Technics SX-PR100 Service Manual

MEASUREMENTS AND ADJUSTMENTS
@ Measuring Equipment
© Oscilloscope 20MHz, 10:1 probe ¢ Oscillator, 1kHz sine wave, O~10Vp-p, 600
¢ Capacitor, 50V 1F (ECEA1HNO10S)
ADJUSTMENT ADJ. CONNECT METER
ADJUSTMENT MEASURING CONDITIONS EQUIPMENT POINT METER TO READING
BBD
bias
any
position
Oscilloscope
P.C.B.
VR2
|
1c53-@
Photo-A
(CHORUS) and
oscillator
. Connect the oscilloscope to IC53-@ pin of circuit board.
. Input 1kHz sine wave to IC52-@ pin by oscillator through capacitor of less than 50V 1pF.
Then, adjust the output level of oscillator until the sinewave on the oscilloscope is clipped.
. Adjust VR2 so that the output waveforms on the oscilloscope are evenly clipped at top and bottom.
O22 vwWOV. OS assdiv ‘O.2 WOW OS espiv
- [Photo-A] ~~ [Photo-B]
CONNECTION TERMINALS
(On the rear panel)
TUNE MDE PEDAL IN AUXIN, LINE OUT
ca ihe pull nN Boo 0 Boo OU
3) 00 00
MTUNE i MID! (Musical Instrument Digital Interface)
During an ensemble performance with other MIDI is standard specification that enables connec-
instruments, fine adjustments of pitch can be made tion to equipment such as synthesizers and personal
using this knob. computers. Data transmission and reception are
possible between the Technics Digital Piano
M@ PEDAL IN instruments provided with MIDI terminals.
Connect the cord from the included stand to this ; oe at
terminal. IN: The terminal that receivers data from exter-
nal equipment.
Wi AUX IN (input level 500 mv, 15KQ) OUT: The terminal that transmits data from the
piano to external equipment.
The terminal that transfers data from the IN
terminal directly to other equipment.
Other instruments such as a rhythm machine or THRU:
sound module can be connected to the piano so that .
the sound is output from the piano.
To receive monaural sound, connect instruments to
the R/R+L terminal. ¢ Use a 5-pin DIN cord flese than 15m long) for these
connections.
ME LINE OUT (output level 1.5V 6009)
By plugging into a Technics Tone Cabinet or a high-
power amplifier, the sound can be reproduced at
high volume. (Use the R/R+L terminal when output-
ting monaural sound.)
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Technics SX-PR100 Specifications

General

Brand	Technics
Model	SX-PR100
Category	Musical Instrument
Language	English