004 C2005 C2006 C2007 C2009 C201O C2019 C2021 C2022 C2023 C2024 C2025 C2027 C2030 C2301 C2302 C2303 C2304 C2305 C2306 C2307 C2308 C231O C2311 C2312 C2313 C2314 C2315 C2316 C2317 C2318 C2319 C2320 C2321 C2322 C23...

Page 24: ...0V POLYESTER 0 022U K 50V CERAMIC 2200P K 16V CERAMIC 1500P K 16U CERAMIC 10OOP K 50V ELECT lU M 50V CERAMIC O OIU M 16V ELECT 0 47U M 50V CERAMIC 0 022U K 16V ELECT 47U M 6 3U ELECT 220U M 6 3U MT POLYEST O 12U J 50V LOCATION C3552 C3553 C3554 C3555 C3556 C3558 C3560 C3570 C3571 C3599 C6001 C6002 C6003 C6004 C6005 C6006 C6007 C6009 C601O C6011 C6012 C6013 C6022 C6032 C6097 C6098 C6099 C6601 C6602...

Page 25: ...CATION R2001 R2002 R2003 R2004 R2005 R2006 R2007 R2008 R201O R2013A R2015 R2020 R2035 R2036 R2038 R2301 R2302 R2303 R2304 R2305 R2306 R2307 R2308 R2309 R231 O R2311 R2312 R2313 R2314 R2315 R2316 R2317 R2318 R2319 R2320 R2321 R2322 R2323 R2324 R2329 R2330 R2335 R2336 R2338 R2339 R2340 R2343 R2344 R2345 R2346 R2347 R2348 R2349 R2350 R2351 R2352 R2353 R2354 R2355 R2356 R2360 R2361 R2368 R2371 R2380 2...

Page 26: ...K JA l 4W 510 JA l 4W 510 JA l 4W 1 5K JA l 4W 8 2K JA l 4W 4 7K JA l 4W 15K JA l 4W 10K JA l 4W 8 2K JA l 4W 10K JA l 4W 100K JA l 4W 220K JA l 4W 100K JA l 4W 10K JA l 4W 330K JA l 4W 470 JA l 4W lK JA l 4W LOCATION R6003 R6004 R6005 R6006 R6007 R601O R6011 R6016 R6017 R6018 R6019 R6021 R6022 R6601 R6602 R6611 R6612 R6613 R6621 R6622 R6623 R6624 R6901 R6902 R6903 R6904 R6905 R6906 R6907 R6908 R6...

Page 27: ...04 C1805 C1806 C1808 C1809 C181O C1811 C1812 C1813 C1814 C1815 C1816 C1817 C1818 C1831 C1832 C1833 C1834 C1835 C1851 C1852 C1853 C1854 C1855 C1861 C1862 C2901 C2902 C2903 C2904 C2905 C2906 C2907 C2908 C2909 C291O C2911 C2912 C2913 403 1543307 403001 1906 403 1208602 403001 1906 403 1938509 403001 1906 403001 1906 403001 1906 403001 1906 403001 1906 403001 1906 403001 1906 403001 1906 403001 8004 4...

Page 28: ...1006909 OR 407091 6902 05109 4070995105 05113 4070997604 05114 407 1536208 INDUClliRS L5002 A 613 1406438 L5101 613 1076884 L5102 613 1104198 OR 6450024122 TRANSFORMER T5001 A 6450024412 CAPACITORS c5001 A 4040555001 C5002A 4040554905 C5003A 4040328407 c5004 A 4040328704 C501O 403238 1809 C5011 403222 1808 C5012 4030589504 C5013 4030589504 C5014 4032439203 C5016 4030940800 C5017 403061 7702 C5101 ...

Page 29: ...HR 390SP IC BA7021 EXCEPT VHR 390SP IC BA7630S VHR 390SP ONLY ZENER OIOOE GZS5 6X BT EXCEPT VHR 390SP ZENER DIOOE MTZ5 6B T 77 EXCEPT VHR 390SP LOCATION 08602 OR 08603 OR 08604 OR D8605 OR 08606 OR D8607 OR 08608 OR D8609 OR 08610 OR D8611 OR 08612 OR 08651 OR D8698 OR 08699 OR PARTS NO 4070707104 4070536704 4070079904 4070124406 407007 9904 4070124406 4070079904 4070124406 4070079904 4070124406 4...

Page 30: ...4W VHR 390SP ONLY CARBON 820 J 3 l 4W VHR 390SP ONLY CARBON 820 J I l 4W VHR 390SP ONLY CARBON 39 JO l 4W VHR 390SP ONLY CARBON 33 JA l 4W VHR 390SP ONLY LULH IlUN R8614 R8615 R8616 R8617 R8618 R8619 R8620 R8621 R8623 R8624 R8625 R8626 R8627 R8628 R8629 R8651 R8652 R8653 R8654 R8655 R8656 R8657 R8663 JACKS JK851 JK852 JK853 JK854 JK861 JK862 401 0124404 401 0124404 401 020 1907 401 020 1907 401 02...

Page 31: ...U K 50V 10U M 16V 10U M 16V O OIU K 50V O OIU K 50V LOCATION PARTS NO C6757 403 139 1007 C6758 403031 2201 RESIST5RS R6701 R6702 R6703 R6704 R6705 R6706 R6707 R6715 R6716 R6717 R6718 R6719 R6720 R6722 R6723 R6726 R6727 R6728 R6729 R6730 R6731 R6732 R6733 R6734 R6735 R6736 R6737 R6738 R6739 R6740 R6741 R6742 R6743 R6745 R6748 R6750 R6751 JUNPERS J6704 J6705 J6706 J6715 J6726 J6730 J6741 401 0382002...

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