Power Supply - Fuji Electric ZPA Service Manual

(9) Power supply

Recommended period of replacement : 5 years
Error mode
Phenomena
Check
Measures
Replacement
Check after replacement :
TN5A1191-E
: Power-down
: No display and no output
: Check if short circuit occurs.
Disconnect the secondary SW power connector. Turn ON the power and check the voltage
at the connector. If no voltage is applied to it, replace.
: Replace the power supply
: Turn OFF the analyzer power. Disconnect the cable from the Main board and replace it
with a new one.
Check the power supply voltage on the Main board.
ZWS50BAF-24 (common for ZPA, ZPB & ZPG)
5
3
N
入力
1
L
CN1
Pin
1
2
3
4
LFA10F-12 (only for ZPB & ZPG)
Pin
1
2
部品面
電圧調整
VR51
Symbol Voltage
– Ground
– Ground
+ +24V
+ +24V
Voltage
Ground
+12V
CN51
-
1
2
出力
3
+
4
17