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4 Description of Modules
ECO 9085 SOP05-5038F Rev.05 Effective Date: 12/06/18 Page 48 of 81
4.3.1.
CPU Board
Power Circuits
Power is supplied to this circuit board through connector JP3 from the power supply
assembly. Check points are provided to measure supply voltages. The following list
identifies the check points.
TEST POINT
VOLTAGE
TEST POINT
VOLTAGE
TP1
+12 VDC
TP2
-12 VDC
TP3
+24 VDC
TP4
2.5 VREF
TP5
2.5 V REF
TP6
PVCC
TP7
SAMPLE IN
TP8
+5 VDC
TP9
TEMP OUT
TP10
REF OUT
TP11
Cl
-
/Ca
+
/Li OUT
TP12
K OUT
TP13
Na OUT
TP14
NOT USED
TP15
NOT USED
TP16
2.045 VDC
TP17
NOT USED
TP18
-VREF
TP19
-1.2 V REF
TP20
+2.5 VA
TP21
-2.5 VA
TP22
3.3 VDC
TP23
10 V REF
TP24
DGND
TP25
AGND
Moreover, light emitting diodes Dl through D5 located at the bottom of the CPU board
also provides indicators that each supply voltage is present on the board. Since each LED
is connected in series after the fuse, a blown fuse results in the respective LED off. The
following list identifies the fuses and LEDs for each respective DC supply voltage:
FUSE
LED
F1
D1
F2
D2
F3
D3
F4
D4
F5
D5
Summary of Contents for SmartLyte
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