h
d
f
ll d b
i hi
h
bi
i
b
d
d
Table 3 ( Tolerence ± 3 dB )
LEFT
RIGHT
LEFT
RIGHT
4 ) DSC Mode ( Jazz , Rock, Techno and Optimal )
Right channel reference to left channel.
LEFT
RIGHT
OUTPUT LEVEL
Set DSC to JAZZ ( Flat ) mode and switch of DBB, OSM & INCREDIBLE SURROUND.
Adjust volume level to obtain 500mW across 4OHM load at L/R speaker output.
Inject sine wave 2V to AUX-IN socket withfrequency indicated in Table 3 (input level 500mV for /37,2V for /55 ).
+2.0 dB
-17.0 dB
AUDIO SIGNAL PROCESSING
MP3 - USB Mini Hi Fi System with Digital Tuner , 1CDCfor NX5 NX7 ALL
FREQ
INPUT LEVEL
3 ) IS ( Incredible Sound )
Select AUX as input source.
Inject sine wave 2V at 1kHz to AUX-IN socket, one channel at a time (input level 500mV for /37,2V for /55 ).
1 kHz
+ 3.5 dB
-0 dB
2V
60 Hz
-
- 1.0 dB
-
-
+ 3.0 dB
-7.0 dB
2V
-
0
-
10 kHz
2V
-
- 0.5 dB
Note : The above specs also apply to right channel.
IS OFF
IS ON
Ver
Issued Date
1
Class No
GENERAL PART 1 - AUDIO SIGNAL SPECICFICATION ( 2 )
10 kHz
- 0.5 dB
+ 10.0 dB
Set DSC to JAZZ ( Flat ) mode and switch of DBB, OSM & INCREDIBLE SURROUND.
Adjust volume level to obtain 500mW load at L/R speaker output.
The 500mW 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
00 dB
+ 19 .0 dB
1 kHz
Note : When these modes are activ DBB and DSC will not be displayed
DBB Level preset
DBB OFF
DBB 2
0
+ 7.0 dB
Max OFF
Max ON
60 Hz
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 ).
DSC MODE
Optimal
POP
Jazz
The VEC modes are software controlled by switching the combination between DBB and DSC modes
as show in Table 4.
Techno
DBB 3
DBB 1
A4
10
SH 190 - 6
KT
16-4-2013
3
CHECK
DATE :
NAME : MZ.FENG
10
2
1
NX5 NX7 ALL
Summary of Contents for NTRX500
Page 16: ...3 1 3 1 BLOCK DIAGRAM ...
Page 17: ...WIRING DIAGRAM 4 1 4 1 ...
Page 19: ...CIRCUIT DIAGRAM MAIN BOARD AND JACK BOARD ...
Page 20: ...6 2 6 2 ...
Page 21: ...6 3 6 3 ...
Page 22: ...6 4 6 4 PCB LAYOUT MAIN BOARD ...
Page 23: ...6 5 6 5 PCB LAYOUT JACK BOARD ...
Page 24: ...7 1 7 1 CIRCUIT DIAGRAM AMP BOARD ...
Page 25: ...7 2 7 2 PCB LAYOUT AMP BOARD ...
Page 26: ...8 1 8 1 CIRCUIT DIAGRAM MCU BOARD AND CD BOARD ...
Page 27: ...8 2 8 2 CIRCUIT DIAGRAM MCU BOARD AND CD BOARD ...
Page 28: ...8 3 8 3 PCB LAYOUT MCU CD BOARD ...
Page 29: ...8 4 8 4 PCB LAYOUT MCU CD BOARD ...
Page 30: ...EXPLODED VIEW 9 1 9 1 ...