Quantum Q250 Technical Reference Manual page 56

Q200 series intelligent disk drives
Table of Contents

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rES:
UNLESS OTHERWISE SPECIFIED.
THIS SCHEMATIC APPLIES TO ASSEMBLY 20-2200B
OF THE SAME REVISION LEVEL.
ALL RESISTOR VALUES ARE IN OHMS.
ALL CAPACITOR VALUES ARE IN MICROFARADS.
ALL INDUCTOR VALUES ARE IN MICROHENRIES.
R29, 100, 111 ARE NOT INSTALLED IN THIS ASSEMBLY.
JUMPER OPTI ONS ARE SHOWN AS:
.!..., ~ OPEN CONNECTION
~
PUSH-ON JUMPER INSTALLED
I.C.
DPB455
DPB464
OAC0832
EL2017
L~358A
r-L~339
7406
HA13426
T~G
CTLA
AD7820
3046
~C34072AP
r '
8031
DATA CTlA
27256
4154
4416
5080
74LS365A
LM358A
- - - -
74HCli
75453
OSC
220
ohm/
330 ohm
100K.ohm
74LS112
POWER CONNECTIONS
REF
5 V
12 V
GROUND
Ul
20
NONE
10, 19
- -
U2
NONE
9
17.20
U3
19
U2B
20
3.8
U4
NONE
20
10
U5
NONE
8
4
.
--
U6
3
NONE
12
U7
14
--'NoNE
f--]---
U8
NONE
1
5.7
U9
12.22
NONE
1.11
Ul0
7.20
NONE
10.13
Ull
NONE
--~NE
NONE
U12
NONE
B
4
U13
40
NONE
20
8.17.25.33
r---
3.1~
U14
50.58.68.
NONE
28. 38. 45.
75. 86. 100
53. 63. 73.
80.
BB
- -
U15
28
NONE
14
- -
U15
B
NONE
16
~:~
g-
NONE
1.18
1. 12. 17.23
U19
20. 49. 65
NONE
35. 46. 52.
U20
16
NONE
~.
51.
62~§.i
U21
NONE
8
4
-
---
- - - - -
NoNE
- - - - - -
U23
14
7
- -
-
9
U24
8
NONE
U26
14 - -
-
U25
11.
NONE
U31
U32
NONE
NONE
U38
. . . . . . _-g
U39
U40
1
NONE
NONE
U41
- - c - -
U29
16
NONE
B
_
..
~-----
- - _
..
-
- - -
REF.
PIN
SIGNAL NAME
PAGE
Jl
01
GNO
3A
02
-OBO
3R
r---+-0-3-+---G-N-0----~
--
04
-OBI
3R
r·---r--4------r-~
05
GND
3R
~--~--+----------
06
-082
3R
07
GND
3R
08
-OB3
3R
r----rO-9-4---GN-D---r-3R~
r----+-l-0-r---~D~84---~
----+-~
11
GNO
3R
f---+-l-,-2-+-----,0~8-=-5
--+-::-3R::-1
13
GNO
3R
_ .. _--1-----
14
-OB6
3R
r - - - + - - + -
15
GNO
3R
16
-OB7
3R
f---+--+---------r---
17
GND
3R
f----+-1-8·+-------0-B-P---~
19
GND
3A
r-----+--r-----+_~
20
GND
3R
r----+-2-1-+---G-N-D ---+-::-3R::-1
22
GND
3R
23
GND
3R
24
GND
3A
c-----+-2-5-+--N-/~C----r-4
L - _ - L _ _ L _ _ _ _ _ _ _
L - - -
J5
REF.
PIN
SIGNAL NAME
PAGE
Ji'26
TERMPWA--3A-
_._-+--+---------_ .. ---
27
GND
3R
-----
28
GND
JR
----
29
GND
3R
..
--
30
GND
3R
- - - r · - - r - - - - -.. --
_ ....
-
31
GND
3R
- - . 1----1---------_ ... _--
32
-ATN
3R
33
GNO
-jli-
r---+-3-4-+----GN-D----·
JR
35
GND
3R---
----
36
-8SY
3R
f---+~3~7--t----'-GN~D-'--
iR-
_
..
_----_
...
- --
38
-ACK
3R
- - r - - - - i - - - - - - -
- - -
39
GNO
3R
- -
._-
._
...
_
..
_-_.--
.......
40
-AST
3R
----'41
--G'fio---jA'-
42
-MSG
43
GND
44
-SEL
f---+---r---
-
3A
- -
JR
- jFi-
45
GND
JA
46
-C/O
-JR
- - r · - r - - - - - - · -.. - -"-
47
GND
3A
48
-REG
3R-
......
-
49
GND
JR
r - - - - + -
5
-
0
-+----
I
/.,..0--
. . -.
3R-
' - - _ - - . . 1 _ _ --'-___ . _ _ ........
___ _
CONNECTOR PIN ASSIGNMENTS
REF.
PIN
SIGNAL NAME
PAGE
J2
01
12 V DC
lL--
f---.-+---+---------
02
12
V
RT
lL
-
03-
-'5V
RTN--"1L
- _ . _ .
__
...
_ - -
04
5 V DC
IL
,--._-,--,----_.
__
. _ -
REF.
PIN
SIGNAL NAME
PAGE
----:;3'0;-
-HALL GND
2R
f - - - + - - + - - - - . - . - - -
02
HALL
1+
2L
-
03-- '-HALL1:--2L
04
HALL 2+
2L
- - -
- -
- - - - - - - _ . _ - -
05
HALL 2-
2L
-
_._-_._
...
-
--
06
HALL 3+
2L
07
HALL 3 - - - - - ' a -
----~-------
. . - - c - -
08
HALL 12
V
2R
f---+---+-
09
COIL
A
2R
-'-+-1-0 -+-C-OI-L-B -
2R
-~--
c---
11
COIL C
2R
L-_-'-._~
_ _ _ _ _ _ .
L . . . _
~PIN
SIGNAL NAM-EPAGE
f----+---+-----------+-----
J4
a
1
ACT COIL2
2R
r----+---+------------- - - -
02
ACT COlli
2R
03
FIL 12
V
lR-
r - - - + - - - - - - - -
04
GND
lR
05
+BUF WR DATA
3R
f--_+--+--
06
+ WR UNSAFE
3L
07
GND
IR
~---+----+----------------
08
FIL 5 V
IR
09
+BUF
HS1---~
10
+BUF HS2
3R
II
ADX
2L
12
+BUF HSO
3R
13
WR CURRENT
2R
14
ROY
3R
15
GND
IR
16
-BUF WR GATE
3R
L -_ _
--..1 _ _
- L _____________ _ _ _ _
REF _
PIN
SIGNAL NAME
PAGE
J6
01
LED RETURN
--~
02
LED SOURCE
3R
03
LED RETURN
3R
L11
J4
,-~-----CQIJ
I
4.7
FIL 12 V
12 V DC
:--l
~
CQIJ---
BEAD
..
~------<t_---~---+-~------------
12 V
12 V RTN
~
_____ _
5 v DC
L5
------+-~
8EAD
C8 , 28. 37, 64-66,
. __ --- J
.1
75.91.93.
1c46
IC44
112
~
I
CJ, 19.25.33.34 47,48.50
FIL 5 V
5 V
5 V RTN
CQD-__
- - - + - _ - ___ -'
I
22
TOI
r
""""'i~'~
GND
J5
GND
[Q§:J-.
15
File:
8022009A
Orwng:
E.M
P.ge Olaf 03
~EV.
C
O.te:
4/28/87
REF.
PIN
SIGNAL NAME
PAGE
J5
01
C AGC
2L
02
BURST PEAK
3A-
f---+~0-=-3-+--'S:-::E=-T-,H=YS~3L-
04
DET REF
-----a-
05
-WEDGE
3R
---
r-~-------+--I
06
GNO
lL
07
5
V
IL
08
12
V
IL
09
12
V
IL
10
5
V
lL
f---+-I-I-+----G-N-O-----+-l-L--
12
N/C
- - 13
+ENCODED DATA
3R
14
+OATA LOCK
3R
15
N/C
16
+ TEST RD CLK
3R
MUS1 CONF()I<'.I TO
'"
~
MAHRI"'l
~
-
!
~
~
!
CASE DEPTH
:0
HARDM~S
=>
~
=>
~
SURfACE
TREATMENT
ENGINEERI\G SPEC
TO
LE RANCE UN LESS
OTHERWISE NOTED
·xx
LINEAR
. XXX
.'NGULAR·
:'.;",~: ~I',
IOurSIDE
MAX
. . " .,. I'\S'OE
MAX
Figure 3-10
Sheet 1
Quantum
TIT L E
SCHEMATIC, Q200 PCB9
DETAIL
J
J
RELEASED FOR ASSEMBLY
DESIGN
I
I
ID
APPRO
I
I
SHE E T
I
OF
~
1
SCALE
IREV
NONE
80-22009

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