Sony LMT-300 Service Manual page 25

9. IO-243 board
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3
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The address on the board is indicated in parenthesis.
Ref No. (Address)
D101 to D108 (D-2)
D109 (E-3)
D112 (D-2)
D113 (D-2)
D207, D208 (B-1)
D209 to D212 (B-2)
LMT-300
A B C
D207 D208
D209 D210
D102
D211 D212 D104
D106
D108
Color Name
Green
Green IO-243 POWER indicator
Green IO-243 POWER indicator
Green IO-243 POWER indicator
Green IO-243 RELAY indicator
Green IO-243 RELAY indicator
Relay
A
RY-N/C
C
RY-COM
B
RY-N/O
D E
D112
D101
D103
D105
D113
D107
D109
Function
Factory use only
Lights up when the power is supplied.
Lights up when the DC-DC converter is normal.
Lights up when the DC-DC converter is normal.
Lights up when the relay circuit becomes C-B connection.
(Turns off when it becomes the initial state A-C connection.)
Lights up when the relay circuit becomes C-B connection.
(Turns off when it becomes the initial state A-C connection.)
1-17 (E)