Sony PCS-1500 Service Manual page 159

BRI-2
Start up the application
(normal startup)
2B loop back Press the START
button, enter "1L" to A1 and
A2, and dial up
The local picture
and voice of the local station
are looped back?
NO
(*1) TDM loop back
Start up the service mode
Press the ALPHA button, and
move down joy stick to let the
message CALL 6B 1100 1100
1200.... appear on display.
Input ">set[|]1470000e[|]1↓",
and press the DIAL button
Picture of the
local station is displayed on
monitor, and voice of the local
station can be heard from
your local
station?
NO
IC750 and its peripheral (TDM)
PCS-1500/1500P
YES
(*2)
.
YES
IC800 and its peripheral (81504)
Telephone office loop back
Press START button, enter the
loop back number of telephone
office, and dial up
Picture of the
local station is displayed on
monitor, and voice of the local
station can be heard from
your local
station?
NO
FL800, T201, T202,
connectors or their peripheral
(*2):
When the logotype "SONY" appears
immediately after starting up, press the
"ENTER" button of remote commander once.
Then a message appears prompting you
to input the password. Enter "1500"
as password and the service mode starts up.
4-2. Self-diagnostics Function
YES
The terminal has no problem
Check connection with the line
4-29