1.2
In case of LT-30
XX
(1)POWER is turned off.
Connect the Power plug and turn on the main Power switch (Front switch or remote switch).
Is the POWER LED lit?
Is the power plug connected
to the wall outlet correctly?
YES
·
To “Flashing in green”(2)
·
To “Flashing in amber”(3)
Poor power plug connection.
NO
NO
YES
Is the 24V and 8.5V output
available at Pin2(8.5V) and
Pins 4, 6(24V) of the J810
connector? (VH connector)?
*
Voltage range of 8.5V :8.1~8.8V
*
Voltage range of 24V :22~26V
NO
Is the IN_24V output
3Vdc at Pin8(24V) of the J810
connector? (VH connector)
If not outputting, IC300 or its
Periphral circuits is out of
order.(
PWB-MAIN
)
If outputting,
Power unit
is
out of order.
YES
YES
IC300 and peripheral circuits
are out of order.
(PWB-MAIN)
Pin No. Voltage
8.5V
2
8.5Vdc
24V
4, 6
24Vdc
YES
Is all harness connected
correctly?
All harness connects
correctly.
Is the S5V and S3.3V, AD3.3V output
available at Pin12(S5V) and Pin13
(S3.3V) of J303 and at Pin6 of J190
(PH connector)?
NO
Power supply circuit
which generates S5V
and S3V and AD3.3V in
the
PWB-SUB(SET)
is
out of order.
CN
Pin No. Voltage
S5V
J303
12
5Vdc
S3.3V
J303
13
3.3Vdc
AD3.3V
J190
6
3.3Vdc
Page 39
MODELS: LT-2220
/ LT-2240 /
LT-3020
/ LT-3040 / LT-3050
