Philips DCM3100, Service Manual

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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)
10KHz
5±3
1 0 ±3
15±3
1 5 ±3
15±3
2 5 ±3
5±3
3 2(MAX) 0
±3
Flat
Jazz
AF AMP LOUDSPEAKER (BOX SPECIFICATION)
Loudness(dB) VOL STEP
DSC Frequency(Hz) Response(dB)
DBB(dB)
100Hz
0
1K 0
10K 0
100 0
100 3±2
1K 1±1
5
±2
±2
±2
±3 ±2
100Hz
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CD MICRO SYSTEM DCM3100
SET SPECIFICATION
Name:
Check: Date:
Date:2010-08-15 Tot.Sh.: 7 SHEET 3
1K 1±2
10K 0±3
100 8±3
1K 2±1
10K 5±2
100 3±2
10K 0±1
10K 4±1
100 8±2
1K 1±1
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