Suzuki S-1800H80/180, Technical Manual

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S-1800M15
No picture on display screen when powered.
Is fuse in Control Box OK?
Replace the fuse.
Is fuse OK after new
fuse replacement?
Check if the replaced
fuse blows after
removing J1 on Power
supply board (No.694.)
POWER SUPPLY
PCB NO.694
Check the 12V output is
present at J3-No.2 in Power
Supply PCB No.694.
Check the connection between
Control Box and Monitor Unit is
correct.
Are the below point normal on power
supply board in the control box?
Is 5V present at J3-No.1?
Is 12V present at J3-No.3?
Are the waveforms of V-SYNC,
H-SYNC and RGB seen at J9
and J10 in Main PCB for
Control Box?
Is the VGA cable between
Control Box and Monitor
Unit connected correctly?
MONITOR UNIT
POWER SUPPLY
CABLE
Check the connectors are
securely connected.
Are the 5V and 12V lines
on the power supply board
normal when J13 on the
main board is removed?
VGA connection
cable
POWER SUPPLY
PCB NO.692
Check the connectors are
securely connected.
MAIN PCB