平板新技术研究员 张永强 家电维修资料网 www. 520101. com www. 520101. com 家电维修资料网 电源介绍 EMI滤波器 LC高 频滤 波 PFC 电感 线圈 PFC开 关管 PFC二 极管 12V 140V 隔离 变压器 12V 140V 隔离 变压器 140V 整流 二极 管 12V 整流 二极 管 灯位置 左下 左下 左边 左边 左上 左上 线颜色 黑色 白色 黑色 白色 黑色 白色 电压 0.5V 200V 0.5V 200V 0.5V 200V 灯位置 右下 右下 右边 右边 右上 右上 线颜色 黑色 蓝色 黑色 蓝色 黑色 蓝色 电压 0.5V 200V 0.5V 200V 0.5V 200V 140V滤波电容 高纹 波电 容 谐振 电容 12V 140V 开关 管 125V-140V输入 电压经6路独立 升压输出180V- 200V电压提供 负载110mA恒定 电流（注意输入 与输出电压并不 是固定的，但输 出电流是恒定） 上面 （1） 下面 （2） INT_DIM （空脚） BL_ON 背光开关 GND PS_ON 开关机控制 5VSB EXT_DIM 背光调节 GND GND GND 12V 12V 12V 调整背光电流 （注意请不要乱 调整） 整 流 堆 12V稳压 正常时1V 待机时0V 12V稳压 正常时1V 继电器 开机时吸合 待机时断开 12V滤波电容 开关机控制 开机时1.2V 关机时0V 140V与12V过压保护 12V过流保护 正常时0V 市电 100V- 240V输入 家电维修资料网 www. 520101. com www. 520101. com 家电维修资料网 家电维修资料网 www. 520101. com www. 520101. com 家电维修资料网 家电维修资料网 www. 520101. com www. 520101. com 家电维修资料网 5 4 3 2 1 D D C C B B A A P F C B L O C K H O T C O L D Sub PCB_RELAY A C F I L T E R B L O C K N.C S E C C O D E : L J 9 7 - 0 2 4 2 2 A L E D L I P S M O D E L : H P L D 4 6 9 A +12V OCP1 VCC_PFC PFC_OVP2 PFC_OVP1 PFC OUT P-GND ! ! Title Size Document Number Rev Date: Sheet of 0.6 HPLD469A PFC C 1 4 Tuesday, August 04, 2009 Title Size Document Number Rev Date: Sheet of 0.6 HPLD469A PFC C 1 4 Tuesday, August 04, 2009 Title Size Document Number Rev Date: Sheet of 0.6 HPLD469A PFC C 1 4 Tuesday, August 04, 2009 ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! QP807 QP807 CP804 CP804 RP801 RP801 RP837 RP837 DP802 DP802 RP802 RP802 RP830 RP830 LX802S LX802S VX803S N.C. VX803S N.C. + CP803 + CP803 RP809 RP809 RX801S RX801S SA801S N.C. SA801S N.C. LP801 LP801 3 1 4 6 CP810 CP810 DP805 DP805 VX801S VX801S CP812 CP812 N L PD801 N L PD801 DP806 DP806 CX802S CX802S FS802S FS802S BP803 BP803 RP818 RP818 DP809 DP809 LX801S LX801S QP801 QP801 FS801S FS801S RP826 RP826 DP808 DP808 RP815 RP815 CX801S CX801S NT801S NT801S RP824 RP824 RL801S RL801S BP802 BP802 CY821S CY821S RP825 RP825 + CP802 + CP802 RP804 RP804 CP821 CP821 CP819 CP819 RP817 RP817 CP808 CP808 DB806 DB806 RP813 RP813 CP811 CP811 RP822 RP822 VX802S N.C. VX802S N.C. RP820 RP820 ZDP801 ZDP801 CP801 CP801 CP807 CP807 RP838 RP838 ~ ~ + - BD801S ~ ~ + - BD801S 1 2 3 4 RP812 RP812 RP806 RP806 CP805 CP805 BP804 BP804 VX810 VX810 CP809 CP809 QP805 QP805 RP829 RP829 ZDTP801 ZDTP801 RP805 RP805 ICP801 ICP801 INV 1 MOT 2 Comp 3 CS 4 ZCD 5 GND 6 OUT 7 Vcc 8 DP801 DP801 CP817 CP817 RP828 RP828 RP816 RP816 + CP815 + CP815 LP802 LP802 RB802 RB802 VX805 VX805 RP831 RP831 RP827 RP827 CY822S CY822S DP803 DP803 RP819 RP819 家电维修资料网 www. 520101. com www. 520101. com 家电维修资料网 PFC电路 400V PFC过压保护 PFC工作电源 PFC过压保护 AC100-220V 5 4 3 2 1 D D C C B B A A S T A N D B Y & M u l t i B L O C K C O L D +STB 5.3V VCC_PFC MULTI_OVP VCC_MULTI +120-140V +12V OVP +STB 5.3V Power ON/OFF +STB 5.3V VCC_MULTI STB_Vin PFC_OVP2 DRIVE_OCP PFC_OVP1 1 2 V _ O C P Title Size Document Number Rev Date: Sheet of 0.6 HPLD469A STAND BY A3 1 4 Tuesday, August 04, 2009 Title Size Document Number Rev Date: Sheet of 0.6 HPLD469A STAND BY A3 1 4 Tuesday, August 04, 2009 Title Size Document Number Rev Date: Sheet of 0.6 HPLD469A STAND BY A3 1 4 Tuesday, August 04, 2009 ! ! ! ! ! ! QB851 QB851 RB804 RB804 CY801S CY801S RB886 RB886 RB863 RB863 RB809 RB809 RB858 RB858 PCB802S PCB802S 1 2 4 3 RB888 RB888 QB801 QB801 RB853 RB853 VX808 VX808 + CB815 + CB815 CB859 CB859 PCB803S PCB803S 1 2 4 3 + CB855 + CB855 DB807 DB807 RB806 RB806 DB853 DB853 CB802 CB802 DB805 DB805 ZDB852 ZDB852 RB807 RB807 RB885 RB885 CB862 CB862 ZDB804 ZDB804 ZDB812 ZDB812 1 2 RB854 RB854 CB810 CB810 BB801 BB801 CB861 CB861 RB887 RB887 RB884 RB884 ZDB803 ZDB803 1 2 RB852 RB852 ICB801 ICB801 SS 1 FB 2 CS 3 D 4 D 5 NC 6 VCC 7 GND 8 DB808 DB808 DB809 DB809 RB856 RB856 RB808 RB808 VX804 VX804 RB857 RB857 RB882 RB882 ICB851 ICB851 CB811 CB811 DB811 DB811 + CB816 + CB816 + CB812 + CB812 RB883 RB883 PCB801S PCB801S 1 2 4 3 CB858 CB858 CB809 CB809 ZDB801 ZDB801 RB859 RB859 CB856 CB856 DB858 BAV70 DB858 BAV70 RB861 RB861 RB862 RB862 ZDB853 ZDB853 + CB807 + CB807 RB815 RB815 CB860 CB860 TB801S TB801S 1 2 3 5 9,10 6,7 4 QB857 QB857 CB813 CB813 RB860 RB860 RB881 RB881 家电维修资料网 www. 520101. com www. 520101. com 家电维修资料网 5VSTB电压电路 PFC过压保护 12V过流保护 12V过压保护 140过压保护 保护控制端 到IC M801供电脚 5 4 3 2 1 D D C C B B A A H O T C O L D M U L T I B L O C K PFC OUT MULTI_OVP + 1 4 0 V Vcc_MULTI STB_Vin 400V G N D I - P W M B L o n / o f f P o w e r O N / O F F + S T B 5 . 3 V + 1 2 V +12V OCP1 +12V OCP2 + 1 2 V O C P 1 + 1 2 V O C P 2 1 2 V _ O C P E - P W M Vcc_MULTI ! Title Size Document Number Rev Date: Sheet of 0.6 HPLD469A MULTI A3 1 4 Tuesday, August 04, 2009 Title Size Document Number Rev Date: Sheet of 0.6 HPLD469A MULTI A3 1 4 Tuesday, August 04, 2009 Title Size Document Number Rev Date: Sheet of 0.6 HPLD469A MULTI A3 1 4 Tuesday, August 04, 2009 ! ! ! ! ! ! ! ! ! 10R0 2012 10R0 2012 T M 8 0 1 S T M 8 0 1 S 2.3 4.5 10 6 11 12 7.8 9 QM813 QM813 RM871 RM871 RM847 RM847 RM868 RM868 DM851 DM851 RM854 RM854 RM811 RM811 ICM801 ICM801 OSC C 1 OSC RC 2 OSC 3 GND 4 P_GND 13 OUT A 14 VCC 15 OneShot 16 OUT B 12 CSS 11 Fault 10 EN 9 Vref 5 E/Amp 6 Inv 7 NonInv 8 ZDM861 ZDM861 12V 12V GND 12V +5VSB NC GND GND GND BL ON DIM PS ON CNM801 12V 12V GND 12V +5VSB NC GND GND GND BL ON DIM PS ON CNM801 1 2 3 4 5 6 7 8 9 10 11 12 RM801 RM801 CM822 CM822 RM837 RM837 QM804 QM804 1 2 3 ZDTM851 ZDTM851 1 2 3 RM874 RM874 RM825 RM825 ZDTM801 ZDTM801 1 2 3 + CM872 + CM872 RM832 RM832 RM848 4.7K 1608 RM848 4.7K 1608 DM812 DM812 + CM874 + CM874 CM862 CM862 RM844 RM844 CM888 CM888 QM814 QM814 DM810 DM810 1 2 RM859 RM859 CM856 CM856 QB802 QB802 DM811 DM811 1 2 DM815 DM815 RM836 RM836 RM866 RM866 RM833 RM833 TM803 TM803 8 8 4 4 3 3 6 6 5 5 1 1 VX809 VX809 RM840 RM840 CM889 CM889 RM862 RM862 RM834 RM834 ZDM809 ZDM809 CM861 CM861 + CM807 + CM807 QM816 QM816 CM823 CM823 ZDM859 ZDM859 RM863 RM863 CM826 CM826 + CM873 + CM873 DM852 DM852 RM813 4R7F 3216 RM813 4R7F 3216 RM843 RM843 DM887 DM887 VX807 VX807 CM820 CM820 VX806 VX806 RM835 RM835 ZDM806 ZDM806 T M 8 0 2 S T M 8 0 2 S 1.2 3.4 10 6 11 12 7.8 9 RM877 RM877 PCM804S PCM804S 1 2 4 3 DM814 DM814 DM853 DM853 RM849 RM849 RM802 RM802 DM854 DM854 RM845 RM845 RM851 RM851 QM815 QM815 RM831 RM831 RM853 RM853 DM888 DM888 RM803 RM803 + CM832 + CM832 + CM871 + CM871 RM875 RM875 RM864 RM864 ZDM807 ZDM807 RM812 RM812 RM855 RM855 CM870 CM870 CM829 CM829 RM842 RM842 RM869 RM869 VX811 VX811 CB863 CB863 CM860 CM860 CM890 CM890 + CM876 + CM876 CM827 CM827 RM852 RM852 + CM875 + CM875 CM833 CM833 CM830 CM830 RM870 RM870 RM873 RM873 RM808 RM808 CY802S CY802S ZDM860 ZDM860 CM825 CM825 ZDTM856 ZDTM856 1 2 3 RM839 RM839 FSM801S FSM801S ZDM808 ZDM808 RM876 RM876 LED1 LED1 QM805 QM805 1 2 3 ZDM805 ZDM805 BM802 BM802 RM858 RM858 DM813 DM813 + CM851 + CM851 RM857 RM857 RM846 RM846 RM826 RM826 RM860 4.7KF 1608 RM860 4.7KF 1608 RM872 RM872 RM838 RM838 ICM857 ICM857 + 3 - 2 VCC 4 GND 8 OUT 1 RM810 RM810 BM803 BM803 CM824 CM824 CM821 CM821 CM828 CM828 RM861 RM861 家电维修资料网 www. 520101. com www. 520101. com 家电维修资料网 输出120-140V 保护控制端 Vcc_MULTI 主电压140V电路 5 4 3 2 1 D D C C B B A A LED DRIVE OCP #8 #11 STB5.2V OCP1 BL ON/OFF +VOUT1 VCC OCP3 -VOUT1 -VOUT3 VCC VDD VCC PWMD OCP4 VDD -VOUT4 VCC VDD -VOUT1 PWMD +VOUT2 -VOUT2 Iref +140V Iref +140V +VOUT3 -VOUT3 +140V +12V +VOUT4 -VOUT4 +140V +140V OCP6 +VOUT5 -VOUT5 PWMD +140V OCP2 -VOUT6 VCC VDD PWMD Iref -VOUT2 VCC VDD +VOUT6 -VOUT6 +140V OCP5 PWMD Iref Iref -VOUT5 VCC VDD PWMD Iref PWMD Iref E-PWM +VOUT4 OCP4 OCP1 +VOUT1 +VOUT5 OCP5 +VOUT6 OCP6 OCP2 +VOUT2 OCP3 +VOUT3 12V_OCP I-PWM Title Size Document Number Rev Date: Sheet of 0.6 HPLD469A DRIVE Custom 1 4 Tuesday, August 04, 2009 Title Size Document Number Rev Date: Sheet of 0.6 HPLD469A DRIVE Custom 1 4 Tuesday, August 04, 2009 Title Size Document Number Rev Date: Sheet of 0.6 HPLD469A DRIVE Custom 1 4 Tuesday, August 04, 2009 R9310 R9310 R9417 R9417 C9302 C9302 R9114 R9114 Q9002 Q9002 D9203 D9203 Q9101 Q9101 R9520 R9520 D9501 D9501 C9107 C9107 R9003 R9003 R9204 R9204 D9602 D9602 C9403 C9403 C9104 C9104 C9003 C9003 R9229 R9229 R9511 R9511 R9529 R9529 R9613 R9613 IC9201 IC9201 VCC 1 VDD 2 GATE 3 GND 4 CS 5 SC 6 RT 7 SYNC 8 CLIM 9 REF 10 /FAULT 11 OVP 12 PWMD 13 COMP 14 IREF 15 FDBK 16 R9423 R9423 TH9101 TH9101 R9402 R9402 + C9210 + C9210 R9118 R9118 C9611 C9611 R9224 R9224 VR9001 VR9001 R9021 N.C R9021 N.C C9030 C9030 R9601 R9601 R9406 R9406 R9517 R9517 R9215 R9215 R9023 N.C R9023 N.C C9108 C9108 R9015 R9015 D9202 D9202 R9213 R9213 R9206 R9206 C9007 N.C C9007 N.C R9318 R9318 R9617 R9617 R9412 R9412 R9624 R9624 C9411 C9411 R9324 R9324 R9106 R9106 C9604 C9604 Q9502 Q9502 C9105 C9105 Q9105 Q9105 C9309 C9309 TH9401 TH9401 L9501 L9501 R9619 R9619 D9104 D9104 C9502 C9502 R9111 R9111 R9616 R9616 C9608 C9608 C9106 C9106 R9316 R9316 R9012 R9012 R9026 N.C R9026 N.C R9304 R9304 C9103 C9103 R9404 R9404 R9519 R9519 R9121 R9121 R9421 R9421 Q9503 Q9503 R9001 R9001 R9317 R9317 C9031 C9031 R9607 R9607 C9506 C9506 R9119 R9119 Q9602 Q9602 R9016 R9016 C9308 C9308 Q9601 Q9601 C9305 C9305 IC9101 IC9101 VCC 1 VDD 2 GATE 3 GND 4 CS 5 SC 6 RT 7 SYNC 8 CLIM 9 REF 10 /FAULT 11 OVP 12 PWMD 13 COMP 14 IREF 15 FDBK 16 R9413 R9413 R9112 R9112 R9429 R9429 R9128 R9128 D9101 D9101 C9406 C9406 C9602 C9602 IC9601 IC9601 VCC 1 VDD 2 GATE 3 GND 4 CS 5 SC 6 RT 7 SYNC 8 CLIM 9 REF 10 /FAULT 11 OVP 12 PWMD 13 COMP 14 IREF 15 FDBK 16 IC9002 N.C IC9002 N.C GND 2 Vin 3 Vo 1 C9206 C9206 R9321 R9321 R9612 R9612 R9512 R9512 + C9410 + C9410 R9125 R9125 D9303 D9303 R9027 N.C R9027 N.C C9402 C9402 C9207 C9207 D9302 D9302 Q9505 Q9505 R9107 R9107 R9017 R9017 R9115 R9115 C9603 C9603 R9401 R9401 Q9304 Q9304 Q9303 Q9303 R9103 R9103 Q9401 Q9401 R9509 R9509 R9424 R9424 R9201 R9201 R9221 R9221 R9005 R9005 C9001 C9001 R9609 R9609 R9019 R9019 D9401 D9401 D9105 D9105 C9102 C9102 R9320 R9320 R9212 R9212 R9625 R9625 ZD9001 ZD9001 C9211 C9211 C9005 N.C C9005 N.C Q9201 Q9201 C9409 C9409 R9124 R9124 C9505 C9505 C9504 C9504 Q9202 Q9202 C9202 C9202 CON9001 CON9001 1 3 5 7 9 11 L9401 L9401 R9018 R9018 R9506 R9506 Q9402 Q9402 R9004 R9004 R9216 R9216 R9514 R9514 R9416 R9416 R9407 R9407 R9523 R9523 R9510 R9510 R9105 R9105 D9205 D9205 ICM9001 ICM9001 + 3 - 2 VCC 8 GND 4 OUT 1 C9609 C9609 C9404 C9404 Q9604 Q9604 L9601 L9601 R9218 R9218 R9109 R9109 R9608 R9608 R9006 R9006 C9408 C9408 C9209 C9209 R9629 R9629 R9528 R9528 ZDT9001 ZDT9001 1 2 3 C9204 C9204 R9205 R9205 R9606 R9606 + C9510 + C9510 D9001 D9001 R9521 R9521 D9503 D9503 R9325 R9325 R9502 R9502 R9110 R9110 TH9501 TH9501 D9504 D9504 R9409 R9409 R9305 R9305 R9129 R9129 C9205 C9205 D9305 D9305 C9511 C9511 D9604 D9604 R9516 R9516 Q9501 Q9501 R9314 R9314 Q9102 Q9102 C9311 C9311 R9602 R9602 R9418 R9418 + C9310 + C9310 R9024 N.C R9024 N.C + C9610 + C9610 R9312 R9312 R9203 R9203 C9203 C9203 C9111 C9111 R9220 R9220 R9618 R9618 R9315 R9315 R9411 R9411 IC9003 N.C IC9003 N.C + 5 - 6 GND 4 VCC 8 OUT 7 R9211 R9211 R9303 R9303 R9225 R9225 R9013 R9013 Q9205 Q9205 R9308 R9308 BAV70 BAV70 R9408 R9408 D9605 D9605 R9518 R9518 R9302 R9302 D9301 D9301 Q9003 Q9003 R9403 R9403 Q9302 Q9302 R9319 R9319 R9101 R9101 L9101 L9101 C9509 C9509 R9014 R9014 R9329 R9329 Q9305 Q9305 R9210 R9210 D9402 D9402 R9228 R9228 D9601 D9601 R9102 R9102 Q9404 Q9404 R9104 R9104 Q9006 Q9006 R9425 R9425 R9513 R9513 D9505 D9505 R9420 R9420 R9010 R9010 R9605 R9605 C9008 N.C C9008 N.C + C9110 + C9110 R9505 R9505 IC9301 IC9301 VCC 1 VDD 2 GATE 3 GND 4 CS 5 SC 6 RT 7 SYNC 8 CLIM 9 REF 10 /FAULT 11 OVP 12 PWMD 13 COMP 14 IREF 15 FDBK 16 C9507 C9507 IC9501 IC9501 VCC 1 VDD 2 GATE 3 GND 4 CS 5 SC 6 RT 7 SYNC 8 CLIM 9 REF 10 /FAULT 11 OVP 12 PWMD 13 COMP 14 IREF 15 FDBK 16 C9306 C9306 R9621 R9621 R9223 R9223 R9002 R9002 R9207 R9207 R9419 R9419 Q9203 Q9203 D9404 D9404 R9610 R9610 R9025 N.C R9025 N.C R9503 R9503 R9202 R9202 D9204 D9204 R9116 R9116 D9405 D9405 R9031 R9031 R9524 R9524 R9328 R9328 C9303 C9303 Q9605 Q9605 R9209 R9209 C9508 C9508 Q9104 Q9104 R9405 R9405 L9201 L9201 R9415 R9415 C9004 C9004 C9607 C9607 R9313 R9313 C9208 C9208 R9611 R9611 C9405 C9405 R9507 R9507 R9217 R9217 R9311 R9311 Q9204 Q9204 Q9603 Q9603 IC9401 IC9401 VCC 1 VDD 2 GATE 3 GND 4 CS 5 SC 6 RT 7 SYNC 8 CLIM 9 REF 10 /FAULT 11 OVP 12 PWMD 13 COMP 14 IREF 15 FDBK 16 R9022 N.C R9022 N.C IC9004 N.C IC9004 N.C + 3 - 2 VCC 8 GND 4 OUT 1 R9428 R9428 D9102 D9102 R9108 R9108 R9323 R9323 Q9403 Q9403 R9604 R9604 C9503 C9503 R9123 R9123 R9501 R9501 R9208 R9208 R9504 R9504 R9410 R9410 R9623 R9623 C9109 C9109 R9620 R9620 R9120 R9120 R9515 R9515 R9020 N.C R9020 N.C R9309 R9309 R9214 R9214 D9201 D9201 R9306 R9306 R9301 R9301 R9614 R9614 L9301 L9301 R9307 R9307 C9304 C9304 TH9301 TH9301 R9219 R9219 C9606 C9606 Q9504 Q9504 R9117 R9117 D9603 D9603 R9525 R9525 D9103 D9103 R9628 R9628 Q9004 Q9004 Q9405 Q9405 D9403 D9403 TH9201 TH9201 R9030 R9030 R9113 R9113 R9011 R9011 C9605 C9605 Q9103 Q9103 R9615 R9615 Q9301 Q9301 TH9601 TH9601 C9009 N.C C9009 N.C C9307 C9307 R9414 R9414 R9603 R9603 C9010 N.C C9010 N.C C9407 C9407 R9508 R9508 CON9002 CON9002 1 3 5 7 9 11 D9502 D9502 家电维修资料网 www. 520101. com www. 520101. com 家电维修资料网 连接到各个lref脚 过流保护电路 背光电流调整电路 连接各背光IC供电脚 共62只发光二极管串联 本电路未装 电流检测 低电平黑屏 高电平点亮背光