DK-A1H (serv.man7) - Sharp Audio Service Manual (repair manual). Page 3

DK-A1H/DK-A1H(BK)

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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

4,240 VPEAK
3,000 VRMS

Set time

6 secs

Set current (Cutoff current)

4 mA

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

PROBE

AC

OUT

UNIT

SHORT-CIRCUIT
AC POWER
SUPPLY CORD

CONNECT THE PROBE
TO VIDEO JACK

WITHSTANDING

VOLTAGE TESTER

FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL.

 

AC 220 - 240 V, 50 Hz

Power consumption Power on: 28 W

Power stand-by: 0.6 W (*)

PMPO: 64 W
Front Speaker:
MPO: 10 W (5 W + 5 W) (DIN 45 324)
RMS: 4 W (2 W + 2 W) (DIN 45 324)
RMS: 4 W (2 W + 2 W) (DIN 45 500)

Subwoofer:
MPO: 12 W (6 W + 6 W) (DIN 45 324)
RMS: 10 W (5 W + 5 W) (DIN 45 324)
RMS: 6 W (3 W + 3 W) (DIN 45 500)

1-way type light-up speaker system
Front Speakers: 6.5 cm (2-1/2") - 12 ohms - 
Full Range
Subwoofer: 10 cm (4") - 8 ohms - Woofer

Front Speakers: 4W/Channel
Subwoofer: 10W/Channel

Front Speakers: 2W/Channel
Subwoofer: 5W/Channel

Headphones: 16 - 50 ohms 
(recommended: 32 ohms)
Video output: 1Vp-p

Auxiliary (audio signal): 
500 mV/47 k ohms 

Width: 400 mm (15-3/4") 
Height: 145 mm (5-3/4") 
Depth: 251 mm (9-7/8")

4.3 kg (9.5 lbs.)

FM: 87.5 - 108 MHz
AM: 522 - 1620 kHz

AC 220 - 240 V, 50 Hz

Power consumption Power on: 28 W

Power stand-by: 0.6 W (*)

Front Speaker:
RMS: 4 W (2 W + 2 W) (10% T.H.D.)
RMS: 4 W (2 W + 2 W) (0.9% T.H.D.)

Subwoofer:
RMS: 10 W (5 W + 5 W) (10% T.H.D.)
RMS: 6 W (3 W + 3 W) (0.9% T.H.D.)

1-way type light-up speaker system
Front Speakers: 6.5 cm (2-1/2") - 12 ohms - 
Full Range
Subwoofer: 10 cm (4") - 8 ohms - Woofer

Front Speakers: 4W/Channel
Subwoofer: 10W/Channel

Front Speakers: 2W/Channel
Subwoofer: 5W/Channel

Headphones: 16 - 50 ohms 
(recommended: 32 ohms)
Video output: 1Vp-p

Auxiliary (audio signal): 
500 mV/47 k ohms 

Width: 400 mm (15-3/4") 
Height: 145 mm (5-3/4") 
Depth: 251 mm (9-7/8")

4.3 kg (9.5 lbs.)

FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz

*This power consumption value is obtained when the demonstration
mode is cancelled in the power stand-by mode.

*This power consumption value is obtained when the demonstration
mode is cancelled in the power stand-by mode.

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