Sharp CDC2900 Service Manual - Page 23

C331 0.047 C330 8.2P(UJ) CD-C622/C2900 AM TRACKING fL AM ANT. +B T331 C349 0.022 C350 220/10 TP302 +B R340 5.6K R360 220K R347 3.9K C351 0.0022 C354 220P C355 220P C337 10/16 C333 0.022 C334 22P(UJ) VD331 SVC348S T333 C335 560P AM OSC. AM BAND COVERAGE fL R317 820 R321 120 FM IF AM IN OSC AM +B AM RF FM AM +B MIX T352 R348 33K Q350 2SC3331 R359 3.9K R350 47K C358 0.0015 R352 15K C356 3.3/50 C357 3.3/50 C353 0.018 R349 1.5K R375 1.2K FM DET. 24 23 22 21 20 19 18 17 FM DET FM/AF IF MPX. IC303 LA1805 1 23 4 56 7 8 C359 0.022 C361 22/25 AM IF AM IF GND ST IND DET TUN OUT IND C363 0.015 L CH MPX -IN R CH FM- C364 M/ST 0.015 AM /FM 16 9 10 15 14 13 VR351 6.8K(B) VCO NC VCO FM/AM SWITCHING 11 12 Q343 KRA109 M 4.4V 3 8.4V 2 1 5.1V R361 10K T351 2 C367 1/50 R356 10K C365 1/50 C366 1/50 C360 0.022 IC302 LC72131 PLL(TUNER) 338 00P R381 10K +B C369 +B 47/25 0 C383 0.022 ZD351 MTZJ5.1B 1 CF351 3 R369 2.2K L343 100µH DO VDD BO1 FM IN NC AM IN NC NC BO4 IO2 IO1 IF IN 7 16 15 14 13 12 6 7 8 9 10 11 +B 2 10.9V 1 Q344 11V KRA102 M 3 0.2V D342 1SS133 R365 680 C395 0.022 +B A_+12V TUN_R A_GND TUN_L CHASSIS GND 10 18 2 19 R362 390 P25 12 - C TO MAIN/DECK SECTION DO 20 CLK 21 DI 22 CE 23 D_GND 24 R379 2.2K 7 8 9 10 11 12 Figure 23 SCHEMATIC DIAGRAM (4/10) - 23 -