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Extracted text from philips mcm 233 service manual (Ocr-read)
Page 1
Ampli? er
Total output power 2 x 10 W R MS
Frequency
response 80 H z - 16 kH z, ± 3 dB
Signal to noise ra o > 60 dB
MP3 link inp ut 0.5 V R MS 20 k
Disc
L aser type Semiconductor
Disc diameter 12 cm /8 cm
Support disc C D -D A , C D -R , C D -
RW , MP3-C D, W MA -
CD
A udio DA C 24 Bits / 44.1 kH z
Total harmonic
distor on < 1.5%
Frequency
response 60 Hz -16 kHz (44.1
kH z)
Signal to noise ra o > 55 dBA
Tuner
Tuning range FM: 87.5 - 108 MH z
Tuning grid 50 KH z
Numbe r of presets 20
Speakers
Speaker impedance 2 x 10 W , 6
General informa on
A C power 100-240V~ ,
50/60H Z
Opera on Power
Co nsump on 15 W
Standby Power Co nsump on 1 W
Eco Power Standby Power
Co nsump on 0.8 W
USB D irect Version 2.0/1.1
Dimensions
- Main U nit ( W x H x D ) 565 x 245 x
10 4 m
m
Weight
-MainUnit 2.7kg
TECHNICAL SPECIFICATION
1 - 2
Type /Versions:
Features Board in used: MCM233
Service policy
KEY BOARD LCD BOARD
* TIPS : C -- Component Lever Repair. M -- Module Lever Repair
-ˆš-- UsedFeature diffrence
RDS & DAB
VOLTAGE SELECTOR
ECO STANDBY - DARK
Type /Versions:
/12
VERSION VARIATION
C
-ˆš
POWER KEY BOARD
MCM233
C C
/12 /55
OPEN/CLOSE BOARD C
/55
-ˆš /79
REMOTE INCEPT BOARD
RADIO BOARD
MAIN BOARD
USB BOARD C
C
C C C
C
CC
CC
C C
/98
M/C
CCC
CC
M/C C
/79 /98
-ˆš
/78
C
C
CC
CC
M/C C
/78
-ˆš
Page 2
1-3
LF Generator e.g. PM5110
Recorder
Use Universal Test Cassette CrO2SBC419 4822 397 30069
LEVEL METERe.g. Sennheiser UPM550
with FF-filter
S/N and distortion met e e.g. Sound Technology ST170
L
R DUT
or Universal Test Cassette
FeSBC420 4822 397 30071
LEVEL METERe.g. Sennheiser UPM550 with FF -filter
S/N and distortion metere.g. Sound Technology ST1700B
L
R DUT
CD
Use Audio Signal Disc
(replaces test disc 3)SBC429 4822 397 30184
Bandpass
250Hz-15kHz
e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT
S/N and distortion meter e.g. Sound Technology ST1700B
Frame aeriale.g. 7122 707 89001
Tuner AM (MW,LW)
To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday´s cage.
Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).
RF Generator e.g. PM5326
Ri=50 :
Bandpass
250Hz-15kHz
e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT
RF Generator
e.g. PM5326
S/N and distortion meter e.g. Sound Technology ST1700B
Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).
Ri=50 :
Tuner FM
MEASUREMENT SETUP
