Panasonic SG-40 Service Manual

ORDER NO. TSD81070013¢C
FM/AM/FM STEREO WITH
CASSETTE TAPE DECK
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*''Dolby" and the double-D symbol are trademarks of Dotby Laboratories Licensing Corporation.
"Noise Reduction System manufactured under license from Dolby Laboratories Licensing Corporation.
SPECIFICATIONS
AMPLIFIER SECTION
Power Output:
MPO ............. 35Wx 2 (THD 1%, 42)
BMSi suze Pages acer a tea aed 4 27W x 2 (THD 1%, 42)
25W x 2 (THD 0.8%, 42)
One channel driven
RMS ............. 22Wx 2(THD 1%, 4Q)
20W x 2 (THD 0.8%, 42)
Both channel driven
Frequency Response... .. 30Hz~40 kHz, +1.5 dB (DIN)
Power Band Width ...... 25 Hz ~ 25 kHz, -3 dB (DIN) (THD
0.9%, 42)
Input Sensitivity & Impedance:
WIG boc alo eS 1 mV, 3k2
PIR eS eae eee 150 mV, 47kQ
PHONO! 2.5 oe ae a ee 2.5 mV, 47kQ2
Rec Out & Impedance... . 150 mV, 2.2k2
Tone Controls:
BaS$i5 i050 354 a nbd +10 dB at 50 Hz
Treble. 2... 2. .00.. +10 dB at 15 kHz
Loudness Control ...... +10 dB at 50 Hz (Volume at -30 dB
position)
FM TUNER SECTION
TuningSystem ........ Varactor Diode
(6 pre-selectors and 1 manual tuning)
Frequency Range. ...... 87.5 MHz ~ 108 MHz
Intermediate Frequency (IF) . 10.7 MHz
Sensitivity... ...0000. 2.0uV (S/N 26 dB mod. 40 kHz) (DIN)
at 762
2.0nV (IHF) at 752
Image Ratio. .....002.. 50 dB (98 MHz)
Signal/Noise Ratio ...... 63 dB (at 1 kHz, 60 dB, 40 kHz)
Distortion:
MONO............ 0.16% (at 1 kHz, 60 dB, 40 kHz)
STEREO .......... 0.22% (at 1 kHz, 60 dB, 40 kHz)
Stereo Separation ...... 40 dB (at 1 kHz, 60 dB, 40 kHz)
35 dB (at 250 Hz ~ 6.3 kHz, 60 dB,
AO kHz) (DIN)
33 dB (at 6.3 kHz ~ 10 kHz, 60 dB,
40 kHz) (DIN)
Selectivity. 2 0.0... 000. 70 dB (at 1 kHz, 60 dB, 40 kHz)
Panasonic
Stereo Music Centre
SG-40
AM TUNER SECTION
Frequency Range... .... MW; 525 kHz ~ 1605 kHz
(571m ~ 187m)
LW; 150 kHz ~350 kHz
(2000m ~ 875m)
Intermediate Frequency (IF) . 455 kHz
Sensitivity. .......... MW; 110uV/m (1 MHz)
LW; 250uV/m (240 kHz)
Image Ratio... 2... 0... MW; 50 dB (1 MHz)
LW; 35 dB (240 kHz)
TAPE DECK SECTIO
Deck System ......... Full Auto Shut Off Cassette System
Track System ......... 4-Track, 2-Channel
Recording System ...... AC Bias (50 kHz) with Dolby NR System
ErasingSystem ........ AC Erase (50 kHz)
TapeSpeed .......... 4.75 cm/sec. (1-7/8 i.p.s.)
Frequency Response. .... 20 Hz ~ 15 kHz (Normal)
20 Hz ~ 16 kHz (CrO2)
20 Hz ~ 17 kHz (Metal)
Signal/Noise Ratio:
DOLBY NR-OUT ..... 53 dB (Normal)
55 dB (CrO2) ron
55 dB (Metal)
DOLBY NR-IN..... .. 61 dB (Normal)) (10 dB or more
63 dB (CrO2) }improved at
63 dB (Metal) /5 kHz) (DIN)
Erase Ratio .......... 70 dB (DIN)
Channel Separation ..... 40 dB (DIN)
CrossTalk... ........ 60 dB (DIN)
Wow & Flutter 2... 2.0... 0.05% (WRMS), 0.15% (DIN-WTD)
POWER CONSUMPTION .. 160 W
POWER SUPPLY....... AC 220 V, 50/60 Hz
DIMENSIONS (WxHxD) . 430x 124 x 318 mm
WEIGHT ........... 7.2 kg
* Specifications are subject to change without notice for further
improvement.
Matsushita Electric Trading Co., Ltd.
P. O. Box 288, Central Osaka, Japan