HP 8340b - Page 515

Table
E-l.
Motherboard Wiring
List
Mnemonic
Source
Destination
+12V
+12VUNREG
+12VU1ADJ
XA52-9.33
XA52-11.35
XA52-10
XA23-2.20,
XA57-91,
XA58-91, XA59-91, XA60-91, XA61-91', A62J1-2,
A62CR3
CATHODE, A62U1 CASE
A62U1-1,A62C7(+)
A62C6(+),
A62CR3
ANODE,
THRU A62R4
TO
GND,
A62U1-2
+20V XA52-16.40
XA21-4.22,
XA22-1.19B, XA23-1.19, XA24-1, XA25-5.27,
XA26-3,
XA27-2.33,
XA28-1.23,
XA34P2-2.3,
THRU
A62L2
TO
XA36-13.28,
THRU
A62L5
TO
XA38-13.28,
XA40-13,28,
XA41-13.28, XA42-16.34, XA43-16.34,
XA52-16.40
(+20V
SENSE
POINT),
XA53-29,
XA54-1,
XA55-1.16,
XA57-35,90, XA58-35.90,
XA59-35.90, XA60-35.90,
XA61-35',
A62J2-9.12,
A62J18-6,
A62J19-2,10
+20VAC1
+20V
AC2
+20V
REF OSC
+20VUNREG
A62
LUG
2
A62
LUG
2
XA52-20
XA35-7.25
XA19-1,13,
T1 RED WIRE
XA19-2.14,
T1
RED
WIRE
A62J3-1
XA19-9,21,
XA52-23,24,47,48
+22V
-
25
V/GHZ
-5.2V
-7V
REF
-10V
-10VAC1
XA35-18.36
XA28-40
XA53-18.36
XA43-9
XA53-12,13,31,32
A62
LUG 6
XA60-88, XA61-90',
A62CR2
CATHODE,
A62J1-30,
A62J3-5,
A62K1-2
XA25-38,
XA27-51
XA23-4,
XA27-1.32,
XA34P2-12.13,
XA52-22, XA57-93, XA58-93,
XA59-93,
XA60-93, XA61-93', A62J1-42.
A62J2-1.20,
A62J19-4.12
XA41-7
XA21-7.25,
XA22-4.22B,
XA23-5.23,
XA24-5,
XA25-7.29,
XA26-5.27, XA27-4.35,
XA28-3.25, XA34P2-8.9,
THRU A62L8
TO
XA36-12.27,
THRU
A62L4
TO
XA38-12.27,
THRU
A62L6
TO
XA39-12.27,
XA40-12.27, XA41-12.27,
XA42-)5,33,
XA43-15.33, XA54-4,22, XA55-4.19, XA56-4.19, XA57-39.94,
XA58-39.94,
XA59-39.94,
XA60-39.94, XA61-39,94',
A62
J2-10,11,
A62J18-7,
A62J19-5.13
XA19-3,4,15,16,
T1 BLUE WIRE
-10V
AC2
A62
LUG
6
XA19-5,6,17,18,
T1
BLUE
WIRE
-10VRTN
XA53-2.20
XA19-7,8,19,20,
A62Q1 COLLECTOR
-10VUNREG
XA19-11,12,23,24
XA53-9,10,27,28
«
Reserved
for
future
expansion
•
The A61
board
assembly Is not included
with
the
HP
8340B.
Traces
connected to
XA61
are
included In this
wiring
list
to keep
finnfil
rtjiri+init+mrm
nj-kmnlji+n
signal destinations
complete
HP
8340B/41B
Motherboard
Wihng
List