Sharp XL 1700 Service Manual - Page 22

Figure 22 SCHEMATIC DIAGRAM (1/8) - 22 - 6 5 4 3 2 1 • NOTES ON SCHEMATIC DIAGRAM can be found on page 18. H G TUNER PWB-B1 C349 0.001 C302 0.001 D304 1N4148 E CHASSIS GND F 15P IC302 LC72131 PLL(TUNER) C384 0.001 0V R374 1K 0.1V R373 1K 0.1V R372 1K 4.8V R371 1K 5.1V 1.7V (11.4V) 3.7V (0V) 3.9V 3 5V 2.6V C382 3456 7 89 1 2 C381 12P (CH) X352 4.5MHz R386 330 R R 5 L 10 17 16 15 22 21 20 2.6V X OUT X IN VSS AOUT CE DI 0.9V 19 18 CL AIN DO 0.9V PD R379 FM VDD 2.2K 5.2V FM IN MUTE AM IN FM 2.6V (0V) 0V (2.6V) C385 C393 1/50 R380 1.5K C397 0.022 R381 10K C394 47/16 C392 0.001 C380 10/16 C387 0.022 330 R382 D303 1N4148 C301 0.012 TP301 SO301 ANTENNA TERMINAL ohms 4 75 FM 3 2 GND D 1 AM 8 7 6 5 9V C C346 0.022 R369A 68 C337 0.022 T302 AM Tracking AM OSC T306 AM Band Coverage FM FRONT END C348 100/16 R345 4.7K R343 180 R344 680 C345 0.022 C347 0.022 R369B 82 2.5V C341 1 4 32 FE301 R323 68K C334 27P(UJ) 0.022 L342 2.2µH R346 330 FM IF CF301 13 2 R348 680 R349 33 R347 6.8K 0.8V 9.5V Q301 2SC380 O CFW301 R336 5.6K C335 560P C330 8P (CH) C331 0.047 VD301 SVC348S C332 0.022 FM Mute Level VR351 10K L353 1mH 1 2 3 2.1V 2 2 C351 0.022 R351 5.6K FM IF CF302 C352 10/16 13 IC303 LA1832S FM IF DET./ FM MPX./AM IF 2.1V 24 23 FM IF AM OSC 2.5V IN OUT 5V AM MIX 5V OUT AM OSC IN REG C350 0.022 FM AFC 2.1V (2.7V) C360 0.022 R358 8.2K C343 33P C362 3.3/50 C361 0.022 22 21 20 19 18 2.3V T351 AM IF CF352 AM IF C353 0.022 C354 0.022 CF351 FM IF 3 1 AM RF IN 2.1V (2.7V) C363 0.6V 0.022 2.1V 4 5 6 R352 1K 0V 5V VSM C364 AM IF IN AM GND LOW CUT 0V (0.9V) 4.7/25 C365 0.022 FM/AM SD OUT 7 8 5V STEREO R353 FM DET 270 2.9V MPX VCO C367 1/50 R350 2.7K X351 2 3V456kHz C366 0.001 D301 1N4148 D302 1N4148 B C329 0.022 A XL-1700/1700C