HEIDENHAIN TNC151B - Page 19

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DR JOHANNES HEIDENHAIN GmbH
D-8225 Traunreut .Tel. (08669) 31-O
SERVICE MANUAL TNC 151/155
Page 15.1
Kundendienst
Section 2.2.4
Test Data: New Power Supply Board (230 802 ..) for TNC 155 only!
The diagram opposite and the table below show the locations of
the test points (solder terminals) on the new Power Supply
Board 230 802 .., and the respective nominal and actual test
voltages under load. Previous 'INC 155 Controls may be fitted
with Power Supply Board 227 601 . . (as used in the TNC 145/150/151).
Test points on the Power Supply Board 230 802 . .
Plug and solder terminal signal designation
* not used with TNC 151
Pbww SupplY,~
C5nnector Assembly
I’
I I
56
7 6
13