Sharp MS722 Service Manual - Page 30

EFMO MD-MS722/C/WMS721W P30 P31 P32 MAIN PWB-A C112 A PLAYBACK SIGNAL 0.033 C111 0.0033 +B TP202 RECORD SIGNAL C110 0.22 C107 C109 0.012 1/16 C106 0.22 TP139 R207 680 L204 XL201 33.8688MHz TP204 CK112 C211 5P(CH) LDCNT2 LDCNT1 AGND AVCC EFMI NC EFMO 48 47 46 45 44 43 42 41 40 39 38 37 CK207 GOUT TTR ROUT 1 RF1 2 RF2 R and EFM AGC EFMAGI RF2-1 ADAG ADAGC ADIPI 36 ADIPO 35 R106 56K TP211 R222 1M C212 8P(CH) TP212 TP208 FEMON EFMAGC 3 RF3 SW DIFF 34 NC C204 0.47 B C102 1 4 RF4 5 REFI C103 1 TP144 6 REFO C104 0.027 R105 7 RFADD 8 TCGI 390K 9 AIN DIFF IC101 IR3R55 ADIP AGC RF SIGNAL, PROSESSOR BIAS LPF HPF ADLPFO 33 NC 22KO 32 22KI CK109 31 WBO CK108 30 TCGO 29 CK107 AOUT 28 TP133 R104 22K 10 BIN BOUT 27 TP132 11 EIN LOGIC EOUT 26 TP131 12 FIN FOUT 25 TP130 DVCC DGND DTEMP LATCH CLOCK DATA AGND AVCC STBY DISC SGAIN BIAS 13 14 15 16 17 18 19 20 21 22 23 24 Q101 2SA17457 R101 22K CK101 CK102 CK103 TP145 CK104 TP151 CK106 C161 1 R154 1.2K C121 270P(CH) C122 270P(CH) R102 22K TP100 R103 22K TP209 TP210 CK201 CK202 CK203 FOK CK204 SENSE CIN CK205 MCCK CK206 DINT C203 R2040.1 XRT 1K SYD0 SYD1 SYD2 SYD3 SYD4 SYD5 SYD6 SYD7 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 VDD1 VPD VXI ADPON DAPON OPTCNT DCNT1 EMPH1 LDCNT2 LDCNT1 X700KO DGND VDD3 DOUT DIN X1O X1I DGND ADDATA DFCK BCLK LRCK DADATA 76 77 78 79 80 SBSY 81 SFSY 82 FOK 83 SENSE 84 COUT 85 MCCK 86 DINTX 87 VDD1 88 DGND 89 RSTX 90 SYSD0 91 SYSD1 92 SYSD2 93 SYSD3 94 SYSD4 95 SYSD5 96 SYSD6 97 50 49 48 47 76 TOTMON 77 TEMON 78 SBCK 79 SBO 50 EFMO RAD0 46 49 PLCK RAD1 45 48 ACRCER 47 TCRS RAWEX RARASX 44 43 RAA9 42 RAD3 41 IC201 LR37811 RAD2 40 RACASX 39 DGND 38 ENDEC LSI RAOEX 37 RAA8 36 RAA7 35 97 SYSD7 98 SYWRX 99 SYRDX 100 SYRS 29 RAA0 28 RAA1 27 RAA2 26 RAA3 RAA6 34 RAA5 33 RAA4 32 VDD2 31 RAA10 30 29 CK22 TP20 CK22 TEST0 TEST1 TEST2 X176KO FODRF FODRR TRDRF TRDRR SLDRF SLDRR SPDRF SPDRR TCG BIN FIN VBAT WBI VDD1 DGND EFMI AGND AIN EIN AVCC EFMMON C130 0.1 AUDATA AUSCLK RFLAT C123 390P SYWR SYRD SYRS 98 99 100 28 27 26 C C165 0.033 R161 1.2K TEMP LDON LDVAR OPICGA C124 390P 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 VCCENDEC C201 1/16 C207 0.1 TP201 C205 0.1 L201 22µH TP207 FODRF FODRR TRDRF TRDRR SLDRF SLDRR SPDRF SPDRR TP101 TP102 TP103 TP105 TP106 TP108 TP109 TP110 TP111 TP114 TP115 TP116 TP117 TP118 TP119 TP120 F- F+ R206 270K TP206 R205 680K T+ TP121 T- L100 10µH TP122 C100 X176KO CN101 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 L171 10/6.3 10µH TP487 FLEXIBLE PWB +B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 DCNT1 C172 33/6.3 C171 33/6.3 A B COM CVCC VCC DGND DGND LDON LDVAR RF2 MP/R AGND VCC RF4 RF3 F E RF1 T+ F- T- F+ +B TP413 D S E TP407 OPIC PICKUP UNIT +B IC351 74ACT02T HEAD DRIVER 8 GND 7 R907 180K +B EFMO SPDRR SYD7 SYD6 SYD5 SYD4 SYD3 SYD2 SYD1 SYD0 SYWR SYRD SYRS PCNT1 PHOLD R413 1K 1 R414 1K TP408 2 R412 3 10K R415 1K TP409 4 DSPSTB DSPDAT DSPSCK 9 6 10 5 11 4 R909 10K C902 0.01 R908 100K 12 3 E C357 0.1 13 2 14 VCC 1 D352 SB0209CP C354 0.1 C353 10/6.3 Q353 2SK2909 R351 4.7 R905 100K R903 330 C903 3.3 TP901 R906 270K 11 FG GND 10 12 BRK- CSL2 9 13 BRK+ CSL1 8 14 STBY CST 7 15 RIB COM 6 16 VCC WIN 5 17 VM VIN 4 18 UIN 3 19 WOUT RF 2 20 VOUT UOUT 1 C910 0.033 C909 0.033 C908 0.22 C905 0.0022 C906 0.0022 C907 0.0022 R901 TP351 Q354 2SK2911 C351 47P(CH) C361 0.039 IC901 R902 1 BA6965AF 1 3-PHASE BRUSH LEESS R904 33K SPIN HDON D351 SB0209CP Q352 R361 Q351 15 2SK2909 DRIVER +B 2SK2911 (Only Serial No. 8110180) C422 10/6.3 R422 100K R401 100K RCAULT MCPGIN INPGIN INPGCK RCPCNT2 TP416 TP417 R402 100K 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 26 27 28 29 SYD6 30 SYD7 26 SYD3 31 VSS 32 RCLAT 33 MCPGI 27 SYD4 28 SYD5 34 INPGI 35 INPGCK 36 RCPCNT 37 TEST1 38 TEST0 39 JPNP 40 VCC IC401 IX2772AF SYSTEM MICROCOMPUT 41 RCLED 42 ELLVL DISCPR C911 0.1 R404 100K LDON OPICGA RFLAT 43 44 45 LDON OPICGA 48 49 ELON VSS 46 RFLAT 50 RADAT PBLAT REC PBOPON RPLAY KHOLD BUZOUT MD0 MD1 INNSW WDTOVF MD2 RESET NMI µSTBY VCC XTAL 47 RACLK INNSW PDCNT R921 330 R403 1K R922 100K +B F 6G G5 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 6 7 O2 I2 4 PBAULT TP412 PBMUTE BEEP TP404 INNSW TP403 8 I1 3 9 O1 2 TP400 ELLVL TP666 TP665 TP664 TP663 TP662 TP661 TP660 TP659 TP658 TP657 TP656 TP655 TP654 TP653 TP652 TP651 10 VCC 1 IC651 +B LB1930M MOTOR DRIVER XL401 4.194MH LDCNT2 LDCNT1 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CN601 FLEXIBLE PWB 16 G COM W MU V M901 SPINDLE MOTOR + M - M902 SLED MOTOR SW902 DISC PROTECT SW901 DISC IN HEAD GP1S93K 1 + - M M903 LIFT MOTOR PH901 C608 3.3 C609 1 C610 1 R601 56K X176KO TP601 DCNT1 L609 47µH L610 47µH L608 100µH SLDRR SLDRF SPDRF IC601 +B 17A39TD PWM DRIVER 1 AGND 2 CLK 3 PS 4 OE 5 VD1 6 FO1 7 PGND 8 RO1 9 VD1 10 VD2 11 RO2 12 PGND 13 FO2 14 VD2 15 RI1 16 FI1 17 FI2 18 RI2 VG 36 VC 35 LG 34 GND 33 VD3 32 FO3 31 PGND 30 RO3 29 VD3 28 VD4 27 RO4 26 PGND 25 FO4 24 VD4 23 RI3 22 FI3 21 FI4 20 RI4 19 C622 0.1 C651 1 L651 TP602 0.47µH L604 F+ 47µH L603 F- 47µH L602 47µH L601 47µH FODRR FODRF TRDRF TRDRR C601 1 T- T+ C602 C603 1 1 TP610 C604 1 C605 0.1 C600 22/6.3 L600 2.2 R407 10K SW402 HOLD R408 100K D431 1SS361 S 1 C431 R431 0.47 330K 2 SYD2 SYD1 SYD0 SYWR SYRD SYRS PCNT1 VSS PHOLD EEPK EEPD EPCS DSPSCK DSPSTB DSPDAT ELON AUSCLK AUDATA R SPINDLE/SLED/LIFT H MOTOR ASSY UNIT • NOTES ON SCHEMATIC DIAGRAM can be found on page 39. 1 2 3 4 5 6 Figure 30 SCHEMATIC DIAGRAM (1/4) - 30 -