Text preview for : A14s3m.pdf part of panasonic A14s3m panasonic TV TC-14S3M A14s3m.pdf
Back to : A14s3m.pdf | Home
TC-21/14S3M Service Manual
Safety
Service Support
Specifications Service and repair of
Block Diagrams
this product is
Parts List supported by
Panasonic's LUCI
Service interface.
Information
Adjustments This interface provides a
link between the TV and
Schematic Diagrams a standard PC to allow a
Self Check
number of diagnostic
and control functions to
Service Hints be performed.
Mechanical
View For more details contact
your local Panasonic
Disassembly company.
Location of PCB Views
Controls
Waveforms BACK
Video / Audio Control
BACK
E - PCB Y - PCB E - Schematic Y - Schematic
BACK BACK
25'(5 12 60
6HUYLFH 0DQXDO
&RORXU 7HOHYLVLRQ
7& 60
7& 60
= &KDVVLV
6SHFLILFDWLRQV
,QIRUPDWLRQ LQ EUDFNHWV ^`UHIHU WR 7& 60 3LFWXUH 7XEH $()6; FP 9
^$($&; FP 9 `
3RZHU 6RXUFH 9 $& +] PHDVXUHG GLDJRQDOO\
3RZHU &RQVXPSWLRQ : ^:` $XGLR 2XWSXW
6SHDNHU : 0XVLF 3RZHU
9LGHR $XGLR ,PSHGDQFH
7HUPLQDOV
+HDGSKRQH ,PSHGDQFH
$9 ,1 9LGHR SLQ 9 S S
$XGLR SLQ P9 UPV N
5*% SLQ $FFHVVRULHV VXSSOLHG [ %1& WR SLQ (XUR
$9 287 9LGHR SLQ 9 S S FRQQHFWRU FDEOH
$XGLR SLQ P9 UPV N
5&$ ,1 9LGHR 9 S S 'LPHQVLRQV
+HLJKW PP ^PP`
5&$ ,1 $XGLR P9 UPV .
:LGWK PP ^PP`
'HSWK PP ^PP`
+LJK 9ROWDJH N9 N9 N9
^N9 N9 N9`
]HUR EHDP FXUUHQW 1HW :HLJKW NJ ^NJ`
6SHFLILFDWLRQV DUH VXEMHFW WR FKDQJH ZLWKRXW QRWLFH
:HLJKW DQG GLPHQVLRQV VKRZQ DUH DSSUR[LPDWH
,03257$17
7KLV UHFHLYHU XVHV D +27 FKDVVLV DIWHU VHUYLFH SOHDVH HQVXUH WKDW WKH FKDVVLV LV UHWXUQHG WR LWV FRUUHFW SRVLWLRQ
3DUWLFXODU FDUH EHLQJ WDNHQ WR WKH SRVLWLRQ RI WKH FXVWRPHU FRQWUROV
)DLOXUH WR GR VR FRXOG HQGDQJHU FXVWRPHU VDIHW\
3DQDVRQLF &6 8. /WG
:,//28*+%< 52$'
%5$&.1(//
%(5.6
5* )7
7& 607& 60
&217(176
6DIHW\ 3UHFDXWLRQV
6HUYLFH +LQWV
$OLJQPHQW 6HWWLQJV
$GMXVWPHQW 3URFHGXUH
6HOI &KHFN
:DYHIRUP 3DWWHUQ 7DEOH
%ORFN 'LDJUDPV
3DUWV /RFDWLRQ
5HSODFHPHQW 3DUWV /LVW
&RQGXFWRU 9LHZV
6FKHPDWLF 'LDJUDPV
6$)(7< 35(&$87,216
*(1(5$/ *8,'( /,1(6
,W LV DGYLVDEOH WR LQVHUW DQ LVRODWLRQ WUDQVIRUPHU LQ WKH $& &KHFN HDFK H[SRVHG 0HWDOOLF SDUW DQG FKHFN WKH YROWDJH
VXSSO\ EHIRUH VHUYLFLQJ D KRW FKDVVLV DW HDFK SRLQW
:KHQ VHUYLFLQJ REVHUYH WKH RULJLQDO OHDG GUHVV LQ WKH 5HYHUVH WKH $& SOXJ DW WKH RXWOHW DQG UHSHDW HDFK RI WKH
KLJK YROWDJH FLUFXLWV ,I D VKRUW FLUFXLW LV IRXQG UHSODFH DOO DERYH PHDVXUHPHQWV
SDUWV ZKLFK KDYH EHHQ RYHUKHDWHG RU GDPDJHG E\ WKH
7KH SRWHQWLDO DW DQ\ SRLQW VKRXOG QRW H[FHHG 9UPV
VKRUW FLUFXLW
,Q FDVH D PHDVXUHPHQW LV RXWVLGH WKH OLPLWV VSHFLILHG
$IWHU VHUYLFLQJ VHH WKDW DOO WKH SURWHFWLYH GHYLFHV VXFK DV WKHUH LV D SRVVLELOLW\ RI D VKRFN KD]DUG DQG WKH UHFHLYHU
LQVXODWLRQ EDUULHUV LQVXODWLRQ SDSHUV VKLHOGV DQG VKRXOG EH UHSDLUHG DQG UHFKHFNHG EHIRUH LW LV UHWXUQHG
LVRODWLRQ 5 & FRPELQDWLRQV DUH FRUUHFWO\ LQVWDOOHG WR WKH FXVWRPHU
:KHQ WKH UHFHLYHU LV QRW EHLQJ XVHG IRU D ORQJ SHULRG RI +27 &+(&. &,5&8,7
WLPH XQSOXJ WKH SRZHU FRUG IURP WKH $& RXWOHW
3RWHQWLDOV DV KLJK DV N9 ^N9` DUH SUHVHQW ZKHQ WKLV
UHFHLYHU LV LQ RSHUDWLRQ 2SHUDWLRQ RI WKH UHFHLYHU ZLWKRXW
WKH UHDU FRYHU LQYROYHV WKH GDQJHU RI D VKRFN KD]DUG IURP $& 92/70(7(5
WKH UHFHLYHU SRZHU VXSSO\ 6HUYLFLQJ VKRXOG QRW EH
DWWHPSWHG E\ DQ\RQH ZKR LV QRW IDPLOLDU ZLWK WKH
SUHFDXWLRQV QHFHVVDU\ ZKHQ ZRUNLQJ RQ KLJK YROWDJH
HTXLSPHQW $OZD\V GLVFKDUJH WKH DQRGH RI WKH SLFWXUH WR
WKH FKDVVLV EHIRUH KDQGOLQJ WKH WXEH 72 ,167580(17
6
$IWHU VHUYLFLQJ PDNH WKH IROORZLQJ OHDNDJH FXUUHQW (;326('
FKHFNV WR SUHYHQW WKH FXVWRPHU IURP EHLQJ H[SRVHG WR 0(7$//,& 3$576
:DWHU 3LSH
VKRFN KD]DUGV (DUWK
. RKP :
/($.$*( &855(17 &2/' &+(&.
8QSOXJ WKH $& FRUG DQG FRQQHFW D MXPSHU EHWZHHQ WKH )LJ
WZR SURQJV RI WKH SOXJ
; 5$',$7,21 :$51,1*
7XUQ RQ WKH UHFHLYHU
V SRZHU VZLWFK
0HDVXUH WKH UHVLVWDQFH YDOXH ZLWK DQ RKPPHWHU 7KH SRWHQWLDO VRXUFHV RI ; 5DGLDWLRQ LQ 79 VHWV DUH WKH
EHWZHHQ WKH MXPSHUHG $& SOXJ DQG HDFK H[SRVHG KLJK YROWDJH VHFWLRQ DQG WKH SLFWXUH WXEH
PHWDOOLF FDELQHW SDUW RQ WKH UHFHLYHU VXFK DV VFUHZ :KHQ XVLQJ D SLFWXUH WXEH WHVW MLJ IRU VHUYLFH HQVXUH WKDW
KHDGV DHULDOV FRQQHFWRUV FRQWURO VKDIWV HWF :KHQ WKH WKH MLJ LV FDSDEOH RI KDQGOLQJ N9 ^N9` ZLWKRXW
H[SRVHG PHWDOOLF SDUW KDV D UHWXUQ SDWK WR WKH FKDVVLV WKH FDXVLQJ ; 5DGLDWLRQ
UHDGLQJ VKRXOG EH EHWZHHQ 0 RKP DQG 0 RKP
:KHQ WKH H[SRVHG PHWDO GRHV QRW KDYH D UHWXUQ SDWK WR 127( ,W LV LPSRUWDQW WR XVH DQ DFFXUDWH SHULRGLFDOO\ FDOLEUDWHG
WKH FKDVVLV WKH UHDGLQJ PXVW EH LQILQLWH KLJK YROWDJH PHWHU
/($.$*( &855(17 +27 &+(&. 6HW WKH EULJKWQHVV WR PLQLPXP
0HDVXUH WKH KLJK YROWDJH 7KH PHWHU VKRXOG LQGLFDWH
3OXJ WKH $& FRUG GLUHFWO\ LQWR WKH $& RXWOHW 'R QRW XVH
N9 N9 ^N9 N9 N9` LI WKH PHWHU
DQ LVRODWLRQ WUDQVIRUPHU IRU WKLV FKHFN
LQGLFDWLRQ LV RXW RI WROHUDQFH LPPHGLDWH VHUYLFH DQG
&RQQHFW D N : UHVLVWRU LQ VHULHV ZLWK DQ H[SRVHG FRUUHFWLRQ LV UHTXLUHG WR SUHYHQW WKH SRVVLELOLW\ RI
PHWDOOLF SDUW RQ WKH UHFHLYHU DQG DQ HDUWK VXFK DV D ZDWHU SUHPDWXUH FRPSRQHQW IDLOXUH
SLSH
7R SUHYHQW DQ\ ; 5DGLDWLRQ SRVVLELOLW\ LW LV HVVHQWLDO WR
8VH DQ $& YROWPHWHU ZLWK KLJK LPSHGDQFH WR PHDVXUH XVH WKH VSHFLILHG WXEH
WKH SRWHQWLDO DFURVV WKH UHVLVWRU
7& 607& 60
6(59,&( +,176
+2: 72 5(029( 7+( 5($5 &29(5
5HPRYH WKH VFUHZV $ DV VKRZQ LQ )LJ)LJ
6FUHZ
)LJ
6FUHZV $
)LJ
+2: 72 029( 7+( &+$66,6 ,172 7+( 6(59,&( 326,7,21
+ROG DQG OLIW WKH UHDU RI WKH ( 3&% FKDVVLV DQG JHQWO\ SXOO WKH FKDVVLV WRZDUG \RX
5HOHDVH WKH UHVSHFWLYH ZLULQJ FOLSV DQG URWDWH WKH FKDVVLV FORFNZLVH PRYLQJ WKH (+7 OHDG DURXQG WKH OHIW VLGH RI WKH &57
QHFN
6OLGH WKH ORZHU HGJH RI WKH FKDVVLV LQWR WKH SRZHU FDEOH KROGHU FDVH ZKLOVW VOLGLQJ WKH XSSHU HGJH RI WKH ERDUG LQWR WKH
FKDVVLV KROGLQJ EORFN
$IWHU VHUYLFLQJ HQVXUH DOO ZLULQJ LV UHWXUQHG WR LWV RULJLQDO SRVLWLRQ EHIRUH UHWXUQLQJ WKH UHFHLYHU WR WKH FXVWRPHU
&KDVVLV
KROGLQJ
EORFN
&DELQHW
3&%
&DELQHW
)RFXV
6FUHHQ
3RZHU FDEOH ( 3&%
KROGHU FDVH
)LJ
7& 607& 60
$/,*10(17 6(77,1*6
7R DFFHVV 6HUYLFH 0RGH FRQQHFW 6HUYLFH 3DFN 3DUW 1R 06. DQG XVLQJ D = 5HPRWH &RQWURO
3UHVV WKH 2II 7LPHU EXWWRQ RQ WKH UHPRWH FRQWURO DQG DW WKH VDPH WLPH SUHVV WKH 9 GRZQ EXWWRQ RQ WKH FXVWRPHU FRQWUROV
DW WKH IURQW RI WKH 79 WKLV ZLOO SODFH WKH 79 LQWR 6HUYLFH 0RGH
3UHVV WKH