Philips MCM2050/05/12, Service Manual

TECHNIAL DESCRIPTION

TUNER using SI4705

GENERAL PART

WAVE RANGE

TOLERANCE

TUNING GRID

FM            87.5    -   108.00  MHz    (12/05/79)

Quartz Precision

50KHZ

NC

INDICATORS    LCD  DISPLAY

AERIAL
FM           :        75 OHM ANT
MW         :         NC

ELECTRICAL DATA

A.M

Nom

Limit

Unit

F.M.

Nom

Limit

Unit

- 3 dB Limiting Point

:       17

23.5

dBf

Amplification Reverse

:         0

-4

dB

Amplification Reverse

/

/

dB

Distortion ( RF 1mV, Frq Dev.75 kHz  )

:         2

3

%

AGC Figure of Merit

/

/

dB

Stereo - 46 dB Quieting

:       46

49

dBf

Distortion ( RF 50mV, M 80% )

/

/

%

Crosstalk (RF1mV, Freq Dev.40kHz )

:       25

18

dB

IF

/

/

kHz

IF

        /

/

MHz

/

/

/

Wave Range

 Noise Limited Sensitivity 26 dB

Search tuning 

sensitivity dBf

IF Rejection

dB

/

/

/

Large Signal

Selectivity

S3 / S9 / 300kHz

dB

MW 600 kHz

Nom.

1500uV/M

MW 1400 kHz

Nom.

1500uV/M

/

Lim.

4000uV/M

/

/

/

/

/

/

/

/

Lim.

4000uV/M

/

FM 98 MHz

Nom.

18dBf

/

108 dBf

25

22   dBf

/

116 dBf

30

Lim.

22dBf

35  dBf

TECHNICAL SPECIFICATION

Timer Setting

:                   Clock and Timer

Timer Wakeup Mode

:                   LAST SETTING (MODE)

TECHNIAL DESCRIPTION

SOFTWARE IMPLEMENTED CLOCK / TIMER FUNCTION WITH 75.000kHz QUARTZ OSCILLATOR.

GENERAL PART

1RRI7LPHU6HWWLQJV

:                   1

&ORFN$FFXUDF\

:                 Normal: 0.5 sec/day                 Limit : 1 sec/day

Remarks Time Setting

:                   for 24hrs   

Volume at Wakeup

:                   Last Setting

,1',&$7256

'LVSOD\7\SH

/&'

1-5