Phase Linear 3000 Series Two Service Manual
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Extracted text from Phase Linear 3000 Series Two Service Manual (Ocr-read)
Page 1
3000 SERIES TWO
PREAMPLI FIER
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flail 57(5)!!!
Page 2
3000 SERIES TWO PREAMPLIFIER
SERVICE MANUAL
CONTENTS
l-O. Specifications ....................... . ...... 3
2-0. Schematics and Diagrams ..................... 5
3-0. Circuit Descriptions ............. . .......... 14
4-0. Disassembly Procedure ....................... 17
5-0. Test Procedure .............................. 20
6-0. Troubleshooting Guide .................. .....23
7-0. Parts List .................................. 32
8-0. Service Bulletins and Supplements .. ......... 33
***********k********** CAUTION ***********************
THIS MANUAL IS INTENDED FOR USE ONLY BY QUALIFIED SERVICE
PERSONNEL. HAZARDOUS VOLTAGES MAY BE ENCOUNTERED IN THE
SERVICING OF THE 3000 SERIES TWO PREAMPLIFIER. USE
EXTREME CAUTION: READ ALL INSTRUCTIONS CAREFULLY.
Page 4
l-l.2.
LOW FILTER CHARACTERISTICS: 3-pole Butterworth with -leB/
octave (-60dB/decade) slope.
Corner Frequency: 15Hz
Attenuation: 20Hz - 0.5dB
lSHz - 3.0dB
4H2 - 35dB
HEADPHONE AMPLIFIER:
Power Output: 200mw into 8 ohms with less
than 0.07% THD from 20Hz-20K Hz,
both channels driven.
Signal-to-Noise: greater than 90dB re ZOOmW output.
General
POWER REQUIREMENTS: 120V 60Hz (USA & Canadian models) or
100-120/220-240V AC, 50/60Hz.
POWER CONSUMPTION: 8 Watts (70mA)
AC OUTLETS: 2 unswitched, 600 watts maximum; 4 switched,
600 watts max.
DIMENSIONS: 19"w X 3%"h X 8"d (48.3cm X 9cm X 20.3cm)
WEIGHT: lOlbs. (4.5kg)
SEMICONDUCTOR COMPLEMENT: 16 Integrated Circuits, 22 Transistors,
37 Diodes, and 11 L.E.D.'s.