Kodak DirectView CR 850 - Page 164

DIAGNOSTICS Test Points and LEDs
10DEC05
DG4825-1
Page
164 of 180
Table 12 Test Points on the MOTION SYSTEM CONTROL BOARD A1
TP Description Expected Signal
1 Ground 0 V DC
2 Output of the + 5 V DC REGULATOR 4.9 - 5.1 V DC
3 +24 V DC after the FILTER for the
accessory + 5 V DC REGULATOR
22.5 - 25.5 V DC
4 Output of accessory + 5 V DC
REGULATOR
4.8 - 5.1 V DC
5 Accessory + 5 V DC after the FILTER 4.8 - 5.1 V DC
6 A/D CONVERTER CHANNEL 7 A/D CONVERTER CHANNEL 7
7 +24 V DC power 22.5 - 25.5 V DC
8 +12 V DC supply for DAC and Vref 11.5 - 12.5 V DC
9 +24 V DC after FERRITE FILTER, but
before FILTER P1 for + 5 V DC
REGULATOR
22.5 - 25.5 V DC
10 +24 V DC after FILTER for + 5 V DC
REGULATOR
22.5 - 25.5 V DC
12 Ground Ground
13 +24 V DC power input voltage • 1.43 V DC when the input power is
+24 V DC.
• 1.25 V DC if the input power
decreases to +21 V DC. A “Power
Interrupt” signal is sent to the CPU.