Important Service Notes (For Qt-Cd210 Only); Specifications - Sharp QT-CD210 Service Manual

QT-CD210/C
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.

IMPORTANT SERVICE NOTES (FOR QT-CD210 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 0.15 F 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.
General
Power source: AC 120 V, 60 Hz
DC 9 V "D" size (UM/SUM-1, R20
or HP-2) battery
Power
consumption: 12 W
(For QT-CD210)
Output power: FTC; 2.0 W min. RMS per channel
into 4 ohms from 150 Hz to 20
kHz, with no more than 10 % total
harmonic distortion.
RMS; 2.3 W/CH
(DC operation, 10 % T.H.D.)
Speakers: 4" (10 cm) full-range speaker x 2
Dimensions: Width; 15-3/4" (400 mm)
Height; 6-1/4" (158 mm)
Depth; 8-3/8" (212 mm)
Weight: 6.0 lbs. (2.7 kg) without batteries
(For QT-CD210C)
Output power: RMS; 2.3 W/CH
(DC operation, 10 % T.H.D.)
Speakers: 10 cm (4") full-range speaker x 2
Dimensions: Width; 400 mm (15-3/4")
Height; 158 mm (6-1/4")
Depth; 212 mm (8-3/8")
Weight: 2.7 kg (6.0 lbs.) without batteries

SPECIFICATIONS

Compact disc player
Type:
Signal
readout:
6
Audio
channels:
Filter:
D/A
converter:
Wow and
flutter:
Radio
Frequency
range:
Tape recorder
Frequency
response:
Signal/noise
ratio:
Wow and
flutter:
Motor:
Bias system: AC bias
Erase
system:
– 2 –
VTVM
AC SCALE
1.5k ohms
10W
0.15
TEST PROBE
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.
Compact disc
Non-contact, 3-beam semi-
conductor laser pickup
2
8-times oversampling digital filter
1-bit D/A converter
Unmeasurable
(less than 0.001% W. peak)
FM; 87.6 - 108 MHz
AM; 530 - 1,720 kHz
50 - 14,000 Hz (Normal tape)
50 dB
0.25 % (WRMS)
DC 9 V electric governor
Magnet erase
Specifications for this model are subject to change without
prior notice.
F
CONNECT TO
KNOWN EARTH
GROUND