HP (Hewlett-Packard) 3490A Car Stereo System User Manual


 
/
HOLD
LOG IC
-
66528)
]N)
TURN ON
u3(r,r3),
u4(9)
CTATF
CLOCK
TURN ON
ut6
2t4
couN'l
SAMPLE/
HOLD
TRIGGER
C IR CUITS
+5V
+
E5
5.6 K
R8
5.6
K
r3
QUALIFIER
MULTIPLEXER
!!Bs-u | ,
SAMPLE/Hq-D MODEL
(HIRA)
RANGE
AH
(
LMPO
)
-SAMPLE/HOLD
DELAY L
(MANUAL)
TO U8il)
9(2)
'K
(LMPS)
-
SAMPLE HOLD DELAY L
(MANUAL)
TO
U2(t)
ilRA) TO
U2(2)
IRB
)
TO
U8
(7)
ilRC)
TO
U8(9)
IMTA)
TO
U2
(4)
{MTB)
TO U2(5)
{MTC)
TO
U8
(2)
-sHP)
TO
U2
(3)
R EFI
-sHo) To
u8
(3)
cR2
(LSHP}
REMOTE
SAMPLE/HOLD PROG,L
(HMTA}
MAIN TIME
BIT AH
+5V
n,'j
(HMTB}
MAIN TIME
BIT
BH
Rs(O
I7 K
(HHoA)
HoLD
AH
(LRMT}
REMOTE
L
S-*l:
HPA
FROM
U3(5)
HPB
FROM
U3(9)
HPC
FROM
U4(I4)
I
,,'
(LMPDI
}IANUAL SAMPLE/HOLD
DELAY L
(HMTCI
tlAlN
TIME 8lT CH
: ;.'
;1:',
..i.:,ilgxot
IREMoJE
s4rrpLE,/Ho!-D
DELAY L