TECHNIAL DESCRIPTION
CD + MP3 - Part Specifications
CD mechnism refer to Philips standard specification
Measurement are directly done at the connector on CDC board
GENERAL PART
Description
Extern
Nom
Lim
Unit
Ohms
Output Voltage - Unloaded ( 0dB , 1 kHz )
No
0.5
± 1
Vrms
Output Resistance
No
< 100
dB
Frequency Response ( 125 Hz - 16 kHz )
No
5
± 3
dB
Channel Unbalance
No
< ± 2
dB
Signal to Noise Ratio ( A - weighted )
Yes
65
55
dBA
Signal to Noise Ratio ( Unweighted )
Yes
60
50
dB
Crosstalk ( 125Hz to 16kHz )
No
36
30
dB
Crosstalk ( 1kHz )
Yes
65
55
nW
Emphasis
-
/
/
/
Hum & Noise ( *1 )
No
400
500
1-4
TECHNICAL SPECIFICATION
THD (1KHz, 0dB)
2%
3%
500mV 1KHz input
Crosstalk (different source, 1KHz)
60dB
50dB
500mV input
/
Frequency response (5+/-3dB)
SNR wtd. dBA
/
/
150mV input
50dB
500mV 1KHz input
SNR wtd. dBA
62dBA
57dBA
500mV 1KHz input
SNR unwtd.
60dB
/
/
100 to 10KHz (overall)
AUX IN Part
/
Crosstalk (different source, 10KHz)
/
/
/
Crosstalk (different source, 1KHz)
TECHNIAL DESCRIPTION
MP3 Link
MP3 Link Part
Crosstalk (different source, 10KHz)
45dB
35dB
500mV input
/
/
Nom.
Limit
Condition
Frequency response (-3dB)
/
THD (1KHz, 0dB)
/
/
/
/
/
L, R Channel Separation
/
/
/
L, R Channel Separation
36dB
30dB
500mV input
SNR unwtd.
/
Summary of Contents for MCM2050/05/12
Page 9: ...SET BLOCK DIAGRAM 3 1 3 1 ...
Page 10: ...WIRE CONNECT DIAGRAM 3 2 3 2 ...
Page 11: ...4 1 4 1 CIRCUIT DIAGRAM LCD DC MP3 KEY BOARD ...
Page 12: ...4 2 4 2 LAYOUT DIAGARM LCD DC MP3 KEY BOARD TOP SIDE VIEW ...
Page 13: ...LAYOUT DIAGARM LCD DC MP3 KEY BOARD BOTTOM SIDE VIEW 4 3 4 3 ...
Page 14: ...CIRCUIT DIAGARM MAIN BOARD 5 1 5 1 ...
Page 15: ...LAYOUT DIAGARM MAIN BOARD TOP SIDE VIEW 5 2 5 2 ...
Page 16: ...LAYOUT DIAGARM MAIN BOARD BOTTOM SIDE VIEW 5 3 5 3 ...