Voltronic Axpert VM IV - Page 17

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Meanwhile, we also need to check the driver tubes of these power tubes.
R91/R102/R96/R101: (22R 1206)
R90/R99/R94/R97: (0R 1206)
D32/D35/D33/D34: (1N4148W 0.15A 75V SMD)
Parts
Attribute
Reference values
Failure status
R91/R102/R96/R101
Resistor
22 ohm
Open or other
values
R90/R99/R94/R97
Resistor
0 ohm
D32/D35/D33/D34
1
Resistor
+ to -: 270k
- to +: OL
Short or explosion
Diode
+ to -: 0.6V
- to +: OL
Note1: When test the diode; please remove the R90/R99/R94/R97 from the board, or the