AUDIO TELEX DCM120 Manuel d'utilisateur

Australian Monitor 1 Clyde Street, Silverwater NSW 2128 Australia +61 2 9647 1411 www.australianmonitor.com.au SERVICE INFORMATION AU

II. FINAL TESTING (This setup should have signal input to Amplifier through female (XLR) (The limiter link should be out of circuit initially.) 1

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DCM120 Output Component ListDesignator Part Type DescriptionBR1 KBPC 3506 Bridge rectifier 400V 35AC1 820P Multi layer Ceramic CapacitorC2 820P Multi

R41 80D Not UsedR42 10R Metal film resistor .5WR43 22R Metal film resistor .5WR5 1K Metal film resistor .5WR6 150R Metal film resistor .5WR7 150R Meta

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DCM Series Drive Stage Component ListDesignator Part Type DescriptionC1 2u2 Electrolytic Capacitor 35VC10 2u2 Electrolytic Capacitor 35VC11 22u Electr

LK2 0R Link, zero ohmsLK3 0R Link, zero ohmsLK4 0R Link, zero ohmsLK6 0R Link, zero ohmsP1 2K Cermet, preset HorizontalP2 47K Potentiometer 16mm P4 10

T1A RF2285A Driver TransformerT1B RF2285B Driver TransformerV1 BC639 Transistor TO92V2 BC639 Transistor TO92V3 BC546 Transistor TO92V4 BC556 Transisto

DCM120,12O Watt Power AmplifierProduct DescriptionThe DCM120 is a 120 watt power amplifier in a two rack unit (2RI) chassis suitable for table or dir

Amplifier Status Display WindoW: The status display window highliehts the operating conditions of the DCM120.Please refer to Figure #1 on the back pa

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DCM Series Circuit Description The DCM series are power amplifiers designed for commercial installations. They can be used for either low impedance (

The thermal cutout and fan is controlled by a microprocessor (PIC12C509A). The temperature is sensed using a 10k@25degC NTC. The fan is normally off a

DCM120 – 80 ohms DCM250 – 40 ohms DCM500 – 20 ohms XLR Audio Input and Parallel Output The DCM series includes both male and female 3 pin XLR connect

TESTING PROCEDURE OF DCM 120/DCM 250/DCM 500 I. PRE-TESTING (of complete sets). • Check 1.1 All screw for tightness (Bridge rectifier and tr