HP 8340B Manual page 499

Table
E-l.
Motherboard Wiring List
Mnemonic Source
Destination
EXT TRIG A62J31-4.22 XA57-106
FAN1
FAN2
FANS
FAN4
A62K1-7
A62K1-10
A62P2
(SOLDER PAD)
A62P1
(SOLDER PAD)
A62J30-3
A62J30-1
A62K1-5
A62K1-14, A62XA35
FMOUT XA23-16
THRU A62J24 SMC CENTER TO A44J3
FM DRVR SHIELD
XA23-34
A62J24 SMC SHIELD
FM INPUT
XA23-18
A62J17 SMC CENTER
FM SHIELD
XA23-17
A62J17 SMC SHIELD
FPNLSWP
FPNLSWP RTN
XA57-43
XA57-99
A62J9 SMC CENTER
GUARD TRACE AROUND FPNLSWP, A62J9 SMC SHIELD
GND NOTES c,<r,i
XA19-10, 22, XA21-8, 26, XA22-5,
6, 23, 24a, XA23-8, 26, XA24-8, XA25-9, 10,
31, XA26-6,28, XA27-6, 37, XA28-6, 28, XA34P2-10,11, XA35-4, 22, XA36-1,
5,
6, 7,
8,10,11,14, 16,19,
20, 21, 22, 26, 29,
XA37-6, 9,10,13
THRU 17, 24, 27
THRU
35, XA38-1
THRU 11, 14 THRU
26, 29, 30,
XA39-2 THRU 11, 13,
14,
17
THRU
26,28, 29,
XA40-2THRU
6,10,14,17,21,25,29, XA41-1,3,6,10,11,14,
16,18,
21, 22, 25, 26, 29, XA42-10, 17, 20, 28, 35,
XA43-11,12,13,14,17,
27,
29,35, XA52-19,43, XA53-14,15,16, 33,
34,35,
XA54-5, 23, XA55-5,
6,
20, 21,
XA56-5, 20,
A62J2-2, 19, A62J3-2,
4,
A62J23 SHIELD,
A62C2(-), A62C3(-),
A62C5,
A62C6(-), A62C7(-),
A62R3, A62R14, CHASSIS, A62DS1 CATHODE M/
N ASSY GND PLANE, T1 WHITE WIRE, ALL GROUNDS CONNECT TO THE 20/30
CASTING GND PLANE GROUNDED TO THE CHASSIS BY THE CASTING AND TO
STAR GROUND
GND HPIB
GND PLANE
CONNECTED TO
REAR PANEL
GND"
A62J7-12,
14, 16, 18, 20, 22, 23, 24
(NO
CONNECTION
-
THESE ARE
GROUNDED AT THE REAR
PANEL)
XA22-14, 32a, XA23-6, 24, XA24-26,
XA27-7,19,38,
50, XA57-1, 29, 30, 31, 34,
40,55, 56,70,
71, 72,
75,84,85,86,89,110, XA58-1,
34,44,45,
46,
55, 56,
70,
71, 75, 89,
99, 101, 55, 110, XA59-1, 40
THRU 44,
55, 56, 75, 96, 97, 110,
XA60-1,40 THRU 44, 55,
56, 70, 71, 72, 75,
96 THRU 100,110, XA61-1,
34, 40,
41,42,43,44,
55, 56,
70,
71, 72, 75, 89, 96, 97, 98,
99,100,110',
A62J1-1, 21,
29,38,39,40,41,46,48,50,
A62J20-1.A62J31-12,35,
A62J35-10, A62J19-1,9,
GND PLANE NEAR RF SECTION
M/N
assembly ground plane
connected to Star Ground
through W45.
20/30
loops
casting.
Star Ground connected
to A47W3,
and also to the
M/N
assembly ground plane through W45
Ground
Is connected to the chassis
Reserved for future expansion-
Ground Plane is located near the RF
Section
The A61 board assembly
is
not included with the HP 8340B Traces
connected to
XA61
are
included
in
this wiring list to keep
signal destinations complete.
HP 8340B/41B
Motherboard Wiring List