A6/A7 Test Points
The test points in Table 4-5 can be checked for the correct signals on the A4 CPU board:
Test Point Description
TP1 Reference Common
TP2 +10 V Reference
TP3 Output of the analog DAC
TP4 Analog output as seen on the rear panel connection
TP5 Output of the 2nd sample and hold
TP6 +5 V
TP7 5 V Common
TP8 -5 V
TP9 +15 V
TP10 -15 V
TP11 15 V Common
TP12 Can be used as scope trigger
TP13 0 Vdc adjust readout point
Table 4-5. A6/A7 Analog Test Points
Theory of Operation
Manual No. 20790, Rev C, November 1998
4-23
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