Philips MC-21, Service Manual

Page: 3 / 92

1-3
SPECIFICATIONS
GENERAL:
Mains voltage : 110-127V/220-240V Switchable for /21/21M
220-230V for /22
120V for /37
Mains frequency : 50/60Hz
Power consumption : < 15W at Standby (Demo off)
< 1W at Eco Power Standby /22
< 80W Active
Clock accuracy : < 4 seconds per day
Dimension centre unit : 175 x 244 x 322mm
TUNER:
FM
Tuning range : 87.5-108MHz
Grid : 50kHz
100kHz for /37
IF frequency : 10.7MHz
±
25kHz
Aerial input : 75
Ω
coaxial
300
Ω
click fit for /37
Sensitivity at 26dB S/N : < 7
µ
V
Selectivity at 600kHz bandwidth : > 25dB
Image rejection : > 25dB
Distortion at RF=1mV, dev. 75kHz : < 3%
-3dB Limiting point : < 8
µ
V
Crosstalk at RF=1mV, dev. 40kHz : > 18dB
MW
Tuning range : 531-1602kHz
530-1700kHz for /21/37
Grid : 9kHz
10kHz for /21/37
IF frequency : 450kHz
±
1kHz
Aerial input : Frame aerial
Sensitivity at 26dB S/N : < 4.0mV/M
Selectivity at 18kHz bandwidth : > 18dB
IF rejection : > 45dB
Image rejection : > 28dB
Distortion at RF=50mV, m=80% : < 5%
LW
Tuning range : 153-279kHz for /22
Grid : 3kHz
IF frequency : 450kHz
±
1kHz
Aerial input : Frame aerial
Sensitivity at 26dB S/N : [< 6.0mV/M]
Selectivity at 18kHz bandwidth : [> 24dB]
IF rejection : [> 45dB]
Image rejection : [> 30dB]
Distortion at RF=50mV, m=80% : [< 5%]
AMPLIFIER:
Output power : 2 x 50W RMS
1)
/22
2 x 40W FTC
2)
/37
Frequency response within -3dB : 50Hz-16kHz
Treble control : 12.5kHz
±
3 steps
3)
Bass control : 55Hz
±
3 steps 3)
Incredible Sound : ON/OFF 3)
wOOx Level control : 3, 2, 1, OFF 3)
Headphone output at 32
Ω
: 680mV
±
1dB
Sub-woofer output : 1.5V
±
3dB at 22k
Ω
Digital output (IEC958, 44.1kHz) : 0.5Vp-p
Aux / CDR input : 500mV / 1V
±
2dB at 600
Ω
CASSETTE RECORDER:
Number of track : 2 x 2 stereo
Tape speed : 4.76 cm/sec
±
2%
Wow and flutter : < 0.4% DIN
Fast-wind/rewind time C60 : 130 sec
Bias system : 75kHz
±
10kHz
Rec/Pb frequency response within 8dB : 80Hz - 12.5kHz
Signal to noise ratio Type I : > 47dBA
Type II : > 52dBA
COMPACT DISC:
Measurement done at output conn. of the 3DTC module.
Frequency response 0/-2dB: 20Hz - 20kHz
Output level (in Vrms) : 550mV, Z
out
= 100
Ω
Signal/Noise ratio (A-weighted) : > 76dBA
Distortion at 1kHz : < 0.02%
Channel unbalance at 1kHz :
±
1dB
Channel separation at 1kHz : > 79dB
De-emphasis : Switched by subcode on the disc
[....] Values indicated are for "Cenelec version" only
1)
6
Ω
, 1kHz, 10% THD
2)
6
Ω
, 60Hz - 12,5kHz, 10% THD
3)
Frequency response in each setting is software controlled.