Sharp MS722 Service Manual - Page 32

MD-MS722/C/WMS721W P30 P31 P32 A ATA ATA K K K ON ON CNT EMPH1 B C D E F G +B C200 1 1 3 2 IC200 62FP2002 2V REGULATOR HREC JOG0 JOG1 R460 47K HKEY2 R459 47K HSTOP R455 5.6K R456 8.2K R457 18K HPLAY HKEY1 R451 R452 R453 R454 5.6K 8.2K 18K 56K R458 56K TP451 TP452 TP453 TP454 TP455 TP456 TP457 TP458 TP459 TP461 TP462 TP463 TP464 TP465 TP466 TP467 TP468 FLEXIBLE PWB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CN451 KEY FLEXIBLE PWB UNIT 1 DISPLAY VOL DOWN REC EDIT VCC P-MODE JOG 1 JOG 2 GND BASS ENTER STOP SKIP DOWN SKIP UP PLAY VOL UP CHARACTER 18 R482 18K R481 36K C481 0.1 DSPSTB DSPSCK DSPDAT 7 7 TP485 TP484 TP483 TP482 TP481 6 5 4 3 2 1 1 CN482 FLEXIBLE PWB LCD LCD DRIVER MS722/MS722C MS722W/MS721W(S) /MS721W(BL) R765·766 10 27 L710 0.47µH EMPH0 +B +B C506 IC501 0.001 AK4519VF AD/DA C505 0.001 121110 9 8 7 6 5 4 3 2 1 C501 0.0022 C502 0.0022 LIHP R501 470 C509 2.2 C510 R502 2.2 470 12 11 10 9 R72 8.2K R719 8.2K R712 5.6K R711 C734 0.1/16 5.6K C733 0.1/16 8 76 54 3 2 1 RI LI AGND IR3R54N AUDIO AMP. IC701 ROUT RIHP LOUT C504 3.3/10 MCLK PWDA PWAD AINL VCML VCMR AINR VRAD VRDA C503 3.3/10 LRCK SDTO SCLK C511 1 CMODE DEM1 DEM0 AOUTL AOUTR VCOM AGND VB VA TP500 SDTI DGND VD CONVERTER 13141516171819 202122 2324 C500 10/6.3 C508 1 L500 22µH C774 1 C773 0.22 C507 10/6.3 R500 4.7 IC771 TK71225M +B 4 3 2 5 1 C775 0.01 2.5V REGULATOR L771 47µH TP771 C771 47/6.3 C772 47/6.3 L862 47µH TP772 C868 1 C864 47/6.3 C869 47/6.3 RESET PBMUTE BEEP RCAULT AUSCLK AUDATA PBAULT C759 0.027 C760 0.027 R756 27K R757 27K VEE VCC DGND 13 14 15 16 17 18 19 20 21 22 23 24 10/6.3 C701 C703 0.01 R702 100 R703 120K 100 R701 C702 10/6.3 +B C762 1 R762 3.6K C761 R754 R761 1 270K 3.6K R770 39K C758 3.3/10 R769 39K C757 0.68 C756 0.68 12 11 10 9 8 7 6 5 4 3 2 1 RI LI AGND RIHP LOUT LIHP ROUT VEE DGND 13 14 15 16 17 18 19 20 21 22 23 24 C754 1 C872 10 L871 0.47µH +B L752 47µH C753 1 R768 1K C766 0.22 R767 1K C765 0.22 R753 C755 120K 0.01 L751 47µH R765 R764 82 R766 R763 82 VCC IC703 IR3R54N AUDIO AMP. J701 R717 1K Q711 RN1444 A C715 0.1 2 3 1 C713 1 L-CH C712 R-CH 100P(CH) INPGCK R715 100K C711 100P (CH) R713 10K L702 L703 L704 OPTICAL /LINE IN TP707 TP709 TP708 7 9 8 VCC Vout GND TP701 TP702 1 2 TP703 TP704 3 4 TP705 5 L R GND INPGIN R716 100K C714 1 R714 10K Q721 2SC4213 B R725 100 C727 1 C725 3.3/10 C726 3.3/10 R728 MCPGIN 1K C731 0.22 R729 2.7K C721 3.3/10 R730 2.7K C722 3.3/10 C735 0.001 R726 39K R727 8.2K R723 6.8K L-ch R-ch C723 0.001 R724 6.8K TP714 J702 MIC IN 4 L714 TP713 2 L713 TP712 3 L712 TP711 C724 1 0.001 C736 100 L711 J703 REMOTE D494 15AZ7.5Y CONTROL/ HEADPHONES L491 C752 0.082 C751 0.082 L-CH R-CH KEY PLAY 4.7µH TP726 C491 L456 TP725 0.1/16 TP729 TP722 L452 TP724 L454 TP723 L453 TP721 R492 1K RDATA L457 TP727 TP728 L458 6 5 2 4 3 1 7 8 D492 15AZ7.5Y D491 015Z5.1Y D493 015Z5.1Y RKEY RPLAY Q891 2SA17457 Q892 2SA17457 C451 0.001 ELLVL ELON IC871 TK71345M 4.5V REGULATOR R892 56 R893 1K RCPCNT2 +B C862 C836 1/16 0.1 L861 4.7µH C861 1/16 D861 F10J2E (ON/OFF) D871 4 RB521S30 3 2 5 1 D852 F1J2F C857 10(CH) C856 R871 1/16 18 L851 C871 R872 1 100K 4.7µH D851 +B RB521S30 IC851 CPH3403 C854 0.01 R857 100K L852 10µH D836 1SS372 R854 0.2M R853 330K C853 10P C837 0.1 (From Serial No. 81201801) 1 VREF 2 DB (Only Serial No. 81101800) IC850 C859 0.001 R858 R855 270K 1 R860 33K 2 R851 IR3M09N POWER DRIVE VREF OSCIN 12 OSCOUT DB 11 C855 100P(CH) C858 100P(CH) 100K 10K 3 EAIN+ ROSC 10 R859 PWM OSC 100K 4 EAIN- STATE 9 15K R852 5 EAOUT VCC 8 C851 68P (CH) 6 GND OUT 7 1 VREF 2 DB C831 1 C827 100P (CH) OSCIN 12 C828 OSCOUT 100P (CH) 11 Q830 DTC144 TE 3 2 1 22/6.3(Only Serial No. 81101800) 10/6.3(From Serial No. 81201801) PWM OSC C822 8P R824 R826 390K 220K R821 R822 680K 3 EAIN+ 3.3M R823 4 EAIN- 100K C821 5 EAOUT 68P (CH) 6 GND ROSC 10 STATE 9 VCC 8 OUT 7 R829 15K L821 10 (CH) IC820 C830 1 IC821 IR3M09N CPH3303 POWER DRIVE R831 180K R832 220K C833 0.33 C841 R891 R815 TP807 2.2K 56K C801 R816 IC802 0.1 24K NDH8304P POWER SELECT CHARGE DRIVE 5 4 6 3 7 2 +B 8 1 D801 R830 SB10015C 100K F800 1.00A, 63VDC C806 3.3/10 ! C805 100/6.3 R814 1K 4 3 IC841 2 5 1 XC62HS02 POWER SUPPLY MICROCOMPUTER R842 1K R811 330K R812 180K R813 100K 1 2 R844 100K C804 1 D841 1SS361 TP808 R801 2.2K R800 560 R810 015Z5.1Y 6.8K D802 VCC1 TP805 C800 1 R809 2.2K TP801 TP802 R803 27K 1 2 3 R804 680 R802 4.7K IC801 HN1C03FU 6 CONSTANT 5 4 CURRENT DRIVE D800 1SS368 TP803 +B R805 680K R806 300K TP804 C807 0.01 R841 470K TP809 C808 0.1/16 R807 100K TP810 C802 1 TP811 C803 0.1 R808 1M TP812 D842 1SS361 D843 1SS361 180K R819 R846 330K R848 8 1M 7 D821 F10J2E C825 3.3/10 R818 180K C826 100/6.3 (Only Serial No. 81101800) R843 100K Q841 2 DTA144 TE 1 3 6 4 5 IC842 7WH123FU C-MOS LOGIC C842 1 220/6.3 3 (From Serial No. 81201801) R849 180K PCNT2 R845 330K 2 1 Q842 DTA114YE 3 J801 DC IN 1 2 3 BATTERY TERMINAL EXT.BATTERY TERMINAL HPLAY R847 HREC 330K INN PCNT1 DCI PHOLD START C813 0.1 DRY RPLAY R P H • NOTES ON SCHEMATIC DIAGRAM can be found on page 39. 1 2 3 4 5 6 Figure 32 SCHEMATIC DIAGRAM (3/4) - 32 -