HEIDENHAIN TNC 306 Service Manual - Manual (Page 38)

SERVICE MANUAL TNC 306/360
Page 34
HEIDENHAIN Service
8.4.2 Measuring Points on the Power Supply Board
(for Power Supply Units without Connector X2)
Voltage Value Table
Measuring
Point on the
Power
Supply
Board Reference
Point on the
Power
Supply
Board Output UNOM [V] UMIN [V] UMAX [V] INOM [A]
LH 22
LH 20
LH 18
LH 14
LH 10
LH 2
LH1
LH24
LH 24
LH 24
LH 24
LH 24
LH4
LH3
+ 5V (UP)
+ 12V
+ 15V
- 15V
UBATT
+ 12V BE
+ 5V* 1 1)
+5.05
+ 12
+ 15.0
- 15.0
+ 4.5
+ 12.3
+ 5
+ 5.00
+ 11.4
+ 14.4
- 14.4
+ 3.9
+ 12
+4.75
+ 5.10
+ 12.6
+ 15.6
- 15.6
-
+ 12.6
+ 5.25
2.5
0.1
0.15
0.08
ca. 20 µA
1.3
0.3
1) potential-free
reset ULmax = 0.4V, UHmin = 3.9V