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Ecler PAM1400 User Manual

Ecler PAM1400
183 pages
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PAM1400/1000/600/300
SERVICE MANUAL
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Ecler PAM1400 Specifications

General IconGeneral
BrandEcler
ModelPAM1400
CategoryAmplifier
LanguageEnglish

Summary

BLOCK DIAGRAM

MODULE CIRCUIT OPERATION - DESCRIPTION

Characteristics

Key electrical and performance specifications of the module.

POWER SUPPLY

Description of the power supply configuration and its components.

BIAS CURRENT ADJUST

TEMPERATURE STABILIZING CIRCUIT

SYMMETRY ADJUST

POWER MOSFETs

PROTECTION CIRCUIT

MOSFET Id current detection

Detection of current flow through MOSFETs for protection.

MOSFET Vds voltage detection

Detection of voltage across MOSFETs for protection.

OPERATIONAL AMPLIFIER POWER SUPPLY CONTROL

ZOBEL NETWORK

FEEDBACK

PROTECTION CIRCUIT OPERATION - DESCRIPTION

TEMPERATURE DETECTOR

DC OUT CIRCUIT

CLIP CIRCUIT

GENERAL RESET CIRCUIT (TURN OFF/TURN ON)

CONNECTION RESET

BINARY COUNTER HEF4520

STANDBY MONOSTABLE

PROFESSIONAL PAM SERIES - TESTING RULES

PRELIMINARY

Initial setup and preparation steps for testing the amplifier.

GROUND LINK Testing

Procedure to verify continuity of the ground link.

SET UP

Instructions for setting up the amplifier for testing.

CROSS DISTORTION

Test procedure to check for cross distortion.

MOSFETs CONDUCTION

Test to ensure uniform conduction among MOSFETs.

POWER

Procedure to verify the amplifier's output power.

FREQUENCY RESPONSE

CLIPPING AT 1kHz

DC OUT

MONO-STEREO

PROTECTIONS

PROFESSIONAL PAM SERIES - QUALITY CONTROL

TECHNICAL CHARACTERISTICS

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