Sony IPELA SNC-DM110, Service Manual

Page: 37 / 80

4-7
SNC-DS10/DM110
4-6. Abnormal SENSOR IN
4-7. Abnormal ALARM OUT
Abnormal SENSOR IN
Yes Yes
No
Connect the I/O
(input/output) cable correctly.
Replace CN806.
No
Yes
Replace the I/O
(input/output) cable.
Yes
No
Failure of PH801 and peripheral
circuit on the SY board.
Replace PH801.
No
Failure of DD1 and peripheral
circuit on the PS board.
Replace the defective parts.
Is the I/O (input/output)
cable connected to CN806
on the SY board correctly?
Is there any abnormal state
in the appearance of CN806
on the SY board?
(bending of pin, change in color,
corrosion, etc.)
Is the I/O (input/output)
cable broken?
Is the following voltage input
to CN801 on the SY board?
.
Pin 6: 3.3 V
.
Pin 8: 1.2 V
Abnormal ALARM OUT
Yes Yes
No
Connect the I/O
(input/output) cable correctly.
Replace CN806.
No
Yes
Replace the I/O
(input/output) cable.
Yes
No
Failure of RY801, RY802 and
peripheral circuit on the SY board.
Replace the defective parts.
No
Failure of DD1 and peripheral
circuit on the PS board.
Replace the defective parts.
Is the I/O (input/output)
cable connected to CN806
on the SY board correctly?
Is there any abnormal state
in the appearance of CN806
on the SY board?
(bending of pin, change in color,
corrosion, etc.)
Is the I/O (input/output)
cable broken?
Is the following voltage input
to CN801 on the SY board?
.
Pin 6: 3.3 V
.
Pin 8: 1.2 V