|
No hay comentarios de productos.
TROUBLESHOOTING GUIDE
DOES NOT LIGHT ON DISPLAY
Is the voltage at pin 1 and 2 of V651 about -11V?
No
Check FILAMENT(+) line of POWER BLOCK.
Yes
Is the voltage at pin 31 and 32 of V651 about -13V?
No
Check FILAMENT(-) line of POWER BLOCK.
Yes
Is the voltage at pin 13 of IC651 about 5V?
No
Check AT+D5V line of POWER BLOCK.
Yes
Is the voltage at pin 30 of IC651 about -18V?
No
Check -20V line of POWER BLOCK.
Yes
Replace V651 or IC651.
D-3
|