General Part 5 - Audio Signal Specicfication; General Part 6 - Audio Signal Specicfication - Philips FWM9000 Service Manual

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AUDIO SIGNAL PROCESSING
MP3 - USB Mini Hi Fi System with Digital Tuner , 3 CDC-MP3, (Main:2×350W+SUB:2×300W+Rear:2x150W) Universal Class D Power Amplifier
3 )
IS ( Incredible Sound )
Select AUX as input source.
Inject sine wave 2V at 1kHz to AUX-IN socket, two channel at a time (input level 600mV for /37,2V for /55 ).
Set DSC to JAZZ ( Flat ) mode and switch of DBB, OSM & INCREDIBLE SURROUND.
Adjust volume level to obtain 1W across 3 OHM load at L/R speaker output.
Inject sine wave 2V to AUX-IN socket withfrequency indicated in Table 3 (input level 600mV for /37,2V for /55 ).
Table 3 ( Tolerence ± 3 dB )
FREQ
60 Hz
1 kHz
10 kHz
Note : The above specs also apply to right channel.
4 )
DSC Mode ( Jazz , Rock, Techno and Optimal )
The VEC modes are software controlled by switching the combination between DBB and DSC modes
as show in Table 4.
VEC MODE
Jazz
POP
T
e
h c
o n
Optimal
Note : When these modes are activ DBB and DSC will not be displayed
5 )
MAX ( Maximum Sound )
Select AUX as input source.
Inject sine wave 2V at 1kHz to AUX-IN socket, one channel at a time (input level 600mV for /37,2V for /55 ).
Set DSC to JAZZ ( Flat ) mode and switch of DBB, OSM & INCREDIBLE SURROUND.
Adjust volume level to obtain 1W across 3 OHM load at L/R speaker output.
The 1W level will be used as 0 dB reference
Inject sine wave 2V to AUX-IN socket withfrequency indicated in Table 5 (input level 600mV for /37,2V for /55 ).
FREQ
60 Hz
1 kHz
10 kHz
Class No
FWM9000 All Version
NAME : Andy Lai
KT
CHECK
1 - 9
INPUT LEVEL
LEFT
RIGHT
2V
-
2V
-
2V
-
DBB Level preset
DBB OFF
DBB 3
D
B
B
3
DBB 2
Max OFF
-1
0
-1
GENERAL PART 1 - AUDIO SIGNAL SPECICFICATION ( 2 )
10
10
DATE :
OUTPUT LEVEL
S I
O
F
F
LEFT
RIGHT
- 1.0 dB
-
0
-
- 0.5 dB
-
Max ON
+19
+5
+7
SH 190 - 6
S I
O
N
LEFT
RIGHT
+2.0 dB
- 15 dB
+ 3.5 dB
0 dB
+ 3.0 dB
-5 dB
Ver
Issued Date
1
08-09-2011
2
3
A4

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