Service manual

HORIZONTAL OUTPUT CIRCUIT
xo1
r\orizonto.\ outpu.t
-open:
1"0 y~ste.'r
hO sound
C$12,C~J3,CSI4
C 530,C.531
~ LS02,RSZ8
I HOl"iZDnta\ linearity
Ic.orrect ion coi I a.nd
Ido.mpil'\~ resistor
,.--- R~6,Rs-17 ---,
For beam limiter detection
:- cSlq I R~26,cS-20
;
Sh'\ooth ..... ~
T 5"0 \ ------,
\-\or il.O""o. \ dyive 1vo.nsf.
. open. 1- 1'10 yA steY"
L rt . no SOU Y\d.
'sno
r--- COl -----.,
"Prevention of unwll"\,ted
,(Cldio:tion
Resohance condenser
for FBT
· opel'\ :horizonta\ width
is small
.\. Lt:102 op~n: sin<;Jle
vertical lin~
·optn.: scree" becomes
$\i~h'tly d~rk
'R~26 Of'eh :screen becomes
dQ.l"k
IMl
I< 5"10 , c. 1;"0 9
)(S"O\ collector pulse
clipper(for protection)
(H)
C51: CSl4
ISOO 1500
1.5KV 1.5KV
MPP MFP
MPP
C530
C512 I I J. I 510
1500 - - - - I 5KV
1.
5KV
T TTTT .
MPP ,
I
I
1/160 +
T502
F8T
[,oii~----~T-i}---'--</<H'V II
I II I I
ct;24,R~20.R~21 ---,
roY" tllkl~ off H.BLK puke
. C~4 O~I'\: top ric;}ht of
screen is tnissih~
. RS20 open : tol' laft of .
scree'" is tniSS\n~
6 ii i - -;- - _L.........r~.....;.-/-_-'I_~
II I 'I
RS26
7
II IK 1125 ~
II I +I 12V
II I C520~
:I ) lISOI
C531
IS~~/
il ~8P~
"-+-~--++--."""'--1 I-----'M
I R520 R521
'~f
,..--- RSII --..<:....-,
l1orlz.ot\tal dyive colledor
'010.5 supply a ",c\ fi Itey
·open: no "(~stey
hO sound
C511
+147/160
.R511 •
6.aK, 5.6K or 4.2 K
(S.2KK'S,2K PARALLEL>
ct;ll
S""oo\hi~
.open : ext~nc!s Up Qhd
dow/'\ 5ii~ht{y
cS"23 , D~07. RS2~
Hori~ohto.l lihellrity
(.Onec ti on
1./
CSI5 ----.,
S-clArve correction
.oren: sin~le vet'tica.\
line .
• c:. S2 3 shorf; dl'ifts to ri~ht
/
0507. 10K
V09·E I 112
•
050:\
HF·I RF·I
or UF·2
1-- _2
,----- 1) 5" 03 ----,
BH volto.de reet; fica.r;on
.open : screen bec.omes
o.bnormt4\1r 'oT'~ht
o.hd rlyba.ck \;he
o.ppeays.
I' 5.6K 1/25 39K
II ,,---<.J...., .
,I
II
II
I II
L ___ 3
I RI I
r--....l.-- R S 14 ---....,
roy vertical lineqyity
correction
.o~n : hoyiz.ontal w;dth
is slishtly smo.lL
16V
0504
UF--2
RGB-IOG
VI9E
RS ·1
RF·I
,..--'--- L 5"04 --
CRT "eo-ter applied
pulse value adj~stmet\t ·
.upen : no 'raster
RS22. £> ~o4 ----,
Bl.(I'2.v) n~ctif;er and
protec.ts DI:;04- nOh' • .
'rtAsh cu.ne'nt
·open }. no r a.ster
·short . 'nO si:lund
CIRCUIT NOTES
Although speciflcaHy written on the
170 1 monitor. most circuit theories
apply to the
1702 also. Refer to the
1702 schematic for differences in com-
ponent values and identification.
15