4-38
PCS-1500/1500P
4-2. Self-diagnostics Function
V.35-2
NO
YES
>pass
[|]
if_mgr
↓
>loop
[|]
off
↓
V.35-2
Move up both pin 1 and 2 of
V.35 DIP switch on rear side
of network tool
(Local loop setting)
Input “1” to A1 of dial list,
select “V.35 without RS-366”
as I/F, and send it
Picture of the
local station is displayed
on monitor and voice of
the local station is
also heard?
Repair of the data and timing
systems is complete
EMI filter is defective
[Replace the FL200 to FL209]
Or, IC101 and its peripheral
V.35-3
NO
YES
V.35-1
V.35-3
Voltage at IC100
[5] is
_
5 V?
Transceiver block (V.35) is
defective
[Replace IC101 and IC102]
Voltage converter block is
defective
[Replace IC100, C100, C110]
Summary of Contents for PCS-1500
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