Verification Process - Ecler APA1400 Service Manual

ECLER
51.0044
num: version:
PRELIMINARY:
- Connect the verifier's mains plug, the power ON indicator LED should light up.
- Connect TAWA 112 or TAWA 215 to the verifier through the 7-wired bus and both jack-
type connectors (right R, left L).
- Release the HIGH-LOW switch.
- Connect the signal generator to the RCA-type input, and apply a 0dB level 150Hz input
signal.
- Connect the millivoltmeter-oscilloscope set to the unit's RCA-type output.
VERIFICATION of TAWA 112
- HIGH-level outputs :
- 150 Hz -6dB
- 400 Hz -1dB
- 1kHz -2dB
- 10 kHz 2,5dB
- 50 kHz 0dB
- LOW-level outputs :
- Press and lock the HIGH-LOW pushbutton.
- 20 Hz 0dB
- 60 Hz 1dB
- 75 Hz 2dB
- 150 Hz -6dB
- Check that when the ST-MONO labelled pushbutton is pressed, the right-channel output
signal is cutted off.
VERIFICATION of TAWA 215
- HIGH-level outputs :
- 20 Hz 0,5dB
- 50 Hz 2dB
- 200 Hz -1dB
- 1kHz -4dB
- 10kHz 2dB
- LOW-level outputs :
- Press and lock the HIGH-LOW pushbutton.
- 20 Hz 0,5dB
- 50 Hz 2dB
- 150 Hz -6dB
- Check that when the ST-MONO labelled pushbutton is pressed, the right-channel output
signal is cutted off.
Queralt
author:
approved:
01.00
010425
date: project:
title:

VERIFICATION PROCESS

51-0044-0100 F01-00Anglès.doc Sheet 1 of 3
F01-00 TAWA112/215
product: