Page 1: ...MM531433 CIRCUIT DIAGRAMS Refer to the separate volume rpRODucTsAFETyNOT 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 ratings shown NOTE 1 Patisorder ...
Page 2: ...for the self diagnosis numbers and the Mechanism Mode Display Contents for the mechanism mode numbers Self Diagnosis number Mechanism mode number Reception channel display Tape counter Seconds display Self Diagnosis Contents No 00 01 02 03 04 E 05 Problem Main Possible Cause Mechanism Operations and State After Occurrence There is no abnormality in the mechanism The cylinder motor does not rotate ...
Page 3: ...IEW 2 tact is faulty IDLER 3 STILL 4 BRAKE and to shifts to the INITIAL mode and the 5 STOP power goes off Note For details of mechanism operations corresponding to the mechanism positions of the self diagnosis numbers 08 and 09 above refer to the separate volume on the V95 I mechanism manual These manual reference numbers are shown in the cover Mechanism Mode Display Contents rvlode No Mechanism ...
Page 4: ...n theaverageoutputvoltage of the two channels is less than 0 5V Tracking adjustment has not been performed accurately Both video heads are clogged Both video heads have worn out When the output voltage dif ference of the two channels is more than 0 95V Tracking adjustment has not been performed accurately c One video head is clogged One video head has worn out Some rental cassettes may have extrem...
Page 5: ...del can be the arrow direction to remove the lock as shown in the performed with only the cabinet removed enlarge view A and by pushing the lid opener lever in When replacing the bottom cover do not tighten the arrow direction to remove the lock as shown in the the screws too much Excess tightness may enlarge view B damage the screw taps on the chassis 5 Lift up the whole mechanism unit and main b...
Page 6: ...16602 N M2 M PP21JE 2 Tray Lock Lever B Fig 1 1 2 M PP2UE 3 PWB Assembly TM Clamps D Chassis Fig 1 1 3 w 6 ...
Page 7: ...main remote control board facing up L M PP4HIG 4 CP 1 PWB Assembly Foil side TM 1 Mechanism Main Unit Fig 1 1 4 1 3 INSTALLATION OF THE FRONT PANEL When installing the front panel to the chassis after repaires and adjustments 1 Pressing down the door opener lever of the mechanism Note Opened cassette door position does not install the main unit front panel to the chassis 2 Set the cassette door to...
Page 8: ...15548 N L1 1 4 MAIN CIRCUIT BOARD LOCATIONS L PWEX 3 in 1 Tuner Tuner lF RF Conv VP 1 PWB Assembly CP 1 PWB Assembly TM 1 PWB ...
Page 9: ...s 1 to 3 have been finish ready to operate the all operating mode 2 1 SERVO CIRCUIT ADJUSTMENT These adjustments should be done upon completion of the tape transport adjustments If the tape transpofl adjustments except the tilt adjustment are done 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 imm...
Page 10: ... 4 SLOW TRAKCING ADJ Pleasuring Point Picture of monitor TV Pleasuring Equipment Color bar generator or broadcasting monitor Adj Condition Self recording SP mode SLOW mode Blank tape Self recording LP mode SLOW mode Blank tape Adj Location I Adj Value CHANNEL button CHANNEL button 1 2 3 4 5 6 Set the tracking control to the center position by press ing CHANNEL buttons and simultaneously Play back ...
Page 11: ...bar signal waveform is described below Refer to Fig 2 2 1 Adjustment Relay Jig VHJ 0066 7 wire flat cable for VP 1 PWB assembly ALIGNMENT TAPE COLOR BAR SIGNAL WPV TCS J3 gj White Iv Vp p H Sync signal Color bar signal waveform VHJ 0008 Fig 2 2 1 WPV TCP m f g s gi 75 vu 100 0 White Black Color bar pattern VHJ 0008 on monitor TV Fig 2 2 2 ADJUSTMENT RELAY JIG Connect the flat cable end from the cy...
Page 12: ... SpecifiedValue 0 5 Vp p 0 05 Vp p 1 Connect the color bar generator to the video input terminal 2 Make sure that the AGC level is 0 5 Vp p t 0 05 Vp p as shown in Fig 2 2 5 WPV AGC 1007 White 0 5 Vp p 0 05 Vp p P L Fig 2 2 5 2 2 4 PB Y LEVEL CHECK Measuring Point TPIOI VIDEO OUT Measuring Equipment Oscilloscope Fig 2 2 4 Adj Condition I PLAY mode I Alignment tape VHJ4008 or VHJ 0023 Adj Location ...
Page 13: ...sitivity 10 mV DIV Bandwidth more than 30 MHz AC Voltmeter Effective value indication Input frequency 10 Hz 20 kHz Input impedance more than 1 MQ Measurement level 1 mV full scale Blank Tape VHS type cassette tape L 2 3 2 LOCATION OF ADJUSTMENT POINTS P362WB 1A8 9 3 in 1 Tuner o f2N 51 Tp201 7 TP202 1 J f t IC201 e VR201 m J3087 v CN303 l P 1 I I 1 1 1 1 1 I Sh x 1 IC602 on CP I PWB Foil side hese...
Page 14: ...ring Equipment Adj Condition Picture of Monitor TV E E mode monitor TV Adj Location Adj Value VR RFAGC SIN is best point on the 3 in 1 tuner 3 TEST POINTS FOR TAPE PATH ADJUSTMENT 1 Connect the monitor TV to the VHF UHF antenna output terminal 2 Connect the VHF or UHF antenna to the VHF UHF an tenna input terminal 3 Receive the middle electrical field 70 dBV 90 dBp of the VHF or UHF channel and sl...
Page 15: ... S P Not available asservice parts 11 I 10 LOCATION PARTS NO CABINET CHASSIS PARTS CH 1 411 1370007 CH 2 411 021 7907 CH 3 613 1606883 CH 4 4120525108 CH 5 412028 406 CH 6 613 1606036 CH 7 411 021 3800 CH 8 613 1635296 CH 9 613 1603615 CH 10 613 1649101 CH 11 6450078941 CH 17 613 1605091 CH 20 613 1608030 CH 21 613 1649453 CH 22 613 1530478 CH 23 613 163 8 21 CH 25 613 121 1001 CH 29 411 001 1901 ...
Page 16: ...0100 20200 20210 OR OR 20300 20310 20400 20410 20600 20700 30300 30400 30500 30600 30700 30800 30900 31100 31700 31800 40100 40200 40300 50100 50110 50200 50210 fl 010 f 9 6073 6102 N P i 40 00 1 20 20210 0300 30500 b I 0800 Wd 1000 11oo tfl PARTS NO 613 151 6618 407 162 1102 407 1628705 4070430101 4120488106 613 1605503 613 1604193 412021 5306 4120158900 4120158504 613 151 8889 4120487505 613 151...
Page 17: ...0800 31000 31200 31300 31400 31500 31600 40400 5030A 5030B 5030C 5040A 5040B 5040C 60100 60200 60300 60400 60500 60600 60610 60700 60800 60810 70500 70510 PARTS NO 4120488304 613 1530836 4120489608 613 151 8582 4120488007 613 1604186 411 109 1605 613 151 9039 613 152 0165 613 1590991 613 1590847 613 1520332 613 151 9459 613 1520349 613 1537583 613 152 2763 613 1520370 613 151 8766 613 152 2770 613...
Page 18: ...80200 405 063 9708 4050639302 405 1242808 4050639708 4050639708 4050576201 DESCRIPTION LOCATION Q3551 OR TR 2SC4038 Q TR 2SC4038 R TR 2S01991A Q TR 2SD1991A R TR 2SC4640S TR 2SC1740S Q TR KSC2785 Y TR 2SC1740S R TR 2SC4640S TR 2SC1740S Q TR KSC2785 Y TR 2SC1740S R TR 2SC3399 TR DTC144ES TR 2SC4640S TR 2SC1740S Q TR KSC2785 Y TR 2SC1740S R TR 2SA1782T AC TR 2SA933S R TR 2SC4640S TR 2SC1740S Q TR KS...
Page 19: ...C1OG DIODE 1SS244 DIODE APO1C DIODE RL2Z LF C4 DIODE ERB93 02L3 05102 407 1695707 OR 407 1609308 05103 4070782705 05104 4070782705 05105 407 1006909 OR 407 091 6902 05106 4070638903 05107 4070638903 05108 4070638903 05109 4070996706 05110 4070049709 OR 4070058701 05130 407 144 4107 06901 407 0124406 OR 407 007 9904 06902 4070124406 OR 4070079904 06903 4070124406 OR 4070079904 CRYSTAL DEVICES Xlool...
Page 20: ...0 047U Z 16V 470U M 6 3V O lu z 50V 33P J 50V LOCATION C1401 C1402 C1403 C1404 C1405 C2002 C2004 C2005 C2009 C201O C2013 C2016 C2017 C2019 C2020 C2021 C2022 C2024 C2031 C2032 C2071 C2072 C2073 C2091 C2092 C2103 C2104 C3001 C3002 C3004 C3005 C3008 C3009 C301O C3011 C3012 C3014 C3016 C3017 C3018 C3021 C3022 C3034 C3501 C3502 C3503 C3504 C3505 C3506 C3507 C3508 C3509 C3511 C3512 C3513 C3514 C3515 C35...
Page 21: ...JA lK JO 2 2K JA l 4w l 4w l 4w 1 4t4 l 4w l 4w l 4w l 4w l 4w LOCATION R101O R1011 R1012 R1013 R1014 R1015 R1016 R1017 R1018 R102O R1021 R1022 R1024 R1029 R103O R1032 R1035 R1037 R1038 R1101 R1102 R1103 R1104 R1201 R1203 R1204 R1206 R1211 R1213 R1215 R1218 R1401 R2001 R2002 R2003 R2004 R2005 R2009 R201O R2011 R2012 R2013 R2014 R2018 R2021 R2022 R2023 R2024 R2025 R2026 R2031 R2032 R2033 R2034 R207...
Page 22: ...47K JA l 4W 390K JA 1 4W 10K JA l 4W lK JA l 4W 2 2K JA l 4W lK JA l 4W 510 JA l 4W 510 JA l 4W 1 5K JA l 4W 8 2K J J 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 2 7M KB l 2W 270K JA l 4W 270K JA l 4W 180K JA l 4W 270 JA l 4W 10K JA l 4W 15K JA 3W 10 JA l 4W 2 7K JA l 4W 9 1 JA l 4W 47K JA...
Page 23: ...K JA l 10W 560 J Il 10W 22K JA l 10W 22K JA l 10W R1905 401 038 5003 R1906 401 038 5003 R1907 401 037 5400 R1908 401 037 5400 R1909 401 0389001 R191O 401 0386307 R1911 401 0375400 R1912 401 0382002 JUHPERS J1811 401 037 5004 J1855 401 037 5004 J1857 401 037 5004 J1861 401 037 5004 J1862 401 0375004 J1864 401 0375004 J1881 401 037 5004 DESCRIPTION MT GLAZE 390 JA l 10W MT GLAZE 390 JA l 10W MT GLAZ...
Page 24: ...07 1487609 DIODE 0AN217 T146 CAPACITORS C5301 403 1303109 CER MIC 0 047U K 50V C5303 403 070 2606 CERfiMIC O lu z 50V C5401 403 130 3109 CERAMIC 0 047U K 50V C5402 403 069 1702 CERQMIC 1000P K 50V RESISTGRS R5301 401 037 5400 R5302 401 0387809 R5303 401 037 5608 R5307 401 0375004 R5401 401 0383504 R5402 401 0387601 R5403 401 0387601 R5404 401 0385102 R5405 401 0382101 R5406 401 0383504 R5407 401 0...
