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Warning, Troubleshooting, Technical data – Philips MC148C-37 User Manual

Page 17

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17

MC 148 / 37 page 17

English

TROUBLESHOOTING

WARNING

Do not open the set as there is a risk of electric
shock! Under no circumstances should you try to
repair the set yourself, as this will invalidate the
warranty

If a fault occurs, first check the points listed below before
taking the set for repair.
If you are unable to remedy a problem by following these
hints, consult your dealer or service center.

Problem

Possible cause

Remedy

No sound /power

Volume not adjusted

Adjust the VOLUME

Headphones connected

Disconnect headphones

Power cord not securely plugged to wall outlet Plug in properly

No reaction to

Electrostatic discharge

Disconnect the unit from the mains supply,

controls

reconnect affter a few seconds

Poor bass sound

Speakers not in phase

Connect speaker poles correctly: marked cable
to red terminal; unmarked cable to black
terminal

Severe radio hum or Electrical interference: set too close to TV,

Increase the distance

noise

VCR or computer

Poor radio reception Weak radio signal

FM: Direct the FM antenna wire for optimum
reception

NO DISC indication CD badly scratched or dirty

Replace/ clean CD, see Maintenance

CD-R(W) is blank or the disc is not finalised

Use a finalised CD-R(W)

Laser lens steamed up

Wait until lens has cleared

The CD skips tracks CD damaged or dirty

Replace or clean CD

SHUFFLE or PROGRAM is active

Switch off SHUFFLE / PROGRAM

Poor cassette sound Dust and dirt on the heads, etc.

Clean deck parts, see Maintenance

quality

Use of incompatible cassette type

Only use NORMAL (IEC

I

) or CHROME (IEC

I

I

)

METAL (IEC

IV

)

for recording

CHECK TAPE

Cassette tab(s) may be broken

Apply a piece of adhesive tape over the missing

is displayed

tab space

Tape door

Power supply interruption or attempt to open

Disconnect the unit from the mains supply,

will not open

tape door during tape playback/

reconnect after a few seconds. Press OPEN

recording

Remote control does Batteries dead

Insert fresh batteries

not function properly Batteries incorrectly inserted

Insert the batteries correctly

Distance/ angle between the set too large

Reduce the distance/ angle

TECHNICAL DATA

Amplifier
Output power . . . . . . . . . . . . . . . . . . . . . . 2 x 10 W RMS
Output power. . . . . . . . . . . . . . . . . . . . . . . . 200 W PMPO
Signal-to-noise-ratio . . . . . . . . . . . . . . . . .

65 dBA (IEC)

Input sensitivity AUX . . . . . . . . . . . . . . . . 0.5 V (max. 2 V)
Impedance loudspeakers . . . . . . . . . . . . . . . . . . . . . . 8

Impedance headphones . . . . . . . . . . . . . . . 32

-1000

Tuner
FM wave band . . . . . . . . . . . . . . . . . . . . . 87.5 - 108 MHz
AM wave band . . . . . . . . . . . . . . . . . . . . . . 530- 1700 kHz
Sensitivity at 75

– mono, 26 dB signal-to-noise ratio . . . . . . . . . . . . 2.8

µ

V

– stereo, 46 dB signal-to-noise ratio . . . . . . . . . . 61.4

µ

V

Selectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

28 dB

Total harmonic distortion . . . . . . . . . . . . . . . . . . . . .

5%

Frequency response. . . . . . . . . . . . 63 - 12,500 Hz (± 3 dB)
Signal-to-noise-ratio . . . . . . . . . . . . . . . . . . . . .

50 dBA

CD player
Frequency range . . . . . . . . . . . . . . . . 20 - 20,000 Hz (8 dB)
Signal-to-noise-ratio . . . . . . . . . . . . . . . . . . . . . . . 75 dBA
Tape deck
Frequency response . . . . . . . . . . . . . 80 - 12,500 Hz (8 dB)
Signal-to-noise-ratio (without Dolby NR)
– Normal tape (type

I

) . . . . . . . . . . . . . . . . . . . . . . 50 dBA

Wow and flutter. . . . . . . . . . . . . . . . . . . . . . .

0.4% DIN

Speakers
2-Way Bass reflex system
Dimensions (wxhxd) . . . . . . . . . . . . . . . . . 155 x 220 x 220
General
Dimensions (wxhxd) . . . . . . . . . . . . . . . . . 140 x 223 x 253
Weight (with / without speakers) . . . . approx 7.5 / 3.0 kg
Standby power consumption . . . . . . . . . . . . . . . . . . < 3 W

Subject to modification

XP MC 148/37 01-02-2000 12:09 Pagina 17