Circuit Diagrams; Introduction; Notes - HP 11180A Operating And Service Manual

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Model l l l 80A Section VII
SECTION VII
CIRCUIT DIAGRAMS
7-1. INTRODUCTION. b. Component values are shown as follows unless
otherwise noted:
7-2. This section contains the schematic diagrams of the
two l l l 80A assemblies and eight signal flow diagrams
illustrating subcircuit operation.
Capacitance in µF
Resistance in ohms
Inductance in µH
7-3. NOTES
c.
*
Average value shown. Optimum value selected at
factory.
d. - - - - Denotes assembly
a .. Partial reference designators are shown within
assembly outlines. Prefix these with assembly number for
complete designator.
e. - - - - - Heavy line denotes
main signal path.
REFERENCE DESIGNATIONS
ASSEMBLY ASSEMBLY
REFERENCE ASSEMBLY PART NUMBER
DESIGNATION NAME (INCLUDES A2A/ SUBASSEMBLY)
r--"---,
~ ~
JACK XA2 IS MOUNTED ON
A2
POWER SUPPLY (OOXXX-66501)
PLUG Pl IS MOUNTED ON ASSEMBLY OR IS PART
CHASSIS OR ANOTHER ASSEMBLY~
/ V OF THE ASSEMBLY BOARD (COMPLETE DESIGNATOR IS A2PI)
~
2 t--p'---.
: , I
Pl
IS
NOT MOUNTED
ON A2 ASSEMBLY :
(COMPLETE DESIGNATOR IS Pl) •
R3
TEST
VOLTAGE~
+2.92V
QI
I
DENOTES SIGNAL
I
CONNECTION
"'\ l
I
,.,.,,-vCOMPLETE DESIGNATOR IS A2R4
R4
SUBASSEMBLY OF A2
--4<
~<-+!'--........_. : (
4
~--'
-1< ~
I
~NUMBER
INDICATES
,-v(COMPLETE DESIGNATOR IS A2A/)
1'----P1~3~2
I
DENOTES S£EMATIC
ON WHICH CONNECTION
I
/S MADE
PIN OF XA2 AND Pl
I
~ IB
WIRE COLOR : COLOR COD?, THE SAME
I
~
AS THE RESISTOR COLOR CODE . FIRST EYELET OR STAND-
NUMBER INDICATES BASE COLOR SECOND
I
OFF TERMINAL, MAY OR
NUMBER INDENT/FIES WIDER STRIP, AND
I
MAY NOT BE NUMBERED
THE THIRD INDICATES THE NARROWER
I
L(f9"
A>'
STRIP.
(~DENOTES WHTIREDIYEL WIRE)
I ,/;
8
Al
fPHOTO:CHOPPER
osc-1
I I
I
RI R2
I
I
~
I
I COMPLETE
I
DESIGNATOR
/S A2A/RI
I I
6
>I
,g
M,/ILE STANDa5{;
~FEMALE
PIN
PIN CONNECTOR CONNECTOR ON
MAY OR MAY
....rtI:
A WHT/ RED WIRE
NOT BE NUMBERED
,,rJW-/
~('.j....-'
rL
PARTIAL REFERENCE DESIGNATIONS ARE SHOWN: PREFIX WITH ASSEMBLY OR SUBASSEMBLY
DESIGNATION(S) OR BOTH FOR COMPl:..ETE DESIGNATION
STO-B- 2 192
7-1