Text preview for : panasonic-tx25md5e-tx28ld1-euro2.zip part of panasonic panasonic-tx25md5e-tx28ld1-euro2 panasonic TV TX-28LD1 panasonic-tx25md5e-tx28ld1-euro2.zip
Back to : panasonic-tx25md5e-tx28ld | Home
Service Manual
Colour Television EURO 2 Chassis
TX-25MD5E
Safety Adjustments Notes
Specifications Self Check
Service Support
Block Diagram(Video)
Service Hints
Block Diagram(Control)
Mechanical View
Block Diagram(Audio)
About....
Disassembly
Location of Controls
Parts List
Waveforms
Service Information
B Schematic
PCB view(B)
GO BACK EXIT
PCB view(E) E Schematic
PCB view(Y) Y Schematic
TH (%$%
&RORXU 7HOHYLVLRQ
7; 0'(
(852 &KDVVLV
6SHFLILFDWLRQV
3RZHU 6RXUFH !! !#W 68 $C 6W! DI Wvqr ! v W &$
6qv ! v $W x
3RZHU &RQVXPSWLRQ (!X
T Wvqr DI ` ) W &$
$HULDO ,PSHGDQFH &$ ihyhprq 8hvhy Ur ! v 8 ) " W &$
5HFHLYLQJ 6\VWHP Q6G 7 BC Q6G %
6W! PVU Wvqr ! v W &$
T@86H 7 B
6qv ! v $W x
5HFHLYLQJ &KDQQHOV WCA @! @ !
6W" DI 6qv S86 !
WCA C
WCA S
C! DU6G`
S!
WCA 6
WCA S"
C DU6G`
S$
$W x
Wvqr S86
WCA S%
86UW T
S !
T$
VCA @!
86UW T
@%(
T H H
W &$
86UW T T! V V 86UW T! T# C`Q@S76I9 +LJK 9ROWDJH !'xW xW h r irh pr
,QWHUPHGLDWH )UHTXHQF\ 3LFWXUH 7XEH %" pW
Wvqr "'(HC rhrq qvhthyy
Tq ""#HC"" %HC
$XGLR 2XWSXW
"!#HC""$HC
Drhy Trhxr ! $ X Hvp Qr
8y "##&HC Q6G
"#%$&HC"#$HC T@86H
' Drqhpr
Crhqur ' Drqhpr
9LGHR $XGLR7HUPLQDOV
6V9DP HPIDUPS PVU 6qvS86 !$W x $FFHVVRULHV VXSSOLHG Srr 8y
VH" 7hr
6W DI Wvqr ! v W &$
6qv ! v $W x 'LPHQVLRQV Crvtu )
Xvqu )
$"
%
SB7 ! v
9ru ) #"(
6W PVU Wvqr ! v W &$
6qv ! v $W x 1HW :HLJKW !$xt
Trpvsvphv hr iwrp puhtr vu vpr
Xrvtu hq qvrv u hr hvhr
7; 0'(
&RQWHQWV
Thsr Qrphv
!
Gphv s 8y "
8uhv Trvpr Qvv #
Trys 8urpx %
6qwr Qprqr %
6yvtr Trvt
&
Xhrs Qhr Uhiyr '
8qp Wvr
(
7ypx 9vhth
"
Tpurhvp 9vhth %
Qh Gphv
(
Sryhprr Qh Gv !
6DIHW\ 3UHFDXWLRQV
*HQHUDO *XLGH /LQHV
D v hqvhiyr vr h vyhv hsr v ur 68 # 8urpx rhpu rrq Hrhyyvp h hq purpx ur yhtr
y irsr rvpvt h u puhv h rhpu v
! Xur rvpvt irr ur vtvhy yrhq qr v ur $ Srrr ur 68 yt h ur yr hq rrh rhpu s ur
uvtu yhtr pvpv Ds h u pvpv v sq ryhpr hyy hir rhrr
h uvpu uhr irr rurhrq qhhtrq i ur
% Uur rvhy h h v uyq rprrq # W
u pvpv
D phr h rhrr v vqr ur yvv rpvsvrq
" 6sr rvpvt rr uh hyy ur rpvr qrvpr pu h urr v h vivyv s h upx uhhq hq ur rprvr
vyhv ihvr vyhv hr uvryq hq uyq ir rhvrq hq rpurpxrq irsr v v rrq
vyhv S 8 pivhv hr prpy vhyyrq ur pr
# Xur ur rprvr v irvt rq s h yt rvq s
vr yt ur r pq s ur 68 yr +27 &+(&. &,5&8,7
$ Qrvhy h uvtu h !( xW hr rr ur uv rprvr
v v rhv Prhv s ur rprvr vu ur rh 68 Wyrr
pr vyr ur qhtr s h upx uhhq s ur
rprvr r y Trvpvt uyq ir
hrrq i hr u v shvyvh vu ur
rphv rprh ur xvt uvtu yhtr
rvr 6yh qvpuhtr ur hqr s ur vpr
ur puhv irsr uhqyvt ur ir
Xhr Qvr
% 6sr rvpvt hxr ur syyvt yrhxhtr pr U Dr
@hu
purpx rr ur pr s irvt rrq rrq
upx uhhq rhyyvp h !F u X
/HDNDJH &XUUHQW &ROG &KHFN Avt
Vyt ur 68 pq hq prp h wr irrr ur ; 5DGLDWLRQ :DUQLQJ
t s ur yt
Uur rvhy pr s Y Shqvhv v UW r hr ur
! U ur rprvr r vpu
uvtu yhtr rpv hq ur vpr ir
" Hrhr ur rvhpr hyr vu h urr
! Xur vt h vpr ir r wvt s rvpr rr uh
irrr ur wrrq 68 yt hq rhpu rrq
ur wvt v phhiyr s uhqyvt !(xW vu phvt
rhyyvp phivr h ur rprvr pu h pr
Y Shqvhv
urhq hrvhy prp py uhs rp Xur ur
rrq rhyyvp h uh h r hu ur puhv ur 127( D v vh r h hpphr rvqvphyy phyvihrq
rhqvt uyq ir irrr #H u hq !H u uvtu yhtr rr
Xur ur rrq rhy qr uhr h r hu
Tr ur ivtur vv
ur puhv ur rhqvt ir vsvvr
/HDNDJH &XUUHQW +RW &KHFN ! Hrhr ur uvtu yhtr Uur rr uyq vqvphr
!'xW xW h r irh pr vs ur rr vqvphv
v s yrhpr vrqvhr rvpr hq prpv v
Qyt ur 68 pq qvrpy v ur 68 yr 9 r
rvrq rr ur vivyv s rhr
h vyhv hsr s uv purpx
pr shvyr
! 8rp h !x u X rv v rvr vu h rrq
" U rr h Y Shqvhv vivyv v v rrvhy
rhyyvp h ur rprvr hq h rhu pu h h hr
r ur rpvsvrq ir
vr
" Vr h 68 yrr vu uvtu vrqhpr rhr
ur rvhy hp ur rv
7; 0'(
6HUYLFH +LQWV
+RZ WR UHPRYH WKH UHDU FRYHU
Srr ur $ svvt pr 6 h u v Avt!
6&5(:6 $
Avt!
/RFDWLRQ 2I &RQWUROV
AP8VT
T8S@@I
Avt"
7; 0'(
+RZ WR PRYH WKH FKDVVLV LQWR WKH 6HUYLFH SRVLWLRQ
Dr s ur ihpxpr pr v ur vi ur yrs uhq vqr s ur phivr h u v Avt#
! Cyq hq yvs ur rh s ur @ Q87 puhv hq try yy ur puhv hq h u v svt$
" Sryrhr ur rrpvr vvt pyv hq hr ur puhv uvhyy utu ( E hv pypxvr u v Avt% ur
ryrhr ur s s ur puhv h u v svt'
# 8yv ur puhv shr ur pr v ur vi s ur phivr u v Avt&'
$ Gphr ur ihr s ur puhv shr v ur rpr hxrq 6 u v Avt'
% 6sr rvpvt rr ur pr hq rr hyy vvt v rrq v vtvhy vv irsr rvt ur rprvr ur
pr
867DI@U
Avt#
QPX@S
TXDU8C
Avt$
Avt%
8C6TTDT AS6H@
QPX@S TXDU8C
Avt& @ 7P6S9
@ 7P6S9
APDG TD9@
7 7P6S9
$ Avt'
7; 0'(
6HUYLFH 0RGH
Uur rr py v rq s rrvt hq vt hqwr vu ur rprv s p ss hqwr uvpu hyh ir qr
v rvpr hqwr Qrs hqwr v hppqhpr vu prr qvyh Uur qvyh ur prr hy rpvsvr ur 88V
hvh h ryy h ur h rvt hyr Uur hqwr rrpr s ur rvpr qr v vqvphrq iry
Tr ur 7h hv vv r ur Uriyr " Qr ur `@GGPX 7GV@ i hyr ur spv
vv vv r ur A i syyrq i ur hyr
Wyr q ur pr py h ur s s ur
# Qr ur TUPS@ i ur rr hry hsr rhpu
UW hq h ur hr vr r ur Srrhy i ur
hqwr uh irr hqr r ur rvrq hyr
rr py uv vyy yhpr ur UW v ur Trvpr
Hqr $ U rv ur Trvpr Hqr r ur Ihyvhv i
! Qr ur S@9 BS@@I i r q
utu ur spv
127( Uuv UW hy uh ur v s vt h Hr Qhpx uvpu rhiyr p ur rr UW puhry hq hhytr yrry
v ur Hr Qhpx hq ur yhq ur hur @VSP ! UW r
8VLQJ WKH 0HPRU\ 3DFN
79 WR 0HPRU\ 3DFN SURFHVV 0HPRU\ 3DFN WR 79 3URFHVV
Qyt ur r hpx v ur yr s ur ! v Qyt ur r hpx v ur yr s ur ! v
rvhy h ur ihpx s ur UW hq vpu ur UW Ds rvhy h ur ihpx s ur UW hq vpu ur UW Ds
ur UW uh y r ! v prp ur uv vyy ir ur UW uh y r ! v prp ur uv vyy ir
hiyr hppr ur r hpx hiyr hppr ur r hpx
! B v ur Trvpr Hqr h ryhvrq hir Uur ! B v ur Trvpr Hqr h ryhvrq hir Uur
prr vyy u) prr vyy u)
Qth Qth
@rhy33UW @rhy33UW
" Qr ur iyr i ur rr py Uur prr " Qr ur TUPS@ i ur UW Uur prr vyy
vyy u) u)
Qth
Ghqvt
UW33@rhy
# Qr ur TUPS@ i ur UW Uur prr vyy # 6yy ur vt vshv rq vvqr ur Hr Qhpx
u) vyy ir hsrrq ur UW Uuv pr vyy hxr
! " vr pyrr hq ur svvurq ur prr
Tvt vyy u)
PF