Installation guide
Troubleshooting
Troubleshooting Assembly Level Problems
1-56
Self-Tests 15xx
for the A9 Digital Demodulator (Option 501, 502, 503, 504 with Option 300)
Figure 1-21
Table 1-28
Power
Supply
Voltage
(Vdc)
Connector Pins on the
A23 Motherboard
Minimum
Value (Vdc)
Maximum
Value (Vdc)
Origin
+15 J12-28 +14.55 +15.45 Main Supply
−15 J12-3 −15.45 −14.55 Main Supply
−5.2 J12-1, 26 −5.356 −5.044 Main Supply
+5.2 J12-2, 27 +5.044 +5.356 Main Supply
+5.2 VD J2-64, 65 +5.044 +5.356 Main Supply
+3.4 VD J2-60, 61, 62, 63 +3.298 +3.502 Main Supply
+2.6 VD J2-57, 58, 59 +2.425 +2.575
A23
Motherboard