Schematic Diagram - Panasonic JU-475-4 Service Manual
Flexible disk storage drive
Hide thumbs
Also See for JU-475-4:
- Service manual (34 pages) ,
- Service manual (34 pages) ,
- Service manual (33 pages)
Table of Contents
Advertisement
FG
IN USE LED
STEP NOTDR
0.0. MOTOR
-INDEX
-TRACKllj'j
- WR IT E PROTECT
- READ DATA
- READY
L2
FERRITE
5
4
~OTEL
o
~
NOT
INSTALLED
o
RP1
-{>
1Knx6
R23
+5V
+
12 V 0 C
---".£,.....:.'---1
+
5 V RETURN
-¥r"-----.--4--t~r...,-.;.~
RY
+
1
2
V
RETURN
~t~~"---e--'-"'~
R24
MA151A
+
5 V
......
~~I-
_ _
- - J
+12V
+5V
R22
820
4.7
L7 33lJH
t3::~}
r--\II~--4~t12V t'2V~
C34
~
~~~'-=.L~2~:;r;.~0~. 1~lJ~_.!-m~
"u:
~
\7
O'
7 ' } - - - -.....
~--..a..:..t
IC2
27
2
rz-
'0~
HA13421PMP
t-=2:.;.3-------..:.3..JV}~
.-=-_ _
..:..0
1 ....
6
~-------~,~
~----'l----'f-:----Wlt---
+
5 V
XTAL
+SVA
R51
39K
RS2
1.8K
RSO
39K
C'20.022)J
C11 0.022..LJ
R49
8.2K
TPS
~
-e
CD
U
U
0
.0
0
0
PHLA
DGND1
NINDEX
2
NTRACKf)
3
NWPRO
4
HRDDT
6
NRDY
8
NDMACT
11
Ie 1
MOSO
12
FQL01280B4
NSTPACT
NSD1
NSD2
INU
9
WVCC
weND
0
0
C
N
N
ouAV
30
x:
~
x:
0
u
-
~
0
c
z
u
u
u zu
c:c
e2
0
w
...J
U
>
V)
(J')
u>AG
350. 1
jJ
a:
...J
::t:
0
0
10
10
uu NO
18
20
19 22
16K
R41
3.6K
NOS
PWP
9
NIDX
PTKD
N
M
~
PHSD
0
0
0
HD1
:z:
:z:
:z:
23
26
27
29
R21
B.2K
R19 R20
16K
16K
COM
R/ W 1
---'\I+r.;.;;;...--;~----t------+----:::----+--+---.~--,.
ERASE
~,I+J-~--'-----+--f..1
)t-...~---...~---.~
GND
~
NC
~
i'5V
SIDE 0 R/W 2
CliM
IVW 1 ~~---------:=--r-;;:;t;;;;;:;;~---t--4-----,
--t:==----J.--l-~___I__t_-l-~-!~~~
HMTRON
--*~--_t_------+-+-+--+-+-
......
----::~-----t
0 I RSEL
~:-=---+_------+-+-+--+""-"""-"'--fJYVrF::.t
NSTEP
~...a.;.---+--------+--+--+----lt----ill--t--~--~
NWRDT
","*~--+-----~--+-'--'-of-r--+----=-I
HWRC
T
-*-=:..--_t_-----+-.----+-+~-_t_--~
NS I DESEL
~~---+------4-----+-+_+-+_---=.~
NH LI NU
~------
--+-+-_+______1~fJWw....r;.z.l
NLO
WHO
MEDIA SENSOR PC
MEDIA SENSOR PE
NEOlA SENSOR LA
NC
Ne
WRITE PROTECT PC
WRITE PROTECT PE
INDEX PE
INDEX PC
SIDE 1
TRACK 00 PC
TRACK
0D
PE
TRACK 0G LA
NODE SELECT
- DRIVE SELECT 1
- DRIVE SELECT
2
- DRIVE SELECT
:5
- DRIVE SELECT 4
SCHEMATIC DIAGRAM
[JU-475-4AGGl
- MOTOR
liN
DIRECTION SELECT
-STEP
- WRITE DATA..
- WRITE GATE
- S I DE SEL£CT
- IN USE /
-HEAD
LOAD
16.
- 27-
Hide quick links:
Advertisement
Table of Contents
