Service manual
Table Of Contents
R04tRO~
Colo.,.
contT'ol
'Ro~
'fen:
COLOR
VR
does not
functlon.
Rot.R02
.
R03
Tint
c.chhol
'ROI
open}
.
L.~_
I •
red
IJ<;YJIY\4t s
'ROl!fen .
,,"Q~entct
ROb.
RO'7.KD&
Cmb-a.st
CDhtrcl
'Ro'!
open
;VR
does
hot
functiol\
when
c.ontrast
is
stT'O~
RO'i.RIO
_.----,
BI'!eaer
'rl!~istlln(e
'RO~
'fen:
no
raster
·RIO
epe"
: scree", becomes
abnOT"lhllily
bT'i~ht.
-RII.RIZ.RI3
----,
B"r
i':}ht
c..Jntto\
•
RII
opel\:screen
beCDmes
s\;~htly
do;rk.
'R13
open
:BRICX:HT
VR
does
not
func.tion.
;~:~~~~=i<C~O~L~O~R~):~~~C~O~N~T~)
~~~~.~r-~--~--
__
~
3
~~~
~
RC4
\ ROa
R09
~~K
/
('-V-CL-U-M-E)
IOK8
5.6K
470
(8RIGHT)
3
RI6
CONTROL
RK-
,RIS"
----------.
V.
Hol<l
control
. Rlf
ore"
: when
1/.
HOLD
VR
is
turned to ""'(lX, vert\cal
oscillatio n
beco/lll$
minimlAIn (approl(.
3cm)
Rib.
R2~
-----,
H.
Posit;Oh cllrltrol
I
~
"'-R03
R02
IOK8
RI2
IOK8
Rt4
6.8K
5008
l'-~H
·Rlb
Q)open:
f~L4ltl
hoYizDr
10.1
sy'f\c.
B2K
(TI
N r )
(V
.
HOLD)
R23
1.51<
1l
I ,
R2:
4.7K
Ria
~
ISU88R
I
GHTI
1.8K
RI9
::~
____________________
~/~
________
-+
__
2_._2_K~
RZO
470
12V
.GE-4000A
I
I
I
,
R21
2.:"1(
CONTROL:J
CB
'.
A'SSY .
~
:
L
__
R22.
'K23
-
.....
1-.....
Su.b
byi<j.hl:
c:.onhol
R23~:no
raster
-
R\~.Rlq,
R20.R2\
---'-....,
Bleeder
're<>istarlce
•
F:
\~
ope;,}
screen
bec.omes
.
P.l'1
open
;sli~htll
da.rk.
'R20
o~n
: coloy is
faint.
·R2.1
0Fn.:
screen becomeS
sli~.htl)'
bri~ht.
CIRCUIT NOTES
Although specifically written
on
the
1701
monitor. most circuit theories
apply
to
the
1702
also. Refer to the
1702
achematic
for
differences
in
com-
ponent values
and
identification.
13