HP 8340A Service Manual page 310

MNEMONIC DESCRIPTION TYPE LEVELS
ADRO INSTRUMENT 1/0 ADDRESS BUS DIGITAL
BIT 0 TIL XA60P1 ·17
ADR1 INSTRUMENT 1/0 ADDRESS BUS BIT 1 DIGITAL TIL XA60P1-73
ADR2
INSTRUMENT 1/0 ADDRESS BUS BIT 2 DIGITAL TIL XA60P1·18
ADR3 INSTRUMENT 1/0 ADDRESS Bus DIGITAL TTL
BIT 3 XA60P1-74
ADR4 INSTRUMENT 1/0 ADDRESS BUS BIT 4 DIGITAL TIL XA60P1·19
AM IN
AMPLITUDE MODULATION INPUT ANALOG ±IV MAX. A62J15 CENTER
AM RTN
AMPLITUDE MODULATION GROUND RETURN GROUND ov A62J15 SHIELD NOTE 10
ATN IEEE 488 ATTENTION (ATN) DIGITAL TIL XA60P1·8
ATNAT1 ATTENUATOR ATTENUATION CARD 1
DIGITAL OPEN COLLECTOR XA24P1-30
ATNAT2 ATTENUATOR ATTENUATION CARD 2 DIGITAL OPEN COLLECTOR
XA24P1·29
ATNAT3 ATTENUATOR ATTENUATION CARD 3 DIGITAL OPEN COLLECTOR XA24P1-28
ATNAT4 ATTENUATOR ATTENUATION CARD 4
DIGITAL OPEN COLLECTOR XA24P1·27
ATN COIL ATTENUATOR SOLENOID COILS SUPPLY POWER SUPPLY +5V
XA24P1 ·7
ATNTH1 ATTENUATOR THROUGH CARD 1 DIGITAL OPEN COLLECTOR XA24P1-12
ATNTH2
ATTENUATOR THROUGH CARD 2 DIGITAL OPEN COLLECTOR XA24P1·11
ATNTH3 ATTENUATOR THROUGH CARD 3 DIGITAL
OPEN COLLECTOR XA24P1·10
ATNTH4 ATTENUATOR THROUGH CARD 4 DIGITAL OPEN COLLECTOR XA24P1·9
BUFFERED 0-10V SWEEP RAMP
BVSWP ANALOG lOV/SWEEP XAS8P1-40
DAV IEEE 488 DATA VALID (DAV)
DIGITAL TTL XA60P1·6
080 INSTRUMENT t/0 DATA BUS BIT 0 DIGITAL TIL
XA60P1-20; NOTE 9
DB1 INSTRUMENT 1/0 DATA BUS BIT 1 DIGITAL TTL XA60P1-76; NOTE 9
OB2 INSTRUMENT 1/0 DATA BUS BIT 2
DIGITAL TTL XA60P1 ·21: NOTE 9
DB3 INSTRUMENT 1/0 DATA BUS BIT 3 DIGITAL TTL
XA60P1·77; NOTE 9
DB4 INSTRUMENT 1/0 DATA BUS BIT 4 DIGITAL TIL XA60P1 ·22: NOTE 9
DB5 INSTRUMENT 1/0 DATA BUS BIT 5
DIGITAL TIL XA60P1 ·78; NOTE 9
DB6 INSTRUMENT 1/0 DATA BUS BIT 6 DIGITAL TIL
XA60P1-23; NOTE 9
087 INSTRUMENT 1/0 DATA BUS BIT 7 DIGITAL TIL XABOP1-79 NOTE 9
OBB INSTRUMENT 1/0 DATA BUS BIT 8
DIGITAL TTL XA60P1 ·24; NOTE 9
DB9 INSTRUMENT 1/0 DATA BUS BIT 9 DIGITAL TIL
XA60P1-80; NOTE 9
DB10 INSTRUMENT 1/0 DATA BUS BIT 10
DIGITAL TTL XA60P1-25; NOTE 9
DB11 INSTRUMENT 1/0 DATA BUS BIT 11 DIGITAL TIL
XA60P1-81: NOTE 9
0812 INSTRUMENT 1/0 DATA BUS BIT 12
DIGITAL TIL XA60P1 ·26; NOTE 9
DB13 INSTRUMENT 1/0 DATA BUS BIT 13 DIGITAL
TIL XA60P1-B2: NOTE 9
0814 INSTRUMENT 1/0 DATA BUS BIT 14 DIGITAL TIL XA60P1-27: NOTE 9
DB15 INSTRUMENT 1/0 DATA BUS BIT 15
DIGITAL TIL XA60P1-83: NOTE 9
DETLVL DETECTED LEVEL INPUT TO A.D.C
ANALOG 0.2V/dB, OV-·OdB XA25P1 -33
DETOUT DETECTED LEVEL INPUT TO LINEAR MOD BOARD ANALOG -.03V/d8, OV=OdB XA25P1 ·32
DETECTOR SAMPLE/HOLD CONTROL
DIGITAL XA21 P1 ·3
DET S/H- DETECTOR SAMPLE/HOLD CONTROL
DIGITAL +J.5V/+4.5V XA21P1-21
DIV N2 500 KHZ DIVIDED OUTPUT FROM PLL2 DIVIDER DIGITAL TIL ILOW TRUE)
XA42P1-27
DI01 IEEE 488 1/0 DATA BUS BIT 1 DIGITAL TIL XA60P1-57
0102 IEEE 488 1/0 DATA BUS BIT 2
DIGITAL TIL XA60P1-68
DI03 IEEE 488 l/O DATA BUS BIT 3 DIGITAL
TIL XA60P1-59
DI04 IEEE 488 1/0 DATA BUS BIT 4 DIGITAL TIL XA60P1·60
0105 IEEE 488 1/0 DATA BUS BIT 5
DIGITAL TIL XA60P1-61
0106 IEEE 488 1/0 DATA BUS BIT 6
DIGITAL TIL XA60P1·62
DI07 IEEE 488 1/0 DATA BUS BIT 7 DIGITAL TTL XA60P1-63
0108 IEEE 488 1/0 DATA BUS BIT 8
DIGITAL TIL XA60P1-64
EOI IEEE 488 END OR IDENTIFY (EDI)
DIGITAL TIL XA60P1-7
E;XDET EXTERNAL DETECTOR INPUT A A OG A62J16 CENTER
N L 0.5MV-2V
EX DETR EXTERNAL DETECTOR INPUT GROUND RETURN GROUND A62J16
ov
REF
M/N 20/30 LOOP
LOOP
SOURCE
- - - - - - - -
n:
a.. a.. a.. a.. a.. a.. a.. a..
-
.. ... "" lD "' "1 N "'
lD
..
� � � � � � � �
\Ii
1
1 21 21
19 3 3
2 22 22
4
20 4
3 23 23
21 5 5
4 24
22 6 6
THAU R7 5 25
TO PIN 2
23 7 7
THAU RB
TO PIN 17
THAU R9 7 26 26
TO PIN 3
THAU R10 25 B B
TO PIN 18
19 27
SHIELD; NOTE 10
SWEEP GENERATOR
RF SECTION
Y/O LOOP CONTROLLER
- - - - "' - -
- - - -
iL n:
a.. n: a.. a.. a.. a.. a.. a.. a.. a.. a..
!!:; �
"' "1 - N "' w .. tn "' ""
... tn "' ""
....
� � � � �� � � �
� � � �
17 17 17 17 9
73 "
1B 10
1B 1B 18
74
11
19 19 19 19
19
41
8 •
30
29
2B
27
7
12
11
10
9
40
6
20 20 20 20 1 0 9 15 22
10 76 76 76 76 11 27
21 10 16
29 21 21 21
11 77 77 2B 38
12 17
30 22 22 22 22 11
7B 13 29 55
12 7B 7B
31 23 23 23 14 12 26
16 40
13 79 30
13 26
32 24 24 24 24 31
14 BO BO BO BO 31 14
14 15 27
26 25 25 25
15 B1 B1 B1 B1 32 5B
16
34 26 26 26 26
16 82 B2 B2 B2 34
27 27 27
B3
17 B3 B3 BJ
29
10
32
3 2
21 24
57
58
5B
69
BO 60
61
61
62 62
63 93
64
64
7 7
44
Scans by HB9HCA and HB9FSX
POWER SUPPLIES
Tl
MISCELLANEOUS A62 MOTHERBOARD
A62 MOTHERBOARD WIRE COAX CONNECTORS
- - - - - -
a.. a.. a.. COLORS J4-J6 JB-Jl7,J21-J28
a.. a.. a.. CONNECTORS
"' "' tn {\J "' Ul
�
� � � �
A62J1 PIN 23
A62J1 PIN 24
A62J1 PIN 25
A62J1 PIN 26
A62J1 PIN 27
A62J15 - SMC CENTER
A62J15 - SMC SHIELD AND
GUARD TRACE AROUND AM IN
A62J7 PIN 21
A62J20 PIN 2
A62J20 PIN 9
A62J20 PIN 5
A62J20 PIN 10
A62J20 PIN 6
A62J20 PIN 13
A62J20 PIN 3
A62J20 PIN 11
A62J20 PIN 4
A62J7 PIN 11
11 A62J1 Pl N 3
A62J1 PIN 4
34
A62J1 PIN 5
12
A62J1 PIN 6
A62J1 PIN 7
13
A62J1 PIN 8
36
14 A62J1 PIN 9
A62J1 PIN 10
A62J1 Pl N 11
16
3B A62J1 Pl N 12
A62J1 PIN 13
16
A62J1 PIN 14
A62J1 PIN 15
A62J1 PIN 16
A62J1 PIN 17
A62J1 PIN 1 B
A62J7 PIN 1
A62J7 PIN 3
A62J7 PIN 5
A62J7 PIN 7
A62J7 PIN 2
A62J7 PIN 4
A62J7 PIN 6
A62J7 PIN 8
A62J7 PIN 9
A62J16
·SMC
A62J16 ·SMC SHIELD AND
GUARD TRACE AROUND EXDET
Refer to Table SE-1. . .
Table 8£-1. Motherboard Wirini T.isr (I of 7)
GROUNDS AND
A62 MOTHERBOARD
MNEMONICS
COMPONENTS GROUND PLANES
ADRO
ADR1
ADR2
ADR3
ADA4
AM IN
AM RTN
ATN
ATNAT1
ATNAT2
.
ATNAT3
ATNAT4
ATN COIL+
ATNTH1
ATNTH2
ATNTHJ
ATNTH4
BVSWP
DAV
080
DB1
082
DB3
DB4
DB6
DB6
OB7
DBB
DB9
D 810
0811
DB12
DB13
DB14
DB15
DETLVL
DETOUT
DET S/H+
DET S/H-
DIV N2
0101
0102
0103
0104
0105
0106
D[07
0108
EOI
EXDET
CENTER
EXDETR
8 401/ - 8-40 2