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维修手册
专案名称:
Axpert VM III-5000/VM III-3000
专案编号:
S1711171
修订版次:
00
PAGE
V-RDP-004-73 A
values
D53
1
Diode
+ to -: 0.52V
- to +: OL
Short or explosion
R67
Resistor 10 ohm
Open or other
values
D3
Diode
+ to -: 0.4V
- to +: 0.7V
Short or explosion
D49/D57
Diode
+ to -: 0.45V
- to +: OL
Short or explosion
U7
Diode
PINI to PINO: 0.56V
PINO to PING: 0.44V
PINI to PING: 0.45V
Short or explosion
U10
Diode
PINA TO PINI: 0.45V
PINA TO PINO: 0.5V
Short or explosion
TX4
Resistor PIN1 TO PIN3: 0.4 ohm
Short or other
values
Note1:
When test the D53; please remove the R67 from the board, otherwise the test result
is not right
2.6 Check AC SPS
The F7 are (FUSE 3A 125V)
The NTC4 are (NTC 10 OHM 3.0A)
The REC3 are (GBU4M 4A 1000V UFST)
The D83 are (RHRP8120 8A 1200V)
The Q20 are (IRFBG30 3.1A 1000V)
The Q19 are (2SC5353BL 3A 750V)
The U23 are (IC PWM UC3845BNG DIP-8)
The TX12 are (TX 26:4:42:27 FER EC28)
The C176 are (33uF 450V)