NO
YES
NO
YES
NO
NO
YES
YES
NO
YES
NO
YES
NO
NO
YES
YES
NO
YES
-21-
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
Содержание S-1800H80/180
Страница 44: ...N o 6 8 8 A...
Страница 46: ......
Страница 48: ......
Страница 49: ...NO 748 BUSY CH1 BUSY GND CH2 BUSY M GND REQ CH1 REQ GND CH2 REQ M GND ACK CH1 ACK GND CH2 ACK M GND...
Страница 50: ...NO 748 H SYNC CH1 J15 3pin GND V SYNC CH2 J15 4pin GND...
Страница 53: ......
Страница 55: ...NO 654 FRQ CH1 FRQ GND P...
Страница 64: ......
Страница 67: ......
Страница 69: ......
Страница 70: ...180kHz HULL UNIT CIRCUIT DIAGRAM WAVE FORMS 180 kHz...
Страница 73: ......
Страница 75: ......
Страница 81: ...70V...
Страница 83: ...NO 703 CH1 FRQ GND P...
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Страница 119: ...HULL UNIT ASSEMBLY DRAWING...