Panasonic TX-28LD1 Service Manual Download

Page: 10 / 29

7; /'

6&+(0$7,& ',$*5$0 )25 02'(/6

7; /'

(XUR &KDVVLV

,03257$17 6$)(7< 127,&(

&RPSRQHQWV LGHQWLILHG E\

PDUN KDYH VSHFLDO

FKDUDFWHULVWLFV LPSRUWDQW IRU VDIHW\ :KHQ UHSODFLQJ DQ\ RI

WKHVH FRPSRQHQWV XVH RQO\ PDQXIDFWXUHUV VSHFLILHG SDUWV

1RWHV

5(6,6725

$OO UHVLVWRUV DUH FDUERQ : UHVLVWRU XQOHVV PDUNHG DV IROORZV

8QLW RI UHVLVWDQFH LV 2+0 . 0

&$3$&,7256

$OO FDSDFLWRUV DUH FHUDPLF 9 XQOHVV PDUNHG DV IROORZV8QLW RI FDSDFLWDQFH LV ³) XQOHVV RWKHUZLVH VWDWHG

&2,/

8QLW RI LQGXFWDQFH LV ³+ XQOHVV RWKHUZLVH VWDWHG

&RPSRQHQWV PDUNHG / RQ WKH VFKHPDWLF GLDJUDP VKRZV OHDGOHVV SDUWV

7(67 32,17

7HVW 3RLQW SRVLWLRQ

($57+ 6<0%2/

&KDVVLV (DUWK &ROG

/LQH (DUWK +RW

92/7$*( 0($685(0(17

9ROWDJH LV PHDVXUHG E\ D '& YROWPHWHU 0HDVXUHPHQW FRQGLWLRQV DUH DV IROORZV

3RZHU VRXUFH

$& 9 9 +]

5HFHLYLQJ 6LJQDO

&RORXU %DU VLJQDO 5)

$OO FXVWRPHU FRQWUROV

0D[LPXP SRVLWLRQ

,QGLFDWHV WKH 9LGHR VLJQDO SDWK

,QGLFDWHV WKH $XGLR VLJQDO SDWK

,QGLFDWHV WKH 9RUL]RQWDO VLJQDO SDWK

7KLV VFKHPDWLF GLDJUDP LV WKH ODWHVW DW WKH WLPH RI SULQWLQJ DQG LV VXEMHFW WR FKDQJH ZLWKRXW QRWLFH

5HPDUNV

7KH 3RZHU &LUFXLW FRQWDLQV D FLUFXLW DUHD ZKLFK XVHV D VHSDUDWH SRZHU VXSSO\ WR LVRODWH WKH HDUWK FRQQHFWLRQ 7KH FLUFXLW LV GHILQHG

E\ +27 DQG &2/' LQGLFDWLRQV LQ WKH VFKHPDWLF GLDJUDP $OO FLUFXLWV H[FHSW WKH 3RZHU &LUFXLW DUH &2/' 7DNH WKH IROORZLQJ

SUHFDXWLRQV

3UHFDXWLRQV

'R QRW WRXFK WKH KRW SDUW RU WKH KRW DQG FROG SDUWV DW WKH VDPH WLPH DV \RX DUH OLDEOH WR D VKRFN KD]DUG

'R QRW VKRUW FLUFXLW WKH KRW DQG FROG FLUFXLWV DV HOHFWULFDO FRPSRQHQWV PD\ EH GDPDJHG

'R QRW FRQQHFW DQ LQVWUXPHQW VXFK DV DQ RVFLOORVFRSH WR WKH KRW DQG FROG FLUFXLWV VLPXOWDQHRXVO\ DV WKLV PD\ FDXVH IXVH IDLOXUH

&RQQHFW WKH HDUWK RI WKH LQVWUXPHQWV WR WKH HDUWK FRQQHFWLRQ RI WKH FLUFXLW EHLQJ PHDVXUHG

0DNH VXUH WR GLVFRQQHFW WKH SRZHU SOXJ EHIRUH UHPRYLQJ WKH FKDVVLV

Summary of Contents for TX-28LD1

Page 1: ...Specifications Service Information PCB view Y Block Diagram Audio Adjustments Service Hints Mechanical View B Schematic E Schematic Y Schematic Self Check Waveforms Location of Controls Service Manual Colour Television EURO 2 Chassis TX 28LD1 Notes Service Support About EXIT GO BACK ...

Page 2: ... N 6 9LGHR 1 9 S S SLQ 9 S S 9 287 9LGHR SLQ 9 S S XGLR SLQ P9 UPV N 6HOHFWDEOH RXWSXW SLQ 9 1 6 9LGHR 1 9 S S SLQ 9 S S XGLR 5 P9 UPV N 9LGHR 5 9 S S LJK 9ROWDJH N9 á N9 DW HUR EHDP FXUUHQW 3LFWXUH 7XEH HIOHFWLRQ 9LVLEOH VFUHHQ VL H FP 0HDVXUHG LDJRQDOO XGLR 2XWSXW QWHUQDO 6SHDNHU 0XVLF 3RZHU PSHGDQFH HDGSKRQHV PSHGDQFH FFHVVRULHV VXSSOLHG 5HPRWH RQWURO 5 80 DWWHU 79 6WDQG LPHQVLRQV HLJKW PP LGWK...

Page 3: ...G SOXJ DQG HDFK H SRVHG PHWDOOLF FDELQHW SDUW RQ WKH UHFHLYHU VXFK DV VFUHZ KHDGV DHULDOV FRQQHFWRUV FRQWURO VKDIWV HWF KHQ WKH H SRVHG PHWDOOLF SDUW KDV D UHWXUQ SDWK WR WKH FKDVVLV WKH UHDGLQJ VKRXOG EH EHWZHHQ 0 RKP DQG 0 RKP KHQ WKH H SRVHG PHWDO GRHV QRW KDYH D UHWXUQ SDWK WR WKH FKDVVLV WKH UHDGLQJ PXVW EH LQILQLWH 855 17 27 3OXJ WKH FRUG GLUHFWO LQWR WKH RXWOHW R QRW XVH DQ LVRODWLRQ WUDQVI...

Page 4: ...7 2 7 21 2 21752 6 LJ 2 86 6 5 1 6 59 176 2 72 5 029 7 5 5 29 5 5HPRYH WKH VFUHZV DV VKRZQ LQ LJ LJ LJ 6 5 6 6 5 LJ ...

Page 5: ...UQHU RI WKH FDELQHW PDUNHG j DV VKRZQ LQ LJ HQVXULQJ WKDW WKH DQJHOHG VHFWLRQ RI WKH FKDVVLV IUDPH LV IOXVK ZLWK WKH FDELQHW DV VKRZQ LQ LJ RFDWH VHUYLFH VORW j DV VKRZQ LQ LJ WR WKH VHUYLFH EUDFNHW j RI WKH FKDVVLV IUDPH DV VKRZQ LQ LJ IWHU VHUYLFLQJ HQVXUH DOO ZLULQJ LV UHWXUQHG WR LWV RULJLQDO SRVLWLRQ EHIRUH UHWXUQLQJ WKH UHFHLYHU WR WKH FXVWRPHU LJ LJ LJ LJ LJ 6 59 5 7 66 6 5 0 1 7 66 6 5 0 ...

Page 6: ... WKH PHPRU SDFN R LQWR WKH 6HUYLFH 0RGH DV H SODLQHG DERYH 7KH VFUHHQ ZLOO VKRZ WHUQDO 79 3URJUDP 3UHVV WKH EOXH EXWWRQ RQ WKH UHPRWH FRQWURO 7KH VFUHHQ ZLOO VKRZ 3URJUDP 79 WHUQDO 3UHVV WKH 6725 EXWWRQ RQ WKH 79 7KH VFUHHQ ZLOO VKRZ 6WRULQJ OO WKH WXQLQJ LQIRUPDWLRQ VWRUHG LQVLGH WKH 79 ZLOO QRZ EH WUDQVIHUUHG WR WKH 0HPRU 3DFN 7KLV SURFHVV ZLOO WDNH PLQXWHV WR FRPSOHWH DQG ZKHQ ILQLVKHG WKH VFUH...

Page 7: ...XWRII PRGH RQILUP WKHQ YDOXH LV DQG VHOHFW 8J PRGH QRWLQJ FRORXU ZLWK ODUJHVW YDOXH 7XUQ WKH VFUHHQ 95 XQWLO D FRORXU UHDFKHV RQQHFW DQ RVFLOORVFRSH WR WKH FDWKRGH ZLWK WKH ELJJHVW YDOXH FRORXU 6HOHFW XWRII PRGH DQG DGMXVW XWRII SXOVH WR 9 9 LVFRQQHFW WKH RVFLOORVFRSH DQG DGMXVW WKH VFUHHQ WR ZKLFKHYHU FRORXU UHDFKHV ILUVW 6 6HOI FKHFN LV XVHG WR DXWRPDWLFDOO FKHFN WKH XV LQHV DQG H DGHFLPDO FRGH ...

Page 8: ...WWLQJ 7UDSH LXP FRPS 75 3 2SWLPXP VHWWLQJ RORXU 9 2 RORXU 9 2 3UHVV HLWKHU OXH RU HOORZ EXWWRQV WR HIIHFW DXWRPDWLF DGMXVWPHQW XW RII XW RII 1RW WR EH DGMXVWHG 8J 7HVW 8J 7HVW 6HOHFW XWRII LQ 6HUYLFH 0RGH PRGH DQG FRQILUP WKH YDOXH LV 6HOHFW 8J 7HVW QRWLQJ FRORXU ZLWK ODUJHVW YDOXH DGMXVW RQ 7 XQWLO D FRORXU UHDFKHV RQQHFW DQ RVFLOORVFRSH WR WKH FDWKRGH RI WKH ELJJHVW YDOXH FRORXU VHOHFW XWRII PRG...

Page 9: ... 3 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 6 4 X VHF GLY 3 1 P VHF GLY 3 1 P VHF GLY 5 1 5 9 Y 5 5 9 Y 3 1 X VHF GLY 2 725 4 X VHF GLY 3 1 X VHF GLY 3 1 X VHF GLY KURPD 9 250 3 77 51 7 8 5 9 Y 3 1 P VHF GLY 0 77 5 4 0 77 5 4 0 77 5 4 ...

Page 10: ...RVLWLRQ QGLFDWHV WKH 9LGHR VLJQDO SDWK QGLFDWHV WKH XGLR VLJQDO SDWK QGLFDWHV WKH 9HUWLFDO RUL RQWDO VLJQDO SDWK 7KLV VFKHPDWLF GLDJUDP LV WKH ODWHVW DW WKH WLPH RI SULQWLQJ DQG LV VXEMHFW WR FKDQJH ZLWKRXW QRWLFH 5HPDUNV 7KH 3RZHU LUFXLW FRQWDLQV D FLUFXLW DUHD ZKLFK XVHV D VHSDUDWH SRZHU VXSSO WR LVRODWH WKH HDUWK FRQQHFWLRQ 7KH FLUFXLW LV GHILQHG E 27 DQG 2 LQGLFDWLRQV LQ WKH VFKHPDWLF GLDJUDP ...

Page 11: ... 2 3 5 2 0 0 0 2 5 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 5 3 5 2 6 6 2 5 9 5 3 6 8 2 1 7 5 2 9 5 8 2 2 8 7 3 8 7 9 5 7 2 8 7 3 8 7 7 8 1 5 7 4 3 4 5 9 5 4 1 2 8 7 3 8 7 7 9 9 9 9 9 9 6 9 2 7 2 9 9 2 5 2 8 7 3 8 7 9 7 9 9 9 9 9 5 6 7 9 ...

Page 12: ... 8 5 4 8 5 7 7 7 9 2 3 5 2 6 6 2 5 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 2 8 7 3 8 7 0 3 4 2 8 7 3 8 7 0 3 4 2 8 7 3 8 7 0 3 9 6 7 5 9 9 9 7 2 9 0 2 6 7 8 1 5 9 2 1 2 8 7 9 9 9 5 6 6 7 2 5 0 7 5 4 4 4 4 4 4 5 9 5 4 4 2 8 7 3 8 7 0 3 4 0 3 0 0 2 5 5 0 3 6 9 9 ...

Page 13: ...3 6 9 02 8 725 4 03 4 8 5 4 8 5 4 8 5 8 2 287387 03 8 2 352 6625 6 9 9 4 087 5 5 5 5 5 5 6 1 9 1 9 2 8 7 9 1 5 5 5 4 8 5 4 8 5 4 03 4 03 4 087 4 087 5 4 087 4 087 4 087 8 2 6 1 0 8 7 6 1 4 087 9 5 5 9 1 9 2 8 7 4 087 4 087 9 2 8 7 5 ...

Page 14: ...3 576 2 7 21 ...

Page 15: ... 3 9 Q 89 6 0 3 9 Q 89 3 6 0 3 9 S 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6 0 3 9 S 0 7 9 S 89 3 6 0 3 9 S 89 6 0 3 9 Q 0 7 9 S 89 6 0 3 9 Q 89 6 0 3 9 Q 05 7 9 5 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6 0 3 9 S 89 6 0 3 9 Q 0 7 9 S 89 6 0 3 9 Q 0 7 9 S 89 6 0 3 9 Q 05 7 9 5 0 5 7 9 5 89 6 0 3 9 S 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6 0 3 9 Q 0 7 9 S 0 7 9 S 89 6 0 3 9 Q 0 7 9 S 89 6 0 3 9 Q 89 6 0 3 9 S 0 7 9 S 89 6 0 3 9 ...

Page 16: ... 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 S 89 6 0 3 9 Q 89 6 0 3 9 S 89 6 0 3 9 S 7 9 89 6 0 3 9 Q 7 9 4 0 9 Q 4 0 9 Q 89 6 0 3 9 S 4 0 9 Q 89 6 0 3 9 S 8 7 9 89 6 0 3 9 Q 8 7 9 7 9 4 0 9 Q 4 0 9 Q 48 01 0 9 Q 1 7 9 5 0 9 Q 5 0 9 S 4 0 9 Q 5 0 9 Q 26 1 7 9 16 5 0 9 Q 5 0 9 S 8 7 9 7 9 7 9 5 0 9 S 7 9 8 7 9 89 6 0 3 9 Q 89 6 0 3 9 Q 8 7 9 26 7 9 8 7 9 89 6 0 3 9 S 90 7 9 ...

Page 17: ...9 Q 89 6 0 3 9 Q 1 7 9 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6 0 3 9 Q 0 7 9 S 89 6 0 3 9 Q 89 6 0 3 9 Q 85 7 9 85 7 9 89 6 0 3 9 S 89 6 0 3 9 S 89 6 0 3 9 S 89 6 0 3 9 S 85 7 9 85 7 9 89 6 0 3 9 S 89 6 0 3 9 S 89 6 0 3 9 Q 89 6 0 3 9 S 0 7 9 S 0 7 9 S 05 7 9 5 05 7 9 5 0 5 7 9 5 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6 0 3 9 Q 89 6 0 3 9 S 89 6 0 3 9 S 89 6 0 3 9 Q 89 6 0 3 9 S 5 5 0 9 S 89 6 0 3 9 Q 89 6 0 3 9 Q 8...

Page 18: ...387 7 9 6 7 1 8 1 0 5 0 738 7 7 352 6625 7 4 5 03 5 7 9 57 287387 9 3 9 2 352 6625 7 255 217 287387 7 32 5 6833 0 05 9 5 8 725 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 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 5 1 5 5 5 1 5 5 5 1 5 5 5 1 5 5 5 1 5 5 5 1 5 ...

Page 19: ...7 2 07 7 2 07 7 2 07 7 2 7 5 2 7 5 2 6 9 2 5 9 2 5 9 2 61 5 2 6 7 2 75 16 67256 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 6 67 75 16 6725 4 6 67 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 6 75 16 6725 4 6 75 16 6725 4 6 75 16 6725 4 75 16 6725 4 75 ...

Page 20: ...5 1 5 5 6 0 5 5 5 5 5 1 5 5 5 5 1 5 5 6 0 5 5 5 6 0 5 5 5 5 5 1 5 5 5 5 1 5 5 6 0 5 5 5 5 5 1 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 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 7 5 5 21 5 5 5 7 5 5 21 5 5 5 5 281 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 5 5 5 5 281 5 5 5 7 5 21 5...

Page 21: ...5 5 6 0 5 5 5 6 0 5 5 54 86 5 54 0 7 5 5 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 7 5 5 0 7 5 5 0 7 5 5 6 5 5 6 6725 5 5 5 6 0 5 5 5 6 0 5 5 5 6 0 7 5 52 0 7 5 7 50 6725 5 52 0 7 5 5 7 5 21 5 90 6 50 17 5 5 6 7 5 21 5 5 5 21 5 5 5 5 5 5 5 0 7 5 5 5 21 5 5 5 21 5 5 7 5 21 0 5 5 6 0 5 5 5 6 0 5 5 5 6 7 5 21 5 5 0 7 5 5 6 0 5 5 5 6 0 5 5 5 ...

Page 22: ... 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 5 5 1 5 5 0 7 5 5 0 7 5 5 6 7 5 21 5 5 6 7 5 21 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 5 5 6 0 5 5 5 6 0 5...

Page 23: ... 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 5 5 6 0 5 5 5 6 0 5 6 7 6 6 6 6 7 6 94 5 6 7 6 94 5 6 7 6 94 5 6 7 6 94 5 6 7 6 94 5 6 7 75 16 250 56 7 75 16 250 5 7 7 75 16 250 5 7 7 3 75 16 250 5 7 73 1 8 75 16 250 5 7 56 6 5 0 7 5 6 7 5 9 5 0 7 5 766 5 67 766 0 5 67 766 5 67 ...

Page 24: ......

Page 25: ......

Page 26: ......

Page 27: ......

Page 28: ......

Page 29: ......

Search results

Summary of Contents for TX-28LD1

Reviews:

Related manuals for TX-28LD1

Brands by name

Popular brands

Panasonic TX-28LD1, Service Manual

Search results

Summary of Contents for TX-28LD1

Reviews:

Related manuals for TX-28LD1

Brands by name

Popular brands