Brother International IntelliFax-3550 Service Manual - Page 37
TXO, signal from modem to line, Mounted on the Turkish versions only.
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1-1 1-2 1 2 3 Main PCB Circuit Diagram 4/7 1 Operational amplifiers for modem-to-line interface 1-1: RIN, signal from line to modem 1-2: TXO, signal from modem to line 2 Modem 3 Short pin Mounted on the Turkish versions only. III - 18
III –
18
Main PCB Circuit Diagram 4/7
1
Operational amplifiers for modem-to-line interface
1
-1:
RIN, signal from line to modem
1
-2:
TXO, signal from modem to line
2
Modem
3
Short pin
Mounted on the Turkish versions only.
1
2
3
1
-1
1
-2