Toshiba 20AF41 Service Manual - Page 23

A B C D E F SOUND SCHEMATIC DIAGRAM 8 (MAIN PCB) G H 8 C336 100P CH C337 100P CH R321 4.7K C326 16V47 KA R322 4.7K FROM/TO AV 22 R314 AUDIO_R 23 6.8K R324 C334 7 AUDIO_L 1.8K 0.033 B 7 C332 C331 0.47 B R326 C328 50V2.2 KA 0.022 B 100 1/4W R328 100 5.0 5.0 5.0 5.0 4.8 4.7 4.8 0 4.8 4.7 1 2 3 4 5 6 7 8 9 10 6 TONE CONTROL IC303 M62420SP REF 136K 1.8K -+ S1 VR3 VR5 S3 S5 S7 TONE AMP1 VR1 REF REF VR2 ++- SIMAMP1 VVOOLLAAMMPP126.5K SIMAMP26.5K +- S2 136K 1.8K VR4 S4 S6 S8 -+ 6.5K 6.5K -+ TONE VR6 AMP2 I2C BUS INTERFACE CONTROL LOGIC C304 50V2.2 NA R301 C306 R303 C308 20K 0.0033 20K 0.033 B B 4.8 4.8 4.8 4.8 4.8 4.8 4.8 0 8.9 8.9 1 2 3 4 5 6 7 8 9 10 R305 10K C310 16V10 KA R331 C312 10K 16V10 KA R333 10K C314 16V10 KA R335 1K 1/4W 6 20 19 18 17 16 15 14 13 12 11 BBE 10.0 5.0 5.0 5.0 4.8 4.7 4.8 0 5.0 4.9 BBE IC301 NJM2150AM C329 50V2.2 KA C330 C333 C339 R320 6.8K 0.022 B 0.47 B R325 C335 0.1 B C303 16V47 YK 20 19 18 17 16 15 14 13 12 11 4.8 4.8 4.8 4.8 4.8 4.8 4.8 4.8 9.5 0 R319 4.7K 1.8K 0.033 B C305 R302 R304 5 C302 L301 47uH R327 100K 50V 2.2 NA 20K C307 20K C309 0.0033 B 0.033 B 5 16V470 YK R330 10K 1/4W C311 16V10 KA C313 16V100 YK L302 22uH C325 0.1 B C351 10V470 YK R323 4.7K C338 0.001 B FROM/TO MICON/TUNER SCL SDA 4 BBE_SW 4 TV_MUTE SAROUND AMP IC353 AN5276 FROM/TO POWER P.CON+5V GND_POWER P.CON+9V GND_SIGNAL + NC CH1 IN 1 2 NC 0 ATT. + RIPPLE FILTER RF GND CH2 IN 3 4 5 0 13.9 0 + - ATT.CONT. NC CH2 OUT MUTE GND 6 7 8 9 0 0 6.7 3.6 + - VCC STAND -BY CH1 OUT 10 11 12 0 14.9 12.1 6.7 24 25 CP351 TID-X04P-Z1 4 4 SPEAKER SP351 MSF-2D5SB10 8 OHM 5W C369 35V1000 YK 3 SOUND+B 3 3 2 2 (L) SPEAKER 3 FROM/TO DEFLECTION UNREG+14V R362 10K C363_1 R355 C352_1 1 1 CD351 CU14411A SP352 MSF-2D5SB10 8 OHM 5W (R) 1B C365_1 1.5K R356 1B C353_1 C368 35V1000 YK C380 0.01 B C364 35V100 YK 2 FROM/TO POWER SOUND_GND W835 C367 35V470 YK R360 10K C384 0.01 B R363 1 B 1.5K 1B 10K MUTE Q351 3.6 DTC114TKA HEADPHONE JACK J351 HSJ2000-01-010 R361 10K 0 7 26 0 R358 6 2 2 27 R357 270 1/2W 3 HS351 763WAA0215 270 1/2W 4 5 C355 16V 22 KA C366 50V2.2 KA 1 1 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. A NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C CAUTION: SINCE THESE PARTS MARKED BY ARE CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY D ATTENTION: LES PIECES REPAREES PAR UN ETANT DANGEREUSES AN POINT DE VUE SECURITE N'UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES E NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR. THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP IS NON POLAR ONE. CAUTION: DIGITAL TRANSISTOR 1 PCB010 TMX481 F G H