Sharp XL 1700 Service Manual - Page 21

XL-1700/1700C D_GND A_12V TUN L A_GND TUN R CE DI CL DO FM ST SD D_GND P_MUTE CD +B SURROUND M PWB 5 4 3 2 1 +B4 CNP803 CD_L 1 2 CD_R 3 A_GND UP UNIT L IL FROM DISPLAY PWB 1 2 3 4 5 6 7 8 9 10 11 12 13 CNP702 +B2 Q203 Q201 R-CH OUT R-CH IN +B 56 78 IC201 KIA4558P SURROUND 4 3 2 1 CONTROL MAIN PWB L-CH OUT AUX R R-CH OUT TUN R CD R 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 L-CH IN VSS CE DI LOGIC NC VDD CL SO601 SPEAKER TERMINAL 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 CD L TUN L AUX L IC401 LC75342M L-CH OUT FUNCTION/VOLUME EQUALIZER +B6 A_12V MUTE Q101 Q102 D651~D654 IN1 IN2 FIL GND VCC OUT2 OUT1 POWER -GND1,2 IC101 LA4282 POWER AMP. R-CH 2 5 L-CH 3 4 10 7 11 L-CH R-CH 9 12 F652 2.5A 125V +B Q105 Q106 +B +B3 Q108 Q103 Q104 Q109 + L-CH R-CH + J601 HEADPHONES 3 2 1 4 5 9 10 CNP651 P_STB PROTECT F653 1.6A 125V D_GND 44 33 22 11 D657~D660 +B1 CD_7.2V Q604 Q605 CD +B +B2 Q606 Q607 VOLTAGE REGULATOR M_12V +B3 Q603 T651 POWER TRANSFORMER (MAIN) 1 2 CNP703 FROM DISPLAY PWB TF IC681 AN78L05 CONSTANT VOLTAGE REGULATOR 3 1 2 1 2 3 1 2 3 CNP681 RLY601 Q683 D681~D684 +B4 A_12V Q601 Q602 USWD_5.6V P_CONT D_GND M_12V M_GND +B3 1 2 3 4 5 6 7 CNP701 FROM DISPLAY PWB AC 120V,60Hz T681 POWER TRANSFORMER (SUB) SO651 AC INPUT SOCKET AC120V,30Hz AC POWER SUPPLY CORD Figure 21 BLOCK DIAGRAM (3/3) - 21 -