Brother International MD-817 Service Manual - Page 69

Brother International MD-817 Manual

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Reverser operates. YES #102 TR 5B: OK #102-1 NO CPU pin 58: OK #102-2 NO N CPU RUN: OK #102-3 YES Brake sound is heard. NO #103 YES Replace TRS. YES Replace HIC2. 8A fuse: OK #103-1 YES TR 1B: OK #103-2 NO CPU RUN: OK #103-3 NO NO Replace the 8A fuse. YES Replace TR1. YES Replace the CPU or H1C2. #102- 1 (TR5-B) #103-2 (TR1-B) (P53) 0V (P53) #102-2 (CPU-58) TR REM . 'Fr"' (5' ;'.,- ' ti-DIG 33 .7'.1..-.c• ecm* ' trf . ... A , A 4o.,2 r. %i ,i r r $:::2% .* • a I 114 6P,M a 1 pp• (____ ". 04)",,,r.-.., ,AO--..-- fr , 4 ,:,, j „. ,..r. rc t( T k. , -- , moisso4,1 "_DImP,"='.... gl, 1 :r) 41 H I--- n, .: 'Igl Millefral•• OOP - Ar UORINgliro - CI 0?-3.18! =1 . I-: •DII9 'b n • reda,Kal . DNG #103-2 When power is ON. 1V or lessH ...[Approx. 40ms If synchronizer is not connected 300ms. #102 related OV: Check pin OV TR 5B: OK #102-1 Base 1V or less #103 related OV: Check pin 0V TR 1B: OK #103-2 Refer to upper right figure. CPU pin 58: OK #102-2 4.5V or more CPU RUN: OK #102-4 Refer to #3-2 CPU RUN: OK #103-3 Refer to #3-2 - 65-

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Reverser
operates.
#102
#102-2
(CPU
-58)
YES
TR
5B:
OK
#102-1
NO
CPU
pin
58:
OK
#102-2
N
NO
CPU
RUN:
OK
#102-3
YES
Replace
the
CPU
or
H1C2.
Brake
sound
is
heard.
#103
YES
Replace
TRS.
YES
Replace
HIC2.
NO
8A
fuse:
OK
#103-1
YES
TR
1B:
OK
#103-2
NO
CPU RUN:
OK
#103-3
#102
-
1
(TR5-B)
#103-2
(TR1-B)
(P53)
0V
TR
#102
related
OV:
Check
pin
OV
REM
.
'Fr"'
(5'
;'
.-
, '
trf
.
...
.'.
.
c
•
c*
'
A
A
4.
o
,
2
i
i
71..—
em
,
r
.
%
,
r r
$:::
2
%
.*
•
a
11
4
6,
PM
,
,..
r.
rc
a
".
(____
fr
,,,
:j
„.
t(
pp•
A-
4
I
1
0)",...,
,
--..-
4,,r
-
O
,
--
T
k.
,
moisso4,1
"DP
_
Im
,"='
....
gl,
1
:r)
41
.''.
•
•
H
I---
n, .:
'
I gl
—
Ar
—
CI
=1
I-:
.
•DII9
Millefral••
OOP
UORINgliro
'b
•
0?
-3.1
8
!
n
reda
,
Kal
.
ti
-DIG
33
DNG
NO
NO
Replace
the
8A
fuse.
YES
Replace
TR1.
YES
(P53)
#103-2
When
power
is
ON.
1V
or
lessH
...[Approx.
40ms
If
synchronizer
is
not
connected
300ms.
TR
5B:
OK
#102-1
CPU
pin
58:
OK
#102-2
CPU
RUN:
OK
#102-4
Base
1V
or
less
4.5V
or
more
Refer
to
#3-2
#103
related
OV:
Check
pin
0V
TR
1B:
OK
#103-2
CPU
RUN:
OK
#103-3
Refer
to
upper
right
figure.
Refer
to
#3-2
-
65-