
Level 3 Service Manual
GALAXY ASTRAL GEO GEO WAP
Mitsubishi Electric Telecom Europe SA
Version E
ZA le Piquet, 35370 Etrelles
Date: 04/00
Phone: +33 2 99 75 71 00
Fax: + 33 2 99 75 71 47
19/29
5. Analogue Audio.
The audio part is managed by the One-C circuit (IC300).
5.1 Buzzer.
Diagram :
2.8VD
F4
TR350
5.2 Speaker (RX audio).
Diagram :
internal
receiver
Headset connector J300
Mechanical switch
headset
receiver
hand free
receiver
I/O connector J103 (pin 3 & 14)
5.3 Micro (TX audio).
Diagram :
Internal micro
I/O connector J103 (pin 17 & 18)
Headset connector J300 (pin 1 & 2)
Headset micro
I/O connector J103 (pin 2 & 14)
Hand free micro
IC300 (One C)
alerter
Buzzer
IC300 (One C)
PW01P
PW01N
PW02P
PW02N
IC300 (One C)
VX1P
VX1N
MICREFP
MICREFN
VXI2P
VXI2N