Sharp LC-26SB14U Service Manual - Page 37

A 8 7 B C TU5801 ENG36E19KF 0 22 NC 1 0 NC 2 0 NC 3 2.6 NC 4 23 NC(BB) NC NC NC 0.2 5 SIF-out 7 AGC 8 V_OUT 9 +5V 11 TU 12 +30V 14 SDA 15 SCL 16 AFT 17 +5V 18 IF_OUT 19 IF_AGC 20 IF_OUT1 21 IF_OUT2 D E TUNER SCHEMATIC DIAGRAM (DIGITAL PCB) 24 25 L5801 22uHNLV25 F W878 8 G TO SCALER VIDEO/AUDIO TU_CVBS H 8 7 3.3 3.3 2.6 5.0 B5809 0 FCM1608KF-102T02 NC 0.9 0.2 0.4 2.0 NC 1.5 5.0 B5808 FCM1608KF-102T02 1.0 NC 31.5 C5814 33P CH C5857 0.1 B C5856 0.1 B C5803 6.3V 220 V-S C5806 0.1 B C5805 0.1 B 50V(1608) 6 C5801 6.3V 220 V-S B5802 FCM1608KF-102T02 R5803 R5804 100 100 R5802 R5801 47K 150K TU_I2C_DATA TU_I2C_CLK R5807 100K SIF_OUT FROM REGULATOR2 5 TUNER+30V D3.3V D5.0V GND IF_AGC C5820 0.33 B 4 3 2 FROM/TO SCALER VIDEO/AUDIO I2C_DATA LEVEL SHIFT Q5802 2SK3019_TL 3.3 5.0 S G D S G D 3.3 3.3 5.0 I2C_CLK LEVEL SHIFT 3.3 Q5801 2SK3019_TL TO AV SWITCH2 1 TU_AUDIO_R TU_AUDIO_L A B H-17 R5808 4.7K R5809 4.7K TU_I2C_CLK TU_I2C_DATA C5821 47P CH TU_AFT C5822 47P CH B5804 C5819 FCM1608KF-151T06 6.3V 220 V-S SIF_OUT C5817 0.001 B C5823 0.33 B C5818 0.22 B C5824 0.1 B R5813 3.3K C5825 C5826 R5810 4.7 B 2.2 B 100 R5811 R5812 C5827 180K 100 2.2 B C5830 2.2 B BTSC DEMODULATOR IC IC5801 AN5832SA-E1V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 3.5 PILOT DET NC NC 3.5 PLL L+R REF 2.2 0 VCC SAP DET 2.8 NC NC NOISE DET 2.9 2.2 INPUT SIF/BB NC 3.3 SIF REF MUTE NC 2.2 STEREO REF FOMO NC 5.0 SDA/SAPID MODE NC 0 GND AGC SW NC NC PE IIC/PARA 5.0 5.0 SCL/STID SPE FIL 2.4 1.7 AGC DET SPE DEL 2.4 2.2 ROUT SPE TIME 0.5 2.2 LOUT WB DET 2.9 NC NC WB TIME 0.5 1.3 L-R RBF NC NC C5833 2.2 B C5834 0.033 B C5835 0.1 B C5837 0.022 B C5838 0.1 B C5839 3.3 B C5840 0.33 B C5841 10 C C D IF_AGC IF_OUT_1 IF_OUT_2 6 R5819 100 R5820 100 C5844 0.01 B C5845 0.01 B C5846 56P CH L5805 0.22uHLQW18AN R5824 47K R5825 47K SCALER IC IC2801 R8J66954BG 1.6 AA1 ADIN1 5 1.6 Y1 ADIN0 1.8 W2 ADVREF0 1.6 Y2 ADVREF1 1.6 AA2 ADVREF2 VSB_ADC C5855 0.1 B C5852 0.1 B C5853 0.1 B NEAR IC2401 R5823 3.3 AA7 IF_AGC 1K 4 TUNER_IF C5847 0.1 B R5821 47 R5822 47 2.8 AA5 MCUADIN0 MCU_ADC 3.3 Y9 SICL0 3.3 AA9 SIDA0 IIC0 3 R5817 3.3K R5818 3.3K NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. CAUTION:SINCE THESE PARTS MARKED BY ARE CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY E F ATTENTION:LES PIECES REPAREES PAR UN ETANT DANGEREUSES AN POINT DE VUE SECURITE N'UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES G 2 PCBDH0 CEG352 1 H H-18