Sharp LC-26SB14U Service Manual - Page 45
Sound Schematic Diagram - stand
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A B 8 7 FROM JACK2 ROUT_SOUND LOUT_SOUND FILTER_MUTE POP_MUTE 6 FROM POWER 5 SOUND+B SOUND_GND P_GND FROM POWER2 P.CON+5V R303 3.3K FROM/TO REGULATOR GND (A_GND) 4 R305 10K W819 C D E F SOUND SCHEMATIC DIAGRAM (POWER PCB) G H 8 C344 0.0047 B C307 1B SOUND AMP IC IC302 AN17808B + ATT. + NC CH1 IN 1 2 RIPPLE FILTER RF GND CH2 IN 3 4 5 NC 0.2 20.0 0 0.2 + + - - ATT.CONT. NC CH2 OUT MUTE 6 7 8 0 NC 0.7 0 GND VCC STAND -BY CH1 OUT 9 10 11 12 0 19.0 3.3 0.7 C341 1B C349_1 25V 1000 MHE C350_1 25V 1000 MHE 4.7K 3.9K R337 4.7K R335 R334 16V 100 MHE C348_1 C345_1 50V 1 MHE C342 0.0047 B C343_1 25V 100 MHE R336 3.9K GND 0 5.0 3.3 STANDBY SW Q307 KRC103SRTK W867 C346_2 35V 470 ZL HS92 HS302 763WAA0368 W828 7 W829 C358 0.1 B C357 0.1 B 17 W826 18 CP302 A2502WR-4A SP OUT L GND GND SP OUT R CD301 E8144301 (L) SPEAKER SP302 11 S0412F06 22 33 SPEAKER 44 SP301 S0412F06 (R) 6 5 C359_2 1F 4 3 3 2 1 H-33 NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE A B 2 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. CAUTION:SINCE THESE PARTS MARKED BY ARE CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY C D E ATTENTION:LES PIECES REPAREES PAR UN ETANT DANGEREUSES AN POINT DE VUE SECURITE N'UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES CAUTION: DIGITAL TRANSISTOR PCB240 CEG353 1 F G H H-34