Sharp LC-26SB14U Service Manual - Page 30

A B C 8 DDR_SDRAM IC IC2802 HYB18TC256160BF-3S 7 DAA0 DAA1 DAA2 DAA3 DAA4 DAA5 DAA6 DAA7 DAA8 DAA9 1.8 1.5 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 M8 M3 M7 N2 N8 N3 N7 P2 P8 P3 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 DAA10 1.9 M2 A10 DAA11 1.9 P7 A11 DAA12 1.9 R2 A12 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 G8 G2 H7 H3 H1 H9 F1 F9 C8 C2 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 DQ10 DQ11 DQ12 D7 D3 D1 1.8 1.8 1.8 DQ13 D9 1.8 DQ14 B1 1.8 DQ15 B9 1.8 DADQS0 1.8 F7 LDQS DADQS0_N1.8 E8 LDQS DADQS1 1.8 B7 UDQS 6 DADQS1_N1.8 A8 UDQS DAQM0 1.8 F3 LDM DAQM1 1.8 B3 UDM DACKE 1.6 K2 CKE DAWE_N 1.8 K3 WE DABA0 1.3 L2 BA0 DABA1 2.0 L3 BA1 CK J8 1.1 CK K8 1.1 CS L8 1.9 RAS K7 1.8 CAS L7 1.5 ODT K9 2.0 R2817 160 DAQ0 DAQ1 DAQ2 DAQ3 DAQ4 DAQ5 DAQ6 DAQ7 DAQ8 DAQ9 DAQ10 DAQ11 DAQ12 DAQ13 DAQ14 DAQ15 DACLK DACLK_N DACS_N DARAS_N DACAS_N DAODT 0 A3 VSS 5 0 E3 VSS 0 J3 VSS 0 N1 VSS 0 P9 VSS 0 A7 VSSQ 0 B2 VSSQ 0 B8 VSSQ 0 D2 VSSQ 0 D8 VSSQ 0 E7 VSSQ 0 F2 VSSQ 0 F8 VSSQ 4 0 H2 VSSQ 0 H8 VSSQ 0 J7 VSSDL NC R8 NC6 NC R7 NC5 NC R3 NC4 NC L1 NC3 NC E2 NC2 3 NC A2 NC1 VDD A1 VDD E1 VDD J9 VDD M9 VDD R1 VDDQA9 VDDQC1 VDDQC3 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 VDDQC7 VDDQC9 1.9 1.9 VDDQE9 1.9 VDDQG1 1.9 VDDQG3 1.9 VDDQG7 VDDQG9 1.9 1.9 VDDLJ1 1.9 VREFJ2 0.9 C2814 C2816 0.1 B 1B C2813 0.1 B C2815 1 B D1.8V C2821 0.1 B R2818 1K +-1% C2822 0.1 B R2819 1K +-1% 2 C2836 0.1 B C2840 0.1 B D E DDR SCHEMATIC DIAGRAM (DIGITAL PCB) DACLK R2825 5.1 DACLK_N R2826 5.1 DACLK DACLK_N DACAS_N R2827 27 DAQM0 DAQM1 DADQS0 DADQS1 DADQS0_N DADQS1_N R2820 160 C2831 0.1 B C2839 0.1 B DAQ3 DAQ1 DAQ4 DAQ5 DAQ0 DAQ2 DAQ7 DAQ6 DAQ12 DAQ8 DAQ14 DAQ10 DAQ13 DAQ11 DAQ15 DAQ9 F G SCALER IC IC2801 R8J66954BG 1.1 W20 1.1 W21 SDCLK SDCLK_N 1.6 Y20 1.9 V21 1.8 V19 1.5 Y21 1.8 Y19 SDCKE SDCS_N SDRAS_N SDCAS_N SDWE_N 1.8 P21 1.8 L21 NC1.8 AA14 NC1.8 AA11 1.8 N18 1.8 K18 NC1.8 V13 NC1.8 V10 1.8 N19 1.8 K19 NC1.8 W13 NC1.8 W10 SDDM0 SDDM1 SDDM2 SDDM3 SDDQS0 SDDQS1 SDDQS2 SDDQS3 SDDQS0_N SDDQS1_N SDDQS2_N SDDQS3_N 1.8 R20 1.8 R21 1.8 T21 1.8 R18 1.8 P18 1.8 R19 1.8 N20 1.8 P20 1.8 M20 1.8 L18 1.8 L20 1.8 M18 1.8 L19 1.8 N21 1.8 K21 1.8 M21 NC1.8 Y14 NC1.8 W15 NC1.8 V14 NC1.8 V15 NC1.8 AA16 NC1.8 Y15 NC1.8 AA15 NC1.8 Y13 NC1.8 V11 NC1.8 W11 NC1.8 Y11 NC1.8 V12 NC1.8 AA13 NC1.8 AA12 NC1.8 Y12 NC1.8 AA10 SDDQ0 SDDQ1 SDDQ2 SDDQ3 SDDQ4 SDDQ5 SDDQ6 SDDQ7 SDDQ8 SDDQ9 SDDQ10 SDDQ11 SDDQ12 SDDQ13 SDDQ14 SDDQ15 SDDQ16 SDDQ17 SDDQ18 SDDQ19 SDDQ20 SDDQ21 SDDQ22 SDDQ23 SDDQ24 SDDQ25 SDDQ26 SDDQ27 SDDQ28 SDDQ29 SDDQ30 SDDQ31 SDODT V18 2.0 SDBA0 AA19 1.3 SDBA1 V17 2.0 SDA0 SDA1 SDA2 SDA3 SDA4 SDA5 SDA6 SDA7 SDA8 SDA9 SDA10 SDA11 SDA12 U20 1.8 AA18 1.8 AA20 1.8 AA17 1.8 U18 1.8 V16 1.8 U21 1.8 Y16 1.8 T20 1.8 Y17 1.8 Y18 1.8 W16 1.8 T18 1.8 VCCQ18 1.8 K20 VSS K17 0 VSS L17 0 VSS M19 0 VCCQ18 M17 1.8 SDVREF0 N17 1.9 VCCCQ18 P19 1.8 VSS P17 0 VSS R17 0 VCCQ18 T19 1.8 VCCQ18 T17 1.8 VSS U19 0 VSS U17 0 VCCQ18 V20 1.8 VCCQ18 W19 1.8 VCCQ18 W18 1.8 VSS W17 0 VSS AA21 0 VSS U16 0 VSS U15 0 VCCQ18 U14 1.8 VSS W14 0 SDVREF1 U13 1.9 VCCQ18 W12 1.8 VSS U12 0 VSS U11 0 VSS Y10 0 VCCQ18 U10 1.8 1 A H-3 NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C D NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. E F G C2841 0.1 B C2842 1 B C2845 0.1 B C2844 0.1 B C2843 0.1 B C2851 0.1 B R2829 1K +-1% C2850 0.1 B R2828 1K +-1% H 8 R2823 27 R2824 27 NR2805 CRA108270JV DARAS_N DACKE DABA1 DAODT DAA4 DAA12 NR2806 CRA108270JV DAA8 7 DAA6 DAA0 DACS_N NR2807 CRA108270JV DAA2 DAWE_N DABA0 DAA10 NR2808 CRA108270JV DAA1 DAA9 DAA3 DAA7 6 NR2809 CRA108270JV NC NC NC NC DAA11 DAA5 5 D1.8V 4 3 C2859 1B 6.3V(2125) C2860 10V 22 V-S FROM REGULATOR2 2 GND D1.8V PCBDH0 CEG352 1 H H-4