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CA810 

8. Service and Repair 

If your system malfunctions, you should attempt to correct or isolate the trouble before concluding 
that the equipment needs repair.  Make sure you have followed the setup procedure and operat­
ing instructions.  Check out the interconnecting cords and then go through the TROUBLE SHOOT­
ING section in the manual 

We strongly recommend that you 

do not

 try to repair the equipment yourself and 

do not

 have the 

local repair shop attempt anything other than the simplest repair.  If the repair is more compli­
cated than a broken wire or loose connection, send the unit to the factory for repair and service. 
Don’t attempt to adjust any controls inside the units.  Once set at the factory, the various controls 
and trimmers do not drift with age or vibration and never require readjustment. 

There are no 

adjustments inside that will make a malfunctioning unit start working

The AKG service department is equipped and staffed to quickly repair your equipment.  In-war­
ranty repairs are made at no charge in accordance with the terms of the warranty.  Out of war­
ranty repairs are charged at a modest flat rate plus parts and shipping.  Since it takes almost as 
much time and effort to determine what is wrong as it does to make the repair, there is a charge 
for an exact quotation.  We will be happy to quote approximate charges by phone for out of 
warranty repairs. 

9. Returning Units for Repair 

You will save yourself time and trouble if you will follow the steps below: 

A.

 DO NOT return equipment to the factory for repair without first contacting us by letter or by 

phone.  We need to know the nature of the problem, the model number and the serial number 
of the equipment.  We also need a phone number where you can be reached 8 am to 4 pm 
(Mountain Standard Time). 

B.  

After receiving your request, we will issue you a return authorization number (R.A.).  This number 
will help speed your repair through our receiving and repair departments. The return authoriza­
tion number must be clearly shown on the outside of the shipping container. 

C.

 Pack the equipment carefully and ship to us, shipping costs prepaid.  If necessary, we can 

provide you with the proper packing materials.  UPS is usually the best way to ship the units. 
Heavy units should be “double-boxed” for safe transport. 

D. 

We also strongly recommend that you insure the equipment, since we cannot be responsible for 

loss of or damage to equipment that you ship.  Of course,  we insure the equipment when we 
ship it back to you. 

Mailing address: 

Shipping address: 

Telephones: 

AKG Acoustics GmbH 

AKG Acoustics GmbH 

(01) 86654-545 (Tel. Service) 

Lemböckgasse 21-25 

Lemböckgasse 21-25 

(01) 86654-514 (Fax Service) 

A-1150 Wien 

A-1150 Wien 

Austria 

Austria 

World Wide Web:

  http://www.lectro.com 

15 

Summary of Contents for CA810

Page 1: ...tspricht EN500 81 1 EN 500 82 1 EU Conformity This product conforms to EN 500 81 1 EN 500 82 1 Conformité CE Ce produit réspond à la norme EN 500 81 1 EN 500 82 1 Conformità CEE Questo prodotto risulta conforme alle norma EN 500 81 1 EN 500 82 1 Conformadad CE Este Producto cumple con la norma EN 500 81 1 EN 500 82 1 ...

Page 2: ...Handbuch 1 Einführung 3 1 1 Sicherheitshinweise 4 2 Installation 4 3 Beschreibung der Frontplatte 5 4 Beschreibung der Rückwand 5 5 Hinweise zur Bedienung 5 6 Fehlerbehebung 6 7 Spezifikationen 6 8 Wartung unr Reparatur 7 9 Reparatur Rücksendungen 7 2 ...

Page 3: ...törfeldern ebenso Dies ist besonders wichtig soll der CA810 in unmittelbarer Nähe von Mikrofon Vorverstärkern betrieben werden Die Eingänge des CA810 sind symmetrisch und mit HF Filter ausgeführt Nach der Pegelsteuerung gelangt das Signal in einen monolythischen Leistungsverstärker Die Spannungsverstärkung dieses Verstärkers beträgt 26dB x20 Jeder Verstärkerteil besitzt eine interne Leistungsbegre...

Page 4: ... 6W an 8 Ohm Abbildung 2 zeigt diese Anschlußart Input DRIVING DEVICE CA 810 GND Output GND Abbildung 2 Symmetrischer Eingang Normaler Ausgang Wird der CA810 mit einer unsymmetrischen Quelle gespeist so wird die von der Quelle kommende Masse sowohl mit dem Masseanschluß des CA810 als auch mit dem In Anschluß verbunden Abbildung 3 zeigt diese Variante BESCHALTUNG für BRÜCKENBETRIEB Zwei benachbarte...

Page 5: ...ER AMPLIFIER CH 4 LINE IN CH 2 CH 3 CH 1 MADE BY LECTROSONICS USA SPEAKER OUT 1 2 3 4 Abbidung 7 CA810 Rückwand LINE INPUTS 1 8 Erlaubt den Anschluß von symmetrischen oder unsymmetrischen Quellen Echter symmetrischer Eingang HF Filter SPEAKER OUTPUTS 1 8 Anschluß von Lasten mit minimal 4 Ohm im Normalbetrieb minimal 8 Ohm im Brückenbetrieb KALTGERÄTESTECKER Anschluß für 230VAC Standard Kaltgerätek...

Page 6: ...er unsymmetrisch 25dBu 615mVRMS bei Pegelregler auf Rechtsanschlag 15dBu 4 36VRMS bei Pegelregler in Mittelstellung Maximale Systemverstärkung Leitungseingang zu Lautsprecherausgang 20dB x10 Signal Rauschverhältnis 88dB bezogen auf 10W an 4 Ohm Gesamtverzerrungen THD 0 1 20Hz bis 20KHz 10W an 4 Ohm Intermodulationsverzerrungen IMD 0 1 60Hz 7KHz 10W an 4 Ohm Slew Rate 12V µs Max Leistungsaufnahme 1...

Page 7: ...aillierter Kostenvoranschlag in Rechnung gestellt werden Wir sind allerdings bemüht per Telefon die ungefähren Reparaturkosten für Reparaturen außerhalb der Garantiezeit zu schätzen 9 Reparatur Rücksendungen Wir bitten Sie die folgenden Schritte zu beachten um Sich selbst und uns die Abwicklung von Reparaturen zu erleichtern A Bitte senden Sie KEINE defekten Ger äte ohne vorherige schriftliche ode...

Page 8: ...967 Lectrosonics Inc 581 Laser Rd NE Rio Rancho NM 87124 USA 505 892 4501 800 821 1121 Fax 505 892 6243 http www lectrosonics com AKG Akustische u Kino Geräte Gesellschaft m b H SCJ AKG Ltd 2F Yoyogi Living 5 21 12 Sendagaya Shibuya ku Tokyo 151 JAPAN Brunhildengasse 1 P O B 584 A 1150 Vienna AUSTRIA Tel 1 98 124 0 Fax 1 982 34 58 Telex 131839 akgac a Tel 813 334 16201 Fax 813 334 15260 Specificat...

Page 9: ...9 CA810 CA810 CA810 CA810 CA810 CA810 8 8 8 8 8 CHANNEL POWER AMPLIFIER CHANNEL POWER AMPLIFIER CHANNEL POWER AMPLIFIER CHANNEL POWER AMPLIFIER CHANNEL POWER AMPLIFIER Manual Manual Manual Manual Manual ...

Page 10: ...ntroduction 11 1 1 Precautions 12 2 Installation 12 3 Front Panel Description 13 4 Rear Panel Description 13 5 Operating Instructions 14 6 Troubleshooting 14 7 Specifications 14 8 Service and Repair 15 9 Returning Units for Repair 15 10 ...

Page 11: ... less 60Hz energy This is particularly important when the CA810 is used in close proximity to microphone preamplifiers The input to the CA810 is fully balanced and RF filtered The level control feeds a monolithic power amplifier The amplifier has a voltage gain of 26dB x20 Each power amplifier is internally power limited to protect itself from short circuits excessively low impedances or highly re...

Page 12: ...nto 8 Ohms See Figure 2 When driving the CA810 with an unbalanced source the terminal is connected to the ground of the driving signal as well as the ground termi nal of the CA810 input Figure 3 shows this con figuration Figure 3 Unbalanced In Non Bridged Out BRIDGED OUTPUT Two adjacent channels of a CA810 may be con nected as shown to allow bridging operation In the bridged mode the minimum speak...

Page 13: ...G TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE TO REDUCE THE RISK OF FIRE REPLACE ONLY WITH SAME TYPE 1 5A 250V SLO BLO FUSE CA810POWER AMPLIFIER CH 4 LINE IN CH 2 CH 3 CH 1 MADE BY LECTROSONICS USA SPEAKER OUT 1 2 3 4 Figure 4 CEQ1 1 and CEQ1 1BB Rear Panel LINE INPUTS 1 8 Accepts balanced or unbalanced signal Fully balanced differential input RF f...

Page 14: ...ns Line Input Type Electronically balanced and RF filtered Impedance 20k Ohms Balanced or Unbalanced Input Level for Rated Output 2dBu 615mVRMS at maximum level 15dBu 4 36VRMS at mid level Output Power 10 Watts into 4 Ohms 6 Watts into 8 Ohms 20 Watts into 8 Ohms with bridged mono configuration Output impedance 4 Ohms minimum Maximum System Gain Line Input to Speaker Out 20dB x10 Signal to Noise R...

Page 15: ...charge for an exact quotation We will be happy to quote approximate charges by phone for out of warranty repairs 9 Returning Units for Repair You will save yourself time and trouble if you will follow the steps below A DO NOT return equipment to the factory for repair without first contacting us by letter or by phone We need to know the nature of the problem the model number and the serial number ...

Page 16: ...sonics Inc AKG Akustische u Kino Geräte Gesellschaft m b H 581 Laser Rd NE Rio Rancho NM 87124 USA 505 892 4501 800 821 1121 Fax 505 892 6243 http www lectrosonics com Brunhildengasse 1 P O B 584 A 1150 Vienna AUSTRIA Tel 1 98 124 0 Fax 1 982 34 58 Telex 131839 akgac a SCJ AKG Ltd 2F Yoyogi Living 5 21 12 Sendagaya Shibuya ku Tokyo 151 JAPAN Tel 813 334 16201 Fax 813 334 15260 Specifications subje...

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