Panasonic RS-715US Service Manual

Service Manual
TAPE RECORDER
PANASONIC
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4-TRACK STEREO TAPE DECK WITH
3-MOTORS, 4-HEAD AND AUTOMATIC REVERSE
SPECIFICATIONS
Power Source:
Power Consumption:
Motors:
Transistors:
Diodes:
Rectifiers:
Track System:
Recording System:
Erasing System:
Tape Speeds:
Maximum Reel Size:
Signal-to-noise Ratio:
100~240 volts
110 W
8/4 poles dual speed hysteresis
synchronous motor (1)
4-pole induction motor (2)
2S8C644®(8) 2SC828(8) 250881 (2)
2SD261(2) 2SC1096(1) 2SC644 (6)
OA90(4) 1S8150(1) FR2(8)
KC2dp22/1(1)
4 tracks, 2 channels stereo
recording and playback
AC bias 180 kHz
AC erase
2 speeds, 7-1/2 ips (19 cm/s)
and 3-3/4 ips (9.5 cm/s)
50/60 Hz
7" reel
53 dB or more
Fast Forward Time:
Rewind Time:
Frequency R
Wow & Flutter:
Inputs:
Outputs:
Record/Playback
Connector:
Dimensions:
Weight:
RS-715US
Less than 60 seconds for
7" standard tape (1200 ft)
Less than 60 seconds for
7" standard tape (1200 ft)
20~25,000 Hz (30~22,000 Hz '
+3 dB) at 7-1/2 ips
Less than 0.095% at 7-1/2 ips
2 "MIC"
(High) —65 dB (0.56 mV)/5 ~20 KQ
(Low) —73 dB (0.22 mV)/
6002~5 KQ
2 "LINE IN" —30 dB (30 mV) /200 KQ
2 "LINE OUT" —6 dB (500 mV )/50 KQ
"HEADPHONE" 8
DIN
17" (W) x 20-3/4" (H) x 9" (D)
52-7/8 Ibs.
These specifications are subject to change in order to accommodate improvements in design.
MATSUSHITA ELECTRIC fos
MATSUSHITA ELECTRIC TRADING CO., LBD. righed
P. O. Box 288 Central,Osaka, Japan