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Page Title:
Table 3-5. Power Supply CCA A1 Test Point Signals |
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 TM 32-5865-216-24&P
If the regulated +5 V rises to approximately +6 V, comparators Q3 and
Q4 conduct and Q2 triggers to clamp the output of T1-2 to ground.
Power Supply CCA A1 Test Point Signals
Test point
Signal
I
TP1
28 V (switched at 33 KHz)
+4.4 v
TP2
+15 v
TP3
TP4
-5 v
+5 v
TP5
+28 V
TP6
EXTENDER CCA A5.
The extender CCA is installed in slot XA5 of motherboard A7 and
contains test points for access to critical tunable coupler signals
and voltages. Table 3-6 lists the signal accessed from each extender
The extender CCA can also be used to extend CCA A1
CCA test point.
through A4 for CCA testing.
Extender CCA A5 Test Point Signals
Signal
Signal Origin
Test point
Motor Control CCA A2
B2 HIGH
1
Decoder CCA A4
READY
2
B2
Motor Control CCA, A2
3
RF SENSE
Control Logic CCA A3
4
Motor Control CCA A2
MTR FLYBACK
5
+28 V
Power Supply CCA A1
6
Motor Control CCA A2
A1
7
8
TDL
Decoder CCA A4
9
RESET
Decoder CCA A4
10
Motor Control CCA A2
A2
11
B1 HIGH
Motor Control CCA A2
12
13
B LOW
Motor Control CCA A2
14
15
16
Motor Control CCA A2
B1
17
Decoder CCA A4
ANT DEPL
18
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