Technics RS 1500 US Service Manual

Page 1

ORDER NO. ARD-770605 7C

Service Manual

Open Deck

RS-15OOUS

Vol 1

Isolated Loop Three-Motor, Direct-Drive Tape Deck

Professional Series

RS-ISOOU MECHANISM SERIES

Information:

The Service Manual for model RSvlSOOUS is in 2'parts: Vol. 1 and Vol. 2.
Vol. 1 does not include measurements and adjustments.

Refer to V0]. 2 for these items.

Matsushita Electric 0! Hawaii, Inc.

. Panasonic Company
Echmcs Division pf Matsushila Electric 320 Waiakamilo Road, Honolulu,
gorpgrauan of Werica Hawaii 96817
Panasonic ne anasomc ay, Secaucus.
by New Jersey 07094

Page 2

Specifications (Catalog specifications for salms)

Track system:

Motors:
Capstan;
Reel tables;
Reel size:
Tape tension control:
Tape speed:
Speed deviation:
Speed fluctuation:
Pitch control:
Wow and flutter:
15ips (38cm/s);
7»1/2ips (19cm/s):
Time counter accuracy:
Fast winding time:
AutorStop sensing:
End of tape;
During running;
Frequency response:
15ips (38cm/s);
7~1/2ips (19 cm/s);
3-3/4ips (9.5 cm/s);
Signal-to-norse ratio:
15ips (38 cm/s);
7-1/2ips (19cm/s);
3~3/4ips (9.5cm/s);
Distortion (THD):

Channel separation:
Erasing ratio
Recording bias:
Bias level,
Equalization:

Recording level calibration:

Inputs:
MIC ;

LlNE;

THROUGH OUT;
Outputs:
LINE;

HEADPHONE;
Power requirements:
Power conSumption:

Weight:
Dimensions (H X W X D):

4 heads system

2track 2-channei recording, playback, erasing and 4-track 2-channel playback
3 direct-drive motors system

Quartz control phaselocked DC brushless servo directdrive motor
2 tape tension controlled DC brushless direct-drive motors

5" to 10-1/2" (13cm to 26.5cm) outside diameter

Automatic control tor above size of reel

lSips. 7-1/2 ips and 3-3/4ips (38cm/s, 19cm/s and 9.5 cm/s)
i0.l% at 15ips (38cm/s)

0.05% at 15ips (38cm/s)

i6% (recording and playback)

Recording and playback

0.018% (WRMS). i0.035% (DIN peak)

0.03% (WRMS), :0.06% (DIN peak)

:1% at 15ips (38cm/s)

1505ec. for 2500 it (1.5mil for 762m) tape

Tension roller switches

Within 3560 after accidental stop of takeup reel table
30- 30. 000 Hz i- 3 dB (recording level: - 10 :18 from OVU)

20~ 25,000 Hz i 3 dB (recording level: - 20 (18 from OVU)

20~ 15,000 Hz i 3 dB (recording level: - 20 dB from OVU)

NAB weighted (185 nWb/m +6dB)

60 dB

60 dB

58 dB

Measured via tape at 400 Hz (at any speed)

Less than 2% peak level (185nWb/m +6dB)

Less than 0.8% operating level (OVU)

Better than 50 dB

Better than 65dB (recording level: +10dB at 1 kHz)

120 kHz

BIAS selector at 1 90%, BIAS selector at "2" 100%, BIAS selector at "3 110%
NAB standard

Position "2 of "EQ and BlAS selector set for scotch #207 tape

Referenced to 185 nWb/m

Unbalanced phone type jack
Sensitivity 0.25 mV (- 72 dB), input impedance 4.7 K0
(at OVU, microphone level control at maximum position)
2.5mV (-52 dB)/4,7 K52 with 20 dB microphone attenuator switch on overload margin 55 dB
(75dB with 20dB microphone attenuator)
Applicable microphone impedance 200§2~ 10 KS2
Phuno type jack
Sensitivity 60 mV (- 24 dB), input impedance 150 K0
Overload margin: infinity
(line input connected to LINE IN level control before pass through the amplifier)
Same as LINE IN (connected in parallel to LINE IN)

2 pair of phono type jack

Output level 0.42V at OVU (output level control at "8")

0.6V or more at output level control maximum output impedance less than 3 K9
Load impedance 22 K9 over

Stereo phone type jack

Output level 60 mV at 0,42V line output. load impedance 80
AC 120V, 50/60 Hz

DC 24V, 4.5A (with RP-086 optional battery adaptor)

120 W

57lbs, 4 oz (26 kg)

17-1/2'X19-3/8"><10-1/8 (44 6cmx49.2cmx25.8cm)

Specifications based on use of Scotch #207 tape.
Specifications are subject to change without notice.