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Extracted text from philips fwm 154 12 (Ocr-read)
Page 1
Tuner
FM
Tunin gRange 87.5 - 108MHz
Tuninggrid 50KHz
Sensitivity
- Mono,26d BS/NRatio
- S tereo,46d BS/NRatio
<22dBu
<45dBu
Sea rchSele ctivity <28 dBu
TotalHa rmoni cDistortion <3%
SignaltoNoiseRatio >45dB
MW
Tunin gRange 531 - 1602kHz
Tape deck
FrequencyRespons e
Normaltape(typeI)
125-800 0Hz
(8dB)
S/NRatio
Normaltape(typeI) 35dB A
<=0.4%DIN
Spea kers
SpeakerImpedance 8oh m
RatedOutputPower 2X20W RMS
FrequencyResponse 63 - 1600 0Hz, ± 3dB
SignaltoNoiseRatio >62dB
Disc
LaserType Semi condu ctor
DiscDiame ter 12cm/8cm
SupportDisc CD-DA,CD-R,
CD-RW,MP3-CD,
WMA -CD
AudioDA C 24Bits / 44.1kHz
TotalHa rmonic
Distortion <1%
FrequencyResponse 63Hz - 16kHz
S/NRatio >65dB A
TECHNICAL SPECIFICATION
1 - 2
Type /Versions :
Feature s
Board inused :
FWM154
Service policy
DISPL AY BOARD
AUX BOARD
*TIPS : C -- Component Lever Repai r.
M -- Module Lever Repair
-ˆš -- Used
/05 /12 /55 89/ 16/ 85/
Feature di ffrence
RDS & DAB
VO LTAGE SELEC TOR
ECO S TANDB Y - DARK -ˆš
Type /Versions :
/05 /12 /55 89/ 16/ 85/
VERSION VARIATION
39/
39/
C
C
-ˆš
CD BOARD
AMP BOARD
POWER STANDBY BOARD
SPEAKER PLYWOOD BOARD
CASSETTE BOARD
MP3 LINK BOARD
C
C
C
C
C
C
FWM154
PROG BOARD C
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
