Philips DCM2170 Service manual

DCM2170/all

DC M2 17 0

DC M2 17 0

PAGE-2

MCM2170 Elec parameter Test Report

TEST CONDITIONS:

1.POWER SUPPLY: AC.Accordiing to Ver

2.REF OUTPUT:8Ω 1W , Sound effect off

3.FM MONO: 22.5KHz Dev,1KHz MODULATION ,75Ω IMPEDANCE ,60dBu

4.FM STEREO : MAIN+SUB = 50KHz, PILOT : 10KHz,COMPOSITE: 40.0KHz

FM SECTION：

NO TEST ITEMS UNIT NOM.

1 Fvequency Range MHz

90 18 22

2 26dB QUENTING SENSITIVITY

-3dB LIMITING POINT

3 dBf 17 25

FM IF REJECTION 98MHZ S/N=26dB

4dB5550

IMAGE REJECT 98MHZ S/N=26dB

5dB2420

SELECTIVITY S 0.3

6dB4033

7 S/N

OVERALL DISTERTION

8%35

MODULATION HUM

9dB4540

10 FREQUENCY RSEPOUSE

11 TUNING SENS

AUTO TUNING SENG

12 ALL dBf 24-32 19 - 35

13 TUNING ACCURAY

14 STEREO CHANNEL SEPARATION

THD 10% POWER

15 W 25

CD SECTION：

TOTAL HARMONIC DISTORTION

1 1KHz %

S/N (1KHz,A-weightde)

2 dBA 76 70 94

FREQUENCY RESPONSE AT

3

LOUDSPEAKER OUT

CHANNEL DIFFERENCE (1KHz)

4dB0

CHANNEL SEPARATION

5

L/R

1K

10K

98 18 22

106 18 22

MONO 55 50

ST 55 50

63Hz ±3

12.5K ±3

90MHz dBf 24-32 19 - 35

98MHz dBf 24-32 19 - 35

106MHz dBf 24-32 19 - 35

＜91

＞91

400Hz dB 21 18

1KHz dB 25 20

5KHz dB 18 15

40Hz dB ±3

16KHz dB ±3 -1.9

LdB4026

RdB4026

LdB3016

RdB3016

dBf

dB

MHz 0

MHz 0.5

UNIT NOM.NO TEST ITEMS LIMIT

≤1.5 ≤2 0.3 0.3

LIMIT

87.5

108

≤2

TEST DATA

1# 2#

87.5 87.5

108 108

17

18

19

17

>55 >55

>24 >24

//

58

/

0.3

46

/

/

28

28

29

31 30

00

0

48

34

26

25.76w 25.82w

TEST DATA

1# 2#

-1.8 -2

0.3

73 75

68 69

57 58

55 57

17

17

18

19

58

/

0.4

43

/

/

27

28

30

0

48

36

26

95

+1.6

0.22

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Residual noise (Vol min)

6nW

HUM

7nW

10% THE POWER

8W25

AUX SECTION：

TEST ITEMS

L/R OUTPUT POWER (10% THD, Ohm,1KHz)

1W25

FREQUENCY RESPONSE AT

2

LOUDSPEAKER OUT

AMPLIFIER DISTORTION

3%

CHANNEL SEPARATION

4

CHANNEL DIFFERENCE（1KHz）

5dB0

LEVEL
DIFFERENCE

6

(RATED OUTPUT
POWER AT 1KHz)

INPUT SENSITIVITY(RATED OUTPUT POWER AT

7 mV 600 ±200 660 640

1KHz,10%THD

S/N RATIO (1KHz,A-WEIGHTED)

8 dBA

HUM (VOL.MIN-MAX-20dB,without signal)

9nW-

RESIDUAL NOISE (VOL.MIN.with signal ) A-WEIGHTED

10 nW -

FM 1KHz 67.5KHz DEV,68dBf

CD disc1-6dB track35

L/R

1K

10K

40Hz dB ±3 -3 -3

16KHz dB ±3 -1.4 1.5

≤1.5 ≤2 0.42

LdB40267370

RdB40267167

LdB30166359

RdB30166257

dB - ±5 4 4

dB - ±3 3 3

≧76 ≧70

≤40

≤200

LIMITNOM.UNITNO

≤2

≤200

≤40

2.4 2.4

2.4 2.4

25.43W 25.52W

TEST DATA

1# 2#

26w 26w

0.46

00

86 78

80 86

611

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Safety instruction

PAGE-5

ESD PROTECTION

PAGE-6

SAFTY PRECAUTIONS