乐华彩电S34A1P(29286HB、34181HB、25A61H)机芯电路图数字板

1、5 5 4 4 3 3 2 2 1 1 DD CC BB AA I2C Address 7E 7F I2C Address 7C 7D Not Populated Option Option INPUT CS1N is not a input or output pin CS1N 0 SVP EX CPU access enabled CS1N 1 SVP EX CPU access disabled 0 011 MPUGPIO0 OUTPUT CS1N 0 MPUCS0N 1 115 57 15163 FB425A SVP EX 1 of 2 A 16 08 2005星期日 五月 Title Size Schematict NameRev Date Sheet of MPUCS0N MA3 MD16 MD1 MD19 NKL MA2 MA9 MD27 MD7 MA0 MA8 DQM0 MD23 MD2 MD29 MD20 MD5 MA4 MA5 MD24 MD12 MA1 DQM1 MD26 MD25 MD22 MD11 MA6 MD31 MD15 NKL MA7 MD14 MD13

2、 MD9 MD8 MD6 MD3 MD0 MD28 MD17 DQM2 MD30 MD21 MD18 MA10 DQM3 MD10 MD4 A3 A2 A4 A5 A6 A0 A1 A7 MPUGPIO0 MPUGPIO1 MD 0 31 RD ALE WR MA 0 10 DQM 0 3 RST SD1 SC1 NKL CAS RAS CS0 A 0 7 WE CLKE BA INT CS FBLK 5V 2 VDDM VDDMVDDM VCC 3 VDDM C4 C5C9 SVP EX 208 1 of 2 U1A SVP EX 208 53 55 56 58 62 64 66 68 69 71 72 74 78 80 82 84 124 126 128 130 134 136 137 139 140 142 144 146 150 152 153 155 59 75 133 149 60 76 132 148 85 87 88 90 91 93 94 96 98 99 101 102 106 107 109 111 113 114 116 118 120 121 123 157

3、156 115 117 151 145 135 129 112 110 100 95 79 73 63 57 147 143 131 127 108 105 97 92 81 77 65 61 13 12 15 16 14 165 164 163 162 161 160 159 158 170 171 172 173 174 18 17 MD0 MD1 MD2 MD3 MD4 MD5 MD6 MD7 MD8 MD9 MD10 MD11 MD12 MD13 MD14 MD15 MD16 MD17 MD18 MD19 MD20 MD21 MD22 MD23 MD24 MD25 MD26 MD27 MD28 MD29 MD30 MD31 DQM0 DQM1 DQM2 DQM3 DQS0 DQS1 DQS2 DQS3 MA11 MA10 MA9 MA8 MA7 MA6 MA5 MA4 MA3 MA2 MA1 MA0 MCK0 MCK0 CS0 CS1 RAS CAS MVREF WE CLKE BA0 BA1 MPUGPIO0 MPUGPIO1 VDDR VSSR VDDM VDDM VDDM

4、 VDDM VDDM VDDM VDDM VDDM VDDM VDDM VDDM VDDM VSSM VSSM VSSM VSSM VSSM VSSM VSSM VSSM VSSM VSSM VSSM VSSM RESET TESTMODE V5SF SDA SCL A D7 A D6 A D5 A D4 A D3 A D2 A D1 A D0 RD WR ALE MPUCS0N INT FLD IO P 17 R149 10K C189 0 1uF C8 R339 10K R224 10K R143 0 C183 68pF C3 R1410 DNS RN1 22 4 12 34 56 78 C2C7 C182 68pF C10 R150 10K RN3 22 4 12 34 56 78 C6 TP2 TP C30 C188 0 1uF C186 0 1uFC13 TP1 TP C30 C12 R13668 R338 0 R1510 DNS R152 1K D39 IN4148 C1 R13768 RN2 22 4 12 34 56 78 C11 彩电维修资料网彩电维修资料网 TVTV

5、160160 彩 电 维 修 资 料 网彩 电 维 修 资 料 网 5 5 4 4 3 3 2 2 1 1 DD CC BB AA PRELIMINARY Option EX32 USE EX22 USE Option EX12 USE When use EX12 R146 use 0ohm When use EX22 R146 use 10Kohm FB425A SVP EX 2 of 2 B 26 08 2005星期日 五月 Title Size Schematict NameRev Date Sheet of Cb AVDD ADC3 Cr MLF1 VREFP 3 PLF2 PR R2 PAVDD1 PB B2 Y G2 PAVDD CVBS2 VDDL CVBS1 Y CVBS OUTN C CVBS3 Y G1 G Y1 Y2 CVBS1 G PB B2 G Pr1 Pr2 Pb1 Pb2 PAVSS2 PAVDD2 PAVDD1 AIN N1 PAVDD PDVSS AVSS ADC3 AVDD ADC2 AIN N2 AIN N3 PDVDD AVSS ADC2 CVB

6、S1 AVDD ADC1 VREFP 2 VDDH Cr CVBS3 PAVDD2 VREFP 1 MLF1 AVDD ADC3 C AVSS3 BG ASS VDDL VREFN 2 VREFN 1 Cb PAVSS VREFP 1 PDVDD AIN N2VREFP 3 PLF2 CVBS2 VREFN 3 AIN N1 PB B2 AVSS ADC1 VREFN 1 VREFP 2 VREFN 2 AVDD3 AVSP2 CVBS OUTP VDDH AVDD ADC1 PAVSS1 VSSL PR R2 CVBS OUTN AVDD ADC2 AVDD3 AVSP2 CVBS OUTP VREFN 3 Y Y G2 VSSC Y G2 G B R G AVSS33 3 AVDD33 ADVDD33 AVDD33 AVSS33 1 ADVDD33 VDDC VDDH VSSH VDDC VDDH VSSC AVSS3 BG ASS VSSH Y G1 G PR R1 G AVSS ADC1 CVBS1 G AVSS33 1 PR R2 G PR R2 G VSSH PB B1 G

7、 C G AVSS ADC3 CVBS2 G C G VSSL AVSS ADC3 PR R1 G PB B1 G CVBS2 G VSSH VSSC CVBS3 G PAVSS AVSS33 3 AVSS ADC2 CVBS3 G PDVSS AVSS33 2 AVSS ADC2 Y G2 G AVSS ADC1 AVSS33 2 PAVSS2 PB B2 G PAVSS1 AIN N3 VGA GIN VGA RIN VGA BIN B G R VM R G B PB B1 G Y G1 G PR R1 G HD PB1 HD Y1 HD PR1CVBS 3 CVBS 2 CVBS 1 C IN1 CVBS3 G CVBS2 G CVBS1 G C G VGA GIN G VGA BIN G VGA RIN G VGA HSIN VGA VSIN VSYNC HSYNC ROUT GOUT BOUT CVBS OUT CVBS OUT G CLAMP VL1 8 VA1 8 VD1 8 VA1 8 VD1 8 AGND AGND VD3 3 AGND VD1 8 VD3 3 AGN

8、D VA1 8 AGND VD3 3 AGND AGNDAGNDAGND VD3 3 VD1 8 5V 2 C235 10uF 16V C228 10uF 16V R155 75 FB30 150 Ohm 600mA 12 C239 0 1uF R162 75 R63 75 C223 0 1uF R158 75 C206 0 1uF C204 10uF 16V C1920 1uF C226 10uF 16V C205 0 1uF C240 0 1uF FB32 150 Ohm 600mA 12 C209 10uF 16V C2032700pF C1940 1uF C221 0 1uF C65 0 1uF C153 10pF C72 0 1uF C1930 1uF Q11 MMBT3904 EC B C241 0 1uF C215 0 1uF C2102700pF C207 10uF 16V C236 0 1uF Y3 14 318MHz C64 0 1uF C154 10pF C233 0 1uF R157 75 FB26150 Ohm 600mA 12 C231 30pF R1485

9、60 C1950 1uF C242 0 1uF C217 0 1uF DNS R189100 R327 12K C1960 1uF C155 10pF C1990 1uF C2320 1uF SVP EX 208 2 of 2 U1B SVP EX 208 1 208 207 206 205 204 195 194 193 192 203 202 201 200 199 198 197 196 190 191 189 188 184 183 182 181 186 187 185 178 177 176 175 180 179 169 168 167 166 154 141 138 125 122 119 104 103 89 86 83 70 67 54 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 44 45 46 47 48 49 50 51 52 2 4 5 7 9 8 3 6 10 11 42 43 XTALO XTALI PAVSS PAVDD PDVSS PDVDD VREFP 1

10、 VREFN 1 AVSS ADC1 AVDD ADC1 AIN N3 Y G2 AIN N2 Y G1 AIN N1 CVBS3 CVBS2 CVBS1 CVBS OUTP CVBS OUTN AVSS3 BG ASS AVDD3 AVSP2 VREFP 2 VREFN 2 AVSS ADC2 AVDD ADC2 PB B1 PB B2 C VREFP 3 VREFN 3 AVSS ADC3 AVDD ADC3 PR R2 PR R1 VSSC VDDC VSSH VDDH VSSC VDDC VSSC VDDC VSSC VDDC VDDL VSSL VDDC VSSC VDDC VSSC VDDC VSSC VDDH VSSH P 21 P 22 P 23 P 24 P 25 P 26 P 27 P 28 P 29 P 30 P 31 P 32 P 33 P 34 P 35 P 36 P 37 P 38 P 39 P 40 P 41 P 44 P 45 P 46 P 47 P 48 P 49 P 50 P 51 P 52 PAVDD1 PAVSS1 PAVDD2 PAVSS2 V

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