Sharp 28JS-74SS Service Manual page 42

28JS-74S
&KHFN 9 &  4 
DQG SHULSKHUDO SDUWV
1R
&KHFN ,& ,&
,& DQG SHULSKHUDO SDUWV
<HV
5HIHU WR ',*,7$/ 02'8/(
WURXEOHVKRRWLQJ WDEOH
*In the original situation (with the Digital Module assembled) this value is 1.8V.
7+( 79 6(7 '2(6 127 67$57 83
5HPRYH 'LJ 0RGXOH
DQG FKDQJH 3RZHU 6XSSO\
FRQGLWLRQ IURP VWDQGE\
WR RSHUDWLRQ VKRUWFLUFXLW
<HV
$UH
1R
WKHUH 9 LQ
3LQ RI <$
FRQQHF"
<HV
$UH WKHUH
9 LQ 3LQ <%
9 LQ 3LQ <$
9 LQ 3LQ <$ "
<HV
5HSODFH WKH 'LJLWDO 0RGXOH
E\ D QHZFKHFNHG RQH
,V WKH 79 ZRUNLQJ
SURSHUO\"
,V WKH
<HV
6WHUHR /HG
)ODVKLQJ"
1R
%( RI 4
1R
$UH
WKHUH 9 LQ
&"
&KHFN WKH +RUL] 6WDJH
2XWSXW $PSOLILHU 4 
WKHUH 9 LQ
&"
,V WKH
3RZHU VXSSO\
RVFLOODWLQJ DW 'UDLQ
RI 4"
&KHFN '  '  '
' ' ' DQG '
&KHFN 4  )
DQG )
1R

42
&KHFN WKH ',*,7$/ 02'8/(
WURXEOHVKRRWLQJ WDEOH
$UH
1R
&KHFN 4 3RZHU 6XSSO\
<HV
IXVH ) DQG 3)& FLUFXLW
SRVVLEOH RSHQ UHVLVWRU 
1R
&KHFN 4 4 DQG
SHULSKHUDO SDUWV
<HV