Selco Genesis 200 AC-DC Repair Manual page 27

9.4.2) SECONDARY POWER UNIT G 200 TLH (fig. 25)
This unit handles secondary power rectifying.
WARNING!: Before commencing the measurements described, make sure the HF board is disconnected from the bus
board!
Power source / Mode Test point
OFF V 1
OFF V 3
ON / MMA V out
- V 1 2 and V 3 2 must be measured once connector CN1 is discon-
nected from output filter board 15.14.238
REMEMBER TO RECONNECT CN1 ONCE YOU HAVE TAKEN THE MEASURE-
MENT!
- Vout = power source's open circuit voltage OCV
Description of boards
Unless otherwise specified, all measurements sholud be taken with the boards in their slots and connected accordingly
Value
2 +0.3 Vdc
2 +0.3 Vdc
+52 Vdc
WARNING!
1) Components sensitive to electrostatic discharges.
2) Torque wrench settings:
FASTENING ON HEAT SINK = MAX 1.5 Nx m / 13 lb x in
BOARD FASTENING
3) Use layer of thermal grease
= MAX 1.5 Nx m / 13 lb x in
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