Voltronic Axpert VM IV - Page 13

11
CE: 8k
Diode
BE: 0.65V
BC: 1.5V
CE: 0.28V
The Q52and Q56 are (2SD1624 2A 50V NPN SOT-89)
The Q53and Q57 are (2SA1020 3A 50V PNP SOT-89)
Parts
Attribute
Reference values
Failure status
Q52/Q56
Resistor
BE: 12k
BC: 280k
CE: OL
Short or explosion
Diode
BE: 0.64V
BC: 0.64V
CE: OL
Q53/Q57
Resistor
BE: 12k
BC: OL
CE: 280k
Short or explosion