Sharp RD-720H Service Manual Download | Manualshive

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Summary of Contents for RD-720H

Page 1: ... 4 MECHANICAL ADJUSTMENT 5 TEST TAPES FOR MEASUREMENT 6 Page EXPLODED VIEW 7 8 SCHEMATIC DIAGRAM 9 10 WIRING SIDE OF P W BOARD 11 12 NOTES ON SCHEMATIC DIAGRAM 13 REPLACEMENT PARTS LIST 14 15 INHAL TSVERZEICHNIS Seite TECHNISCHE DATEN 3 BEZEICHNUNG DER TEILE 2 3 ZERLEGEN 4 MECHANISMUSEINSTELLUNG 5 TESTBÄNDER FÜR MESSUNG _ _ 6 Seite EXPLOSIONSDARSTELLUNG 7 8 SCHEMATISCHER SCHALTPLAN 9 10 VERDRAHTUN...

Page 2: ... sec 2 track l ehannel monophonie 200 Hz 6 000 Hz 27 dB Power source Weight Tape Tape speed Track system Frequency response Signal noise ratio s ecif ica ions for this model are subjeet to change withOU pnor not lee NAMES OF PARTS 1 Tape Counter and Reset Button 2 Battery Record Indicator 3 Cassette Compartment 4 Stop Eject Button 5 Reeord Button 6 Play Button 7 Rewind Review Button 8 Fast Forward...

Page 3: ...pannungsbuchse Kopfhörerbuchse Fernbedienungsbuchse Mikrofonbuchse Lautstärkesteller RD 720H POUR LA DESCRIPTION COMPLETE DU FONCTION NEMENT OE CET APPAREIL SE REPORTER AU MODE O EMPLOI CARACTI RISTIQUES Alimentation 6 V CC 4 piles ä haut rende ment au rnanqanese UM SUM 3 ou R6 ou externe de 6V CC 1 8 V 100 ohm 2 CI 1 transistor 3 diodes 1 LEO Largeur 119 mm Hauteur 32 mm Profondeur 166 mm 440 g s...

Page 4: ...usführen von Wartungsarbeiten auf statische Elektrizität der integrierten Schaltkreise und anderen Schaltungen achten t I ABBILD I L_ T __E NEN FAHREN UNG I 1 Frontplatte 1 Batterie I fachdecket lAI 2 Schraube Blx4 4 1 I r 2 I Laufwerkblock _ _hr _b _ _ _ _____ __ I_x714 2 I 1 Schraube IOlx2 4 2 3 1 Ton Leiter platte BIX2 q 2 6x4mm Figure 4 1 IClx1 q 2 6x8mm IClx1 q 2 6x8mm ILV _l _ IClx2 t112 6x6...

Page 5: ...GEN NENNUNG LEHRE PUNKT PRÜFUNG Azimut Testband Azimuteinstell Sinuswellenform MTT 113 schraube wird maximal Bandge Testband VR2 2985 t 10 Hz schwindig MTT 111 keit RD 720H VR2 e Figura 5 1 ADJUSTMENT POINT Monitor Jack Frequency Counter 11 I 1111 000 Record P ayback Head Figure 5 3 TAPE SPEED RI GLAGE MECANIQUE ARTICLE GABARIT POINTS OE REMARQUES R GLAGE VERIFICATlON Azimuth Bande d essai Vis de ...

Page 6: ...I I PEGEL B Typ 200 nwb m Typ Pege ein i E CHUNG stellung LEER MTT 502 Überprüfung CASSETTE dar Aufnahme frequenz BANDES D ESSA TYPE CASSETTE COMPACTE TlTRE MODELe FREQUENCE APPLICATION NIVEAU PLEURAGE MTT lll 3 kHz 10dB Verification de a viteSS8de bande et du p eurage et scintillement AZ MUTH MTT 113 6 3kHz 10dB Reg age de MTT 113C 8 kHz 10 dB azimuth de MTT 114 10 kHz 10 dB a t6te D STORS ON MTT...

Page 7: ...1 4 4 c E F G 6 12 78 20 78 83 46 5 37 78 9 59 78 H 5 7 29 33 B c D E F G 71 H 6 Do not sale ...

Page 8: ... RD 720H 4 5 ____ I t _ _ i 0 _ 351 e t I G I I I A 116 114 0 112 1 IH 2 3 1 308 B 307 c o 111 withVR1 e F 353 352 354 303 _ lO5 309 1 I 1 304 116 117 115 110 113 5 6 A B c o E F Do not sale ...

Page 9: ...316 IM 4 7 6 3V 51 4 p R r__ 1 33 K 1 IOVI C7 a004_ R 22 R25 IN60P VR 1 10K A R26 I K C20 H CI9 04 3 516 3V D4 7EBI3 or HZl5A 3 22K I 1820 R27 6ßK Q 2 LED DRIVE 25 4V 2S 0 7V R31 10 25 R2B 4_7 K 1 02 2DA90orl L _ REF NO OESCRIPTION POSITION 51 1 6 RECORD PLAYBACK PLAYBACK 52 POWER OFF 53 FF RWIND OFF f 54 MONITOR ON i NOTES ON SCHEMATIC DIAGRAM can be found on page 13 ANMERKUNGEN ZUM SCHEMATISCHEN...

Page 10: ...Cl0 100 0 068 20lI0 C23 11 I 0 1 0 0022 I I 7 I 1L J R I Volume ContfOl rI 7 7 I I 1 R34 R33 I C2785 E or 270 820 1 C2785 F or _ R30VR2 SF Volume Control C2458 GR 1 100 VR R3S _ _ 00 I I I I 2 1I 4WI I M I 6V 1 IC2 OV I I k 03 I I I j TLR208 C2 4 2 SV 1 I ftA lftP_ _ JJPCI470H L R J J2 MON Tvl 2 3 5PEAKEl 1 8 J3 REM 52 C J4 EXT oe TOIIQUE CONTROL RESlSTOA 6V UM SUM 3x4 MOTOR E F µPC1470H µPC1350C ...

Page 11: ...RECORD PLAYBACK HEAD tu I I z gll B C 01 I _ HllS II A U_ CS a R3 u ED J r BLACK el wH1TE R7 I J aJ 0 a Zo o TLR208 J o o o I D N FI 5 a U U CA C7 MA I GI I I q 2SC2785 E m UM SUM 3x4 I I I I E C B H 6 11 Figure11 WIRING Do not sale ...

Page 12: ... RD 720H 7 fO 12 9 8 1 GV p BLACK 7 t 8 IDE OF P W BOARD 12 11 MOTOR SPEAKER 11 A B CI o E F G H Do not sale ...

Page 13: ...s Kondensators ohne Symbol ist Mikrofarad Für Elektrolytkondensatoren wird die Be zeichnung Kapazität Stehspannung benutzt_ Relolance Pour differencier les unites de rlisistances on utilise des symbole tels que K le symbole K signifie 1000 ohms et la resistance donnee sans symbole est une resistance de type ohm Condensateur Pour indiquer I unite de cOndensateur on utilise le symbole P ce symbole P...

Page 14: ...0868214 820 ohms AA or R9 97W0920862234 22 kohms AA 97W09140u84oo Silicon DS442 AC Rl0 97W0920861 024 1 kohm AA or Rll 97W0920863324 3 3 kohms AA 97W09140094oo Silicon DS442Y AC R12 97W0920862234 22 kohms AA or R13 97W0920861 014 100 kohm AA 97W09140066oo Silicon MAl 50 AC R14 97W0920861 024 1 kohm AA 02 97W09140017oo Silicon 1 N60 AC R16 97W0920861004 10 ohm AA or R20 97W0920861 014 100 ohm AA 97...

Page 15: ... AA 25 97W0380132100 Plav Lever AC 115 97W0971126041 Screw T2 6 x 4 SN AA 26 97W03B0133100 Rewind Lever AC 116 97W0976026081 Tapping Screw TP2 6 AA 27 97W0380134100 FF Lever AD X B SN A 28 97W0380149100 Pause Lever ASs y AE 117 97W0986602611 Washer TW2 6 SN A AA 29 97W0500170OOO F ywhee Shaft Support AA 201 97W0231415OOO Compression Spring AB 30 97W0500130100 Eject Arm AC 202 97W0666501ooo Volurne...

Page 16: ...A 24411 100 S R0720H EGF 130 C81086 106002000 1 Writer and Editor Engineering Administration Section of Audio Systems Group Sharp Corp I A8503 4719NS TU J I Printed in Japan ln Japan gedruckt lrnprirne au Japon Do not sale ...

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