Panasonic SG-2220 Service

ORDER NO. TSD81070010C2
Service Manual
FM/AM/FM STEREO WITH CASSETTE
TAPE DECK AND RECORD PLAYER
DU [sacevsvsre
Specifications
AMPLIFIER SECTION
Power Output.......... MPO2X25W (THD 5%, 42)
RMS2X17W (THD 5%, 4Q)
One Channel Driven
RMS2X13W (THD 5%, 4Q)
Both Channel Driven
Frequency Response..... . 30Hz ~ 20kHz, +1.5dB
Input Sensitivity and Impedance:
1 be. a ar re ran oe Seer 250mV , 47k
DIC c.6 2a kee ue te Joel. ob ot, Bs ImV,1.5kQ
Rec. Out and Impedance 40mV , 82kQ
Tone Controls:
BaSS: oi a ce 8 hoa Se eee +10dB, at 100Hz
pi c(-) 0) |: ere ae eee +10dB, at 10kHz
FM TUNER SECTION
Frequency Range........ 87.5MHz~ 108 MHz
Intermediate Frequency ( I F ) . . 10.7MHz
Sensitivity. 2... .0.000020, 2.5uV (S/N 26dB MOD. 40kHz)
(DIN)
Image Ratio. ........0.., 40dB (98MHz)
Signal/Noise Ratio... .... 62dB (at 1kHz, 60dB, 40kHz)
Distortion:
WGA? 's6.4 xee. Boke ck © lege 0.5% (at 1kHz, 60dB, 40kHz)
SleCKOOr ows Bos oe a © Boned 0.6% (at 1kHz, 60dB, 40kHz)
Stereo Separation ....... 40dB (at 1kHz,60dB, 40kHz)
Selectivity. 2. .....002.., 50dB (at 1kHz, 60dB, 40kHz)
AM TUNER SECTION
Frequency Range........ MW; 525kHz ~ 1605kHz
(571m ~ 187m)
LW; 150kHz ~ 350kHz
(2000m ~ 857m)
Intermediate Frequency (IF)... 450kHz
Sensitivity. 2. .....2002.., MW; 150uV/m (1MHz)
LW; 250uV/m (240kHz)
Image Ratio. .......... MW; 45dB (1MHz)
LW; 40dB (240kHz)
RECORD PLAYER SECTION
Player System. ......... Belt-Drive, Automatic Return
Turntable .........2.2.. 28cm
TurntableSpeeds........ 33-1/3 and 45rpm, 2-seed
Wow andFlutter........ +0.2% (DIN WTD)
Phonomotor .......... DC Motor
Cartridge ............ Moving Magnet type (EPC-77SMAD)
Stylus .........0.02. Diamond (EPS-75STCSD)
StylusPressure ......... 3.59 +0.5g
Frequency Response. ..... 20Hz ~ 18kHz
Separation. ........... 15dB (1kHz)
Signal/Noise Ratio ....... 55dB (DIN-B)
* Specifications are subject to change without notice for further improvement.
Panasonic
Stereo Music Centre
SG-2220
* "Dolby" and the double-D symbol are trade marks of Dolby La-
boratories.
* Noise reduction system manufactured under license from Dolby
l aboratories.
TAPE DECK SECTION
Deck System .......... Auto-Stop Cassette System
Track System .......... 4-Track, 2-Channel
RecordingSystem ....... AC Bias (50kHz)
ErasingSystem ......... AC Erase (50kHz)
TapeSpeed ........... 4.75cm/sec. (1-7/8 i.p.s.)
Frequency Response. ..... 30Hz ~ 15kHz (NORMAL)
30Hz ~ 15kHz (CrO, ) (DIN)
30Hz ~ 16kHz (METAL)
Signal/Noise Ratio:
Dolby NR-OUT....... 53dB (NORMAL)
55dB (CrO, ) ftom
56dB (METAL)
Dolby NR-IN 2... ...0.. 60dB (NORMAL)
63dB (CrO, ) } x
64dB (METAL)
* (When Dolby NR IN, improved 10dB
or more from Dolby NR OUT at
more than 5kHz) (DIN)
Wow and Flutter........ 0.15% (WRMS)
+0.3% (DIN WTD)
POWER CONSUMPTION... 100W
POWER SUPPLY ._.._....... AC110V, 120V, 220V, 240V , 50/60Hz
DIMENSIONS: (W xH x D)
CONES 2 & 6 2B wl Gt 600mm x 120mm x 445nam
WEIGHT
Centre Unit ........02.. 10.5kg
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan