Theory of Operation
2715 Spectrum Analyzer Service Manual 3-73
Table3 -23: Pinout for the Microprocessor Board Test
Connector (J150) (Cont.)
Pin No. Pin Name
19B ALE
20B GND
Table3 -24: Pinout for the 50 Pin Connector (J550)
Between the Microprocessor, DisplayStor age,and
Digital Options Boards
Pin No. PinNam e Pin No. Pin Name
1GND 26 BA12
2BPCLK 27 BMT--
3GND 28 BA11
4BRD-- 29 BUSDIS--
5+5 V 30 BA10
6BWR-- 31 ALE
7+5 V 32 BA9
8BIO/M-- 33 IR4
9BRST-- 34 BA8
10 BWAIT-- 35 IR5
11 BD7 36 BA7
12 BA19 37 IR6
13 BD6 38 BA6
14 BA18 39 VPROG
15 BD5 40 BA5
16 BA17 41 ROMVCC
17 BD4 42 BA4
18 BA16 43 +5 V
19 BD3 44 BA3
20 BA15 45 +5 V
21 BD2 46 BA2
22 BA14 47 GND
23 BD1 48 BA1
24 BA13 49 GND
25 BD0 50 BA0