Advent 350 rec sm

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Advent 350 rec sm

Extracted text from Advent 350 rec sm (Ocr-read)


Page 1

A .V E\T Service Manual for Model 350

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Table of Contents

GENERAL INFORMATION i

General inFormation, speoiFioations D1 - 02

Required Test Equipment 02

ALIGNMENT AND TESTING PROCEDURE

Power Supply 03
Power AmpliFier 03
Dhono Preamp 04
FM Tuner 05 - US - D7
Dial Cord Stringing 08

PARTS LIST

Power Supply, Speaker Protection, Preamp US

Power AmpliFier, FM Tuner 10
SCHEMATICS

FM Tuner 11

Preamp, Power AmpliFier, Power Supply . 12

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GENERAL INFORMATION M 35D STEREO FM RECEIVE"

DOWER REQUIREMENTS: 1EOVAC SOHZ
ROWE CONSUMRTION:

iO Watts quiescent, 400 Watts maximum

(1]

DIMENSIONS: 17" (435mm) WIDE, 3.75" (95mm) HIGH,
13.5" (345mm) DEEP (including controls and connectors)
WEIGHT: P LBS. (9kg)

POWER AMPLIFIER SECTION M 35D

FTC POWER OUTPUT: SO Watts/channel (THO 0.4% or less), EOHZ to EOKHZ
into 8 HM load
70 Watts/channel (THO 0.5% or less), EOHZ to EOKHZ
into 4 OHM load

DYNAMIC HEADROOM: 8 OHM load: 1.85dB
4 OHM load: 2.00dB
INPUT SENSITIVITY: 1.5V RMS For SO Watts into 8 OHM loao
SIGNAL TO NOISE: 1EOdB (1HF 'A' weighted)
INPUT IMPEDANCE: 10kOHM in parallel with BEOpF
OAMPING FACTOR: Greater than 40
MODE: Non-inverting

PREAMP SECTION M BSO

INPUT IMPEDANCE: Phono: 47kOHM in parallel with 100pF
Auxiliary: 40kOHM in parallel with SOoF
Tape: 4 kOHM in parallel with 100pF

INPUT SENSITIVITY: FOR 1 WATT OUTPUT:
Phono: 2.5mV Auxiliary: ESmV Tape: 24mV
FOR SO WATT OUTPUT:
Dhono: 18mV Auxiliary:1SOmV Tape:180mV
SIG.+NOISE TO NOISE: Phono: -73dB Auxiliary: -SSdB Tape: -Sbc

('A' weighted measurements)

R.I.A.A. EQUALIZATION: Accurate to iO.35dB From aon to ZOkHZ

INFRASONIC FILTER: SOHZ: Ocu EOHZ: -O.25dB 4H2: -37.SdB
MAXIMUM INPUT SIGNAL: Dhono: 70mV @1kHZ Auxiliary: 5V RMS Tape: SV MS
FfliASEIhMJOE: Control amp: inverting Phono preamp: non-inverting

TUNER SECTION M 350

THRESHOLD, SOdB QUIETING: 4OFV (37.3dBF) or less on stereo broadcast.

ULTIMATE SIG.+ NOISE TO NOISE AT SSdEiF: Greater than 70dB on mono broadcast
Greater than 57d on stereo orcadcast

STEREO THRESHOLD: Less than 2.3pV
CAPTURE RATIO: Less than Pd

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