Quantum Q250 Technical Reference Manual page 48

Q200 series intelligent disk drives
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TES:
UNLESS OTHERWISE SPECIFIED.
THIS SCHEMATIC APPLIES TO ASSEMBLY 20-22007
OF THE SAME REVISION LEVEl.
ALL RESISTOR VALUES ARE IN OHMS,
ALL CAPACITOR VALUES ARE IN MICROFARAOS,
ALL INDUCTOR VALUES ARE IN MICROHENRIES.
SHORTING PLUG OPTIONS ARE SHOWN AS:
OPEN CONNECTI ON
TRACE OR WIRE CONNECTION
-B-"
SHORTING PLUG INSTALLED
POWER CONNECTIONS
I.C.
REF
5 V
12
V
GROUND
OP8455
U 1
20
NONE
10, 19
r--------- ----- ------------ ---- ---------
OP8464
U2
NONE
9
17, 20
---_. ------------ ----- ---------
DACOB32
~~B
19
20
3. B
-EL2-017 ---
ru4--
----NONE---
-20-
--;0-----
r-;:M'iSBA ---
U5--
----NDNE---
---e- --:;-------
------------ r--- ------------ ---- ----------
LM339
U6
3
NONE
12
-:;40-6---- u7"--
-----14-----
NONE
--7-------
-------------- r----- r-------- ------ ------------
HA13426
UB
NONE
I
5,7
TMG eTLR
~~:: :=::~~~~::=- ~~~ :~:
II,
:~:~--:
A07B20
Ul0
7. 20
NONE
10. 13
3046
U'ij-- f--No"NE----- NONE -NONE --.----
---------- r---- r--------- ----- -------------
MC34072AP U12
NONE
B
4
B031
U'13--
r---
40 ------
NONE
-20---·------
----- ra-I725--33 -----
-:f13.-20-;----
DATA CTLR U14
50,58,68,
NONE
2B. 3B. 4S.
7S, 86. 100
~~: ~~.
73.
27256
U'1ii-- f---2e'------ NONE
--j4----------
------------ r----
f------------ ------ --------------
4416
U16
U17
U18
NONE
1.1B
-------------- ----- r------------ ------
--i:-r2.-rr.::!~
_ _
~~_~_~_______ ~_~
_ _
r~~~~~:-~-~- ~~~~l~6 :.~~_~~~_~_
74LS36SA
U20
16
NONE
8
--LM35BA----
U'ij-- ----NONE-----
--B- -:;------------
--i4Hc11----
u2i-
r----
14 -------
NONE -:;----------
----- --------------
----- ---------------
75453
~~~
8
NONE
4
OSC
U'25--
----i1.-j:;-----
NONE -:;-------------
------r------------- ----- ---------------
220 ohml
U31
330
ohm
LJ32
LJ38
NONE
NONE
1
----- r------------- ----- ---------------
U39
lOOK
.ohm
LJ40
LJ41
NONE
NONE
r----------- ----- ------------ ----- --------------
---------------------
--------------
------- ----------------
REF.
PIN
SIGNAL NAME
PAGE
Jl
01
GNO
3R
02
-OBO
3R
f-.------ --- -------------- ----
03
GND
3R
04
-DBI
3R
05
GND
3R
------- ---- ------------- ----
06
-082
3R
07
GND
3R
------- ---- --------------- ---
OB
-DB3
3R
09
GND
3R
10
-DB4
3R
11
GNO
3R
f------- ---- ----------------- - - -
12
-DBS
3R
13
GNO
3R
------- ---- ---------------- -----
14
-OB6
3R
15
GND
3R
16
-OB7
3R
17
GND
3R
------- --18
----.:iisp------ -3R
19
GND
3R
20
GNO
3R
21
GNO
3R
22
GND
3R
23
GND
3R
24
GND
3R
-_._._-- ---
.----_._--------- --.-.-
25
N/C
12 V DC
REF.
PIN
SIGNAL NAME
PAGE
Jl
26
TERMPWR
3R
27
GND
3R
2B
GND
3R
r------- ----- -------------------- -----
29
GND
3R
30
GND
3R
31
GND
3R
--------
-----
---------------- ----
32
-ATN
3R
. - - - - - - -
_ _ _ _ po
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
33
GND
3R
34
GND
3R
35
GND
3R
36
-BSY
3R
37
GND
3R
3B
-ACK
3R
39
GND
3R
40
-RST
3R
41
GND
3R
42
-MSG
3R
43
GND
3A
44
-SEL
3R
45
GND
3R
------------ -:;S-- ------::C7ii-------- -3Fi---
r--------- ----- ------------------ ----
47
GND
3R
4B
-REG
3A
49
GND
3R
----------- -50-- ·----::i/-ii----------- -3R'--
L4
CONNECTOR PIN ASSIGNMENTS
REF.
PIN
SIGNAL NAME
PAGE
J2
01
12 V DC
lL
02
12 V RT
lL
-------- ----- --_. __ ._---_._+-_ .. -
03
5 V
RTN
lL
04
S V
DC
lL
REF.
PIN
SIGNAL NAME
PAGE
J3
01
HALL GND
2R
02
HALL 1+
2L
-------- 03'--
-HAL.Li:------~L---
-------- ----- ---------------+-----
04
HALL 2+
2L
OS
HALL 2-
2L
---------- ----- --------------+-----
06
HALL 3+
2L
-.-------- 0'7--' -HAL.L3:------- r
2L·--
---------- ------ ----------------r-----
OB
HALL 12 V
2R
09
COIL A
2R
----------- 10--' ---CO:iLB--------
r
2R·--
._-----_.-
...
_----
------------_.- -------
11
COIL C
2R
L11
J4
,----JTTT\.-----l.!:0!Lj FIL 12 V
~.7
~Lr----~----InrL----~------~----~r_----~~------------------ 12 V
BEAD
C3B.
45.49
10
C43
.01
CB1. B2
10
CB • 2B. 37. 47. 64-66.
.1
75.91.93.111.
12 V RTN
~02~----------~------+-------
...
----~~----~
J5
L5
S V DC
BEAD
S V RTN
GND
C46
22
Wl0
C44
. 01
(BASE CASTING VIA
PLATED THRU
MOUNTING HOLE)
(JUMPER NOT INSTALLED)
L12
J4
,------"'4'. 7~-----l....!0~B'-J FIL 5 V
5 V
C3. 19.25.33.34.47. 4B. 50
_ 1
51. 54. 55. 67, 68. 69 .
GND
Fi Ie;
B022007A
Drwng;
NAM NG
Page Ole
f 03
REV:
L
Date;
4/10/B7
REF.
PIN
SIGNAL NAME
PAGE
J5
01
C
AGC
2L
------ -02'- --auRs;:--PEAK----- 3R-
------ 03'- -SETHySr----
3L-
--------- -0;;-
--OETREF------
2L
-------- 05'-
-::WEDGE-------
3R--
--------- 06'- -----6NO------ -;L-
------- '07'- ------5--Y------
-1L-
------ 08- ------12-V-------
-1L-
-------
'---
---------------- -------
09
12
V
lL
-------- -1(j-
------S--Y------- -1L-
--------- ------ -----------------
-----
II
GND
lL
=:=::::=
:~~=- :=:::::~Z~=::::= ::::~
13
+ENCDDED DATA
3R
---------- -1;;- -+DATA--Coc-K'----- 3R-
---------
------
----------------.-
-----
IS
N/C
--------- -16'- +Ti;sr--RocLi<'- 3R-
i i
MUST CONFOHM TO
MATERIAL
f: ::5
>
t::
~
;
~~
~ ~
CASE DEPTH
..
~
'" !!:l
HARDNESS
~
i
su
RFACE
"'8
TREATMENT
ENGINEE RING SPEC
TOLERANCE UNLESS
OTHERWISE NOTED
LINEAR
:.XX
'.XXX
ANGULAR,
~g~~~RS
IOUTSIDE
MAX
BRO'"
IINSIDE
MAX
Figure 3-2
Sheet 1
Quantum
TITLE
SCHEMATIC, Q200 PCB7
DETAIL!
I
RELEASED FOR ASSEMBLY
DESIGN
1
I
ID
APPRO I
I SHEET
I
OF
3
L
SCALE
80-22007
rEV
NONE

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