5 4 3 2 1 D D C C B B A A Vcc3.3for MST9X88L analog Vcc3.3for MST9X88L Digital 3.3V for AVDDPLL2 +3.3V for VDD_MPLL 2.5V for MST9X88L and DDRAM 2.5V for DDRAM +3.3AVDD for AVDD_AU +3.3AVDD for AVDD_SIF +2.5V for MST5151LA pin6,pin12 +3.3AVDD for AVDD_HDMI Vcc1.8 for MST5151LA LCD Power 1.25*(1+Rdown/Rup)=1.8V---Rup=1.2K, Rdown=510 1.25*(1+Rdown/Rup)=3.3V---Rup=510, Rdown=820 +8V for 74HC4052 SWITCH AUDIO pin36 +3.3AVDD for AVDDA Normal: L Standby:H LG-PHILIPS LC320W R10=NC,R12=10K; Other R10=10K,R12=NC; HOUDA MST9X88L POWER A3 1 11 Friday, December 15, 2006 Size Document Number Rev Date: Sheet of BL-ON/OFF BL-ADJUST ADJ-PWM2 POWER-ON/OFF PWM3_PANEL ON-PBACK POWER-ON/OFF1 ADJ-PWM2 2 POWER-ON/OFF 2,8 PWM3_PANEL 2 ON-PBACK 2 POWER-ON/OFF1 5Vstb VPANEL_IN +5V VCC-Panel +12V 5Vstb +3.3AVDD +3.3AVDD VDD_MPLL +3.3AVDD AVDD_MemPLL +3.3AVDD AVDD_AU +3.3AVDD AVDD_SIF +3.3AVDD AVDD_HDMI +3.3V VDDP VDDP +3.3V VDDC VDDC 5Vstb +2.5VM +2.5MVDD +2.5VM +2.5MVDD +2.5VM +2.5V_DMC +2.5V_DMQ +2.5VM +5V 5Vstb 5Vstb1 5Vstb +12V +5V +3.3V 5Vstb +8V +12V +3.3AVDD AVDDA +3.3V 5Vstb +3.3V Q2 3904 1 2 3 C47 0.1uF C57 0.1uF C60 390pF 1 2 C62 0.1uF C35 0.1uF R338 4.7K + CA19 47uF/16V L24 FB C49 0.1uF CA59 47uF/16V L18 FB C31 0.1uF + CA26 10uF/16V 1 2 R20 510 L2 NC/600(4.5X3.2) C21 0.1uF C23 0.1uF Q4 3904 1 2 3 + CA107 470uF/35V C112 0.1uF + CA108 470uF/16V L22 10uH + CA18 10uF/16V CON8 CON4_2.0 1 2 3 4 ADJ OUT IN U8 AMS1117-2.5 3 2 1 4 CON2 CON3_2.0 3 2 1 BRI_ON/OFF BRI_ADJ GND R2 10K C56 0.1uF R214 510 L16 FB C54 0.1uF R18 NC C44 0.1uF C50 0.1uF ADJ OUT IN U5 AMS1117-3.3 3 2 1 4 C55 0.1uF C32 0.1uF C52 0.1uF L13 10uH C24 0.1uF D5 B330A + CA22 10uF/16V E B C SOT 23 Q34 3904 1 3 2 U2 4435 1 2 3 4 8 7 6 5 S S S G D D D D R12 10K C2 0.1uF C46 2.2uF C63 0.1uF C45 0.1uF + CA24 10uF/16V 1 2 R10 NC C38 0.1uF R21 0 Q3 3904 1 2 3 Q1 3904 1 2 3 + CA14 47uF/16V R337 4.7K C59 2.2uF 1 2 C37 0.1uF + CA15 10uF/16V C111 0.1uF R6 4.7K R1 2K R213 820 R15 10K C53 0.1uF + CA27 10uF/16V 1 2 R340 5.6 + CA20 47uF/16V L23 10uH R14 1K R13 4.7K D1 LampRED 2 1 + CA25 10uF/16V + CA21 47uF/16V L12 10uH C15 0.1uF + CA16 47uF/16V C51 0.1uF + CA17 10uF/16V R19 1.2K L25 FB Q5 NC(3904) 1 2 3 R16 4.7K C287 0.1uF + CA5 47uF/25V C39 0.1uF C30 0.1uF C19 0.1uF CON14 CON2_2.0 1 2 C36 0.1uF C28 0.1uF OUT ADJ IN U6 AP1084-adj +1.8V Regulator TO-263 3 2 1 4 R9 10K C34 0.1uF C25 0.1uF C1 0.1uF C33 0.1uF C22 0.1uF R11 1K OUT ADJ IN U7 AP1084-adj +3.3V Regulator TO-263 3 2 1 4 C20 0.1uF L21 FB L19 10uH C8 0.1uF + CA106 470uF/16V + CA13 47uF/16V + CA12 47uF/16V R5 4.7K C29 0.1uF R17 NC L90 FB U18 LM7808 2 3 1 GND VOUT VIN C13 0.1uF C43 390pF C58 0.1uF C14 2.2uF R336 NC CA58 47uF/16V L20 FB C26 0.1uF + CA23 47uF/16V C27 0.1uF + CA29 10uF/16V L6 FB L15 FB C18 0.1uF C3 0.1uF 这一页图纸电路是一些电源模 块处理电路。修机时一定要先 去检查这些电路，以确保供电 正常。 5 4 3 2 1 D D C C B B A A I2C address at A0. Location Near IC Pin. Mode Selection Debug port I2C address at A4. Location Near IC Pin. Mstar PULL UP SST PULL DOWN DVI INPUT VGA INPUT SCART INPUT VIDEO INPUT Y,Pb,Pr INPUT Location Near IC Pin. Location Near IC Pin. AUOut2 for MST6688LA only near output near output near output Option for MST6688LA only MST8X88L 2 11 Thursday, December 28, 2006 Title Size Document Number Rev Date: Sheet of WP DI3 ADJ-PWM2 SDA1 LED-R SPI_CZ AR11 VCOM1 PB+ PH-Lout PH-Rout TXD1 LED1 MCLK- SDA MVREF MDATA14 ADJ-PWM2 TUNER_CVBS SPI_DI SPI_CK MDATA12 MDATA1 MDATA15 MDATA7 MDATA2 MDATA4 RXE4- RXE4+ MDATA10 MDATA9 MDATA3 MDATA13 MDATA0 MDATA11 MDATA5 MDATA6 MDATA8 PWM1 Scartin SCL SV_C0 MCLK+ CASZ TXD HD-VSW0 A-SW0 VCOM0 B_TX0- B_TX0+ SV_Y0 IR-in/out RXD PWM0 MVREF DQM TXD RXD FSVREF VCOM2 RDX1 FSVREF DI1 CKE MCLK+ MCLK- DQS0 DQM SBA0 RASZ DQS1 WEZ HDMI_SCL HDMI_SDA TXCLK+ R_TX2+ TXCLK- G_TX1+ G_TX1- R_TX2- HDMI_SCL G_TX1+ HDMI_SDA HS_RGB BIN- GIN- GIN+ SOG RIN+ BIN+ VS_RGB RIN- VS_RGB BIN- GIN- RIN- R_TX2- RIN+ HS_RGB GIN+ SOG BIN+ SCB+ SCR- SCG+ SCR+ SCB- SCG- R_TX2+ G_TX1- B_TX0- B_TX0+ TXCLK+ SV_C0 SV_Y0 VCOM2 CVBS3 CVBS2 CVBS1 VCOM1 TUNER_CVBS VCOM0 CVBSOut MDATA3 MDATA14 PWM0 TXCLK- MDATA0 MDATA8 MDATA13 MDATA11 MDATA5 MDATA6 MDATA12 MDATA2 MDATA1 MDATA15 MDATA4 MDATA10 MDATA9 MDATA7 RASZ MCLK+ CASZ WEZ SBA1 CKE SBA0 MCLK- DQM DQS0 DQS1 AR9 AR3 AR2 AR7 AR6 AR1 AR10 AR5 AR4 AR8 MDATA[0..15] A-SW1 AV1-Cin AV1-Yin- AV2-Vin+ AV3-Vin+ AV1-Yin TV1-Vin+ AV2-Vin- CVBS3 CVBSOut SPI_DI SPI_DO SPI_CK SPI_CZ SC_FSW SC_FS IF-AFT PWM1 PWM3_PANEL KEY1 KEY0 SC_FS SC_FSW SCG- SCR- SCR+ SCB- SCB+ SCG+ PR- Y- Y+ SOY PR+ PB- Y- PR- SOY PB+ PB- PR+ Y+ AV1-Vin+ TV1-Vin- RXE4- RXE1- RXE2- RXEC- RXE0- IR_SYNC RXE3- WP_FSH AMP-Rout AMP-Lout RXE1+ RXE0+ RXE2+ RXEC+ RXE3+ RXE4+ RXO0- RXOC+ RXO1+ RXO2- RXO3- RXO3+ RXO2+ RXOC- RXO0+ RXO1- SPI_DO DI5 RXO4- RXO4+ DI5 Scart1_Rout DI3 DI1 DI4 DI4 SC_SOG AR4 AR3 AR2 AR5 AR6 AR1 AR10 AR7 AR8 USB-ON/OFF AR0 AR11 SBA1 CVBS2 SCL1 AV2-Cin AV2-Yin SC_Chroma PWM3_PANEL SC_CVBS IR_SYNC USB-ON/OFF AR9 CVBS1 IRin RXE1- RXE1+ RXE2- RXE0- RXE0+ RXE2+ RXEC- RXEC+ RXE3- RXE3+ SC_SOG TV-SIFP SIFP TV-SIFM SIFM SIFM SIFP AMP-Rout PH-Rout AMP-Lout PH-Lout AMP_SOUT TV1-L/Rin AUCOM MUX-Rin MUX-Lin AV2-Rin AV2-Lin AV1-Rin AV1-Lin AV3-Rin AV3-Lin AUVREF AUVRADP AMP_SOUT AMP-S SYS_RST KEY1-in KEY0-in IR-in KEY1 KEY0 AMP-R AMP-L PH-R1out PH-L1out AUOutL2 AUOutR2 AUOut2-R AUOut2-L AUOutR2 AUOutL2 Scart1_Lout SDA SCL SDA SCL USB1-ON/OFF POWER-ON/OFF WP_FSH WP AMP-MUTE USB1-ON/OFF AUVRADN SDA SCL SDA SCL ON-PBACK AR0 POWER-ON/OFF LED1 HPDCTRL KEY1 KEY0 RXO4+ RXOC+ RXO1+ RXO2+ RXO0+ RXO3+ RXO2- RXO4- RXO3- RXOC- RXO1- RXO0- SDA_EXT SCL_EXT B_TX0+ 3 IF-AFT 7 B_TX0- 3 R_TX2+ 3 HD-VSW0 5 AMP-MUTE 8 TXCLK+ 3 R_TX2- 3 TXCLK- 3 HDMI_SCL 3 G_TX1+ 3 HDMI_SDA 3 G_TX1- 3 CVBSOut 6 Scartin 4,6 TV-SIFP 7 TV-SIFM 7 TV1-L/Rin 6 MUX-Rin 10 MUX-Lin 10 AV2-Lin 6,10 AV2-Rin 6,10 AV1-Lin 6 AV1-Rin 6 AV3-Lin 6 AV3-Rin 6 AMP-L 8 AMP-R 8 PH-R1out 9 PH-L1out 9 AUOut2-L AUOut2-R Scart1_Lout 6,9 Scart1_Rout 6,9 A-SW0 9 PWM3_PANEL 1 ADJ-PWM2 1 SDA_EXT 7 HPDCTRL 3 ON-PBACK 1 POWER-ON/OFF 1,8 SCL_EXT 7 PWM1 1 +2.5MVDD +2.5V_DMC +2.5V_DMQ +3.3V VDDP VDDC 5Vstb +3.3V AVDD_HDMI +3.3V 5Vstb +5V +2.5V_DMC +2.5V_DMQ +2.5V_DMQ 5Vstb 5Vstb +2.5MVDD AVDD_AU AVDD_SIF AVDDA AVDD_HDMI VCC-Panel +5V VDD_MPLL AVDD_MemPLL +3.3V +3.3V +3.3V 5Vstb GND 5Vstb +3.3V +3.3V +3.3V C290 0.1uF R296 10K C154 10nF D2 BAT54C/BAV70 1 2 3 C81 100pF C95 10nF C65 0.1uF C101 NC RP13 RP33X4 1 3 5 7 2 4 6 8 U15 CS4344 7 2 3 4 5 6 1 8 9 10 AOUTL SCLK LRCK MCLK VQ FILT+ SDIN GND VA AOUTR CA91 10uF/16V C103 0.1uF R44 100 R35 1K R450 0 C69 2.2uF R448 NC L54 FB RP11 RP33X4 1 3 5 7 2 4 6 8 R74 NC R30 4.7K R451 NC C96 10nF R449 NC R366 NC R29 4.7K C273 2.2uF R24 10K C66 0.1uF C289 0.1uF C113 2.2uF U11 HY5DU281622ET 29 30 31 32 35 36 37 38 39 40 28 41 2 4 5 7 8 10 11 13 54 56 57 59 60 62 63 65 26 27 24 23 22 21 20 47 16 51 44 45 46 1 18 33 3 9 15 55 61 34 48 66 6 12 58 64 49 52 14 17 19 25 43 53 50 42 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10/AP A11 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 BA0 BA1 CS RAS CAS WE LDM UDM LDQS UDQS CKE CLK CLK MVDD MVDD MVDD VDDQ VDDQ VDDQ VDDQ VDDQ VSS VSS VSS VSSQ VSSQ VSSQ VSSQ VREF VSSQ NC NC NC NC NC NC NC NC C279 2.2uF C84 10nF C82 NC/0.1uF R155 100 D53 BAV99 3 2 1 C75 0.1uF CA105 47uF/16V R57 10 Y1 14.318MHZ 1 2 3 P6 3V 1 2 3 C147 2.2uF C128 0.1uF C148 2.2uF C105 0.1uF R52 0/NC R158 NC/100 R50 10 C72 0.1uF R77 NC R63 10 C275 2.2uF L26 0 C277 2.2uF R43 4.7K/NC R67 NC CON5 CON6-2.0 1 2 3 4 5 6 Q9 3906 1 3 2 R159 100 C149 1nF C98 0.1uF R149 22K R59 10 R70 NC L35 FB R28 1M L50 FB 7 5 3 1 8 6 4 2 RP18 RP4.7KX4 C153 1nF RP8 RP33X4 1 3 5 7 2 4 6 8 C107 0.1uF CA109 10uF/16V C125 0.1uF U3 PT-RTC 1 2 3 4 5 6 7 8 INT1 SCL SDA VSS INT2 OSCout OSCin VDD R297 10K C90 10nF C83 NC/0.1uF R352 22K D80 PESD3V3L4UG 1 2 3 4 5 A GND B C D R71 100 C271 2.2uF R293 22K C102 0.1uF C126 10nF C276 2.2uF C278 2.2uF R23 1K L37 FB R58 10 C92 10nF 7 5 3 1 8 6 4 2 RP14 RP4.7KX4 C104 0.1uF R46 1K U9 MST9X88L 4 5 3 7 8 6 10 11 9 1 2 12 13 14 15 16 17 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 63 66 70 71 72 74 77 78 79 80 81 82 86 83 84 85 248 88 89 90 91 92 93 94 95 96 238 98 99 102 104 105 107 108 109 110 112 113 114 115 116 118 119 120 121 122 123 124 125 126 127 106 128 129 130 256 134 135 136 137 138 139 140 141 142 143 224 195 147 148 149 150 159 160 161 233 196 165 167 164 166 168 169 170 171 172 173 174 175 176 177 178 179 97 183 184 185 186 187 188 189 190 192 193 194 180 197 198 199 200 201 202 203 204 205 206 207 208 144 223 211 212 213 214 215 216 217 218 219 220 221 222 163 225 226 227 228 229 230 231 232 87 234 235 236 237 182 239 240 241 242 243 244 245 246 247 209 249 250 251 252 253 254 255 75 76 19 18 73 117 210 133 162 151 152 153 154 155 156 157 158 61 62 64 65 67 68 69 100 101 103 131 132 145 146 181 191 111 DVIRX0N DVIRX0P GNDA DVIRX1N DVIRX1P AVDD_DVI DVIRX2N DVIRX2P GNDA DVI_CKN DVI_CKP AVDD_DVI REXT DDCD_SDA DDCD_SCL HSYNC1 VSYNC1 REFP REFM BIN1P BIN1M SOGIN1 GIN1P GIN1M RIN1P RIN1M BIN0M BIN0P GIN0M GIN0P SOGIN0 RIN0M RIN0P AVDD GNDA HSYNC0 VSYNC0 VSYNC2 BIN2P BIN2M SOGIN2 GIN2P GIN2M RIN2P RIN2M C1 Y1 C0 Y0 VCOM2 CVBS3 CVBS2 CVBS1 VCOM1 CVBS0 VCOM0 CVBSO AVSS_SIF AVDD_SIF AVSS_SIF AVDD_AU AUL0 AUR0 AUR1 AUR2 AUL3 AUR3 AUMONO BPSL BPSR AUOUTR NC/AUOL2 NC/AUOR2 AUOUTL DI12/AISD1 VD2 VD3 VD4 VD5 VD6 VD7 VD8 VD9 VDCLK DI4/AUSCK GNDP VDDC MD14 MD13 MD12 MD11 MD10 MD9 MD8 VDDM MD7 MD6 MD5 MD4 MD3 MD2 MD1 MD0 DQS0 DQM MVREF MCLKE MCLKZ MCLK VDDM BADR1 BADR0 RASZ AVDD_MPLL CASZ WEZ MA0 MA1 MA2 MA3 MA4 MA5 MA6 MA7 GNDP VDDC MA8 MA9 MA10 MA11 WRZ RDZ ALE DI0/SPIDFO VDDP SPI_DI SPI_DO SPI_CK SPI_CZ SAR0 SAR1 SAR2 SAR3 PWM0/MCUCFG0 PWM1/MCUCFG1 DDCR_DA DDCR_CK DDCA_DA DDCA_CK INT PAD_IRIN VDDP DIGO0 DIGO1 DIGO2 DIGO3 DIGO4 DIGO5 DIGO6 DIGO7 PWM2/MCUCFG2 PWM3/MCUCFG3 AVDD_MPLL VDDP LA4P LA4M LA3P LA3M LACKP LACKM LA2P LA2M LA1P LA1M LA0P LA0M VDDM VDDP LB4P LB4M LB3P LB3M LBCKP LBCKM LB2P LB2M LB1P LB1M LB0P LB0M GNDP GPIOE3/LCK GPIOE2/LDE GPIOE1/LHSYNC GPIOE0/LVSYNC ICLK/UARX0 IDE/UATX0 IHSYNC/UARX1 IVSYNC/UATX1 AUOUTS DI1/AUMCKO DI2/AUMUTE DI3/AUWS VDDP VDDC DI5/AUSDO DI6 DI7 VDDC GNDC DI8/SPIDFIN DI9/AIWS DI10/AISCK DI11/AISD VDDP DI13/AISD2 DI14/AISD3 DI15 VDDP HWRESET XOUT XIN AUCOM AUL2 VCLP RMID AUL1 VDDM GNDP AVDD_MemPLL VDDP AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 SIF0M SIF0P SIF1P SIF1M AUVRADN AUVRADP AUVREF DQS1 MD15 GNDM GNDM VDDM GNDM VDDC GNDC DIGO8 GNDM C129 2.2uF C109 0.1uF R34 390R1% R348 4.7K R351 22K R62 10 Q41 3904 1 2 3 C270 2.2uF R349 4.7K C172 10nF CON6 CON36 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 VCC VCC VCC VCC VCC VCC GND GND GND GND GND GND B0+ B0- B1+ B1- B2+ B2- BC+ BC- B3+ B3- GND GND A0+ A0- A1+ A1- A2+ A2- AC- AC- A3+ A3- GND GND C67 22pF R76 10K R56 100 R45 4.7K/NC R25 0 R84 100 RP7 RP33X4 1 3 5 7 2 4 6 8 U35 24C04 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC CA35 10uF/16V R40 100 C94 10nF C108 0.1uF R157 100 C74 22pF L49 FB C70 2.2uF R47 1K R73 NC R32 8.2K C76 0.1uF 7 5 3 1 8 6 4 2 RP15 RP4.7KX4 R60 10 C88 390pF R468 10K C272 2.2uF C77 0.1uF C212 10nF R136 10K R469 10K U13 PS25VF040 1 2 3 4 5 6 7 8 CE# SO WP# VSS SI SCK HOLD# VDD R53 10 CON29 1 2 3 7 5 3 1 8 6 4 2 RP16 RP4.7KX4 R54 4.7K CON17 NC/CON2_2.0 1 2 CA34 47uF/16V R156 100 RP20 RP33X4 1 3 5 7 2 4 6 8 R38 4.7K C68 2.2uF C106 0.1uF R357 4.7K L33/NC 0 CA90 10uF/16V R153 22K R3 22 R86 100 C85 10nF R4 22 C152 1nF R69 10K R66 1K C100 NC R64 10 L36 FB L60 FB R31 8.2K R55 150 1% X3 32.768K R48 1K R272 22K R36 1K U34 24C32 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC RP9 RP33X4 1 3 5 7 2 4 6 8 R341 10K R61 10 C127 10nF CA36 10uF/16V R49 1K C97 2.2uF C176 10nF C91 10nF C4 18uF R51 10 R148 NC R154 22K C93 10nF C5 18uF C188 10nF R65 4.7K Q7 3904/NC 1 2 3 C78 0.1uF C80 100pF R160 NC/100 C87 0.1uF C110 0.1uF C86 10nF R42 100 R75 10K CON4 CON10_2.0 1 2 3 4 5 6 7 8 9 10 C130 2.2uF C79 100pF CON7 CON4_2.0 Debug Port 1 2 3 4 L62 FB C99 100pF 7 5 3 1 8 6 4 2 RP17 RP33X4 R41 100 C89 10nF R39 10 R68 NC SOG 4 BIN+ 4 RIN+ 4 GIN- 4 HS_RGB 4 BIN- 4 RIN- 4 VS_RGB 4 GIN+ 4 SCG- 6 SCB- 6 SCB+ 6 SCG+ 6 SCR- 6 SCR+ 6 AV1-Yin 6 TV1-Vin+ 6 AV1-Cin 6 AV2-Vin+ 6 AV1-Yin- 6 AV3-Vin+ 6 AV2-Vin- 6 SC_FSW 6 SC_FS 6 Y- 5 Y+ 5 PR+ 5 PB- 5 SOY 5 PR- 5 PB+ 5 AV1-Vin+ 6 TV1-Vin- 6 RXD 4 TXD 4 AV2-Yin 6 AV2-Cin 6 SC_SOG 6 A-SW1 MST9X88L是一款用于多功能LCD监视器 或电视的高性能的集成芯片。支持SXGA 和WXGA视频格式。它集成了三倍的ADC/ PLL，DVI /HDCP/HDMI 接收器，多标准视 频信号和声频信号解码器，逐行处理 器，图象增强处理器，MSt arACE- 3色 彩处理器，OSD控制器，8位的MCU，内 置输出平板接口，外部帧存储器，3D 视频解码处理器。为了更进一步降低 成本，MST9U88L集成了智能电源控制和 电磁干扰控制。 当这个I C有问题时会出现不开 机、黑屏、图像、字符不良的 故障现象。 U11是一个DDR，当有问题时 会出现花屏、雨状干扰等故 障现象。 5 4 3 2 1 D D C C B B A A HDMI A 3 11 Thursday, December 28, 2006 Title Size Document Number Rev Date: Sheet of HPDCTRL G_TX1+ HDMI_SCL HDMI-HPD R_TX2- R_TX2+ G_TX1- B_TX0- B_TX0+ TXCLK+ TXCLK- HDMI-RX2- HDMI-RX1- HDMI-RX0- HDMI-RXC- HDMI-RX1+ HDMI-RXC+ HDMI-RX2+ HDMI-RX0+ HDMI_SDA HDMI-DDC-SDA HDMI-DDC-SCL R_TX2+ 2 R_TX2- 2 G_TX1+ 2 G_TX1- 2 HDMI_SCL 2 B_TX0+ 2 HDMI_SDA 2 HPDCTRL 2 B_TX0- 2 TXCLK+ 2 TXCLK- 2 +5V_HMDI_ESD +5V_HMDI_ESD HDMI/5V 5Vstb +5V_HMDI_ESD 5VA 5Vstb D13 BAV99 3 1 2 R79 4.7K P1 HDMI_J 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 DATA2+ DATA2 SHIELD DATA2- DATA1+ DATA1 SHIELD DAT1A- DATA0+ DATA0 SHIELD DATA0- CLK+ CLK SHIELD CLK- CEC NC SCL SDA DDC/CEC GND +5V POWER HOT PLUG GND1 GND2 GND GND4 D15 BAV99 3 1 2 C121 0.1uF L34 FB L1 FB C119 0.1uF C124 0.1uF + CA31 47uF/16V C122 0.1uF C118 0.1uF R83 100 D18 BAV99 3 1 2 R317 10 C115 0.1uF R311 10 R82 100 D11 BAV99 3 1 2 R314 10 D14 BAV99 3 1 2 R313 10 R316 10 D12 BAV99 3 1 2 E B C SOT 23 Q8 3904 1 3 2 R315 10 D16 BAV99 3 1 2 D21 5.6V 1 2 R85 0 U14 24C04 1 2 3 4 5 6 7 8 NC NC NC GND SDA SCL WP VCC R87 1K D20 5.6V 1 2 C120 0.1uF D17 BAV99 3 1 2 C116 0.1uF D19 BAT54C 3 1 2 R80 4.7K R78 1K R312 10 C117 0.1uF C123 0.1uF R310 10 R81 4.7K 这部分电路是HDMI 信号输入接口电 路。当HDMI 无像、不同步等故障现象 时，应重点检查此部分电路的元器 件。 5 4 3 2 1 D D C C B B A A S D S D 1 VGA A 4 11 Thursday, December 28, 2006 Title Size Document Number Rev Date: Sheet of RXD VGA-SCL VGA-G+ VS_RGB VGA-SDA RIN- VGA-VS BIN+ VGA-HS VGA-R+ RIN+ BIN- TXD GIN- PROTECT PROTECT VGA-B+ SOG HS_RGB GIN+ TXD RXD VGA-SDA VGA-SCL PWM1 PROTECT 5VA 5VA VGA/5V 5VA 5VA +3.3V R111 NC R107 10K L43 FB R113 NC D31 5.6V 1 2 L39 0 L42 FB R462 10K D29 5.6V 1 2 C139 0.1uF R464 10k C141 47nF R96 10 R109 4.7K R115 10 Q46A 2N7002 D26 BAV99 3 1 2 D30 1N4148 D79 1N4148 R461 4.7K R103 47 R101 75 C145 0.1uF R110 4.7K U16 24C02 1 2 3 4 5 6 7 8 NC NC NC GND SDA SCL VCLK VCC D81 PESD5V0S2BT 1 2 3 D25 BAV99 3 1 2 L41 FB P3 VGA 5 10 4 9 3 8 2 7 1 15 14 13 12 11 6 16 17 D24 BAV99 3 1 2 R100 75 R112 10K R116 NC R463 0 R108 4.7K R114 10 D28 5.6V 1 2 C137 47nF R465 0 C135 47nF L40 0 R106 1K L38 0 C144 NC C138 0.1uF Q47 3904 1 2 3 C136 1nF R105 1K Q45A 2N7002 R95 10 C142 47nF R99 75 R97 10 D27 5.6V 1 2 R467 100 R98 330 R104 47 C133 47nF C140 0.1uF R466 1K C134 47nF R102 47 L44 FB C143 NC GIN- 2 BIN+ 2 RIN- 2 SOG 2 GIN+ 2 HS_RGB 2 TXD 2 BIN- 2 VS_RGB 2 RIN+ 2 PWM1 2,6 TXD 2 RXD 2 这部分电路是VGA信号接口电路，当VGA无像、VGA图像不同步等故障现象 时，应重点检查此部分电路的元器件。 5 4 3 2 1 D D C C B B A A To MST IC PVR HD INPUT B 5 11 Friday, December 15, 2006 Title Size Document Number Rev Date: Sheet of Y HD1_PBIN HD1_YIN HD2_PBIN HD1_PRIN Y1 Y- PB- PR- PR+ Y+ HD1_PRIN HD1_PBIN HD2_PRIN SOY PB+ Pb HD2_YIN HD1_YIN HD1_PBIN HD1_PRIN Y Pb Pr Pb1 Pr1 HD2_PRIN HD2_YIN HD2_PBIN Y2 Pb2 Pr2 HD3_PRIN Y2 Pb2 Pr2 HD3_YIN HD3_PBIN HD-VSW0 Pr Y2 Pb2 Pr2 AV2-L AV2-R HD1_YIN HD3_YIN 6 HD3_PBIN 6 HD3_PRIN 6 HD-VSW0 2 AV2-L 10 AV2-R 10 5VA 5VPI 5VA 5VPI 5VA 5VPI +3.3AVDD L46 0 R150 NC R135 75 R129 75 C161 47nF R125 10 R145 10K R162 NC R143 75 R130 75 + CA38 10uF/16V C160 47nF R119 10K L47 0 L48 0 R378 0 L53 0 R367 0 L63 FB/NC R128 75 D37 BAV99 3 2 1 R124 10 L52 0 D38 BAV99 3 2 1 R132 10K R120 330 R140 10K CA44 10uF/16V D33 BAV99 3 2 1 C166 47nF R147 10K R117 10K U17 PI5V330/NC 2 5 11 14 3 6 10 13 1 4 7 9 12 16 8 15 S1A S1B S1C S1D S2A S2B S2C S2D IN DA DB DC DD VCC GND EN CA41 10uF/16V R122 330 Q12 3906 1 3 2 R151 NC C158 47nF R121 330 C151 0.1uF R118 10K R144 75 R141 10K CA40 10uF/16V R146 10K L45 FB D32 BAV99 3 2 1 Q10 3906 1 3 2 C155 0.1uF CA46 10uF/16V NC CON9_2.0 1 2 3 4 5 6 7 8 9 C156 47nF R133 10K D39 BAV99 3 2 1 CA45 10uF/16V R142 75 R368 0 R126 10 C157 47nF R139 10K C159 1nF Q11 3906 1 3 2 CA39 10uF/16V R123 10 R127 75 C165 0.1uF C146 0.1uF D34 BAV99 3 2 1 P4 1 3 5 2 4 6 L51 0 R131 75 R134 10K R72 100 PR- 2 PR+ 2 Y- 2 PB- 2 Y+ 2 PB+ 2 SOY 2 此部分电路是一些端口切换电路。 5 4 3 2 1 D D C C B B A A Blanking I/O Blue I/O Green I/O Switch S-Video Input CVBS Input Location Near RCA. SCART1 Input SUB AV Input DVD-YUV-IN NC TO PVR NC AV INPUT A2 6 11 Tuesday, December 19, 2006 Title Size Document Number Rev Date: Sheet of AV1-Yin- AV2-Vin- TV1-Vin- AV3-Rin AV3-V AV3-Vin+ AV3-Lin TV1-L/R AV2-Cin AV2-Yin AV3-L AV2-Y AV3-V AV1_out AV3-R SCR+ SCB+ SCG+ SCB- SCR- SCG- HD3_PRIN SC_FSW SC_FS CVBSOut AV2-Vin+ AV1-Yin TV1-V TV1-Vin+ AV_SOG SC_SOG SCART1_VOUT Scart Scartin AV3-L AV3-R AV2_out AV_SOG Scart1_Rout Scart1_Lout AV1-Cin AV1-V AV1-Vin+ AV1-Rin AV1-Lin HD3_PRIN HD3_YIN AV2-C AV1-L AV1-R AV1-Y AV1-C AV2-Lin AV2-Rin Scart2_Rout Scart2_Lout TV1-L/Rin AV1_out Scart1_Lout Scart1_Rout HD3-L HD3-R AV1-Lin AV1-Rin AV3-Lin AV3-Rin HD3_PBIN HD3_PBIN PVR_V_OUT CVBSOut Scart1_Lout PVR_V_OUT Scart1_Rout HD3_YIN CVBSOut 2 TV1-V 7 TV1-L/R 7 SCART1_VOUT 7 Scartin 2,4 HD3_PRIN 5 HD3_YIN 5 HD3_PBIN 5 AV1-Lin 2 AV1-Rin 2 AV3-Lin 2 AV3-Rin 2 AV2-Lin 2,10 AV2-Rin 2,10 Scart2_Lout 9 Scart2_Rout 9 TV1-L/Rin 2 AV1-L 10 AV1-R 10 AV1-Lin 2 AV1-Rin 2 AV3-Lin 2 AV3-Rin 2 Scart1_Lout 2,9 Scart1_Rout 2,9 Scart1_Lout 2,9 Scart1_Rout 2,9 CVBSOut 2 5VA 5VA 5V-IF 5V-IF R165 75 R195 47 R232 75 CON3 1 2 3 4 5 R225 75 C218 2.2uF R446 75 R216 10 L61 0 L58 0 R443 330 C217 NC/330pF R217 10 R226 47 R370 10K P11 SCART 2 4 6 8 10 12 14 16 18 20 1 3 5 7 9 11 13 15 17 19 21 R305 NC R167 10 C206 47nF R445 75 R231 1.5K R220 75 C256 560pF D43 STZ6.2N 3 2 1 R344 75 R200 12K R171 75 R174 12K R164 10 R385 NC R228 10 D61 BAV99 3 2 1 C216 2.2uF C213 47nF R222 10 L73 NC L76 0 R386 NC L66 10K R384 0 CON23 NC/CON8_2.0 1 2 3 4 5 6 7 8 R374 10K C189 560pF L74 NC R210 75 R377 NC(1.5K) R199 75 C178 NC/330pF D44 STZ6.2N 3 2 1 Q43 3904 1 2 3 R218 10 C197 NC/330pF C209 NC/330pF C182 NC/330pF D52 STZ6.2N 3 2 1 Q42 3906 1 3 2 R197 12K C476 0.1uF C215 NC/330pF C207 NC/330pF R189 12K L78 0 P12A AV+S-2_0 6 1 5 4 2 3 R168 75 C181 NC/330pF R358 10K R187 75 R339 330 C183 NC/330pF R382 NC D56 BAV99 3 2 1 C187 560pF D59 STZ6.2N 3 2 1 R204 10K C204 NC/330pF C288 1nF C193 560pF C192 0.1uF Q18 3904 1 2 3 R383 NC D55 BAV99 3 2 1 C180 NC/330pF C274 NC(0.1uF) D57 STZ6.2N 3 2 1 R230 75 D42 STZ6.2N 3 2 1 C177 NC/330pF R192 10 C196 NC/330pF R373 10K R166 10 L64 0 R223 47 C203 47nF D46 STZ6.2N 3 2 1 R193 75 R186 10 L75 NC R194 330 C208 NC/330pF C195 2.2uF C191 NC/330pF R227 0 C202 47nF C184 560pF C190 NC/330pF R229 8.2K R205 10K R221 75 Pb Pr Y Y Pb Pr P15 AV1 2 5 8 3 9 6 7 4 1 C185 NC/330pF R224 47 V P12B AV+S-2_0 8 9 10 11 8 9 10 11 R219 75 R202 75 R198 75 R211 47 R369 10K R376 NC(8.2K) R203 10 L68 0 D58 BAV99 3 2 1 Q17 3906 1 3 2 R188 12K R359 10K C186 NC/330pF R447 75 L57 0 C201 47nF CON16 CON9_2.0 1 2 3 4 5 6 7 8 9 R172 47 C205 NC/330pF CON20 CON6_2.0 1 2 3 4 5 R444 0 L59 0 C214 47nF AV2-Vin+ 2 AV1-Yin 2 TV1-Vin- 2 TV1-Vin+ 2 AV1-Yin- 2 AV2-Vin- 2 AV3-Vin+ 2 SCB- 2 SCR- 2 SCG- 2 AV2-Cin 2 AV2-Yin 2 SC_FS 2 SC_FSW 2 SCB+ 2 SCR+ 2 SCG+ 2 SC_SOG 2 AV1-Cin 2 AV1-Vin+ 2 此部分电路是一些端口输入电路。 5 4 3 2 1 D D C C B B A A 5V and 12V for Tuner I2C ADDRESS(R263 NC):READ is 0X87 WRITE is 0X86 U23 PIN2 connected to PIN1 B/G,DK,I,L U23 PIN2 connected to GND L' TUNER B 7 11 Friday, December 15, 2006 Title Size Document Number Rev Date: Sheet of TV1-V SIFPOUT IF-AGC SCL_EXT SDA_EXT IF_TV IF_TV SDA_EXT SCL_EXT IF-AGC TV1-L/R TV-SIFM TV TV-SIFP SCART1_VOUT TV IF-AFT SIFPOUT SCL_EXT 2 SDA_EXT 2 TV1-V 6 TV-SIFP 2 TV-SIFM 2 SCART1_VOUT 6 TV1-L/R 6 TV-SIFP 2 IF-AFT 2 5V-IF AGND AGND AGND AGND AGND AGND AGND 5V-IF 33V AGND AGND 40V +12V 5V-IF 5V-IF AGND +8V 5V-IF AGND 5V-OUT 5V-OUT AGND AGND 5V-IF AGND AGND AGND AGND AGND AGND 5V-IF R248 22K C243 390pF R342 100 R381 1K R458 0 L88 DNP 100uH C244 1nF ADJ OUT IN U26 AMS1117-5 3 2 1 4 R257 75 C237 1nF Q23 3904 1 3 2 C249 0.1uF C231 0.1uF C225 220nF R266 NC L81 FB L85 FB + CA72 1uF/50V Q30 3904 1 3 2 C238 100pF R249 100K R263 NC(2K) D69 5.6V 1 2 Q24 2N7002 G D S C291 0.1uF R456 220K C226 0.1uF Y2 4MHz 1 2 3 R247 330 C478 10nF C257 10nF R265 100 R253 100 + CA69 47uF/16V R254 1K L83 1UH L-1210-W C245 10nF R258 100K C248 0.1uF L89 DNP100uH + CA71 47UF/16V C246 470nF SAW U25 K3953D ING OUT1 GND 3 OUT2 IN 2 4 3 5 1 ING OUT1 GND OUT2 IN C222 1.5nF + CA76 47uF/16V C224 0.1uF R361 NC/180K_1% + CA68 10UF/16V R318 0 D83 BA982 L87 10uH R252 100 D64 1N4148 C477 10nF C239 NC R380 1K R379 820 R260 100 D68 BAV99 3 1 2 R259 100 R453 22K R250 0 SAW U23 K9453D ING OUT1 GND 3 OUT2 IN 2 4 3 5 1 ING OUT1 GND OUT2 IN R256 51 D84 BA982 R239 22K R240 22K Q44 3904 1 2 3 R457 680K R262 5.6K R251 100 C236 47nF R454 6.8K C230 220pF L86 100uH L82 FB C233 220pF C228 22pF R319 10 U22 TUNER_IF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 AGC NC1 AS SCL SDA 5VA 5VB NC3 33V NC4 IFout GND3 GND2 GND1 GND4 GND5 GND6 GND7 GND8 GND9 GND10 GND11 GND12 GND13 GND14 C234 0.1uF + CA70 1uF/50V R267 0 U24 TDA9885&6 7 9 1 2 15 16 5 11 3 13 8 10 4 14 6 12 17 18 19 20 21 22 23 24 DGND TOP VIF1 VIF2 REF NC(5)/VAGC(6) DEEM SCL OUT1 NC AUD_OUT SDA FMPLL TAGC AFD SIOMAD CVBS AGND VPLL VPP AFC OUT2 SIF1 SIF2 + CA74 47uF/16V C232 0.1uF C227 470nF L84 100uH + CA73 47uF/16V R343 1K C242 820pF C223 0.1uF R261 NC R360 NC/680K_1% R362 100K D82 BA982 D66 C33V1 C261 0.1uF R452 6.8K C240 0.1uF SAW U33 NC/K2974D 1 2 5 4 3 C241 10nF Q40 3904 1 3 2 R455 22k R264 220 D67 NC(UPC574) C247 22pF 此部分电路是中频处理电路，主要包含对TV中频信号的处理，此部分电路有问题时，一 般会出现TV图像、伴音不良的故障现象。 5 4 3 2 1 D D C C B B A A Near MST9688L PIN 散热片 TDA7266 A3 8 11 Friday, December 15, 2006 Title Size Document Number Rev Date: Sheet of AMP-MUTE AMP-Lout+ AMP-Lout- AMP-Rout+ AMP-Rout- POWER-ON/OFF AMP-R AMP-Rin AMP-Rin1 AMP-Lin1 AMP-L AMP-Lin AMP-Lin1 AMP-Rin1 OP_VCC1 OP_VCC1 AMP-MUTE 2 POWER-ON/OFF 1,2 AMP-L 2 AMP-R 2 12V-2 5Vstb +12V +5V 6VBuf1 12V-2 5Vstb R288 NC R291 0 R304 0 H1 NC 1 2 3 4 5 6 7 8 9 C252 0.1uF H3 NC 1 2 3 4 5 6 7 8 9 R281 100K R302 10K R298 NC(47K) CA93 47uF/16V E B C SOT 23 Q26 3904 1 3 2 H2 NC 1 2 3 4 5 6 7 8 9 R427 100 R410 33K C464 100pF E B C SOT 23 Q27 3904 1 3 2 H11 NC 1 1 H19 NC 1 2 3 R424 10K D74 BAV99 3 1 2 R292 0 E B C SOT 23 Q29 NC(3904) 1 3 2 R345 0/NC - + U38A TL062 3 2 1 8 4 C199 0.1uF R286 NC(100K) + CA80 NC R426 33K R282 47K R459 0 R283 100K R421 33K H13 NC 1 1 CON10 NC/CON4_2.0 1 2 3 4 1 2 3 4 C473 100pF H4 NC 1 2 3 4 5 6 7 8 9 + CA81 NC(10uF/16V) + CA78 470uF/35V D70 NC(1N4148) H10 NC 1 2 3 4 R280 47K C251 2.2uF R289 10K C210 1nF C250 2.2uF R346 0/NC C468 47uF/16V R301 10K L3 FB con12 CON2_2.54 1 2 3 + CA79 NC(1uF/50V) C173 1nF C194 1nF CA92 47uF/16V C211 1nF R299 NC(47K) CON9 CON2_2.54 1 2 H12 NC 1 1 R411 33K R290 100 - + U38B TL062 5 6 7 8 4 E B C SOT 23 Q25 3906 1 3 2 CON22 CON5 1 2 3 4 5 E B C SOT 23 Q28 3904 1 3 2 R285 22K C462 47uF/16V R422 10K D73 1N4148 R284 1K + CA82 47uF/16V D71 1N4148 H17 NC 1 2 3 4 5 6 7 8 9 R303 0 R460 NC U27 TDA7266SA TDA7266SA 4 2 1 15 14 12 6 3 8 9 13 7 5 10 11 16 17 18 19 20 21 22 23 1IN+ 1OUT- 1OUT+ 2OUT+ 2OUT- 2IN+ AMUTE VCC1 PWGND SGND VCC2 Standby NC1 NC2 NC3 16 17 18 19 20 21 22 23 R287 10K 这部分电路是一个伴音放大处理电路，当声音有问 题时，应重点检查此部分电路。 5 4 3 2 1 D D C C B B A A TO PVR TO PVR TO AVOUT TO AVOUT MST9X88L 100 AUDIO AMP A4 9 11 Friday, December 15, 2006 Title Size Document Number Rev Date: Sheet of PH-L1out OP_VCC2 AU-LOUT2 OP_VCC2 OP_VCC2 OP_VCC2 AU-ROUT2 A-SW0 Scart1_L Scart1_R AU-LOUT2 Scart1_R Scart1_L AU-ROUT2 SW0 SW0 Scart2_Lout Scart2_Rout PH-L1out PH-R1out PH-R1out Scart1_R Scart1_L A-SW0 2 PH-R1out 2 PH-R1out 2 PH-L1out 2 PH-L1out 2 Scart2_Rout 6 Scart2_Lout 6 Scart1_Rout 2,6 Scart1_Lout 2,6 6VBuf2 +12V 6VBuf2 +8V C475 100pF - + U40A TL062 3 2 1 8 4 R442 1k R438 1K - + U40B TL062 5 6 7 8 4 C174 1nF C465 100pF R437 2.2UF C258 1nF - + U39A TL062 3 2 1 8 4 - + U39B TL062 5 6 7 8 4 R433 2.2K C470 0.1uF Q19 3904 1 2 3 C175 1nF R434 100 R175 10K R428 2.2K C463 47uF/16V R439 2.2UF C255 1nF R436 2.2K C467 100pF C469 47uF/16V R429 1K R435 1K R170 0/NC R413 12K C474 100pF R431 1K R169 4.7K R412 12K R440 2.2K R441 1k C466 0.1uF 5 4 3 2 1 D D C C B B A A AV AUDIO Input AUDIO INPUT A 10 11 Friday, December 15, 2006 Title Size Document Number Rev Date: Sheet of MUX-Rin AV2-L AV1-L AV1-R Ypbpr2_Lin AV2-R MUX-Lin PC-R Ypbpr2_Rin PC-L PC-R PC-L AV2-Lin AV2-Rin PC-L PC-R HD1-R HD1-L Ypbpr2_Rin Ypbpr2_Lin MUX-Rin 2 MUX-Lin 2 AV1-L 6 AV1-R 6 AV2-Lin 2,6 AV2-Rin 2,6 AV2-R 5 AV2-L 5 10 C198 560pF R403 NC R L P5B AV4-2_0 3 4 7 12 13 14 15 16 17 3 4 7 12 13 14 15 16 17 R393 NC R397 10K R395 NC R401 0 R392 NC R372 NC R399 NC R396 10K R394 NC R294 12K R215 12K C260 560pF R L P5A AV4-2_0 1 2 5 9 8 6 10 11 18 1 2 5 9 8 6 10 11 18 R295 12K R371 NC R402 0 R398 NC C200 560pF C259 560pF R212 12K R404 NC 5 4 3 2 1 D D C C B B A A TO USB