Additional information, Faults and their likely causes – Philips CDC 875 User Manual

Page 9

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ADDITIONAL INFORMATION

FAULTS AND THEIR LIKELY CAUSES

LISTENING WITH HEADPHONES (PHONES)

• Connect headphones having a 6.3 mm jack plug and an imped­

ance between 8 and 2000 ohms to the PHONES socket.

• The sound level Is adjusted with the VOLUME control.________________

ATTACHING THE STICKERS TO THE CARTRIDGE

(fig. 13-14)

The stickers can be used for:
- Noting disc titles, names of artists etc. on the storage case (’A’

and ’O’) and the cartridge itself (’B’ and ’O’).

-

Numbering, alphabetizing and classifying different cartridges

CD', 'E', 'F and *G').

• Attach the stickers at the places indicated.

Should you attach them elsewhere this may hamper the func­

tioning of the changer or the cartridge.

Do not place stickers on top of each other. Only the stickers ’D’,
'E', 'F' and 'G' can be placed on top of the 'O’ stickers.___________________

CARE OF THE DISCS

Although both sides of a disc are protected by a special coating,

it Is still advisable to treat the discs with care:

• Never leave discs lying around, put them back in their holders

immediately after use.

• Never write on the printed side!
• Do not attach any stickers on that side.

• Keep the shiny surface of the disc clean. Use a soft lint-free

cloth and always wipe the disc in a Straight line from centre to
edge. You may breath lightly on the disc first.

The cleaning set SBC 3540, available separately, is a useful

accessory for cleaning your discs. It contains a protective sup­

port, a special disc cleaning cloth and a bottle of cleaning fluid.

Warnlngl

Cleaning agents for conventional records are not suitable for
cleaning a Compact Disc. Nor may detergents or abrasive clean-
Ing agents be used.__________________________________________________

CHANGER MAINTENANCE

A chamois leather slightly moistened with water is sufficient for

cleaning the changer. Do not use cleaning agents containing
alcohol, spirits, ammonia or abrasives.

The disc trays should be kept free of dust with a dry cloth.

TECHNICAL DATA

Typical Audio Performance

Frequency range: 2 Hz-20 kHz

Amplitude linearity: ±0.1 dB (20 Hz-20kHz)

Phase linearity: ±1.0° (20Hz-20kHz)
Dynamic range: >90 dB (20 Hz-20kHz)

SIgnal-to-noise ratio: >96 dB (20 Hz-20kHz)

Channel separation: 93 dB (1 kHz)

Total harmonic distortion: 0.003% (1 kHz)
Wow and flutter: quartz crystal precision

D/A conversion: quadruple oversampling (176.4 kHz) with digital

filter and two 16-bit D/A-conerters
Audio output level: 2

Vrms

Impedance PHONES socket: 8-1000 ohms

Power supply

Mains voltage and frequency: see the type plate on the rear of the

changer

Power consumption: 15 W approx.

Safety requirements: lEC

Cabinet

Material/finish: metal and polystyrene with decorative trim

Dimensions (w x h x d): 420 x 113 x 340 mm

Weight: 6.5 kg approx.

Insufficient familiarity with the combination of a new product and
new discs may lead to faults arising during use. These are
generally caused by simple errors in operation or external factors.

It is perhaps useful to check the points listed below and where
possible remedy these before taking your changer for repair.

- The transit clamps have not been removed.
- Condensation has formed on the lens of the laser due to a

dramatic change in temperature. This will disappear automati­
cally after some time.

- There is a foreign object in the disc tray.

- The disc has not been inserted with the printed side down or

there is no disc in the tray.

- The disc is dirty, badly scratched or warped.
- The changer has been connected to the PHONO socket of the

amplifier.

If the fault remains, try to clear it by switching the changer on and
off.

If this also fails to help, do not continue experimenting, but remove

the plug from the wall socket and consult your dealer.

Certain faults may be caused by a disc. In orderto help determine

the precise cause, take the disc with which the fault occurred with

you when you take the changer for repair.

Under no circumstances should you open up the changer

yourself, as this will invalidate the guarantee!

___________________

Subject to modification

This Compact Disc changer complies with radio interference

requirements as laid down in EC regulations.

____________________

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