SM-SX1 (serv.man2). (including circuit diagrams and s) - Sharp Audio Service Manual (repair manual). Page 2

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Specifications for this model are subject to change without
prior notice.

Before returning the unit to the customer after completion of a
repair or adjustment it is necessary for the following withstand
voltage test to be applied to ensure the unit is safe for the
customer to use.
Setting of Withstanding Voltage Tester and set.

Set name

set value

Withstanding Voltage Tester

Test voltage

2,120 VPEAK
1,500 VRMS

Set time

60 secs

Set current(Cutoff current)

4 mA

Unit

Judgment

OK: The “GOOD” lamp lights.
NG: The “NG” lamp lights and the buzzer sounds.

SHORT-CIRCUIT
AC POWER 
SUPPLY CORD

CONNECT THE PROBE
TO GND 

OF CHASSIS

SCREW

 PROBE

AC

UNIT

WITHSTANDING
VOLTAGE TESTER

+

-

OUT

RMS; 50 W + 50 W (DIN 45 500)

0.02 % (1 kHz, 1 W)

5 Hz - 20 kHz (+1 dB, -1 dB)
5 Hz - 100 kHz (+1 dB, -3 dB)

100 dB (10 Hz - 20 kHz)

7th-order 

 (delta-sigma) modulation

DIGITAL1; RCA coaxial
DIGITAL2; Square type optical
SACD; RCA analog, 1 BIT digital
LINE 1,2; RCA analog (350 mV rms/50 k ohms)

DIGITAL OUT; Square type optical
LINE OUT; RCA analog
Speakers; 8 ohms

Width;

300 mm (11-13/16”)

Height;

2

66 mm (2-5/8”)

Depth;

411 mm (16-3/16”)

Approx.

6.8 kg (15.0 lbs.)

Power source; 230V, 50Hz
Power consumption; 55W