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Scott LCT32SHA Service Manual

32" lcd hdtv
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KAWA ELECTRONIC RESEARCH & DEVELOPMENT CENTRE
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Summary of Contents for Scott LCT32SHA

  • Page 1 KAWA ELECTRONIC RESEARCH & DEVELOPMENT CENTRE „...
  • Page 2 Model: LCT32SHA Safety Instructions......................1~2 Trouble Shooting manual of LCD..................3~5 Product Specification......................6~8 Block Diagram........................9 Circuit diagram......................... 10~34 Basic Operation & Circuit Description................35~37 Main IC Information....................... 38~76 Panel Information......................77~105 Explored View........................ 106 10. Spare Pare List........................107~109 11. Software Upgrade......................110— 127...
  • Page 3 1 / 1 2 7...
  • Page 4 0.15| 2 / 1 2 7...
  • Page 5 3 / 1 2 7...
  • Page 6 4 / 1 2 7...
  • Page 7 5 / 1 2 7...

  • Page 8: Product Specification

    Product Specification NOTE: • The specifications shown above may be changed without notice for quality improvement. 6 / 1 2 7...

  • Page 9: Support The Signal Mode

    Support the Signal Mode 7 / 1 2 7...

  • Page 10: Remote Control

    Remote Control Standby \ C D J * D T V - • l VOL | -------— « x y - Mar Fraaza \V-Chlp CCD ✓ Display S.Moda\FavorttB ¿ j j i / PICSlM P.Mod* \ Racall Slaop/ System ^ Bad Groan Yallw«...
  • Page 11 < - DTV BOARD 9 / 1 2 7...
  • Page 12 KAWA Confidential 1 0 / 1 2...
  • Page 14 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 MT8202 SOCKET »S gpio vgahsync aolrck Q Q Q Q QQQ QQ KAWA Confidential <Designer> <Checker> 1 2 / 1 2...
  • Page 15 1 n i nv —1 — » pllvdd f y - , r r - \ î 2 75 "T" KAWA Confidential ^ FB œ <Designer> <Checker> 1 3 / 1 2...
  • Page 17 » [0..23] >S ( i i ^ O O O O C — — hdmi plugpwr ADD HDMI C O AX OU T KAWA Confidential <Designer> <Checker> 1 5 / 1 2...
  • Page 18 FOR MT5351 INTERFACE KAWA Confidential < D esigner> <C hecker> 1 6 / 1 2 7...
  • Page 19 y - " GD !O USB CONTOR KAWA Confidential 1 7 / 1 2...
  • Page 20 ► S testp REMARKS: * FOR LCDTV R226 R232 CB132 R233 CB133 R227 CB131 R234 CB134 R666 C134 C152 CE139 Q27 CE140 CE138 LCDTV 56pF 56pF 22 ---- — £ > -----— ---- — KAWA Confidential £ > <Designer> <Checker> 1 8 / 1 2...
  • Page 22 KAWA Confidential <Designer> <Checker> 2 0 / 1 2...
  • Page 24 KAWA Confidential < D esigner> <C hecker> 2 2 / 1 2 7...
  • Page 25 KAWA Confidential <Designer> <Checker> 2 3 / 1 2 7...
  • Page 27 KAWA Confidential < D esigner> <C hecker> 2 5 / 1 2 7...
  • Page 28 R780 R187 R760 CB16 CB19 CE22 LCDTV KAWA Confidential 51K 2.2K < D esigner> <C hecker> 2 6 / 1 2 7...
  • Page 29 MediaTek Confidential IN D E X T w in S o n C h a n...
  • Page 30 2 8 / 1 2 7...
  • Page 31 M ediaTek Confidential TUNER TwinSon Chan 2 9 / 1 2 7...
  • Page 32 M 6 . M ediaTek C onfidential M T5111 ASIC TwinSon Chan 3 0 / 1 2 7...
  • Page 33 î î sïïî J Ü I ü c ï ï MediaTek Confidential MT5351 ASIC 3 1 / 1 2 7...
  • Page 34 3 2 / 1 2 7...
  • Page 35 i Rg C a n M i ~ Z L - f c + CE29 F/16 C220UF16V/D6H11 M ediaTek Confidential D D R M E M O R Y TwinSon Chan \ 3 3 / 1 2 7...
  • Page 36 3 4 / 1 2 7...
  • Page 37 3 5 / 1 2 7...
  • Page 38 3 6 / 1 2 7...
  • Page 39 3 7 / 1 2 7...
  • Page 40 3 8 / 1 2 7...
  • Page 41 3 9 / 1 2 7...
  • Page 42 4 0 / 1 2 7...
  • Page 44 4 2 / 1 2 7...
  • Page 45 Pin Out i ' l 4 3 / 1 2 7...
  • Page 46 « ‘ ^S¡pac^át'^noú^!v^al§r í ß M ,2 G '3 5 A 2 , 4 4 / 1 2 7...
  • Page 47 - 0 ¿s r Ï. 4 5 / 1 2 7...
  • Page 48 Ï 2 f " & 4 6 / 1 2 7...
  • Page 49 Æ Æ MT8293 ¿ i HDMI PanelLink Cinema Receiver Specifications are subject to change without notice , „ , V ’ ¡a $ -i —...
  • Page 50 MT8É93 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE M TK CONFIDENTIAL, NONDISCLOSURE ^ = ê...
  • Page 51 MT8293 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENT/AL, N M QIS0LOSURE 4 9 / 1 2 7...
  • Page 52 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE M TK CONFIDENTIAL, NO VISCÎl O S U R t S '- \ t U , u avcc :: " p g n d ■ ii ^.¡§ \/W ? 5 0 / 1 2 7...
  • Page 53 MT8293 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE M TK CONFIDENTIAL, NONDISCLOSURE § Ï’ M 1 é î 5 1 / 1 2 7...
  • Page 54 MT8293 £ PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NOVISÇLOSUhit: V<$ .iê: È H k v o * '01/ 5 2 / 1 2 7...
  • Page 55 ■ J MT8293 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDÉNTIAL, N O O ISCLO SU R k " Î \ È ¡i& 5 3 / 1 2 7...
  • Page 56 5 4 / 1 2 7...
  • Page 57 MT§202 HDTV-Ready LCD TV Chip Specifications are subject to change without notice.,.. -¿J - .i : § 3:212:2 ê '§ §...
  • Page 58 MT8202 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDE OSURE ' ■ ? o . . ______ • ; . ! §...
  • Page 59 MTB202 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NONDISCLOSURE ■2\Ï-G Tuner Audio i/f 8032 AV/SV inputs X 8 MDDi ► Scalar YPbPr X2 Color I Gamma l v d s Audio J Audio |S C 5 7 / 1 2 7...
  • Page 60 MW202 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE M TK CONFIDENTIAL, N&DISCLO S UR E ,= !' ’*...
  • Page 61 MT5351 DTV Backend Decoder SOC Specifications are subject to change without notice# DTV System Use MT5351 „ ræ DDDD: Date Code #: Subcontractor Code T.LLLL: Lot Number...
  • Page 62 MT5351 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE M TK CONFIDENTIAL, m O IS Ç L O S U R E General Feature List g jr. m ji...
  • Page 63 MT5351 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE if :i ä I ¡ft 6 1 / 1 2 7...
  • Page 64 MT5351 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, N 0 DISCLOSURE ¥ • . 3T3V supply voltage 1.2V supply voltige Analog sùpply vptage, ■ ; -0.5 to 4.6 I j D BR supply volf -0.5 to 3.5 Iijput V o lta g e ( 3 .||||0 ) VSS-1.0 to 3.63 Input V olt$ge(5 V tolerance 10) VSS-1.0 to 5 5...
  • Page 65 MT5351 PRELIMINARY, SUBJECT TO CHANGE W ITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE RVDD(DDR333) DDR I/O supply voltage .for DDR266 or DDR333 RVDD(DDR400) DDR I/O supply voltage for DDR400 DVREF DDR I/O referclice voltage DDR I/O term ination vbltage DDR input voltage high F+0.15 RVDD+0.3 V _____ DDR input Voltage low ,...
  • Page 66 l.Outline 2.Feature 3.Operating Condition 4.Block Diagram 6 4 / 1 2 7...
  • Page 67 5i Pin Configuration(Table.l) 6 5 / 1 2 7...
  • Page 68 ° Without External Heat Sink(l) Double PCB copperplanes(t=0.035mm) are needed and each size is almost 75mm X 75mm. ( 0 p ^ 3(fC /W ,4layer PCB) 6.3W 1.6W 1.0W (NOTE) £ ) 6 6 / 1 2 7...
  • Page 69 <the best design : 4 layer PCB> ______ <PCB size estimation > 10Wx2ch: 75mm x 75mm <PCB size estimation > 10Wx2ch: (75+ a )mm x (75+ a ) mm 6 7 / 1 2 7...
  • Page 70 Control voltage of high level Control voltage of low level Carrier Frequency 6 8 / 1 2 7...
  • Page 71 1 7 T IT T 6 9 / 1 2 7...
  • Page 72 1 7 T FB:Ferrite Beads 7 0 / 1 2 7...
  • Page 73 iT Ä TÄ l wolfson'...
  • Page 74 -I -1 Ü O C < < < d a c b c l k a d o b c l k ° 7 2 / 1 2 7...
  • Page 76 7 4 / 1 2 7...
  • Page 77 AVDD - 5V, DVDD - 3.3V, AGND - OV, DGND - OV, T vmid = 32 Q 7 5 / 1 2 7...
  • Page 78 AVDD = 5V, DVDD - 3.3V, AGND - OV, DGND - OV, T 7 6 / 1 2 7...
  • Page 79 7 7 / 1 2 7...
  • Page 80 7 8 / 1 2 7...
  • Page 81 7 9 / 1 2 7...
  • Page 82 l c d l c d l c d rush 8 0 / 1 2 7...
  • Page 83 = 3 . 3 V . 8 1 / 1 2 7...
  • Page 84 l c d 8 2 / 1 2 7...
  • Page 85 8 3 / 1 2 7...
  • Page 86 8 4 / 1 2 7...
  • Page 87 = 3 . 3 V 3 . V : 2 . 5 ~ 5 . 0 V : - 0 . 3 ~ 0 . 5 V o f f 8 5 / 1 2 7...
  • Page 88 8 6 / 1 2 7...
  • Page 89 8 7 / 1 2 7...
  • Page 90 8 8 / 1 2 7...
  • Page 91 8 9 / 1 2 7...
  • Page 92 9 0 / 1 2 7...
  • Page 93 = 3 . 3 V 9 1 / 1 2 7...
  • Page 94 9 2 / 1 2 7...
  • Page 95 9 3 / 1 2 7...
  • Page 96 Normal 9 4 / 1 2 7...
  • Page 97 9 5 / 1 2 7...
  • Page 98 SECTION A -A SCALE 1 ( 2 9 6 / 1 2 7...
  • Page 99 9 7 / 1 2 7...
  • Page 100 9 8 / 1 2 7...
  • Page 101 9 9 / 1 2 7...
  • Page 102 2 0 0 1 2 0 0 2 2 0 1 0 2 0 1 1 1 0 0 / 1 2 7...
  • Page 103 1 0 1 / 1 2 7...
  • Page 104 1 0 2 / 1 2 7...
  • Page 105 1 0 3 / 1 2 7...
  • Page 106 NOTE : THIS R E LE A SE D DRAWI NG W A S P RE DU S E D DY S E M P UT E R BASE ASSY ASSEMBLY 27 TAPPING SCREW PART 26 TAPPING SCREW PART 25 TAPPING SCREW PART SPEAKER CABINET BACK PART...
  • Page 107 1 0 5 / 1 2 7...
  • Page 108 1 0 6 / 1 2 7...
  • Page 109 1 0 7 / 1 2 7...
  • Page 110 1 0 8 / 1 2 7...
  • Page 111 1 0 9 / 1 2 7...

  • Page 112: Software Upgrade

    Software Upgrade Process of update MT8202 Connect the Plasma/LCD TV and PC with the Software Upgrade B oard.Please find the details for connecting refering to the appendix at the end of this file. Store the MtkTool into the PC . 3 .
  • Page 113 6 . Choose the bit rate as 115200. 7 . Select the update binary by pressing browse button. For example,the binary file name is PDP4210EA1_V09.bin. (this update firmware will be sent to your side) Press Upgrade button and start update process. 1 1 1 / 1 2 7...
  • Page 114 9 . The update process is successful as the progress bar is 100%. After the update process is ok, 1 1 2 / 1 2 7...
  • Page 115 turn off power and wait indicator light is off. Turn on power and TV can work. It is needed to check the version o f the firmware for M T 8202 which has been download into the Plasma T V . Press Menu button o f the remote control, following input “...
  • Page 116 C o n n e c t a n o th e r sid e o f R S 2 3 2 c a b le (#2) to th e b o a r d (#1) 2.2 C o n n e c t R S 2 3 2 -V G A c a b le (#4) (R S 2 3 2 sid e) to th e b o a r d (#1) C o n n e c t R S 2 3 2 -V G A c a b le (#4) (V G A sid e) to th e T V 1 1 4 / 1 2 7...
  • Page 117 2.3 C o n n e c t U S B c a b le (#5) to th e b o a r d (#1) C o n n e c t a n o th e r sid e of U SB c a b le (#5) to P C 3.
  • Page 118 1 1 6 / 1 2 7...
  • Page 119 1 1 7 / 1 2 7...
  • Page 120 1 1 8 / 1 2 7...
  • Page 121 Process of update MT5351AG 1. Connect the Plasma/LCD TV and PC with the Software Upgrade Board.Please find the details for connecting refering to the appendix at the end of this file. Store the MtkTool into the PC 3 . Turn on AC power of the TV and then press the button “standby” of the remote control . The image could be found on the screen of the Plasma TV while the color of the power indicator is green .
  • Page 122 6 . Choose the bit rate as 115200. 7 . Select the update binary by pressing browse button. For example,the binary file nam e is XXXX_PDP4210EA1_000000XX_X_P.bin. (this update firmware will be sent to your side) 1 2 0 / 1 2 7...
  • Page 123 The update process is successful as the progress bar is 100%. After the update process is ok, turn off power and wait indicator light is off. Turn on power and TV can work. It is needed to check the version o f the firmware for M T 5351A G which has been download into the Plasma T V .
  • Page 124 Quick Installation Guide F o r Software Upgrade Board 1. P a r ts L ist - Software upgrade board x 1 (#1) - R S 2 32 null cable x 1 for PC (#2) - R S 2 32 null cable x 1 for D T V (#3) - U SB cable x 1 (#5) 2.
  • Page 125 2.2 C o n n e c t R S 2 3 2 c a b le f o r D T V (#3) to th e b o a r d (#1) C o n n e c t a n o th e r sid e o f R S 2 3 2 c a b le fo r D T V (#3) to th e T V 2.3 C o n n e c t U S B c a b le (#5) to th e b o a r d (#1) C o n n e c t a n o th e r sid e o f U SB c a b le (#5) to P C 1 2 3 / 1 2 7...
  • Page 126 3. C a b le s S ta n d a r d f o r U p g ra d e B o a rd Software upgrade board x 1 (#1) 1 2 4 / 1 2 7...
  • Page 127 1 2 5 / 1 2 7...
  • Page 128 1 2 6 / 1 2 7...
  • Page 129 1 2 7 / 1 2 7...