Maintenance and inspection
35
10.3.2
After completion of the test
If power is ON without removing the jumper bar for test,
devices may be damaged or burnt out.
Unless cables removed for test are returned, the unit may not
operate or may malfunction.
Remove all the short-circuited cables for the test and return the disconnected cables as they were according to the
following procedure.
● Reconnect the ground cables and connectors on the PC board as they were.
● Return the dust cover, top panel, right panel, and left panel as they were.
● Connect the input power cable to the input terminal and return the terminal cover.
● Connect the input power cable to the power box switch.
Summary of Contents for YD-350GY4
Page 31: ...Operation 28 9 3 CRATER Operation Turn the torch switch on and off twice ...
Page 42: ...Parts list 39 12 Parts list 12 1 Parts list for YD 350GY4 Front view Rear view Top view ...
Page 43: ...Parts list 40 Right view Left view ...
Page 46: ...Parts list 43 12 3 Parts list for YD 500GY4 Front view Rear view Top view ...
Page 47: ...Parts list 44 Right view Left view ...
Page 50: ...Circuit diagram 47 13Circuit diagram 13 1 Circuit diagram for YD 350GY4HJE ...
Page 51: ...Circuit diagram 48 13 2 Circuit diagram for YD 500GY4HJE ...
