Sony DNW-A220 Maintenance Manual page 42

1-10. Description on Internal Indicators
SY-259/259A Board
Ref.No. Indicator name Color
D201 SY1 STS1 Green
D202 SY1 STS2 Green
D203 MAINTE Green
D204 SY1 ERR Red
SY-260 Board
Ref.No. Indicator name Color
D201 SY2 STS1 Green
D202 SY2 STS2 Green
D203 SY2 STS3 Green
D204 SY2 ERR Red
1-34
Description
Blinks when the SYS1 CPU normally operates
Lit when communication between SYS1 CPU and control
panel is under normal conditions
Unlit when the above communication is under abnormal
conditions
Lit during execution of the maintenance mode
Lit when the SYS1 CPU does not normally operate
Blinks when communication between SYS1 CPU and other
CPU (SYS2, or KY) is under abnormal conditions
Description
Blinks when the SYS2 CPU normally operates
Lit when communication between SYS2 CPU and SV CPU is
under normal conditions
Unlit when the above communication is under abnormal
conditions
Lit when communication between SYS2 CPU and SYS1 CPU is Lit
under normal conditions
Unlit when the above communication is under abnormal
conditions
Lit when the SYS2 CPU does not normally operate.
Blinks when communication between SYS2 CPU and other
CPU (SYS1, or SV) is under abnormal conditions
Normal state
Blinking
Lit
Dark
Dark
Normal state
Blinking
Lit
Dark
DNW-A220
DNW-A220P