Pioneer SX-727 Service Manual page 5

1. SPECIFIC ATI1
SEMICONDUCTORS
FETs .... 4 Transistors .56
ICs .4 Diodes.37
POWER AMPLIFIER SECTION
Music Power Output (IHF) 195 Watts (40)
122 Watts (80)
Continuous Power Output 69W/69W (40)
(1kHz: each channel driven) 48W/48W (80)
Continuous Power Output 50W + 50W (40)
(1kHz: both channels driven) 40W + 40W (80)
Power Output in the Range of 37W + 37W (80, Harmonic Distortion less than
20Hz to 20kHz (both channels 0.5%)
driven)
Harmonic Distortion Less than 0.5% (Continuous power output)
Less than 0.03% (80, 24W/24W power output)
Intermodulation Distortion Less than 0.5% (Continuous power output)
Less than 0.03% (80, 24W/24W power output)
Power
Bandwidth (IHF) 10Hz to 60kHz (80, Harmonic Distortion less
than 0.5%)
Frequency Response 7Hz to 80kHz, ±1dB
Input Sensitivity/Impedance 500mV/50kO
(1kHz, continuous power output)
Speakers 4 to 160
Damping Factor 40 (80, 1kHz)
PREAMPLIFIER SECTION
Output Voltage
Harmonic Distortion
Frequency Response
Input Sensitivity/Impedance
(1kHz, for rated output)
Recording Output
BASS Control
TREBLE Control
LOW Filter
HIGH Filter
Equalization Curve
Loudness Contour
Muting
Hum and Noise (IHF)
500mV (Rated output), 4V (Max.)
Less than 0.1%
10Hz to 20kHz, ±1dB
PHONO 1 MAG 3mV/50k£2
PHONO 2 MAG 3mV/50k£2
MIC 2.7mV/50kf2
AUX 200mV/100kft
TAPE MONITOR 1, 2
200mV/100k£2
TAPE REC 1, 2 (Pin jack)
200mV
TAPE REC (DIN connector)
35mV
— 10dB, + lOdB/IOOHz
— 10dB, + lOdB/IOkHz
—8dB/50Hz (6dB/oct.)
—9dB/10kHz (6dB/oct.)
PHONO: RIAA S.T.D.
+10dB/100Hz, + 6dB/10kHz
with Volume Control set at -40dB position.
—20dB
PHONO More than 85dB
AUX More than 95dB
SX-727
FM TUNER SECTION
Frequency Range
Usable Sensitivity (IHF)
Capture Ratio (IHF)
Selectivity (IHF)
Image Rejection
IF Rejection
Spurious Rejection
AM Suppression
Signal-to-Noise Ratio
Harmonic Distortion
Tuning Indicator
Muting
Stereo Separation
Sub Carrier Suppression
Antenna Input
AM TUNER SECTION
Frequency Range
Usable Sensitivity (IHF)
Selectivity (IHF)
Image Rejection
IF Rejection
Signal-to-Noise Ratio
Antenna
MISCELLANEOUS
Power Requirements
Power Consumption
AC Outlets
Dimensions (overall)
88MHz to
108
MHz
87.5MHz to 108MHz
(FTZ approved)
1.8mV
2.0dB
More than 70dB
More than 85dB (98MHz)
More than IQOdB (90M Hz)
More than 90dB (98MHz)
50dB
70dB
Mono: Less than 0.3% (100% Mod.)
Stereo: Less than 0.5% (100% Mod.)
Signal strength type and Center tuning type
Switchable to ON-OFF
More than 40dB (1kHz)
More than 50dB
Impedance 3000 balanced and 750 unbalanced.
525kHz to 1,605kHz
10pV
More than 35dB
More than 80dB (1,000kHz)
More than 75dB
More than 50dB
Built-in ferrite loopstick antenna
120V 60Hzj ;
er tlOVL 120V, 130V, 220V and 240V
(switchable) 50-60Hz
270W (Max.)
Switched 1, Unswitched 2.
19- yg in./485mm (width)
5- -g- i n./150m m (height)
15-g-in./390mm (depth)
Weight Without package 301b, 14oz/14kg
With package 371b, 8oz/17kg
Furnished Parts
FM T-type Antenna 1 Fuse 1.5A (5 line voltage model only) 1
Pin Plug 2 3A 2
Speaker Plug 6 Polishing Cloth 1
Operating Instructions 1
NOTE: Specifications and the design subject to possible modification without notice
due to improvements.
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