HP 8112A Operating, Programming And Servicing Manual page 217

Control Mode Selection
Table 1 0.3-6. Address Decoder Signatures
Connector Mnemonic
A3W4
LA3
LA4
LA5
WSl
WS2 LRC
RSA
7. Check the signature of address decoder outputs against those
given in Table 1 0 .3-7
Table 10.3-7. Address Decoder Signatures
UlOO Mnemonic
Pin
7 SRC
10 PIC
1 1 CLR
12 MAMO
13
WIC
14 DIC
Check the control-mode selection signals from control-latch
against Table 1 0.3-8 and Table 1 0.3-9:
Table 1 0.3-8. Mode Decoder check table
Mode
Ext. Input Slope Switch UlOl pin
TRIG + f and,or
GATE + f or
E.WID + f or
E.BUR
Description
Sub coded address
Sub coded address
Sub coded address
Enable address decoder
Data load signal for U500 PU99
see chapter 10-4
Error feedback gate signal 9H1P
Description
Slope range decoder load signal 273U
Period input store select
Error feedback reset
Mode decoder data load signal 8PHH
Width input store select
Delay input store select
"\.
"\.
"\.
and,or
Servicing the Timing and 1 0.3-15
Free run Area
S.A.
P50H U l00/1
CH9U Ul00/2
8759 Ul00/3
1P50 U l00/4
U500/1 1
U 142/1
Free run Area
S.A.
U300/ll
U859
U200/10
P54U U 142/12
UlOl/11
C lOF
U240/ 10
3813 U220/ 10
U l O l
12 Relay
KlOO
Low
On
Low On
Low
On
Low
On
Slope Generators