Commodore 1701 - Faulty Parts and Problems; Specific Component Faults

Xo2
"powe.r ye~1I.1 ~tor
.no<>.n : \-0,.; U>nto.\ width
vr - -,s ~\'"I\a.I\
G-© shcrt : '!\O 'roster
'nO 50u.nd
RO\ ----,
"Dlvide'r 'resistor
for pro~ctlh~
LOI
DEG.
COIL
C10l,C\02,C\03 J
fo,- protec.ti ~
Dlol'it:DI04
0101-0(04 ,cI04 ,CIOf(
B1.. rec.tification
and srnoothi I'I~
Rlo4, Rlos
Srnoothi","~
X02
.---- R 103 ---..
l'y~vel'ltlon of excessive
'l'Ifut TO -X \01
..---- XIO\
Reali. \(lto'r d.,.ive
d hol"izorttQ.\ width
• ~n. : .. s s~a."
2SC J tOGA or 2SCI454
~-<D) shan \. _ '110 ~stel'"
·e-® sh.:rt J . no sou ",d
~/.f ... __
POWER REGULATOR
RIOI PTH
r----.,
, I
I
I
I
I I
L ____ .J
0101
..... 0104
ISI8S7A
CI02
.0 I
250 \AC
RI03
4.7
3W
CMF
F901
1.25A
1I1V XIOI
I
FRIOI
.112 r:-'
I FR 1 I
: I I
I I I
1
2SCI890A(E,F)
REGULATOR RI 12
DRIVE S20K
~J
1
RI06
I, ISOK
2 + +
...... .:.-....... L- ...... -JV
I I
RI04
I CIOS RI07
~ ~IOK ~ 10/160 33K
RIOS
47K:t 1·1.
CI04
7
-=-ZW - 0105 'i:XI02 30IK"!:'·I.
~
330/200 OMR RD6.8Ev12SC2688 CMFR
~~3!~~ 200 (K,L,M) ,
.1 = ERROR ~
Red
LOI, COl. C 02
L-Lne f,\te'('
(fo'( ?'(evC\t;n~
1I'''''llnted yadio.tion)
- AMP-
.................
GE-9700A
FUSE PCB ASS'Y
COl
LO I .047 125V
~--~
I == I
N€UTRAL
FOI
4A
125V
HOT
IZOV 50HZ 160HZ
RI;3. C\OR, cqOb
£,(I'or de1ect1on
V()\tQ.~e filter
Rlob ----,
?ror~t;l'I~ XI02
)(102. ------..,
EYTor Il.".,p.
·O?~~1't }. 1\0 r(lst~
'@-<\)short • no SOIolnd
·©-<?)sho,.t: }:hofi:Onfili width
-©+)shol't .S sl\1(lil
f~\OS ----,
Cohee tel" bias
resisro.~ce of X /oZ
'op~!n: 'no raster
no soutHl
R WI ------,
BiQ!> )'esisr~nce
of D IDS"
DIOS
EpaI' volt~e
st"'hc:;{o:rd.
Z'2l1er diod~
F:Z i 0 \ ------,
BOose Ir>put resiSTance
of X/Of
·ope!"', :hQrizontQ! width
;5 small
POWER CIRCUIT
CIRCUIT NOTES
Although speclficaUy written on the
1701 monitor, most circuit theories
apply
to the 1702 also. Refer to the
1702 schematic for differences In com-
ponent values
and Identification.
16