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ADJUSTMENT — 2/ WIRING — 3 (MOTOR GOVERNOR
SECTION)
If such a counter
is not available, check
as follows.
Externally Attached
Circuit Diagram
for check
MOTOR
LOAD
ADJUSTMENT
The following adjustment
should be made after replacing a
Table
1
tor.
1. Attach the following circuits externally as a buffer and
Sook
.
:
connect
the frequency
counter.
As shown figure, connect the counter,
ampere meter and
CURRENT CHANGE WITH SLITS
@) :
2. Check the counter reads 32.768kHz.
power supply.
|
(2) AND @) SET TO OPEN
3. After check is completed, remove the externally attached
a
(1) Adjust SFR1 to be 153Hz-+2Hz.
|
circuits.
(2) Restrain the motor manually and check that the
P
tke
resultant current is 250mA aN mA.
mee
sania ee
secre
enairains
iar Be —614
If the current reading does not satisfy the
OP vesccceeeessccncesseceeeesssseeeessssceeceesssessesenees 87 —018 — 104
|
specification, make the adjustment as shown in Table
LOOk+-s-recessccececeeseccsonssssescasesssnsssensoeeeeesens 88 — 122 — 104
1.
OT], sssssevccssececssssesseceeeesssceeeecssseseesesesesees -88 — 122
— 272
C
(3). Check thatthe: Won load eusrent: des W0akser tess:
|
:
(4) Connect the plus (+) pin of power supply to the
[Reference]
ons
bY
Counter
DIRECTION terminal to rotate the motor in reverse
32.7680kHz
Ta wd 60 CCS e Kon ses bcc eee cece
een cesses ee
enter
frequency
and check Steps (2) and (3).
32.7685kHz -:-- Difference
in monthly
rate: +30
seconds
ee
eh
me Re nT |
rotated in the forward or reverse direction at a
[Note]
The
oscillation
frequency
becomes
unstable
due
to heat
generated
when
soldering
the externally attached
circuits.
Leave
the unit
until
the frequency
becomes
stable, then
check it.
supply voltage of 1.7V.
M |
(MOTOR)
SCHEMATIC
DIAGRAM — 2 (MOTOR
GOVERNOR
SECTION)
2V
Nw FT isev
hax fe
dN
k#—+1 4M SEC
_| pf
a
wae
CONN
!
I
|
|
To [H] MOTOR GOVERNOR
C.B
NJM-2613 (0 A~ @ 2)
'
-
2
ta.
SFR1
=
|
aie
I53HZ+2Hz
P
|
@}
|
F counter}
COUNTER
a
I
MOTOR GOVERNOR C.B
Tom o.K8
{OK
+B
g
=
3
an
Z
:
AMPERE
"TC. RANK
s t e
aa
SH
|
ae
'
Bo
a
By WHT | = 330i"
ISLIT
PAUSE
|
Cy RED | 390 |
NO."
} DIRECTION
[H]MOTOR GOVERNOR [oi crv [470
L__
.
age
CoB
ziptu
[220 —*"
=
(3}—(4)
—- ———
-(s)
(2)
~
[A] MAIN C.B
PAUSE
DIRECTION
|
GND
+B
3
|
ne
I
£O
MOTOR
TO
|
|
:
FLEXIBLE
MAIN
C.B
MICFYAIRFRBRET
M7 r<~yhO
(ACD, Z)CRKRENTHEF,
|
C.B
VIA [F} MOTOR
FLEXIBLE
C.B-
gtne
ronk
of ICs
is
indicated
using
colors
of
tetters (A~ 8, Z),
13
:
14
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