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Rial
150
r - - - )(
3
~2
- - - - ,
Buffer
-ope.n ; no color
: eo
0""
is
.©~short}
I
.
-@-®shart.
fuint
C202 - - - - - ,
For sync.
"",pli
fie ....
em
Itt~r .5
)"nOoth
i~
-ope
It
~
fa.
u
It)'
sync.
-
R2.oI,R202,C2o3
Sync.
sera
n~tor
• !?ZOZ.
cplU\
:
fa~lt)'
I
Dc,Rh~:~
I
C2 \ I ---'-""'; C2.o4
Br-~ss
Ac. couplil1'}
condenser
-DL20I, R204
t>e.lQ.y of !u.tooi/1C1.l"\ce sitahGtI
~"ct
Lo(\ct
yesi~ tlU1C~
-t>l2o\
cp~n.
: no
pktel
~
"
snort:
~hostin~
- R204 0f~t\ ~ Sc~en bq.col"neS~~~9.ht I
VIDEO CIRCUIT
-$hort : f""dtr sr(\~·
~ln'I\"tc!'Y t;~
-
cansiaht
. In" \
Ope"
J
,C203
ope".
Sr
t1
c..
.c.2.o3c;hort
I
- J .
.&
It
'open:I"lO
picfClre
-snun.:
Ill"
r
synchTohitat;on -ShoTt. :1"10
Y/1s1e
r
L204
~-------~
F're<t."Eh?
chl1
yo.
¢teris
tic.
13.6V
X352
r--
R - 2 - O - 1
---';"'--~-lL
201
ISOK
820
2SC16S5 ,2SCISI5(Y,GR)
6V
BUFFER
R202
t.aK
R353
82
XIOI
2SCI685,2SCI959(Y)
CIOI
RI02
VIDEO AMP
470/6.3
150
RI03
390
RI04
2 .2K
-
-
~/=
CI02
T
~331
6.3
-
16VP-p
(VI
14V
C351
'---1 .4-V-P-'p--' 101 16
~U'
II
~
~
X351
I
C251
:=47/16
~
r--+--~--+---~
/
,IC20J
/
R207 L
203
/
HAI1401
6.aK
270
VI DEO
a
SYNC /
SEPAl /
R250
R251
10K
10K
OV
'- _ _ (e) .....
_T_1¥12_4 .....
2' - ""SCL.C.:.....16-""..S' - ' - 5_. 2_S_C......;I,--
8I5_{ Y--,' IGR)
.l. /
BUFFER
/
.
---- X\O\
--~-~
Vic!eo amp.
·ope".
}
-®~
short :"0 pic.tl4re
-@-@
short
-@
-e
S~ort:
Screen is
dl1Tk
X351 ---':""'"
Buffer
~;~:
shoTt }:no
c.olor
·~-~short
-@~
shert
:
color
is
faint
C20\ ----'---,
f\.c.
co~pl;F\~
-open
:
110
pidl.(re
·short
:
tal.\\ \
r
synchroniZPot;on
r - - - - -
C
205" -'---,
Differehti~1
(aperture compensation:
'mllinly preshooti
j'~)
·open :
imo.~t
is shu rp
·short: screen
;,5
do.:rk.
Differentca.l
(aperture
CClnP'!n~tion:
lno.inly
overshcotin~)
.~o'7
ope" }
.<;2O'Topen
:
jma~e
is
- "short
soft
/
T
C211
270
-
I
/'i:5_
~
'2C]~
DL201
,.....A.,f\IIr+--tlI--+-J
I
R2
r
4
R203
2. K
IBK
C 20 4
""T""...L
\ /
3.3/50BP -:::-
/ ,
COy~<:.t;ol"l.
-open. : imo.,e
is
soft
R206 - - - ,
S.,.Al\kir1 pu.lse
i" "";;.
lesistQnce
-open :dark piduR
CIRCUIT
NOTES,
Although specifically
written
on
the
170 1 monitor, most circuit theorlea
apply to the 1702 alao. Refer
to the
1702 schematic for differences In
c0m-
ponent values and IdentlflQatlon.
R206/
I
r-__
~
__
~
____
~3A·3~K
____
~~
R210
!
330
270 _ _ - -
R209
SUS
'"I
I K
CONTRA~
I
X250
-
,.-___ 2SCISI5 (Y,GR)
SWITCHER
T201
3.S8MH Z TRfo?
6Vp.p
rvL
(HI
X202
--------------~
Vide.o
a,mo.
I
-
R2.IO
Men
l
·R 2.1'
O~i'\
j
:
l"(Q
ra.ster
"R2t2
c~"-
} rIO
pldu.~
·x20Z
~:HI>skt:
:s...-reen is Ilbnortnally
~-0ShCft
hri'3ht I»"Id
flybaCk
@-®Short
t
line
Cll'pears_
• X202
ODefl
: no
YQS
ter
I
R2.0~
.R2.0'/,
R223,c2/o - - - - ,
Emitter
';)(as
and
freb'.H?hC;.
chlll""cteristic con-ec. tiot\.
• Rloe
OP"'h}
.
'
C210 shOTt
:no
p,ctl\~
HA/l401
TROUBLE" SYMPTOM
DF
PRESIJME ...
X2~D
-----..,
Switche.r
·©-@short:color error
'@ -@
short: sc reel'l
b~cctneS
briqht and
vertical stripes
T201 - - - - - . ,
3 .SRMHt
tro..p
co\1
-Optm. no pic tl4Te
-shoTt:
3.!;RMliz
trap
dot interference
-110
Tas.ter
.
no
Sound
.ho picture
-sc.reen is too
Fn'i~h
t
• SCree.n is
dark
'multI sync.
. raster is
brl~ht
Clhd
flyback line
ar~Qy".s
•
\ma~e ~ua.\;ty is
un
sa.
tis-Factory
I
9
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