HP 5385A - Hp 5385 A

P/0 Al MOTHERBOARD (POWER
SUPPLY) <05385-60001 J <05385-60003 OPTION 004, OVEN OSCJ <SHEET 2 OF 2 J
,-- --
-- -- -- -- ------
I
r--P/0 5~-SWITCHIN~-REG ' I
I
I
I
J3 L7
~Br:u~
"I EARTH
::-=-~~· ;}?
9-15VDC INPUT
A3
PACK OPT
BATT B+ OUT
CR14
DC CHARGE IN
SHUTDOWN
CC7
. 01UF
RETURN I ) I , 6 , 'L_l__LJ
I 7,8
RETURN 1.._
_____ lJ 14
CTP2:J
'
OVER VOLTAGE
,---PROTECTION----.....
(CROWBAR)
CRI3
NOTE 9
--
STBY
o-
A
b I
• +5V
I 52: ON I
NOTE 10
I 1 STBY I
·<>a
C30
t2200UF
010
sv
,.-REG""'"'
[l'P8)
'
R56
00 I
fir1 ' I I
U7
2.5V ~
rREF~~
I us I, !'::~'1'
0.1UF~
EA
E: 14 I
C69
~1.0UF
Ll
230
R62
5620
R63
5600
NOTE 5
C74
.047UF
~--1~---
T~~UF
~-.CfPTD
C70
2200PF
R59
511
R55
I:J
2200
us
9
CRII
I
I
___ j
S3BSAI
I.
2.
3.
4.
5.
6.
7.
B.
9.
10.
HP 5384A and HP SjH~A
service
NOTES
REFERENCE DESIGNATIONS WITHIN THIS ASSEMBLY
ARE ABBREVIATED. ADD ASSEMBLY NUMBER TO
ABREVIATION FOR COMPLETE DESCRIPTION.
UNLESS OTHERWISE INDICATED:
RESISTANCE IN OHMS;
CAPACITANCE IN MICROFARADS;
INDUCTANCE IN MICROHENRIES.
ASTERISK (*)INDICATES SELECTED COMPONENT,
AVERAGE VALUES SHOWN.
JUMPER W2 IS REMOVED WHEN OPTION 004
IS INSTALLED.
C74, .047UF IS NOT INSTALLED.
~l~DICATES A COMMON CONNECTION .
F2 IS LOCATED ON REAR PANEL.
C28, 2.2UF IS NOT INSTALLED.
52 IS LOCATED ON FRONT PANEL.
+5 VOLT SUPPLY TO MOTHERBOARD AND OPTIONS.
TABLE OF ACTIVE ELEMENTS
P/0 AI ASSEMBLY
C27-32,34-36,69-71,79
CRB-14
El
Fl ,2
J3,4,9
Ll ,6, 7
Ml
010-12
R50,52,55-64
51,2
Tl
TP2,8-10
U7-9
TABLE OF ACTIVE ELEMENTS
REFERENCE HP PART MFR. PART
DESIGNATIONS
NUMBER NUMBER
CR8
1906-0096 SDA296-2
CR9
1884-0221 SCRI153K
CRI0
1902-3234 SZ30016-266
CRII 1901-0050
CRI2,
14 1901-0782 IN5821
CRI3 1902-3110 SZ30017-117
010
1853-0363 X45H281
011
1854-0013 2N2218A
012
1854-0477
2N2222A
U7
1826-0904
LM330T
UB
1826-0544 MCI403U
U9
1826-0428 SG3524J
Figure 8-51. HP 5385A A1 Motherboard Assembly (Sheet 2 of 2)
8-53