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"R65D,C651
1hp'4
to
'n!s~s
tClttce
unci condehser
C6~2
, . - - "R(,!)!
,R6S2
Bias
l'eSisto.hCe.
·open:
sound
levei
becc lY\es
h
i'jh
F
R6IS
-
~ n!Si~l1lnce ~
C6~D
Noise ab-;orb
·shot"t
:hO SOUI\Q
I
-
I
. - - - - R607,
C60q - - - - ,
N~t;ve
teed
ha.ck
'resistClhce
(.612.
DC
c.u.t
cOhde.I'ISIt.'f"
. open:
sound level becomes
hi~h
Boc~;,
conde.nser
~6DS',c608
Coupli~ TeSls~n~
and cOhdenser'
'F-bOS" O~}
·c.oo&
open
:no sound.
•
II
shari
.c?~n
: no souhd
ColO
- - - r
Couriil\l
cohd~sel'"
'opel"' : no ')ound
T602 - -......
Audio
ou~~-t tT"(lhsf.
·open:
no
sound
"Rbi
1 ------,
BillS Y~stl1l\ce
·o~:
1"\0
Sl!l.Incl
1)601 - - - ,
L.Ft diode
·open: sound !eve
I
becomes low
R607
ISOK
\
C609
.015 200V MY
-
C60S
.OI5MY
\C610
..--;---;-""Arr--;
i--+---+-----"W'r-i
.
4
7150
8 P
R617
470K
R615
47K..l.-
~606
.018MY
R603
~
68
~
~R61a
1"
iaOK
R6J2 ~
2.2K
RG04
IK
\
IC601
HAIII07l
AUDIO
"R6D2, R604
R608
220K
R609
6.8K
(V
X601-
R610
. . . . . . . .
560
L7
~
"='"
-,
GC:- 4000A
--1
r
(M.\8
FR6011
(J
(00
I
112FRI
I
I
t
+
l
C613
.
14.711601
I
or
R61'T. Rbl8 - - - ,
Outfl4t
voH-C\~e
di"idih~ rec;istc~hce
.J
101l6~
fa
81 IIOV
,...---
c6ob~-
....
R603,C60S"
Filter
"Dc.
'Input
condense.r
CbI4.C6IS
-------"1
Noise
absorb
To,,~ ~uQ.lj
ty
c.orrection
. short:
Y\.O
SCUtlQ
'R603
cpen
:no sound
·R{,o2 open:sound level becomes
hi~.
VR
does
hot
function.
'RbD4 (lpen: sound Ie. vel
becomes 10 w
.
. (;614
short:
soul'\d level becomes
hiljh.
VR
does
hot
fundio/\.
.c
bll,;
~rt: sound
ic.;
not Cl",dible
unless VR is
"turned
at
least ho.lf
way.
AUDIO CIRCUIT
XboZ .X603 -------.,
Audio out
·open:sound level becomes
low
and lacks bass.
R613. R614
---~
BOola
t\c~
fesistllnc.e
• open: sound leve.l beComes
low
and lacks bass
;<601----.
AudIO
c!ri
ve
·open
~:
1\0
$Qohd
·short
1
FR601. cbi3 - - - ,
FilteY'
. FF-(,o\ open:
noSouM
CIRCUIT NOTES
Although specifically 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.
10
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