Important Service Notes (For U.s.a. Only); Specifications - Sharp XL-70 Service Manual

XL-70/70C
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.

IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY)

BEFORE RETURNING THE AUDIO PRODUCT
(Fire & Shock Hazard)
Before returning the audio product to the user, perform the
following safety checks.
1. Inspect all lead dress to make certain that leads are not
pinched or that hardware is not lodged between the chassis
and other metal parts in the audio product.
2. Inspect all protective devices such as insulating materials,
cabinet, terminal board, adjustment and compartment covers
or shields, mechanical insulators etc.
3. To be sure that no shock hazard exists, check for leakage
current in the following manner.
* Plug the AC line cord directly into a 120 volt AC outlet.
* Using two clip leads, connect a 1.5k ohm, 10 watt resistor
paralleled by a 0.15µF capacitor in series with all exposed
metal cabinet parts and a known earth ground, such as
conduit or electrical ground connected to earth ground.
* Use a VTVM or VOM with 1000 ohm per volt, or higher,
sensitivity to measure the AC voltage drop across the
resistor (See diagram).
* Connect the resistor connection to all exposed metal parts
having a return path to the chassis (antenna, metal cabinet,
screw heads, knobs and control shafts, escutcheon, etc.)
and measure the AC voltage drop across the resistor.
XL-70/70C
General
Power source: AC 120 V, 60 Hz
Power
consumption: 48 W
Dimensions: Width; 6-5/16" (160 mm)
Height; 9-1/2" (241 mm)
Depth; 11-3/4" (298 mm)
Weight: 7.9 lbs.(3.6 kg)
Amplifier section
Output power: 16 watts minimum RMS per
channel into 4 ohms from
100 Hz to 20 kHz, 10% total
harmonic distortion
Output terminals: Speakers; 4 ohms
Headphones; 16-50 ohms
(recommended; 32 ohms)
CD digital output (optical)
Sub woofer (audio signal);
500 mV/47 k ohms
Input terminals: Video/Auxiliary (audio signal);
500 mV/47 k ohms
Compact disc player section
Type: Compact disc player
Signal readout: Non-contact, 3-beam semi-
conductor laser pickup
D/A converter: 1-bit D/A converter
Filter: 8-times oversampling digital
filter
Frequency
response: 20 - 20,000 Hz
Wow and flutter: Unmeasurable
(less than 0.001% W. peak)
TO EXPOSED
METAL PARTS
All check must be repeated with the AC line cord plug connection
reversed.
Any reading of 0.3 volt RMS (this corresponds to 0.2 milliamp.
AC.) or more is excessive and indicates a potential shock
hazard which must be corrected before returning the audio
product to the owner.

SPECIFICATIONS

Tuner section
Frequency range: FM; 87.5-108 MHz
AM; 530-1,720 kHz
Cassette deck section
Frequency
response: 50 - 14,000 Hz (Normal tape)
Signal/noise ratio: 50 dB
Wow and flutter: 0.25 % (WRMS)
CP-XL70U
Type: 2-way [4" (10 cm) woofer and
1" (2.5 cm) tweeter]
Rated input
power: 20 W
Maximum input
power: 40 W
Impedance: 4 ohms
Dimensions: Width; 6-5/16" (160 mm)
Height; 9-1/2" (240 mm)
Depth; 7-7/16" (189 mm)
Weight: 5.1 lbs.(2.3 kg)/each
Specifications for this model are subject to change without
prior notice.
– 2 –
VTVM
AC SCALE
1.5k ohms
10W
0.15µF
CONNECT TO
TEST PROBE
KNOWN EARTH
GROUND