I 2 C Bus; Lcd/Display Module; Figure 5-16. Location Of Dc Power Test Points On Relay Pca; Table 5-8. Dc Power Supply Acceptable Levels - Teledyne T200 User Manual

Figure 5-16. Location of DC Power Test Points on Relay PCA

Table 5-8. DC Power Supply Acceptable Levels

POWER
SUPPLY
PS1
PS1
PS1
PS1
PS1
PS2
PS2
I 2 C BUS
Verify operation of the I
PCA's D1 and the Valve Driver PCA's D2. If both are solid lit or are not on, and the DC
power supplies are operating properly, there is a problem with the I

LCD/DISPLAY MODULE

Assuming that there are no wiring problems and that the DC power supplies are operating
properly, the display screen should light and show the splash screen and other indications
of its state as the CPU goes through its initialization process.
083730200A DCN7962
TP1 TP2 TP3 TP4 TP5
DGND +5V AGND +15V -15V +12R 12V
CHECK RELAY BOARD TEST
VOLTAGE
FROM
Test Point
NAME
+5 DGND
+15 AGND
-15 AGND
AGND AGND
Chassis DGND
+12 +12V Ret
DGND +12V Ret
C bus by checking whether the LEDs are flashing at the Relay
2
Teledyne API T200 NO/NO
TP6 TP7
POINTS
TO
Test Point
# NAME #
1 +5 2
3 +15 4
3 -15V 5
3 DGND 1
1 Chassis N/A
6 +12V 7
6 DGND 1
/NO Analyzer with NumaView™ Software
2 x
MIN V MAX V
+4.85 +5.25
+13.5 +16.0
-13.5 -16.0
-0.05 +0.05
-0.05 +0.05
+11.8 +12.5
-0.05 +0.05
2 C bus.
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