Service Manual
3DJH
(OHFWULFDO 6\VWHP 7ZLVWHUZ
,03257$17 %HIRUH FOHDQLQJ WKH EDWWHU\ WDSH RU
EORFN WKH YHQW KROHV WR WKH ILOOHU FDSV DQG PDNH VXUH
WKH FDSV DUH RQ WLJKWO\
& &KHFN IRU VLJQV RI ZHWQHVV RU OHDNDJH RQ WKH WRS
RI WKH EDWWHU\ ZKLFK PLJKW LQGLFDWH D ORRVH RU PLV
VLQJ ILOOHU FDS RYHUFKDUJLQJ ORRVH WHUPLQDO SRVW RU
RYHUILOOLQJ $OVR FKHFN WKH EDWWHU\ FDVH IRU GLUW DQG
RLO &OHDQ WKH EDWWHU\ ZLWK D VROXWLRQ RI EDNLQJ VRGD
DQG ZDWHU WKHQ ULQVH LW ZLWK FOHDQ ZDWHU
' &KHFN WKDW WKH FRYHU VHDO LV QRW EURNHQ DZD\
5HSODFH WKH EDWWHU\ LI WKH VHDO LV EURNHQ RU OHDNLQJ
( &KHFN WKH HOHFWURO\WH OHYHO LQ HDFK FHOO ,I WKH OHY
HO LV EHORZ WKH WRSV RI WKH SODWHV LQ DQ\ FHOO ILOO DOO
FHOOV ZLWK GLVWLOOHG ZDWHU WR WKH ERWWRP RI WKH FDS
WXEHV RU ILOO OLQH &KDUJH DW WR DPSV IRU
PLQXWHV WR DOORZ VXIILFLHQW PL[LQJ RI WKH HOHFWURO\WH
&RQGXFW D K\GURPHWHU WHVW RI WKH EDWWHU\ HOHFWURO\WH
,03257$17 0DNH VXUH WKH DUHD DURXQG WKH FHOOV LV
FOHDQ EHIRUH RSHQLQJ WKH EDWWHU\ FDSV
$ 0HDVXUH WKH VSHFLILF JUDYLW\ RI HDFK FHOO ZLWK D
K\GURPHWHU 'UDZ HOHFWURO\WH LQ DQG RXW RI WKH
K\GURPHWHU EDUUHO SULRU WR WDNLQJ D UHDGLQJ WR ZDUP
XSWKHK\GURPHWHU$WWKHVDPHWLPHWDNHWKHWHP
SHUDWXUH RI WKH FHOO
% 7HPSHUDWXUH FRUUHFW HDFK FHOO UHDGLQJ )RU HDFK
E)E& DERYH E) E& DGG WR WKH
VSHFLILF JUDYLW\ UHDGLQJ )RU HDFK E)E& EH
ORZ E) E& VXEWUDFW IURP WKH VSHFLILF
JUDYLW\ UHDGLQJ
([DPSOH &HOO 7HPSHUDWXUH E)
&HOO *UDYLW\
$'' E DERYH E)
&RUUHFWLRQWRE)
& ,I WKH GLIIHUHQFH EHWZHHQ WKH KLJKHVW DQG ORZHVW
FHOO VSHFLILF JUDYLW\ LV RU JUHDWHU RU WKH ORZHVW
FHOO VSHFLILF JUDYLW\ LV OHVV WKDQ FKDUJH WKH
EDWWHU\ &KDUJH DW WKH UHFRPPHQGHG UDWH DQG WLPH
JLYHQ LQ &KDUJLQJ RU XQWLO DOO FHOOV VSHFLILF JUDYLW\ LV
RU JUHDWHU ZLWK WKH GLIIHUHQFH LQ VSHFLILF JUDY
LW\ EHWZHHQ WKH KLJKHVW DQG ORZHVW FHOO OHVV WKDQ
,I WKHVH FKDUJLQJ FRQGLWLRQV FDQ QRW EH PHW
UHSODFH WKH EDWWHU\
3HUIRUP D KLJKGLVFKDUJH WHVW ZLWK DQ DGMXVWDEOH
ORDG WHVWHU
7KLV LV RQH RI WKH PRVW UHOLDEOH PHDQV RI WHVWLQJ D EDWWHU\
DV LW VLPXODWHV WKH FROGFUDQNLQJ WHVW $ FRPPHUFLDO EDW
WHU\ ORDG WHVWHU LV UHTXLUHG WR SHUIRUP WKLV WHVW
&$87,21
)ROORZ WKH PDQXIDFWXUHU·V LQVWUXFWLRQV ZKHQ XV
LQJ D EDWWHU\ WHVWHU
$ &KHFN WKH YROWDJH DFURVV WKH EDWWHU\ WHUPLQDOV
SULRU WR WHVWLQJ WKH EDWWHU\ ,I WKH YROWDJH LV OHVV WKDQ
9'& UHFKDUJH WKH EDWWHU\
% ,I WKH EDWWHU\ KDV EHHQ FKDUJHG DSSO\ D DPS
ORDG IRU VHFRQGV WR UHPRYH WKH VXUIDFH FKDUJH
8VH D EDWWHU\ ORDG WHVWHU IROORZLQJ WKH PDQXIDFWXU
HUV· LQVWUXFWLRQV
& 0DNH VXUH WKH EDWWHU\ WHUPLQDOV DUH IUHH RI FRUUR
VLRQ
' 0HDVXUH WKH WHPSHUDWXUH RI WKH FHQWHU FHOO
( &RQQHFW D EDWWHU\ ORDG WHVWHU WR WKH EDWWHU\ WHU
PLQDOV IROORZLQJ WKH PDQXIDFWXUHUV· LQVWUXF
WLRQV &RQQHFW D GLJLWDO PXOWLPHWHU WR WKH EDWWHU\
WHUPLQDOV
) $SSO\ D WHVW ORDG RI RQH KDOI WKH &UDQNLQJ 3HUIRU
PDQFH VHH %DWWHU\ 6SHFLILFDWLRQV UDWLQJ RI WKH EDW
WHU\ IRU VHFRQGV
* 7DNH D YROWDJH UHDGLQJ DW VHFRQGV WKHQ UH
PRYH WKH ORDG
+ 8VLQJ WKH WDEOH EHORZ GHWHUPLQH WKH PLQLPXP
YROWDJH IRU WKH FHOO WHPSHUDWXUH UHDGLQJ
0LQLPXP
9ROWDJH
%DWWHU\ (OHFWURO\WH
7HPSHUDWXUH
E) DQG XS E&DQGXS
E) E&
E) E&
E) E&
E) E&
E) E&
E) E&
E) E&