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ORDER 83040229C8-12 Service Manual Cassette Deck RS-M233X dbx/Dolby B • C NR-Equipped Stereo Cassette Deck (Silver Faceh kBlack Face/ DOLBY This is the Service Manual following areas. For all European areas except United Kingdom. United Kingdom. ••••For Asia, Latin America,...
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RS.M233X CONTENTS PAGE ITEM ITEM PAGE • Location of Controls and Components • Circuit Boards and Wiring • Disassembly Instructions Connection Diagram . 17 • Measurement and Adjustment Methods ..• Mechanical Parts Location (included • Block Diagram..Mechanical Parts List) •...
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RS-M233X Main case Claw; BACK SIDE meter unit REC LED Slide volume circuit board Fig • 4 Fig. 5 IMain circuit board] 05) I Claw; Fig. 6 Procedure To remove — Remove —. Shown in fig. —. • 2 ornament screws ...(A)
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RS.M233X Ref No. To remove —. Procedure Remove —. Shown in fig. —. • Reset Lever ..(M) Mechanism unit • 4 screws Headphones circuit board • One • Connector • Screw Slide volume circuit • As shown in fig. 4, push the claw in 1—10 the direction of arrow @, pull the board...
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RS.M233X 3. Turn screw (B) shown in fig. 3 to find angles A and C (points where peak output Record/playback head levels for left and right channels are obtained). Then, locate angle B between angles A and C, i.e., and point where L-CH and R.CH outputs are balanced.
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RS-M233X @ Playback gain Condition: Equipment: • Playback mode • Oscilloscope • Normal tape mode • Test tape...QZZCFM Test equipment connection is shown in fig. 2. Playback standard recording level portion on test tape (QZZCFM 315 Hz) and, using VTVM, measure the output level at test points [TP5 (L-CH), TP6 (R-CH)I.
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RS.M233X RS.M233X Adjustment (A): Adjustment (B): Adjust the ATT so that the output level at LINE OUT becomes 0.38V BLOC +3dB (The input level at this condition is called the standard input level). When curve exceeds When curve falls below +3dB fiZäüiiiii +20B...
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RS.M233X RS.M233X BLOCK DIAGRAM (L.CH only) R317 Connection 4.7K R319 Wlre $4-1 Easi 'bias' NOTES: Spectral —Sl-14 selector switch (shown in playback 'Osv Skewing Anti-Saturation position). Network 'osv filter Q303 S2-1 SS 2 Sl.2 • S2-1 Dolby C NR INIOUT switch (shown in OUT position).
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011. 12 013, IM5218L1 2SDS92NCS 2SJ400 2SDW0,R) 2SK381D t2SD9651 HEADPHONES/ CM3Q t2SOS921 t2SK3811 PSJ401 METER LINE NOTES: • Sl.1—S1-14.. .Record/playback selector Switch (Shown in playback SS-I position). 8133 NOTES: .DolbY C NR INIOUT switch (shown in OUT position). • S2-1 HEADPHONES .DOlby B NR IN/OUT Switch (shown in OUT position).
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RS.M233X RS.M233X CIRCUIT BOARDS AND WIRING CONNECTION DIAGRAM FL METER CIRCUIT BOARD EARTH METER PLATE-2 (to Main Case) O MAIN CIRCUITBOARD 0301 LINE OUT LINE IN •-0.33V 10.ov-052V 0303 HEADPHONES JACK R31i -639 VR301 CIRCUIT BOARD b 18 0131 0.6M 05--06 0303 PEAK...
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RS.M233X RS.M233X RS.M233X RECORD/PLAYBACK S502: ROTARY SWITCH T501: AC POWER HEAD S14 : PLAYBACK S13: CUE/REVIEW (AC POWER VOLTAGE SELECTOR) TRANSFORMER Lug TERMINAL SWITCH SWITCH (to Mechanism Unit) AC POWER CORD 123456 MOTOR S501: POWER ONIOFF SWITCH 0.09V For United Kingdom. T501: AC POWER TRANSFORMER...
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RS.M233X RS.M233X (REAR VIEW) MECHANICAL PARTS LOCATION (FRONT VIEW) M137 M 104 M106 M127 M142 M 03 M 73 M60 M59 M112 M 70 .M33 i"Y93 M114 M134 MIM 21.1%126 M129 M133 M 79 M65 ey M115 M118 M120 M 78 fM47 M119 ...134...
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RS.M233X RS.M233X CABINET PARTS LOCATION • O...For all European areas Ret, NO. Part Part Name & Description except United Kingdom. XTN3 + 6B Tapping Screw @3x6 G 10 OTSM0088 Shield Plate n136* G 11 POWER SUPPLY 30 | OKMM0052 Main Case CIRCUIT BOARD...
RS.M233X ELECTRICAL PARTS LIST CAPACITORS NOTES: RESISTORS ..Carbon ECBA Ceramic ECEO Electrolytic ERD. ECGO Ceramic ECEON . Non polar electrolytic Metal-oxide ECKO Ceramic ECQS . Polystyrene . Metal-oxide REPLACEMENT PARTS LIST ECCO Ceramic ECSCJ Tantalum . Metal-ti\m Important safety notice ECFCJ .
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RS-M233X CONNECTORS Removing contacts Push the pawl of a contact each hoie in the housing with a flat screwdriver and pull lead wire to remove contact. TERMINATIONS IC3, 4 ICI, 2, 7, 201 IC202 IC5, 6 Cat node A nooe 01—4, 7, 8, 15,...
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• Mode de bande normale • Oscilloscope trer ces signaux sur Ia bande étalon d'entretien du modéle No. RS-M233X. • Bande étalon...QZZCFM Reproduire Ies signaux enregistrés limites indiquées par Ia courbe de r (Si Ia courbe est comprise dans Ies REMARQUES: Placer les interrupteurs et Ies contröles dans Ies positions Suivantes, sauf indication contraire.
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(Le compensateur d'enregistrement est fixe.) Vumétre fluorescent Condition: Equipement: Brancher Ies appareils comme indiqué dans Ia Fig. 10. e cet appareil avec précision. • Mode d'enregistrement • Voltmete électronique Placer I'UNITE en mode pour bande normale, et introduire la bande étalon vierge normale (OZZCRA). •...
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Vumötre fluorescent Condition. Equipement: O Réglage du temps de Condition: Equipement: • Mode d'enregistrement • VOItmét,-e électronique recouvrement å I'attaque • Mode d'enregistrement -,ale (QZZCRA). • Voltmétre électronique • Contröles de niveau • Atténuateur (circuit dbx) • Contröles de niveau de I'atténuateur.
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315Hz, 12,5kHz, 8kHz, I kHz, 250Hz, 125Hz, und 63Hz messen und jede Ausgangsspannung mit Die in Schritt 6 aufgezeichne der Standardfrequenz 315Hz an der LINE OUT. RS-M233X. liegt, der im Frequenzgangdi Messungen an beiden Kanälen durchführen. benen Bereichs liegt, mit de Prüfen, 0b die gemessenen Werte innerhalb des in der Frequenzgang•Übersichtaufgeführten Bereichs liegen.
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MeBgerät: Fluoreszenzmeter Bedingung : O Einsatz (Der Aufnahme-Entzerrer ist fest eingestellt.) • Aufnahme • Röhrenvoltmeter Justierung Den MeBaufbau zeigt Fig. 10. • Eingangsregler...MAX • NF.Generator (dbx Scha Gerät auf Betriebsart "Normalband" schalten, und Testband (QZZCRA) einlegen. • Abschwächer • Abgleichkontrolle An LINE IN ein Signal von IkHz, —24dB zuführen.
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...For Asia, Latin PARTS COMPARISON TABLE: America, Middle Please revise the original parts list in the Service Manual (RS-M233X) to conform to East Africa the changes shown herein. areas. If new part numbers are shown, be sure to use them when ordering parts.