English troubleshooting technical data, Warning, Problem possible cause solution – Philips MC145C-37 User Manual
Page 16
Problem
Possible cause
Solution
No sound,
Volume is turned down.
Turn up the volume.
no power
Headphone is connected.
Disconnect headphone.
Mains cable is not securely connected.
Connect mains cable properly.
No reaction to
Electrostatic discharge.
Disconnect the unit from the power supply,
controls
reconnect after a few seconds.
Poor radio
Weak radio signal.
Direct the aerial for optimum reception.
reception
Interference caused by electrical equipment
Keep the unit away from electrical
such as TVs, computers, engines, etc.
equipment.
NO DISC
The CD is badly scratched or dirty.
Replace or clean the CD.
is displayed
No CD, or CD is inserted upside down.
Insert a CD with label upwards.
The laser lens is steamed up.
Wait until the lens has cleared.
The CD skips
The CD is damaged or dirty.
Replace or clean the CD.
tracks
SHUFFLE
or
PROGRAM
is active.
Switch off
SHUFFLE
or
PROGRAM
.
Poor cassette
Dust and dirt on the heads, capstans or
Clean heads, capstans, and pressure rollers.
sound quality
pressure rollers.
Use of unsuitable cassette type
Only use NORMAL or CHROME type cassettes
(METAL) for recording.
for recording.
CHECK TAPE
Cassette tab(s) may be snapped off.
Apply a piece of adhesive tape over
is displayed
the hole.
Remote control
Batteries are inserted incorrectly.
Insert batteries correctly.
does not function
Batteries are flat.
Insert fresh batteries.
properly
The unit is too far away.
Move the unit nearer.
English
TROUBLESHOOTING
TECHNICAL DATA
16
Amplifier
Standby power consumption............................................8 W
Output power......2
´ 10 W RMS
1
/ 8
½ / 1 kHz / THD 10 %
Output power.....................................................200 W PMPO
Music power ............................................................2
´ 20 W
Signal-to-noise ratio........................................
³ 75 dBA (IEC)
Input sensitivity AUX .....................................0.5 V (max. 2 V)
SUBWOOFER output.............................................> 20,000
½
Impedance, speakers ....................................................
³ 8 ½
Impedance, headphones..................................32
½–1000 ½
1)
±1dB
Tuner
FM range ..................................................87.50–108.00 MHz
MW range ........................................................531–1602 kHz
Sensitivity at 75
½:
Mono, 26 dB signal-to-noise ratio...........................2.8 µV
Stereo, 46 dB, signal-to-noise ratio.......................61.4 µV
Total harmonic distortion ..............................................
² 5 %
Frequency response.............................63–12,500 Hz (± 3 dB)
Signal-to-noise ratio ................................................
³ 50 dBA
CD player
Frequency range................................................20–20,000 Hz
Signal-to-noise ratio....................................................75 dBA
Tape deck
Frequency response................................80–12,500 Hz (8 dB)
Signal-to-noise ratio....................................................50 dbA
Wow and flutter .................................................
² 0.4 % DIN
Bass reflex speakers
Dimensions (w
´ h ´ d)........................165 ´ 240 ´ 240 mm
Weight (each) ...................................................approx. 1.5 kg
General
Dimensions (w
´ h ´ d)........................165 ´ 240 ´ 250 mm
Weight (without speakers)..................................approx. 3 kg
Subject to modification
WARNING
Under no circumstances should you try to repair
the unit yourself as this will invalidate the
guarantee.
If a fault occurs, first check the points listed, before
taking the unit for repair.
If you are unable to solve a problem by following these
hints, consult your dealer or service center.