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7. DIGITRON(TIMER) & KEY CIRCUIT DIAGRAM
SW509 is defective.
-
LO
Direction Key is defect.
Q901, Q902 are defective.
—
LED will not operate.
ee EEE.
t
S
£
.
KEY BOARD ASS'Y
:
LOCATION GUID
POWER
LED U
peos Y
329
IGITRON
BOARD
ASS Y
{85133
j
RSO6
Ro4t
R905
R904.
1,
-
mK
«SK
22K
48K
12K
B20
ga.
oa
c8ot
R813
ee Toe
l
l
|
|
Q
5VA
C802
Rat4
$
C803
RIG
=
>
4
x
B=
C804
RBI7
! 24 3 y ef es 3a
a8
x
C805
RIB
BF Glo Gglo
BBlo H5lo BE
78
BE
;
C806
R819
3
& el
a I og i
w
TO KEYBOARD
ae
C807
R821
4
P9SOT
P990q
A fi es
C810
R822
$18) 2
catt
R826
cai2
RB27
FA
cl]
zl 6
C813
R828
%
y
BS
AIWA_REMOCON| LG REMOCON
C814
R901
rf é if
-— |
AUDIO 6CH
| AUDIO 2CH
C815
R902
°
SCART
COM.
RGB
COMPO.
YPbPr}
C8ié
R903
cS i
ed
es
:
CONTINUOU
NOT USED
C817
R904
E
gg
Bl
ge
s
[0906] ViDEO
ENCODER 7128] ENCODER 712
cas
R905
a
a
KX
[ps07] veo
VCD Enable
| VCD Disable
C821
R906
|
t
[D908|SKIP7SEARCH
SKIP
SKIP /SEARCH |
C822
R907
I
aa
C823
R908
t
oe
C824
R909
JS901
sRoPW
DIO.
| 155133
c901
R910
102», | 1SSt33.
C902
R912
sa
Pins, 1535
903
R913
CSA6.OOMGU
i"
904,»
1SSt33
C904
R914
il
R928
LC866112B
ae
Ab
85153
c905
R915
t
330
O06,
| 1581.33
c906
R916
re
aa ws
FRONT CONTROL
cE
:
eA
C907
R917
33P
3xP
.
a
ac ONNESEE
Pin
bel Pio
c908
R918
5VA
HK :
pa
lol Pps
c909
R919
Le
"2
ae
Se
| ane
C913 4+ 47U 16)
p
4%
s2|__P7
Pooos Frey
hes | |
ca13
R922
JS901 is defective.
fee B.celedne.
[oped
:
a
=
D.GND
R923
SCAN +/- will not operate.
Rast
:
P
| __{ss]
pa
D.GND
Re24
doe sw] 10K _|
i'
Pp
[et
—es
D.GND
R925
Rr
Tar
a
a
D901
R926
Hl ¢ 4
a
eae
Le
Pane
RC901 is defective.
a)
H+
Deo4
R929
~———
R/C Error.
[|
1 a
|
D905
R930
eq)
a
es
R931
TO OTI-265
5
suena)
LI
is
-
al
Fe
ete
Reso
Hog
ii
$28 3 4382s2
Revo!
2
é
S| {2/2
D908
R941
}-_coaxia, [> oencas J
ernest fe] >
Beas ana A BE
RECEIVE 77 "
0808
neg
5V_0
[eI
Y
IC90t
RC9O1
SYD
$
Ic902
swgot
HOVoR
<n
J
4801
sw902
GaN
ts
J802
Sw905
LC.
J803
W904
N.C.
a
xvii
Garce ee
J804
Sw905
3.3VaM___|t~4
JS901
SWw906
[__3.3v.m
[12]
ieso1
FROM
L802
SW907
3.3V
3
<i :
BA3308
POWER
902
SW908
[__S¥STEM_Sw i
aaa
lis
a
MIC
LED9O1
$w909
2.8
wre
315 (2 |. Als|slel
lB
P9501
Swoto
A-MUTE
|e} —>—A.MUTE_
ELIA Rid | atal sie
P9901
Swott
av
17
SIS JeJFlslBlsl<jQpa
By
'8
80!
P9902
Sw912
P9903
Sw913
Cee)
"ce
rouse Bis
ae
P9904
Swot 4
.
j20;-—
+
peo a
nae
F
ite
9902
yR602
BIRO
fs]
PwR_CTL
5
oe
|
cas
are
a0!
VREOS
a
a
i
ss
ip
R03
70801
=
Bs
aK
R
Sti,
inet
==
R804
70802
4
'
R805
ZD803
chee
ant
SSS
ooo ee ee
tox SS100uU/16y
Gott
R807
ZD804
aoe
sae
ral
Wee
WREQ_
so
a
=>
=
Rett
70901
Jt0
Jone
F802
CFIO6BTH101
cato
suffer B18
7
3.
ca24
Reig
i=
1OU/IBV
3.9K
R817
=
3
Ke
4
AM
1.5K
8
=
1803,
on
eo
F803
ue
a
ee
MIC
ON
'L'
3
cl
Rg
8
'00 01.17 R10540A
&
D'SCHEMATIC DIGITRON & KEY
A
B
€
D
E
F
G
H
I
J
K
L
M
N
0
P
Q
3-32
3-33
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