Kodak DirectView CR 825 Diagnostics Manual page 173

DIAGNOSTICS
10DEC05
PMT/DAS BOARD A5
DG4825-1
Page
173 of 180
H194_0015BC
Table 21 Test Points on the PMT/DAS BOARD A5
TP
1
2
3
4
5
6
7
8
TP23
TP17
TP19 TP18 TP16
TP15
TP10
TP8
TP7
TP6 TP5
Name
DGND Digital ground
24 V +24 V DC power into the
BOARD
5 V_Startup Circuit for the CLOCK
DGND Digital ground
–13.5 V DC_A Negative output of the DC TO
DC CONVERTER
–13.5 V DC_A Positive output of the DC TO
DC CONVERTER
DGND Digital ground
5 V DC_D Digital +5 V DC POWER
SUPPLY
Top
TP22
TP21
TP13
TP24
TP26
TP3
P1
TP4 TP2
Bottom
Description
Test Points and LEDs
TP20
TP14
TP12
TP25
TP1
Expected Signal
0.0 V DC
22.2 - 25.5 V DC
4.85 - 5.00 V DC
0.0 V DC
–13.5 - 15.0 V DC
–13.5 - 15.0 V DC
0.0 V DC
4.8 - 5.2 V DC
TP11
TP9
P3
P2