HP 7475a Service Manual

Section IV
Model 7475A
Table 4-1. Parts List, Main PCA, RS-232-C, Option 001 (Continued)
Reference HP Part
c
Oty
Description
Mfr
Mfr Part Number
Designation Number
D
Code
Al St
:1101···2655
4
I SWITCH··SL 9-tA
lHP-·SLIDE ··ASSY
. IA 50VDC
28400
:3 t 0 1-21,55
Al 52
0:!63-·0193
2
I
CONTACT·-SWITCH
HOOK
SHAPf; 302.
SST
2D480
IJV,:1· 0193
AIU! Hl~O· ·~~715
'I
;3
IC DRVR TTL. NANU
DUAL.
2-INP
01295 SN'7S447P
Alll2
1 B20-2'71S
9
IC DRVR TTL NAND DUAi. ..
2· .. INP
012.95
SN'75447P
A1U3
1020··2744
4
2
IC-·111C3···000S
20480
1820-2744
A1U4
Hl20-2744
4
IC-111C3-0005
2848()
1 ll20··2744
A1U5
1820···2754
6 1
IC llISC CHOS
31471
UA-4 MASKED
A1U6
1820··2753
5 1
IC llISC CMOS
31471
UA··4
llASKE'D
AIU?
lfl20··1470
1
1
IC llUXR/DATA··SEL
TTL LS 2··T0-1-LINE
QUAD
012?5 SN74L.Sl S?N
AllJ8
1 B20-·2715
9
IC DRVR TTL NAND DUAi...
2.·-J.NP
Ill 295
SN'7~i447P
AIU9 'l820-0990
ll
2 IC RCVR DTL NAND LINE QUAD
01295 SN75189AJ
AllJlO
Hl26-0138
8
1 IC
COMPARATOR GP
QUAD 14 .. ·DIP-P
PKG 01?.95
lll339N
AlUll
1020···050?
5
1 IC DRVR
DTL
LINE
DRVR
QUAD 04713
llC14BBL
A1U12
1820-·1438
1
3 IC llUXR/DATA-SEL TTL
LS
2-·T0·-1--LINE
QUAD 01295 SN74LS257AN
A1U13
1820-2470
3
1 IC-DIGITAL llC68SOP 28430
1820-2470
Alll14
11320-2099
2
1
IC
lllCPROC NHOS
8--BIT
04713 11Cbll02P
A1Ul5 1818-3290
2
1
ROM 28480 1818-3290
A1U16
1818-3291
3
1 ROM
28480 1818-3291
A1llt7
1818-3022
8 1 IC CMOS (16KI STAT RAM 200-NS 3-S
28480
1818-3022
AlUtB
lB<?0-1196
B 1
IC
FF
TTL
LS D-TYPE POS··EDGE-TR IG
COii 01295 SN74LS174N
A1ll19 1820-2274
5 1
IC DRVR TTL. QUAD 13606
ULN- 20688
A1U20 1820-1433
1
IC llUXR/DATA .. SEL
TTL
LS
2-TO--t-LINE
QUAD 0129'5 SN74LS2S7AN
All.121 'l 826-0904
6
1 IC-Lll330T-5. 0
28480 1826- 0904
A11J22 lfJl!O··l 199
1 1
IC
INV TTL LS HEX
1-·INP 01295 SN74LS04N
A!U23 u:120- .. 1 ~.
1
.02
7
1 IC GATE TTL l.S NAND
TPL 3· lNP
01295 SN741.S10N
A1U24 1820-1197 9
2
IC GATE TTL LS
HAND
QUAD
2-INP 01295
SN74LSOON
AIU2S
1820-1197
9
IC GATE
TTL LS
HAND QUAD 2· INP 01295 SN74LSDON
A1U2b 1620-·0990
B
IC RCVR DTL
NAND
LINE QUAD
01295
SN75189AJ
A1U27 IF.120-1438
I
IC
llUXR/DATA-SFL. TTL
LS
2M·TO-t ·-LINE
QUAD 01295 SN74LS257AN
AlVRl
1902···0952 6 I
DIODE .. ·ZNR
5.bV 57.
D0 .. 35
PD=.4W TC=•, 0467. 2EJ480 1902-0rt52
Al VR2
'I '702-3094
3
1
DIODE.-·ZNR 5, 1 lV
27. D0-35
PD=,4W
20480 1902-3094
A1VR3 1902·-·0:'mt
1
2 DIDDE···ZNR 6.2V
5:>:: PD=lW IR=lOl.JA 2[1480
1 ?02-0!'.'i51
AIVR4
1902-0551
1
DIDDl:--ZNR 6.2V 5X PD=lW IR=lOUA
284110 1902···0551
AtV~5
1902 .. 3114
8
~
DlODE-ZNR 6, t?V ?.% D0·-35 PD=.4W
20480 1902-3114
A1VR6 1902-3114
8
DIDDF--ZNR 6.19V
2%
D0-35 PD=.4W
28480 190?.·-3114
A1VR7
1902-1379
1
DIODE·ZNR 3·9V
28480
1902-1379
AlYl 11410·--1334 6 1
CRYSTAL..·--QUARTZ 4 llliZ l·IC--·18/U-··HLDR 28480 041 0-1 ;;34
4-4

HP 7475a Specifications

General

Brand	HP
Model	7475a
Category	Plotter
Language	English