HP 8340B Manual page 220

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
"'"i
XA19-10, 22,
XA21-8,26,
XA22-59,
69,23s, 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 )7, 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
TheA61 board assembly
is
not included with the HP
8340B/41B
Traces connected to XA61
are included
in
this wiring list to keep
signal destinations complete.
HP 8340B/41B
Change
5
Motherboard Wiring List