Philips FWT6600 Service Manual page 12

TECHNIAL DESCRIPTION
USB
See also SH 190 USB/SD Audio Module (300605)
Measurment are directly done at the coonector on the board
GENERAL PART
Measurement are directly done at the connector on CDC board
Output Resistance
Output Voltage RL = 33 k ohm ( )dB, 1 Khz )
Channel Unbalance
THD + Noise ( 0dB, 1Khz )
Channel Crosstalk ( ( 0 dB, 1 KHz ) )
( 0 dB, 1 KHz )
Signal to Noise Ratio ( 0dB,1kHz ) ( A - weighted )
Frequency response @±3
Electrical Parameters are to be measured at speaker teminals across 6 ohm load with 500mW output and DSC setting in Jazz Mode
Channel Crosstalk ( 0 dB, 1 KHz )
Signal to Noise Ratio ( 0 dB, 1 KHz )
Channel Unbalance ( 0 dB, 1 KHz )
Remarks :
testing with 20 to 20k Hz filter
Class No
FWT6600/ All Version
NAME : ZC.ZENG
CHECK
Description
FL/FR ch
USB Measurement at Set Level
Description
USB SPECICFICATION
11
DATE :
1-12
Sub ch 30HZ-125HZ(reference 63HZ)
30HZ-10KHZ(Reference 1KHZ)
>= 35dB (with 1 KHz filter )
9 SH 190 -9
Specification
N/A
N/A
< = +/- 3 dB
<=2%
>= 35dB
>= 35dB
>= 57dB( A - weighted )
Specification
>= 55dBA ( A - weighted )
+/- 2dB
Ver Issued Date
1
2
3
23-Sep-11
A4