Toshiba MW30G71 Service Manual - Page 97

A 8 7 FROM/TO CHROMA/PROGRESSIVE/PIN SOUND+B SOUND_GND 6 FROM/TO REGULATOR GND ZERO P.CON+5V P.CON+9V 5 FROM/TO TV MICON TV_POWER_H TV_A_MUTE AV5 SDA SCL 4 3 FROM/TO Hi-Fi AUDIO_OUT_L AUDIO_OUT_R 2 B C D E F SOUND AMP/SURROUND SCHEMATIC DIAGRAM SOUND AMP IC IC351 AN7522N (VCR PCB) + - L R - + 1 2 3 4 5 6 7 8 9 10 11 12 10.6 6.4 0 6.4 2.8 1.6 0 1.6 10 6.4 0 6.4 C321 25V 2200 YK C331 50V10 YK C328 50V10 YK C350 50V 10 YK W828 HS33V6 HS351 763WAA0297 C335 0.001 B W843 C370 0.1 B R350 2.2K 1/4W MUTE SW 0 Q353 4.2 KRC103SRTK 0 0 AV SW Q354 0 DTC124EKA 0 D351 1SS133 R356 100K 1/4W W845 C302 0.0027 B R307 5.6K C358 0.0027 B R301 5.6K C357 16V47 YK R312 68K R311 10K 1/4W R353 22K 1/4W R359 2.2K 1/4W C301 16V 22 KA D350 1SS133 R308 10K 1/4W R357 1K 1/4W Q350 MUTE SW KTC3875S_Y_RTK 10 0 0 C324 C320 470P CH 470P CH C332 470P CH C313 470P CH C327 25V10 KA C329 25V10 KA C333 25V10 KA C312 0.015 B C316 0.033 B C319 0.01 B C325 0.33 B C306 25V10 KA R306 220K R305 3.3K R303 2.2K 1/4W R302 3.3K R304 2.2K 1/4W AN5891SA-E1V C314 C304 0.033 B C308 25V10 KA 0.033 B 4.2 1.9 4.6 1 2 3 PF1 AGC L IN NC 0 4 NC NC 0 4.1 4.2 4.2 5 6 7 8 NC PF2 PF3 PF4 0 4.4 4.0 9 10 11 GND LT LB NC 0 12 NC NC 0 2.3 4.0 4.5 13 14 15 16 NC BD VD L ONT AGC + SURR Tone Control Volume 2.2K Control MODE control VCC R IN Vref 32 31 30 29 2.5 7.8 4.6 3.9 NC 28 0 NC NC BB RB RT BLD TD 27 26 25 24 23 22 0 3.9 4.0 4.2 3.4 2.3 NC + Balance + /MUTE NC NC R OUT SDA SCL 21 20 19 18 17 0 NC 0 NC 4.5 5.02 5.02 SURROUND_IC IC301 C334 25V 10 KA 25V10 KA C326 25V10 KA 0.01 B C323 0.33 B 50V1 KA C317 25V10 KA C309 C318 C315 25V10 KA C311 C305 25V10 KA L301 100uH 0607 R309 100 1/4W R310 100 1/4W C330 22P CH C322 22P CH C307 0.01 B C310 16V220 YK 1 G-21 CAUTION:SINCE THESE PARTS MARKED BY ARE CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY A B ATTENTION:LES PIECES REPAREES PAR UN ETANT DANGEREUSES AN POINT DE VUE SECURITE N'UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES C NOTE:THE DC VOLTAGE EACH PART WAS MEASURED WITH THE DIGITAL TESTER DURING PLAYBACK. D NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE E F G H 8 7 21 20 6 SP351 MSF-2D5D10W CD352 SPEAKER CP303 CU14A102 A2502WR2-4P (L) SOUND L+ 4 4 5 SOUND L- 3 3 SOUND R- 2 2 SP352 MSF-2D5D10W SPEAKER SOUND R+ 1 1 (R) 4 3 2 CAUTION: DIGITAL TRANSISTOR G PCB010 DME022 H 1 G-22