Mfd Function Checker" Circuit Diagram - Sony MP-F17W Service Manual

Micro floppydisk drive
Table of Contents

Advertisement

+5V
C,N2
+5V
+5V
o--~~-,
+5V
0--t-1 ..... ...,
r+--I-
'1184-1
' ...
1-1-
,
,
5N7545112
r,
, - -
"
RB1
100/18Vx2
Vee
RB6
r
H'
ICt6
-1-1--,-
-I-,
+5v
LS279
~GNo
pes
1
SW6
L
+-
-I-
.J
10K
L
' _ I -
.J
lK
P50~~~S~E~L~E~C~T~1~---
_______________ --__
~~~~~::::t:~:t::::::::==1~=>~:3~1~C~l~--~t'=F-i=~-------1
I.
0
r->'--
21
+12V
P51r2~3~~S~E~L~E~C~T~2~
_________________ --__
--+----_+-~
________
~6;r~5
IC1
CNl
c
SWt4~
-I-
H-
-I-J
~.-----.
2 S
0 4
1 I
IC16
LS279
6 S
SW15~0-
__
~~I ________ ~5 I
o
7
SW13
SW11
I
I
I
I
IIB7
1K
IC16
LS279
t5 S
14 ,
IC16
+5V
LS279
H
!
I
10 S
o-~--4-~----~1
I
I C17
I
+5V
LS279
t;.-----.
..... _ _ _ _
-J~---...!2=_1S
0 ~
s.,LS]
1,
"'r:~
SW4~:J
::;1
~i
....
:::>z
c-
III ....
t-wG"D..
-cnW&a.l
a::Qt- ....
:.:.rncn
+5V
~YCld
~
Vee
rEA
l!.!!
Va.
...
N
'"
...
N
'"
...
N
'"
....
III
III
III
co:
..
....
c
....
x
",,,f'lN'"
"'''''''C'ltr't
.r-CDtA •
N'" _ _ _
Q.CL.CLCLG..
IC 5
jJPD8749HD
....
x
3 11
lK --I
Nt· '"
:!:::I:I~I
SW5~O---""1--='';'':;-~1
DI-
81112131
:E
C5
X1
C4
LE02
I
1
22PI 6 .. H% T22P
HP5082
011
I
7340(
1)
151555
".
5~
71
C3
+5V
33/18V
+5V
1
~
7
P52 22
SELECT3
...,.
1
:3 IC2
2
r-o---
2
P53 21
SELECT4
6
51C2
1112
1Kx2
3
.... -
7
... "<>'
+5VO---I~~
__ -""
IC17
~I
:-----..., 1
LS279
+5V
o---1~""
'''"
1111
o-l.
6 •
0..1
' I -
+5V
o--~~-,
I
~
155'
r-
,. , -
,
IIB4-2
'
I-
II
+12V
~
I
I
I
10K
5N75451x2
I' ,- -
"I
IIB5-1
I I
"ON
5W7
L-_ _ -'
L_I_I- .J
L
I ..
_I-
.J
1 K
+ 5 V
0--
t-1:+_-:t:-:-5-:V:---I
--F
2
GNo
,;; Lr.3:+-G:'-N~D:--I
+12V
~~4~
__
+~1~2~V~
SW1
1
CHGRST
P60~2~0:=~~;;:===================~::::~~~~~~~~~~~~~~ifP~3~I~C6~==~tr-~f:~==~-r'-fi-ti-~;r====~~~t=~C~N~3~a
P811.
1~9~...!H~0~5~L~--------------------~~~~~~L::t:tj:::::::::::~6C:).2~I~C~6~
_ _
+-tJ~_~
I
"--
71
2
oSKCHG
a:
SW8~"'---"
U
W
P82rl~8~~I~N~U~S~E~--
________________
~~t'~~ O~L:=+:t:::::::::::::21~=>~3~I~C~7~--t-L-----t--i-+-ti-+-~----~-+-t3~!~~~~
~o
I.
SW9 ~
o-c
4
INUSE
~ ~ ~ P63rl~7~_C~H~G~II~S~T--------------------------
__
;;~t:~~~~:::t:::::::::::::::J~1:~5~I~C~7~
____
J-__
-;;;~;t
__
J
I
f- 5
+5V
N
~
I
SW10l--'-
Oo--t.
RB5-2
6
SELECT4
U
(Xl
x
'". . ....-."
+5V
0--_.-.
1K
T6
3
I-
7
+5V
-
0
W
...
SV
5N7545112
,.-1-1- ,
-.1..
B
INOEX
~o
,
I
~~
P70r1~3~_S~T~E~P ____________________________________________________________ li1~~3~IC::1:2 ____ ~~1~-~:r~.J----~~
P7111~4~~0~1~II~T~N~
____________________________________________________
f.~~~5~IC:1~2~
__
~-L
______
~~
I- 9
+5V
10 SELECT1
"-11
t5V
12 SELECT2
~31C11
...
~
15
E"ECT
P72
+5V
o
IC15
ICB
TPt1
TIIG
r- 1
GNo
14 5ELECT3
P73r!!-
Ls_
B
LSOO
LS244
P4012
iG
iol )
IC1B
LSOO
TP2
9
f-15
GND
P 4 1
i
3
wTF
1 3 ,,>.7'-::---::--_ _ _ ..,
P42
4
WCP
v
15" 5
+5V
o
1
16
1-17
lB
MON
GNo
olRTN
P43!5
E R " A 5 T v
17 .....
:3
",:,"10
2
3
TP7
?
1-19
!O
GNo
STEP
c:I
O _ N I ' I O
N N N N C ¥
a..a.Q.Q..Q..
::I~I"IDI"'I
... fN
II) . .
1ft
NtNN NtN
O_N(I')"
NNNNO
a..Q.CL~G:
...
+~V
IC14
""
~
____
~1~6~1~7~1~8~1~9~
____
~_:~V
T
LS74
~ i"Jn'R
»:&;;:::
YOO
lJU
~
D P),R
4
0
r5't-I_IO_"_IP_'-Q.,...;.,S.:..W::.1.:.6
:
~
I C 3
Q2
14
r>C
h
R
1I~1··&IP'r
""
l~--+--r-~!.t.~
F82S159
a:::tq,
5NI7CS14351+5:
1115
l K
"-r=-+-~~_-j-tl-i2~:tW~G~R~:~~~T~
L __________________
~~
__________
..,.-J2~~3~i_----~_1~--~
6
TIIKOO
+~V
b-2
GNO
+~V
+~V
+5v
+~V
+~V
+~V
IC1S
TP4
8
WRTPRT
GNo
2 WilT DATA
1-23
GNo
1_
4
I .
.1.10
9_
PI4
10
112 _ _ . .
~5VLSOO
1114
3.3~
"9
~129
t12V
~rD--pf.R;::-o..,~t-
li
D PI ot!1-
~
D
ot.2-
D PR
0~4 6~
1
3
0
lIo0ATA
5
2
R4
10
L-------t1--1~_t--_1~--1~~1==~+~1!2lV~
TOI-'1t...-...: 3 :.tocIl
LR
II.!
~~
a"!
~--=3:.toc
Q
~'Q
8
ICt5
K
2
HoSL
C
, - r ' b L R
'bLR
IC4
r'cLR
L500
_.::.9<1~1~l--l
______
l ..... ________ -,
"-133
tl2V
iT
IC9
13,
1
LS74" 13'!'
"
TP10
4
6
LS'T4
6
L-_ _ _ :..I _
r:l..
C21'"
1119
"'SV
Ice
10KI4
··.12
READY
Pl0~2~7~~~+~S~V~~~~~~+~5~V~~~~~~il~8~1~~22~~1~.~0~I~~~~10~0~K~~~~~~L~5~2~4~4~~~~~lIj8~~ro~~~~~~!J
?CN4
Pl1 28
T
"
16A4
115
."1
1
EXT
P12 29
....
14A6
lUI
."3
2
N. C
P 13
:3
0
"
12
A
8
116
,;:;.- ~3;.,o. __ ..;;G~N..;;O_
...
LED
~
~.:;l~ ~
IC8
111".
.",.r-
a c a a
. . .
":I"~I'I~I
...
-
....
8 1 2 3
I .
LEol
HP50B2
7340(10)
5~
71
GL9NG2x5
113
a
I~l-~f'"
- -'
"I
1182
L5244
680
L
_ _
-f-.J
470
't5V
I
1.5/2SVx14
1"SV
TPl TP8 TP9
Fig. 2-3 MFD Function Checker" Circuit Diagram
-5-
-6-

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents