Panasonic JU-363 Service Manual page 19

SCHEMATIC DIAGRAM OF CONTROL BOARD
/
/
~
I
I
\
'
-OMO
-INL
+12V
+5V
+5VS
+IXP
+WPP
-DDP
GND
-DR I VE SELECT 0
-DRIVE SELECT
-DRIVE SELECT 2
-MOTOR ON
-DRIVE SELECT 3
-IN USE
-DISK CHANGE
-STEP
-DISK CHANGE
RESET
-SIDE SELECT
-DIRECTION
-WRITE GATE
-WRITE DATA
4
L _
_J
r4Ji1
I
9
I
I
I I
I
3
I
©t-+12v
I
©+--+5V
I
I
@t-+5VS
I
R39 47K
R40 47K
SRY
r-
L_..J
r.-:-i
36
L _
_j
T/S
45
46
47
II
62
19
10
12
"t-5V
... ,. ., ...
Q:q-42
53
T/S
IOXP
WPP
COP
}"'
OSI
MON
PSO
IUS
OCH
DIN
STP
OCR
SIS
-1/0
WTG
SUB
BSL I
BSL2
BSL4
C6
0.1.,.-
LI-
_J
I'-
0
0
0
IO
z
:?;
ESW
WSW
HIS
ROI
PS
•
+svs
-Ill
AP"~---H
to-=-'--~~~~~~~~~~~~~~~~~~~~~~~~~~~~----"'a1112HA13421AMP
21
28
3
23 40
44
"'
-EG
3:
+ "'
-WG
-HS
+RO
-WO
N N
:E O ::=!: 0 CD U
u o u o > O
N -
u -
0 0
35 32 34 33 27 30
c:::
C:::
0 0
...
... ...
~~
0: 0:
O:N
R31 47K
-19-
HAl6642MP
N
Ci
L4
150pH
N
0
z
C>
L2
OA3
r-----,
WT1D' 12 =---+---"--<...iom-+--l----l--I-~
I I
I
L ___
_J
OA4 r---,
I
I
L ___ _J
+
111 eD-
1 "- 6
---+-i
- INDEX
-READY
-TRACK 00
-WRITE PROT
-READ DATA
+5V
GN D
GND
+12V
_ _j
HEAD