Philips FW-C250, Service Manual

Page: 3 / 72

1-3
SPECIFICATIONS
GENERAL:
Mains voltage : 110-127V/220-240V Switchable for /21/21M
120V for /37
Mains frequency : 50/60Hz
Power consumption : < 15W at Standby
< 70W Active
Clock accuracy : < 4 seconds per day
Dimension centre unit : 265 x 310 x 340mm
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 not for /37
530-1700kHz
Grid : 9kHz not for /37
10kHz
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%
AMPLIFIER:
Output power 1) : 2 x 35W
±
1dB for /21
: 2 x 30W RMS / 2 x 25W FTC for /37
Frequency response within -3dB : 50Hz-15kHz
Dynamic Bass Boost : DBB ON, DBB Off
2)
Digital Sound Control : Jazz, Techno, Optimal, Rock
2)
Headphone output at 32
Ω
: 16mW
Input sensitivity
Aux/Line-in : 700mV
±
2dB at 600
Ω
Mic : {3.5mV}
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
±
5kHz
Rec/Pb frequency response within 8dB : 80Hz - 12.5kHz
Signal to noise ratio : > 48dBA
COMPACT DISC:
Measurement done at output conn. of the CDC module.
Frequency response within
±
1.5dB : 20Hz - 20kHz
Output level (in Vrms) : 550mV, Z
out
= 100
Ω
Signal/Noise ratio (A-weighted) : > 80dBA
Distortion at 1kHz : < 0.003%
Channel unbalance at 1kHz :
±
1dB
Channel separation at 1kHz : > 60dB
De-emphasis : 0 or 15/50 mS (Switched by subcode
on the disc)
{....} Values for /21/21M only
1)
6
Ω
, 1 kHz, 10% THD
2)
Frequency response in each setting is software controlled.