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Extracted text from philips mc 230 mc 235 mc 235 b (Ocr-read)
Page 1
1-2
LOCATION OF PRINTED CIRCUIT BOARDS
/21 /22 /25 /30 /37x
x
x
x
x
n
i
R
D
C
/
n
i
x
u
A
Line Out
Video Out
Surround Out
Subwoofer Out
Power Booster Out
Digital Out
Digital in
Matrix Surround
x
x
S
D
R
x
x
s
w
e
N
Dolby Pro Logic (DPL)
Incredible Surround
Karaoke Features
Vo x r
o
t
c
e
l
e
S
e
g
a
t
l
ECO Power Standby (LCD Display Off) x x
ECO6 Tuner Board - Systems Non-Cenelec x x x
ECO6 Tuner Board - Systems Cenelec x x
USB PC LINK
VERSION VARIATIONS:
Type /Versions:
Features &
Board in used:
SPEAKER BOARD
POWER BOARD
DISPLAY BOARD
KEY_A BOARD MAIN BOARD
O
B
B
_
Y
E
K
R
A
D
HEADPHONE BOARD
KEY_C BOARD
FM/AM BOARD
MC230
MC235
/37/79
MC235B
/79 /05 /12
xx xx
x
x
x
x
x
x
x
x
x
x
xx
Page 2
1-3
SPECIFICA TIONS
GENERAL:
Mains voltage : 120/240V ± 15% Switchable for /21
120V ± 10% for /37
230V ± 10% for /22/25
240V ± 10% for /30
Mains frequency : 50/60Hz
Clock accuracy : < 4 seconds per day
Dimension centre unit : 250 x 245 x 96 (mm)
Power consumption
Active : 15W for /21/22/25/37/30
Standby : < 6W (DEMO mode off)
ECO Power Standby : < 1W for /22/25
TUNER:
FM
T uning range : 87.5-108MHz
Grid : 50kHz 100kHz for /21/37
IF frequency : 10.7MHz ± 20kHz
Aerial input : 75 -„¦ coaxial
300 -„¦ for /37
Sensitivity at 26dB S/N : < 22dBf
Selectivity at 300kHz bandwidth : > 33dB
Image rejection : > 20dB [> 25dB]
Distortion at RF=1mV, dev. 75kHz : < 3%
-3dB Limiting point : < 23.5dB
Crosstalk at RF=1mV, dev. 40kHz : > 26dB
MW
T uning range : 531-1602kHz
530-1700kHz for /21/37
Grid : 9kHz 10kHz for /21/37
IF frequency : 450kHz ± 1kHz
Aerial input : Frame aerial 18.1 µH
Sensitivity at 26dB S/N : < 4.0mV/M
[> 3.25mV\
/M]
Selectivity at 300kHz bandwidth : > 20dB
IF rejection : > 24dB
Image rejection : > 20dB [> 28 dB]
Distortion at RF=50mV, M=80% : < 5%
AMPLIFIER:
Output power
L & R : 2 x 5W FTC (4 -„¦, 1kHz, 10% THD)
Frequency response within -3dB : 60Hz-14kHz
Digital Sound Control (DSC) : Jazz / Rock / Pop / Classic
Dynamic Bass Boost (DBB) : Jazz / Rock / Pop / Classic Input sensitivity
Aux in (at 1kHz) : 500mV at 600 -„¦
Output sensitivity Headphone output at 32 ohm : 15mW ± 2dB (Max. vol.)
COMPACT DISC:
Frequency response within ± 3dB : 63Hz - 14kHz
Output level (in Vrms) : 500mV, Z
out = 100 -„¦
Signal/Noise ratio (A-weighted) : > 67dBA
Distortion at 1kHz : < 0.02%
Channel unbalance at 1kHz : < ±2dB
Channel separation at 1kHz : > 30dB
Emphasis : 15/50 µS (switched
automatically by CD10)
THD Noise(1kHz) : < 1.5%
Outband Attenuation : > 35dB
[....] Values indicated are for /22/25 only.