Panasonic TX-28XD1F Service Manual Download Page 4

7; ;')

7; ;')

/($.$*( &855(17 +27 &+(&.

3OXJ WKH $& FRUG GLUHFWO\ LQWR WKH $& RXWOHW 'R QRW XVH DQ

LVRODWLRQ WUDQVIRUPHU IRU WKLV FKHFN

&RQQHFW D Nˆ : UHVLVWRU LQ VHULHV ZLWK DQ H[SRVHG

PHWDOOLF SDUW RQ WKH UHFHLYHU DQG DQ HDUWK VXFK DV D ZDWHU

SLSH

8VH DQ $& YROWPHWHU ZLWK KLJK LPSHGDQFH WR PHDVXUH WKH

SRWHQWLDO DFURVV WKH UHVLVWRU

&KHFN HDFK H[SRVHG 0HWDOOLF SDUW DQG FKHFN WKH YROWDJH DW

HDFK SRLQW

5HYHUVH WKH $& SOXJ DW WKH RXWOHW DQG UHSHDW HDFK RI WKH

DERYH PHDVXUHPHQWV

7KH SRWHQWLDO DW DQ\ SRLQW VKRXOG QRW H[FHHG  9UPV ,Q

FDVH D PHDVXUHPHQW LV RXWVLGH WKH OLPLWV VSHFLILHG WKHUH LV

D SRVVLELOLW\ RI D VKRFN KD]DUG DQG WKH UHFHLYHU VKRXOG EH

UHSDLUHG DQG UHFKHFNHG EHIRUH LW LV UHWXUQHG WR WKH

FXVWRPHU

+27 &+(&. &,5&8,7

. RKP :

$& 92/70(7(5

:$7(5 3,3(

($57+

72 ,167580(176
(;326('
0(7$//,& 3$576

)LJ

&,5&8,7 '( 9(5,),&$7,21 $ &+$8'

9(56 /(6 3$57(6

0(7$//,48( (;32

6((6 '( /,16758

0(17

92/7 0(75( &$

&21'8,7(

'($8

7(55(

; 5$',$7,21 :$51,1*

7KH SRWHQWLDO VRXUFHV RI ; 5DGLDWLRQ LQ 79 VHWV DUH WKH

KLJK YROWDJH VHFWLRQ DQG WKH SLFWXUH WXEH

:KHQ XVLQJ D SLFWXUH WXEH WHVW MLJ IRU VHUYLFH HQVXUH WKDW WKH

MLJ LV FDSDEOH RI KDQGOLQJ N9ZLWKRXW FDXVLQJ

; 5DGLDWLRQ

127(  ,W LV LPSRUWDQW WR XVH DQ DFFXUDWH SHULRGLFDOO\ FDOLEUDWHG

KLJK YROWDJH PHWHU

6HW WKH EULJKWQHVV WR PLQLPXP

0HDVXUH WKH KLJK YROWDJH 7KH PHWHU VKRXOG LQGLFDWH
N9 áN9 LI WKH PHWHU LQGLFDWLRQ LV RXW RI WROHUDQFH

LPPHGLDWH VHUYLFH DQG FRUUHFWLRQ LV UHTXLUHG WR SUHYHQW WKH

SRVVLELOLW\ RI SUHPDWXUH FRPSRQHQW IDLOXUH

7R SUHYHQW DQ\ ; 5DGLDWLRQ SRVVLELOLW\ LW LV HVVHQWLDO WR XVH

WKH VSHFLILHG WXEH

9(5,),&$7,21 $ &+$8' '8 &285$17 '(

)8,7(

%UDQFKHU OH FRUGRQ VHFWHXU GLUHFWHPHQW

XQH SULVH

VHFWHXU 1H SDV XWLOLVHU GH WUDQVIRUPDWHXU GLVRODWLRQ SRXU

FHWWH Y ULILFDWLRQ

5DFFRUGHU XQH U VLVWDQFH GH Nˆ : HQ V ULH DYHF XQH

SDUWLH P WDOOLTXH H[SRV H GX U FHSWHXU HW XQH WHUUH FRPPH

XQH FRQGXLWH GHDX

8WLOLVHU XQ YROWPýWUH &$ GH W\SH LPS GDQFH OHY H SRXU

PHVXUHU OH SRWHQWLHO WUDYHUV OD U VLVWDQFH

9 ULILHU WRXWHV OHV SDUWLHV P WDOOLTXHV H[SRV HV HW

PHVXUHU OD WHQVLRQ FKDTXH SRLQW

5HWRXUQHU OD ILFKH &$ GDQV OD SULVH VHFWHXU HW U S WHU WRXWHV

OHV PHVXUHV FL GHVVXV

/H SRWHQWLHO WRXV OHV SRLQWV QH GRLW SDV G SDVVHU  YROW

506 $8 FDV RÖ XQH PHVXUH HVW VXS ULHXUH FHWWH OLPLWH

VS FLIL H LO \ D XQ ULVTXH GH G FKDUJH OHFWULTXH HW OH

U FHSWHXU GRLW ûWUH U SDU HW UHY ULIL DYDQW GûWUH UHQGX DX

FOLHQWH

,55$',$7,21 $8; 5$<216 ; $77(17,21

/HV SDUWLHV GH OD KDXWH WHQVLRQ HW GX WXEH FDWKRGLTXH

GXQH W O

FRXOHXU VRQW GHV VRXUFHV SRVVLEOH GHPLVVLRQV

GH UD\RQV ;

6L XQ WXEH FDWKRGLTXH W PRLQ HVW XWLOLV SRXU OD U SDUDWLRQ

VDVVXUHU TXH VRQ DVVHPEODJH SRXUUD VXSSRUWHU N9

VDQV PHWWUH GH UDGLDWLRQV

5(0$548(  ,O HVW LPSRUWDQW TXH OH PXOWLPýWUH KDXWH WHQVLRQ

XWLOLV VRLW WDORQQ S ULRGLTXHPHQW

7RXUQHU HQWLýUHPHQW YHUV OD JDXFKH OD FRPPDQGH GH

OXPLýUH

0HVXUHU OD KDXWH WHQVLRQ ODLGH GX PXOWLPýWUH DSSURSUL 
/D YDOHXU QRPLQDOH HVW GH N9 áN9 6L OD OHFWXUH HVW

KRUV GHV WRO UDQFHV XQH U SDUDWLRQ LPP GLDWH VLPSRVH

DILQ GH SU YHQLU WRXWH SDQQH SU PDWXU H

,O HVW HVVHQWLHO GXWLOLVHU OH WXEH FDWKRGLTXH GRULJLQH SRXU

SU YHQLU WRXWH PLVVLRQ GH UD\RQV ;

Summary of Contents for TX-28XD1F

Page 1: ...iagram Block Diagram Audio Adjustments Service Hints Mechanical View B Schematic E Schematic Y Schematic Self Check Disassembly Waveforms Location of Controls Service Manual Colour Television EURO 2 C...

Page 2: ...6HUYLFH 0DQXDO VKRXOG EH XVHG LQ FRQMXQFWLRQ ZLWK WKH 852 WHFKQLFDO JXLGH DUDFW ULVWLTXHV HV LQIRUPDWLRQV HQWUH SDUHQWK VHV FRQFHUQHQW OH 7 OLPHQWDWLRQ 9 RQVRPPDWLRQ PS GDQFH G DQWHQQH DV P WULTXH VXU...

Page 3: ...7 176 35 87 216 6 85 7 03 0 17 6 200 1 6 68 67 216 6 59 5 6 872 7 67 98 8 5 8 7 035 0 6 0 6 1237 48 7 8 0 5 6 250 6 21 6 5 00 6 0 7 48 03 0 17 6 3 6 67 6 3 6 5 1 35 87 216 6 85 7 216 6 1 5 8 YDQW G HI...

Page 4: ...SUHYHQW DQ 5DGLDWLRQ SRVVLELOLW LW LV HVVHQWLDO WR XVH WKH VSHFLILHG WXEH 9 5 7 21 8 8 285 17 8 7 UDQFKHU OH FRUGRQ VHFWHXU GLUHFWHPHQW XQH SULVH VHFWHXU 1H SDV XWLOLVHU GH WUDQVIRUPDWHXU G LVRODWLRQ...

Page 5: ...0 17 6 200 1 6 LJ 2 86 3 3 6 5 1 872 200 1 5 1 21 175 7 21 6 59 176 2 72 5 029 7 5 5 29 5 5HPRYH WKH VFUHZV DV VKRZQ LQ LJ LJ 68 67 216 3 11 200 17 5 7 5 5 3 11 8 55 5 5HWLUHU OHV YLV FRPPH VXU OD LJ...

Page 6: ...V VKRZQ LQ ILJ DQG ILJ IWHU VHUYLFLQJ HQVXUH DOO ZLULQJ LV UHWXUQHG WR LWV RULJLQDO SRVLWLRQ EHIRUH UHWXUQLQJ WKH UHFHLYHU WR WKH FXVWRPHU 200 17 3 5 66 6 1 326 7 21 6 59 7HQLU HW VRXOHYHU O DUUL UH G...

Page 7: ...3 LJ 3 3 0 3 2 5 0 2 5 2 5 77 6 77 6 6 85 1 5 76 6 85 7 7 21 2 72 5 029 7 2 5 LVFRQQHFW WKH OHDGV IURP WKH ERDUG 5HOHDVH WKH ERDUG VHFXULQJ EUDFNHWV E SXVKLQJ WKH FOLSV LQ WKH GLUHFWLRQ VKRZQ LQ LJ D...

Page 8: ...RULJLQDO SRVLWLRQ EHIRUH UHWXUQLQJ WKH UHFHLYHU WR WKH FXVWRPHU 1RWH 7KH H WHQVLRQ OHDG ZLUH NLW LV VXSSOLHG DV D VHUYLFH NLW 3DUW QXPEHU 7 6 3 326 7 21 6 59 3 5HWLUHU OD 3 GX FK VVLV SULQFLSDO 3 WHO...

Page 9: ...PRU 3DFN SURFHVV 3OXJ WKH PHPRU SDFN LQWR WKH ORZHU RI WKH WZR SLQ WHUPLQDOV DW WKH EDFN RI WKH 79 DQG VZLWFK WKH 79 RQ I WKH 79 KDV RQO RQH SLQ FRQQHFWRU WKHQ WKLV ZLOO EH DEOH WR DFFHSW WKH PHPRU SD...

Page 10: ...XU OD ERXWRQ 8 GH OD W O FRPPDQGH FUDQ GX W O YLVHXU SU VHQWH OH PHVVDJH VXLYDQW 3URJUDP 79 WHUQDO SSX HU VXU OD ERXWRQ GH P PRULVDWLRQ 6725 GX W O YLVHXU HW O HFUDQ SU VHQWHUD OD PHVVDJH VXLYDQW 6WRU...

Page 11: ...XGH 03 03 2SWLPXP VHWWLQJ 7UDSH LXP FRPS 75 3 75 3 2SWLPXP VHWWLQJ 7UDSH LXP FRPS 75 3 75 3 2SWLPXP VHWWLQJ RORXU 9 2 RORXU 9 2 RORXU 9 2 3UHVV HLWKHU OXH RU HOORZ EXWWRQV WR HIIHFW DXWRPDWLF DGMXVWPH...

Page 12: ...WXGH 2 03 03 2SWLPLVHU OHV U JODJHV PSOLWXGH 2 03 03 2SWLPLVHU OHV U JODJHV RUUHFWLRQ WUDS H 75 3 75 3 2SWLPLVHU OHV U JODJHV RUUHFWLRQ WUDS H 75 3 75 3 2SWLPLVHU OHV U JODJHV 5 JODJH RVFLOODWHXU VRXV...

Page 13: ...FNHG DQG IRXQG WR EH LQFRUUHFW WKHQ l l ZLOO DSSHDU LQ SODFH RI l2 l RN RN RN RN 3 6 3 2 3 3 5 0 H FRGHV RN 063 ROE 6XE ROE IRU 5 3 7 3 6 3 6 3 6 3 6 872 7 67 DXWR WHVW HVW XWLOLV SRXU Y LILHU OH 86 H...

Page 14: ...1 X VHF GLY 3 1 X VHF GLY 3 1 P VHF GLY 3 1 P VHF GLY 6 4 X VHF GLY 3 1 P VHF GLY 3 1 X VHF GLY 3 1 P VHF GLY 3 1 P VHF GLY 3 1 P VHF GLY 8 5 9 Y 5 1 5 9 Y 5 5 9 Y 3 1 X VHF GLY 2 725 4 P VHF GLY 2 7...

Page 15: ...7 XUR KDVVLV HV O PHQW SRUWDQW OD PDUTXH SRVV GHQW GHV FDUDFW ULVWLTXHV GH V FXULWH VS FLDOVHV RUV GX UHPSODFHPHQW GH O XQH TXHOFRQTXH GH FHV SL FHV Q XWLOLVHU TXH FHOOHV VS FL IL HV SDU OD IDEULFDQW...

Page 16: ...5 2 0 0 0 2 5 3 5 2 0 3 5 2 5 0 0 0 0 2 5 9 2 3 5 2 6 6 2 5 6 2 8 1 3 5 2 6 6 2 5 9 5 9 6 7 1 9 6 7 1 9 5 2 0 7 5 2 1 7 5 2 2 0 7 5 3 5 2 6 6 2 5 3 6 8 2 1 7 5 2 9 5 9 5 8 2 2 8 7 3 8 7 9 5 7 2 8 7 3...

Page 17: ...5 4 8 5 4 8 5 4 4 0 3 2 0 7 5 4 8 5 4 8 5 4 8 5 4 4 0 3 4 8 5 4 0 3 4 0 3 4 8 5 4 0 3 4 0 3 4 8 5 4 0 3 4 0 3 5 4 4 4 4 4 4 5 9 4 4 2 8 7 3 8 7 0 3 4 4 4 4 4 4 5 9 4 4 2 8 7 3 8 7 0 3 4 4 4 4 4 4 5 9...

Page 18: ...0 5 02 8 725 92 80 66 75 21752 6 9 9 5 4 087 4 087 4 087 5 5 5 5 5 5 7 8 1 5 2 8 7 9 1 6 1 9 1 9 2 8 7 9 1 9 2 8 7 5 5 5 4 8 5 3 2 1 2 8 7 4 8 5 9 5 9 1 4 4 03 4 4 03 4 087 4 087 5 4 087 4 087 4 087 4...

Page 19: ...7 6 3 6 127 7KH QXPEHUV RQ WKH H SORGHG YLHZ EHORZ UHIHU WR WKH PLVFHOODQHRXV VHFWLRQ RI WKH 5HSODFHPHQW 3DUWV LVW 5 0 548 HV QXP URV VXU OHV SL FHV P FDQLTXHV LQGLTXHQW OHV 12 GH U I GD OD OLVWH GHV...

Page 20: ...3 6 5 1 67 19 781 5 713 3 70 66 6 5 0 63 5 6 5 1 67 76 0 16 6 5 1 67 7 0 3 1 621 7 3 7 32 5 87721 85 77 5 29 5 5 027 7 0 35 6 7 3 1 7 0 1 7 21 6 7 7 6 7 7 9 7 50 1 7 5 7 7 3 3 1 70 2 5 71 9 3 73 86 21...

Page 21: ...9 89 6 0 3 9 Q 8 7 9 89 6 0 3 9 Q 8 7 9 89 6 0 3 9 Q 89 6 0 3 9 Q 8 7 9 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6 0 3 9 S 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6 0 3 9 Q 8 7 9 85 7 9 85 7 9 8 7...

Page 22: ...3 9 S 89 6 0 3 9 Q 89 6 0 3 9 S 5 0 9 S 89 6 0 3 9 S 89 6 0 3 9 S 89 6 0 3 9 S 89 6 0 3 9 S 89 6 0 3 9 S 89 6 0 3 9 Q 89 6 0 3 9 S 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6...

Page 23: ...6 0 3 9 Q 8 5 7 9 89 6 0 3 9 Q 8 5 7 9 89 6 0 3 9 S 89 6 0 3 9 S 8 7 9 89 6 0 3 9 Q 8 5 7 9 89 6 0 3 9 Q 8 5 7 9 8 7 9 89 6 0 3 9 Q 89 6 0 3 9 S 89 6 0 3 9 S 48 01 0 9 Q 48 01 0 9 Q 2 6 0 2 0 7 2 0 7...

Page 24: ...2 81 7 01 5 5 6 7 3520 01 5 5 6 7 7 7 9 76 7 21752 1 7 9 5 8 725 530 56 5 9 5 7 50 1 6 1 1 6 5 5 5 1 5 5 5 1 5 5 5 1 5 5 5 1 5 5 5 1 5 5 5 1 5 5 5 1 5 5 5 1 5 5 5 1 5 5 5 1 5 5 5 1 5 5 5 1 5 5 5 1 5 5...

Page 25: ...2 6 5 2 5 2 6 7 2 2 2 2 2 6 7 2 5 2 5 2 5 9 2 5 9 2 6 7 2 76 2 5 9 2 5 9 2 9 5 2 9 5 2 9 5 2 5 9 2 9 5 2 5 9 2 9 5 2 07 7 2 07 7 2 9 5 2 07 7 2 09 5 0 2 07 7 2 07 7 2 07 7 2 07 7 2 9 5 2 5 9 2 5 9 2...

Page 26: ...6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 6 5 75 16 6725 4 75 16 6725 4 6 5 75 16 6725 4 6 5 75 16 6725 4 6 5 75 16 6725 4 75 16 6725 4 6 5 75 16 6725 4 6 5 75 16 6725 4 6 5 75 16 6725 4 75 16 672...

Page 27: ...5 5 7 5 21 5 5 0 7 5 5 7 5 21 5 1 6 86 5 1 6 86 5 54 5 0 7 5 5 54 0 7 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5...

Page 28: ...5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 5 5 1 5 5 6 0 5...

Page 29: ...5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 54 5 86 5 5 5 62 0 5 5 62 5 5 7 5 21 5 54 86 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 6...

Page 30: ...21 5 5 7 5 21 5 5 6 0 5 5 5 62 0 3 576 25 7 21 0 6 1 286 20321 176 5 7 7 0 5 5 29 5 7 3 63 5 1 7 7 8 5 5 29 5 7 1 7 7 866 2 713 6 3 73 287 5 5721 17 5 7 5 8 76 3 520 5 6 6725 5 5 5 5 1 6 7 6 6 944 6 7...

Page 31: ...5 1 2 5 0 6 1237 48 5 1 0 9 9 9 8 6 6 9 9 0 2 7 2 5 7 6 5 1 7 2 5 8 6 7 0 1 7...

Page 32: ......

Page 33: ......

Page 34: ......

Page 35: ......

Page 36: ......

Page 37: ......

Page 38: ......

Page 39: ......

Page 40: ......

Page 41: ......

Reviews: