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Now downloading free:SENNHEISER SK50

SENNHEISER SK50 free download

Professional audio systems service manuals and repai information

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File name:SK50 rumble.pdf
[preview SK50]
Size:409 kB
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Mfg:SENNHEISER
Model:SK50 🔎
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Descr:Service info
Group:Electronics > Consumer electronics > Audio > Professional
Uploaded:05-09-2007
User:jevgenyij
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File name SK50 rumble.pdf

Service-Info SI 960718-12 SK 50-UHF TECHNISCHE ÄNDERUNG SK 50-UHF FEHLERBESCHREIBUNG: In einigen Fällen kann im Bereich 3 (680 - 800 MHz) und Bereich 4 (800 - 960 MHz) tieffrequentes Rumpeln auftreten. SK 50-UHF, TECHNICAL MODIFICATION TROUBLE: With some SK 50-UHF there may be low-frequent rumble in range 3 (680 - 800 MHz) and range 4 (800 - 960 MHz). ABHILFE: Auf der Grundplatine und der VCO-Platine (Leiterplattennr. 53055) werden folgende Variablen geändert. REMEDY: The following variables on the main board and VCO module (PCB no. 53055) are changed. Bereich 3: ­ C22 ­ C26 ­ R65 auf 10 pF auf 4,7 pF auf 4,7 Range 3: ­ C22 ­ C26 ­ R65 into 10 pF into 4.7 pF into 4.7 Bereich 4: ­ C22, 26, 27 auf 3,3 pF ­ C28 auf 4,7 pF ­ L4 auf 6,8 nH Range 4: ­ C22, 26, 27 into 3.3 pF ­ C28 into 4.7 pF ­ L4 into 6.8 nH ALLGEMEINES: Zur Linearisierung des NF-Frequenzgangs wurde der Widerstand R117 auf 3,9 k geändert. Heften Sie diese Service-Information zu der Service-Anleitung: ­ SK 50-UHF ab Seriennr. 300000 (Ersatzteilnr. 53289) GENERAL: The resistor R117 was changed into 3.9 k for linearization of the AF frequency response. Please file this service information together with the respective service manual: ­ SK 50-UHF from serial-no. 300000 (Spare part no. 53289) INHALT: ­ SK 50-UHF, Stromlaufplan (Leiterplattennr. 53055), Auszug ­ SK 50-UHF, Gedruckte Schaltung, Auszug ­ SK 50-UHF, Variablentabelle CONTENTS: ­ SK 50-UHF, Circuit diagram (Circuit board no. 53055), extract ­ SK 50-UHF, Printed circuit board, component side, extract ­ SK 50-UHF, Table of variables Sennheiser electronic GmbH & Co. KG · D-30900 Wedemark · Tel. 0 51 30 / 600-0 Änderungen vorbehalten / Subject to alterations / Sous réserve de modification SK 50-UHF, STROMLAUFPLAN, AB SERIENNR. 300000, AUSZUG SK 50-UHF, CIRCUIT DIAGRAM, FROM SERIAL NO. 300000, EXTRACT U1 C5 M4 3 7 9 7 8 1 R101 R102 R104 Q14 R113 R96 R99 R108 R103 R112 R116 C71 C80 C78 R105 C79 C84 C70 R100 Y1 U8 R97 R117 C73 C75 R98 C72 C51 C46 R65 Q9 C39 L12 C88 C74 R26 R64 C10 TP14 R67 R32 R31 C6 U5 C9 TP32 R36 R51 C45 R109 C81 C89 R107 R120 TP12 TP11 TP23 C21 TP10 TP9 TP7 TP6 TP30 TP5 TP8 D3 C22 L6 C23 R38 R86 TP16 R40 R42 R46 C35 TP24 R49 TP13 C26 L4 C27 D4 C28 R39 C44 C40 R58 D7 L8 TP15 C33 R48 Q3 Q2 SK 50-UHF, BESTÜCKUNGSSEITE, AB SERIENNR. 300000, AUSZUG SK 50-UHF, COMPONENT SIDE, FROM SERIAL NO. 300000, EXTRACT SK 50-UHF, VARIABLENTABELLE, AB SERIRNNR. 300000 SK 50-UHF, TABLE OF VARIABLES, FROM SERIAL NO. 300000 TP31 R21 TP33 L10 Q7

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