Philips DCM3100 Service Manual page 5

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Audio Signal Processing
LOUDNESS / S-BASS / PRESET EQUALIZER
Use AUX as input source with following setup conditions :
1)Input sinewave 500mV at 1kHz to L/R channel of AUX-IN socket
2)Set preset equalizer to flat mode
3)Adjust volume to get 500 mW t 6 ohm load at L/R speaker outputs
4)The 500mW level will be used as 0dB reference.
5)Inject sine wave 500mV to AUX-in socket with frequencies indicated in Table 1:
Table 1 (Tolerance±3dB)
DIGITAL SOUND CONTROL (DSC ) FREQUENCY RESPONSE(dB)
VOL STEP
5
1 0
1 5
2 5
3 2(MAX)
DSC
Flat
Jazz
Pops
Rock
Classic
Revise
Name:
Check:
SUPPLY + AF AMPLIFIER + LOUDSPEAKER (BOX SPECIFICATION)
Loudness(dB)
DBB(dB)
100Hz 10KHz
100Hz
±3 ±2
5±3
±3 ±2
15±3
±3 ±2
15±3
5±3
±3 ±2
0 0
±3
Frequency(Hz) Response(dB)
100
1K
10K
100
1K
10K
100
1K
10K
100
1K
10K
100
1K
10K
CD MICRO SYSTEM DCM3100
Date:2010-08-15
Date:
0
0
0
3±2
1±1
0±3
8±3
1±2
4±1
8±2
2±1
5±2
3±2
1±1
0±1
SET SPECIFICATION
Tot.Sh.: 7 SHEET 3