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Sony ta-ax44 Service Manual

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GENERAL
System:
Preamplifier section: low-noise IC
equalizer amp.; ASP tone control
Power amplifier section: pure-
complementary SEPP OCL power
amplifier with all stages direct coupled
Power Requirements:
US, Canadian model: 120 V ac, 60 Hz
AEP model: 220 V ac (240 V ac adjustable by
authorized Sony personnel), 50/60 Hz
UK model: 240 V ac (220 V ac adjustable by
authorized Sony personnel), 50/60 Hz
E model: 120, 220 or 240 V ac adjustable,
Power Consumption:
US, AEP model: 100 watts
Canadian model: 155 watts
UK model: 270 watts
E model: 100 watts
AEP, UK model: 3 switched, total 100 watts
max.
US, Canadian model:
Two switched (total 100 watts)
One unswitched (100 watts)
E model: 2 switched, total 100 watts max.
Dimensions:
Approx. 430 x 80 x 290 mm (w/h/d)
including projecting parts and controls
ATTENTION AU COMPOSANT AYANT RAPPORT
LES COMPOSANTS IDENTIFIES PAR UNE TRAME ET
U N E
M A R Q U E A S U R L E S DIAGRAMMES SCHi-
M A T I Q U E S , LES VUES CCLATiES ET LA LISTE D E S
F O N C T I O N N E M E N T . N E R E M P L A C E R C E S COMPO-
SANTS QUE PAR DES PICCES SONY DONT LES NU-
LES SUPPLeMENTS PUBLItiS PAR SONY.
INTEGRATED STEREO AMPLIFIER

SPECIFICATIONS

1 unswitched, 100 watts max.
Approx. 5.6 kg (12 Ibs 6 oz) net
Weight:
Approx. 6 kg (13 lbs 4 oz) in shipping carton
AMPLIFIER SECTION
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION
(US, Canadian model)
With 8 ohm loads, both channels driven,
from 20 - 20,000 Hz; rated 40 watts per chan-
nel minimum RMS power, with no more than
0.008% total harmonic distortion from 250
milliwatts to rated output.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY SHADING AND MARK
O N T H E S C H E M A T I C D I A G R A M S , E X P L O D E D
VIEWS AND IN THE PARTS LIST ARE CRITICAL TO
SAFE OPERATION.
WITH SONY PARTS WHOSE PART NUMBERS APPEAR
AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
S O N Y
D E

SERVICE MANUAL

US
Model
Canadian Model
AEP Model
UK Model
E Model
REPLACE
THESE
COMPONENTS

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  Summary of Contents for Sony ta-ax44

  • Page 1: Service Manual

    F O N C T I O N N E M E N T . N E R E M P L A C E R C E S COMPO- SERVICE MANUAL SANTS QUE PAR DES PICCES SONY DONT LES NU- LES SUPPLeMENTS PUBLItiS PAR SONY.
  • Page 2: Operating Voltage

    ASP (Audio Signal Processor) IC in the preamplifier stage 220 or 240 V ac. The voltage selector is located on the rear Sony has developed a new audio device, called the Audio Signal panel. If the selector must be reset, disconnect the ac power...
  • Page 3 DO not place anything on top of the cabinet. The top ventilation holes must be unobstructed for the proper operation of the unit and to prolong the life of its components. MODEL IDENTIFICATION Specification Label - [UK model] TA-AX44 TA-AX44 MODEL NO. MODEL NO. INTEGRATED STEREO AMPLIFIER INTEGRATED STEREO AMPLIFIER...
  • Page 4: Location And Function Of Controls

    LOCATION AND FUNCTION OF CONTROLS V O L U M E MUTING TAPE COPY TAPE MONITOR Fluorescent display (See below. J switch switches POWER switch control button switch SUBSONIC HEADPHONES jack M E M O R Y BASS and TREBLE tone control buttons filter switch switch...
  • Page 5 The mains lead plug of your apparatus is a 3-pin type especially outlet. designed to be connected only to the Sony RM-44 system remote The SWITCHED outlet is controlled by the front panel POWER swit- controller. The remote controller has a receptacle on the rear to...
  • Page 6 OPERATION TO GET SOUND Adjust the volume. VOLUME When the power is turned on, the volume will be automatically reset to m~nrmum, then will be up slowly to the previous setting. Press either end of the VOLUME control button when the volume IS adjusted to your preference. program.
  • Page 8 TAPE RECORDING AND TAPE COPY REMOTE CONTROL OPERATION WITH AN OPTIONAL REMOTE CONTROLLER TO RECORD The optional RM-44 system remote controller controls the following functions of the amplifier: power on/off, program selection, @Start the program and set the tape recorder in the record mode. acoustic setting selection, muting on/off, and volume adjustment.