Inter-m PU-103 - Block Diagram

PUBLIC ADDRESS MIXING AMPLIFIER
13
PU-103/106/112
Block Diagram
Block Diagram
MP3
DECODER
PLAY MODE BUTTON
+35 -35
SMPS
+38+15
MUTE
E
XT MUTE
TEL IN 0.775V/10k
+ H G
TONE CONTROL
INPUT 1 LED INPUT 2 LED
INPUT 3 LED
AC 120-240V, 50/60Hz
POWER
POWER S/W
MIC1
-60dBV/2k
Rear XLR Jack
PHANTOM POWER
MIC2/AUX1 -60dBV/2k
-20dBV/20k
AUX2 -20dBV/10k
TEL
Priority
MIC 1
Priority
PA
VOL 1 VOL 2
VOL 3
TEL LEVEL
MASTER VOL
LIMTER
CIRCUIT
INPUT 1 INPUT 2
INPUT 3
OPT
-38-15
REG REG
POWER LED
-15
BASS TREBLE
200Hz 15kHz
G=+40
G=+40
G=0 G=0
G=0
G=10
G=30
G=-10
100V
70V
4ohm
COM
USB 2.0
USB - MP3 PLAYER
FUSE
T3.1 5A/250V