Ashly-ProteaDSP-dsp-sch 电路图 维修手册.pdf

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1、123456 A B C D 654321 D C B A 2 Ashly Audio Inc. 847 Holt Rd Webster, NY 14580-9103 USA 2 S6013E1E 30-Oct-200012:09:20S:EngineeringCLIENT986013s6013e1.sch Title Size:Number: Date:File: Revision: SheetofTime: Error : Ashly.wmf file not found. B Protea DSP Board CAL LRCK /MUTE_L SDATA_IN SDATA_OUT /MU

2、TE_R SCLK /RSTC MCLK REFL 1 GNDL 2 VCOML 3 AL+ 4 AL- 5 AR+ 25 AR- 24 COMR 26 REFR 28 GNDR 27 ZCAL 6 /RST 10 CAL 9 CMODE 18 SMODE1 12 SMODE2 11 HPFE 19 MCLK 17 SCLK 14 FSYNC 16 LRCK 13 SDATA 15 VA 23 VD 7 AG 22 BGND 21 GND 8 TEST 20 U8 AK5392 DVSS 1 DVDD 2 MCLK 3 /PD 4 BICK 5 SDATA 6 LRCK 7 SMUTE 8 D

3、FS 9 DEMO 10 DEM1 11 DIF0 12 DIF1 13 DIF2 14 BVSS 15 VREFL 16 VREFH 17 AVDD 18 AVSS 19 AOUTR- 20 AOUTR+ 21 AOUTL- 22 AOUTL+ 23 VCOM 24 P/!S 25 CKS0 26 CKS1 27 CKS2 28 U9 AK4393 C46 2.2n C47 2.2n D4 BAT54 D5 BAT54 D6 BAT54 D8 BAT54 D9 BAT54 D10 BAT54 D11 BAT54 C19 .1u C39.22u C40 .22u C20 .1u C21 .1u

4、 C22 .1u C48 10u C49 10u C50 10u +3+5A C51 10u +5A C61680p C62 680p R22 1.00k R261k R27 1k R3256 R33 56 R40 8.87k R41 8.87k R44 100k R45 100k C52 10u C53 10u +2.5 R23 1.00k 4 4 1 1 2 2 3 3 5 5 0 0 J12 47P3150 +2.5 C65 .001u C66 .001u +2.5 LEFT INPUT C63 680p C64 680p R24 1.00k R281k R29 1k R34 56 R3

5、5 56 R42 8.87k R43 8.87k R46 100k R47 100k C54 10u C55 10u +2.5 R25 1.00k J13 47P3150 +2.5 C67 .001u C68 .001u +2.5 RIGHT INPUT +5A R9 10k R10 10kC23 .1u C56 47u +2.5 C24 .1u C25 .1u C26 .1u C27 .1u C57 10u C58 10u C59 10u C60 10u GND +3 R52 576 R14475 R53 576 R15 475 R56 2740 R57 2740 C42 47u 1 3 2

6、 J18 47P1085 J14 47P3150 GND GND R36 56 R11 10k R37 56 C69 .001u C70 .001u L1 ferrite L2 ferrite C28 .1u R30 1k R20 1M R48 1M R49 100k C73 820p C74 820p +18 +18 -18 LEFT OUTPUT AOUTL+ AOUTL- R54 576 R16475 R55 576 R17 475 R58 2740 R59 2740 C43 47u 1 3 2 J19 47P1085 J15 47P3150 R3856 R12 10k R39 56 C

7、71 .001u C72 .001u L3 ferrite L4 ferrite C29 .1u R31 1k R21 1M C75 820p C76 820p RIGHT OUTPUT AOUTR+ AOUTR- AOUTL+ AOUTL- AOUTR- AOUTR+ 3 2 1 84 U10A 2903 3 2 1 U11A 2043 5 6 7 U11B 2043 +3 J8 * DSP BYPASS +3 +1.5 +1.5 3 2 1 U12A 2043 5 6 7 U12B 2043 5 6 7 U13B 2043 3 2 1 U13A 2043 C30 .1u C31 .1u C

8、32 .1u C33 .1u C34 .1u C35 .1u +18 -18 C36 none +5A +3 +20.1 dBu FS-18.96 dB +6.02 dB +7.16 dBu FS MODE = I2S MASTER MODE = I2S SLAVE (#4) +6.80 dBu FS 2-POLE 50KHz BUTTERWORTH +13.55 dB +20.35 dBu FS R50 100k R51 100k UNMUTE J9 * -18 1 3 2 Q1 J110 1 3 2 Q2 J110 R600 J16 * R610 R620 C78 .0047u 5 6 7 U10B 2903 R65 1k C79 .0047u J21 LRCK SCLK MCLK D7 BAT54 -18 AG +5A +18 +18 +5A -18 R64 1k C77 47u R630 C80none C81none 1 3 2 J17 47P1295 1 3 2 J20 47P1295 /PD CAL /RSTC MCLK SCLK LRCK SDATA_IN SDATA_OUT /PD /MUTE_L /MUTE_R RadioFans.CN 收音机爱 好者资料库