Sony HMK-414 Service Manual

SPECIFICATIONS —
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 8-ohm loads, both channels driven from
9OHz to 15,000 Hz; rated 16 watts per chan-.
nel minimum RMS power, with no 'more than
2% total harmonic distortion.
OTHER SPECIFICATIONS
Amplifier section
Circuit system: SEPP OCL power amplifier
Inputs : MIC: for low impedance microphones
AUX: 250 mV/47 k ohm
Outputs: REC OUT: 250 mV/10 k ohm
SPEAKER: for 8-ohm speakers
HEADPHONES: for headphones of
8 ohms or more
Tone controls: BASS: +10dB at 100 Hz
TREBLE: +10dB at 10 kHz
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
\, ON THE SCHEMATIC DIAGRAMS, EXPLODED
VIEWS AND IN THE PARTS LIST ARE CRITICAL TO
SAFE OPERATION. REPLACE THESE COMPONENTS
WITH SONY PARTS WHOSE PART NUMBERS APPEAR
AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
Tuner section
Circuit system:
Tuning range:.
Antennas:
Sensitivity
FM stereo, FM/AM superheterodyne
tuner with Phase Locked Loop Multiplex
decoder for FM
FM: 87.5 - 108 MHz ee
AM: 530 - 1,605 kHz
FM: 300-ohm balanced terminals
equipped with ac line antenna
AM: built-in ferrite bar antenna
external antenna termina!
FM: 2.2uV (S/N =30 dB)
AM: 48dB/m (S/N =20 dB)
.
Record player section
Turntable:
Speed:
Cartridge:
Stylus:
Sony TTS-81 auto/manual changer
308 mm (12%/s inches) dia.
334/3, 45 rpm
VL-38GSA (magnetic type)
ND-138G (conical, 0.6 mil diamond)
2.5 g+0.5 g (2.5 g recommended)
— Continued on page 2 —
Tape Transport Mechanism Type MDS-18S4
®
SERVICE MANUAL
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