Panasonic SG-250R/25Q Service Manual

Compact Stereo
SG-250R/25Q
FM/LW/MW/SW
STEREO RECEIVER
ORDER NO. TSD-7601-247
Specifications
AMPLIFIER SECTION
Power Output ....... cs eeeeeeeeee
Frequency Response.............
input Sensitivity and Impedance:
Phono
Rec. Out and Impedance ted
Tone Controls
Bass....
FM TUNER SECTION
Frequency Rangé..........-
intermediate Frequency ........
Sensitivity 00... eeee
Image Ratio... cece
Signal to Noise Ratio ..............
DIStOrtion.......cccccececeeeeeeneneenees
Stereo Separation..........006
. 10.7 MHz
AM TUNER SECTION
MPO 2 x 32 W(THD 1%, 4 ohms)
RMS 2 x 27 W(THD 1%, 4 ohms)
One Channel Driven
RMS 2 x 22 W(THD 1%, 4 ohms)
Both Channel Driven
10 Hz ~ 25 kHz, +1.5 dB (DIN)
2 mV, 47k ohms
300 mV, 100k ohms Sensitivity... eee
.. 300 mV, 30k ohms
DIN: 30 mV, 82k ohms
Image Ratio....ccssseseeee
+10 dB ~ —10 dBat50 Hz
+10 dB ~ —16 dBat 10 kHz
—6 dB/oct. from 7 kHz
POWER CONSUMPTION
..........
POWER SUPPLY
87.5 MHz ~ 108 MHz
25 pV (IHF) Center Unit...
3.5 nV (S/N 26 dB, MOD 40 kHz) (DIN)
45 dB (98 MHz) WEIGHT
60 dB (at 1 kHz, 60 dB, 40 kHz) Center Unit... cece
(Unweighted) (DIN)
0.6% (MONO) {at 1 kHz, 60 dB, 100%)
0.8% (STEREO) (at 1 kHz, 60 dB, 100%)
35 dB (at 1 kHz, 60 dB, 30%)
> 30 dB, 250 Hz~ 6.3 kHz
(60 dB, 30%) (DIN)
= 18 dB, 6.3 KHz ~ 12.5 kHz
(60 dB, 30%) (DIN)
* Specifications are subject to change without notice for further improvement.
National Panasonic
Frequency Range............
Intermediate Frequency
DIMENSIONS (W x H x D)
MW: 525 kHz~ 1,605 kHz
(572 m ~ 187 m)
LW: 145 kHz ~ 285 kHz
(2,070 m ~ 1,050 m)
SW: 5.9 MHz ~ 18 MHz
(50.8 m ~ 16.7 m)
455 kHz (except UK: 470 kHz)
MW: 100 nV/m for 50 mW (1 MHz)
LW: 250 nV/m for 50 mW (220 kHz)
SW: 8zV for 50 mW (12 MHz)
MW: 45 dB (1 MHz)
LW: 43 dB (220 kHz)
SW: 15 dB (12 MHz)
155 W
.. AC 100 V, 120 V, 220 V, 240 V,
50/60 Hz
552 mm x 105 mm x 306 mm
(21-25/32") x (4- 1/8") x (12-3/64")
7.4 kg (16 Ib. 5 02.)
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan