Primare-SPA22-spa-sm 电路图 维修手册.pdf

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1、 PRIMARE SPA22 Surround Processing Amplifier Service Manual Downloaded from www.M manuals search engine RadioFans.CN 收音机爱 好者资料库 1. Schematics and Pcb. 2. Technical Specifications. Confidential ! This document is not allowed to show for third part without written permission from Primare Systems AB. T

2、his document is subject to change without notice. Author: Bjorn Holmqvist Primare AB Downloaded from www.M manuals search engine RadioFans.CN 收音机爱 好者资料库 1G 1 A1 2 1Y1 18 A2 4 1Y2 16 A3 6 1Y3 14 A4 8 1Y4 12 VCC 20 GND 10 2G 19 B1 11 2Y1 9 B2 13 2Y2 7 B3 15 2Y3 5 B4 17 2Y4 3 U400 74HCT244 R403 33R R40

3、5 33R R406 33R R404 33R vcc 1 sin 2 gnd 3 busy 4 sck 5 /rst 6 M400 GU140X16G-7003 dgnd dgnd dgnd dgnd C401 100n dgnd5v C403 100n dgnd 5v a 1 b 2 gnd 3 y 4 vcc 5 U401 NC7S32 C402 100n 5v dgnd dgnd C400 120p R402 100R dgnd R407 33R R409 33R R410 33R R408 33R A C B V400 alps EC12E R420 10KJ R421 10KJ R

4、415 1K2J R416 1K2J C408 10nK C409 10nK dgnd C407 100nZ C406 100nZ 5v place both 10n/1k2 at the ribbon connector Q400 DTC114 dgnd 12 D400 LED 5v R401 nc R400 1.3k tbd (bright) 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 S400 rtap30112s clockwise volume selector 1a 1 1b 2 1y 3 2a 4 2b

5、5 2y 6 gnd 7 3y 8 3a 9 3b 10 4y 11 4a 12 4b 13 vcc 14 U403 HC132 C405 100n dgnd 5v R417 10k R418 10k R419 10k 5v C410 100n C412 100n C411 100n R422100R R424100R R423100R b0 b1 b2b0 sela selb selb sela rc tdata R425 10RJ C413 470nZ D 1 G 2 V 3 U404 GP1UV701QS dgnd dgnd 5v rc SH/LD 1 CLK 2 E 3 F 4 G 5

6、 H 6 QH 7 GND 8 QH 9 SER 10 A 11 B 12 C 13 D 14 CLK INH 15 VCC 16 U402 HC165 R41410k 5% R41310k 5% R41110k 5% R41210k 5% dgnd dgnd 5v C404 100n dgnd tstb tstb vfdclk tdata busy busy dgnd K400 standby K401 balance K402 select K403 setup 5v dgnd dgnd fp vola fp volb fp LED fp vfdclk fp vfddata fp vfds

7、tb fp tstb fp selb fp sela fp ir fp data fp vfdrst connector to dsp board fp LED fp vfdrst fp vfdclk fp vfddata fp vfdstb fp tstb fp volb fp vola fp spare fp data fp ir fp sela fp selb dgnd 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CON401 20PIN dgnd dgnd dgnd dgnd dgnd 5v 1 2 3 4 CON402 CON

8、4 1 2 3 4 CON403 CON4 A B S2 S3 S1 1 2 3 4 CON404 CON4 1 2 3 4 CON405 CON4 A B dgnd dgnd dgnd R41 10k 5% 5v C414 0.01UF C415 0.01UF dgnddgnd R426 10R R427 10R C416 0.01UF C417 0.01UF dgnddgnd R428 10R R429 10R C418 0.01UF dgnd R430 10R C419 0.01UF dgnd R431 10R C420 0.01uF dgnd R432 10R 1 1 X1 1 1 X

9、2 1 1 X3 1 1 X4 1 1 X5 1 1 X6 1 1 X7 Downloaded from www.M manuals search engine RadioFans.CN 收音机爱 好者资料库 Downloaded from www.M manuals search engine C419 C410 C412 C411 R431 R429 C417 S1 CON403 CON402 R422 R423 R424 R419 R418 R417 S2 S3 S1 DGND S2 S3 DGND C405 U403 S400 19 20 CON401 C415 R427 PRIMAR

10、E SPA22 FPP BOARD VM1.0 STANDBY C401 R426 C414 C404 R406 SELECTBALANCE C418 R430 SETUP CON404 R432 C420 R402 C400 K403 M400 5V SIN DGND SCK RST BUSY C403 R414 R413 K402K401 C402 R41 R412 R411 U401 V F D U404 D400 K400U402 R401 R400 Q400 R403 R404 R405 U400 R410 R409 R408 R407 C413 R425 R428 C416 V40

11、0 5V DATA DGND SPARE VOLA VOLB IR VFDDATA DGND SELB DGND FP LED VFDRST DGND DGND SELA TSTB VFDSTB VFDCLK DGND 1 2 A B DGND DGND CON405 R420 C406 C408 R415 C407 R421 C409 R416 DGND DGND Downloaded from www.M manuals search engine SDI1 PC7 1 IO GND 2 IO VDD 3 SDO3 PC8 4 SDO2 PC9 5 SDO1 PC10 6 SDO0 PC1

12、1 7 CORE VDD 8 PF8 9 PF6 10 PF7 11 CORE GND 12 PF2 13 PF3 14 PF4 15 PF5 16 IO VDD 17 PF1 18 PF0 19 GND 20 PF9 21 SCAN 22 PF10 23 IO GND 24 IO VDD 25 TIO0 PB0 26 TIO1 PB1 27 CORE GND 28 CORE VDD 29 TDO 30 TDI 31 TCK 32 TMS 33 MOSI 34 MISO 35 SCK 36 /SS 37 HREQ 38 PLLA VDD 39 PLLA GND 40 PLLP VDD 41 P

13、LLP GND 42 PLLD GND 43 PLLD VDD 44 EXTAL 45 PINIT 46 RST 47 MODD IRQD 48 MODC IRQC 49 MODB IRQB 50 MODA IRQA 51 CORE VDD 52 CORE GND 53 SDO0_1 PE11 54 SDO1_1 PE10 55 SDI3_1 PE9 56 SDI2_1 PE8 57 SDI1_1 PE7 58 SDIO_1 PE6 59 FST_1 PE4 60 FSR_1 PE1 61 SCKT_1 PE3 62 SCKR_1 PE0 63 IO VDD 64 IO GND 65 HCKT

14、_1 PE5 66 HCKR_1 PE2 67 CORE GND 68 ADO PD1 69 ACI PD0 70 CORE VDD 71 HCKR PC2 72 HCKT PC5 73 IO GND 74 IO VDD 75 SCKR PC0 76 SCKT PC3 77 FSR PC1 78 FST PC4 79 SDO5 PC6 80 U3091 DSP56371PV180 2WR 2RD 2AA1 2AA0 2AA2 dgnd R3061 10KJ R3060 10KJ R3059 10KJ 3v3d dgnd dgnd C3104 10n dgnd R305810KJ R305710

15、KJ dsp2hso dsp2hsi dsp2hck dsp2ss m24d tda0 tda1 tda2 tda3 C3022 100nZ C3025 100nZ C3024 100nZ C3026 100nZ C3027 100nZ C3023 100nZ dgnd C3100 470nZ C3028 100nZ dsp2rst dgnd 3v3d TPG3000 T.P(NI) dgnd R3078 100R 1v8d C3029 100nZ Vdsp3v3s dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd Vdsp

16、 Vdsp Vdsp Vdsp Vdsp 1v8d VdspVdspVdsp dgnddgnddgnddgnd 1v8d 1v8d dgnd dgnd Vdsp Vdsp Vdsp dgnd VdspVdspVdsp 1v8d Vdsp dsp2hreq C3092 100u/16 C3093 100u/16 dgnddgnd 3v3d1v8d C3030 100nZ A9 24 A10 23 A11 22 A12 21 CE 6 D0 7 D1 8 D2 11 D3 12 VDD 9 GND 10 D4 25 D5 26 D6 29 D7 30 WE 13 A for 5128 20 A13

17、 18 A14 17 A15 16 NC 36 A16 15 A17 14 A0 5 A1 4 NC 19 VDD 27 GND 28 OE 31 A2 3 A3 2 A4 1 A8 32 A7 33 A6 34 A5 35 U3011 61LV2568L-8K A9 24 A10 23 A11 22 A12 21 CE 6 D0 7 D1 8 D2 11 D3 12 VDD 9 GND 10 D4 25 D5 26 D6 29 D7 30 WE 13 A for 5128 20 A13 18 A14 17 A15 16 NC 36 A16 15 A17 14 A0 5 A1 4 NC 19

18、VDD 27 GND 28 OE 31 A2 3 A3 2 A4 1 A8 32 A7 33 A6 34 A5 35 U3025 61LV2568L-8K 3v3d 3v3ddgnd dgnd3v3d 3v3ddgnd dgnd A9 24 A10 23 A11 22 A12 21 CE 6 D0 7 D1 8 D2 11 D3 12 VDD 9 GND 10 D4 25 D5 26 D6 29 D7 30 WE 13 A for 5128 20 A13 18 A14 17 A15 16 NC 36 A16 15 A17 14 A0 5 A1 4 NC 19 VDD 27 GND 28 OE

19、31 A2 3 A3 2 A4 1 A8 32 A7 33 A6 34 A5 35 U3024 61LV2568L-8K 3v3d 3v3ddgnd dgnd C3031 100nZ dgnd 3v3d C3032 100nZ C3033 100nZ SCK 1 /SS 2 /HREQ 3 SDO0 4 SDO1 5 SDO2 6 SDO3 7 Vccs 8 GNDs 9 SDI1 10 SDI0 11 FST 12 FSR 13 SCKT 14 SCKR 15 HCKT 16 HCKR 17 VccQL 18 GNDq 19 VccQH 20 PB12 21 PB11 22 PB15 23

20、PB14 24 Vccs 25 GNDs 26 ADO 27 ACI 28 TIO0 29 PB13 30 PB10 31 PB9 32 PB8 33 PB7 34 PB6 35 PB5 36 PB4 37 Vcch 38 GNDh 39 PB3 40 PB2 41 PB1 42 PB0 43 /RESET 44 Vccp 45 PCAP 46 GNDp 47 SDI0_1 48 VccQH 49 FST_1 50 AA2 51 /CAS 52 SCKT_1 53 GNDq 54 EXTAL 55 VccQL 56 Vccc 57 GNDc 58 FSR_1 59 SCKR_1 60 PINI

21、T 61 /TA 62 /BR 63 /BB 64 Vccc 65 GNDc 66 /WR 67 /RD 68 AA1 69 AA0 70 /BG 71 A0 72 A1 73 Vcca 74 GNDa 75 A2 76 A3 77 A4 78 A5 79 Vcca 80 GNDa 81 A6 82 A7 83 A8 84 A9 85 Vcca 86 GNDa 87 A10 88 A11 89 GNDq 90 VccQL 91 A12 92 A13 93 A14 94 VccQH 95 GNDa 96 A15 97 A16 98 A17 99 D0 100 D1 101 D2 102 Vccd

22、 103 GNDd 104 D3 105 D4 106 D5 107 D6 108 D7 109 D8 110 Vccd 111 GNDd 112 D9 113 D10 114 D11 115 D12 116 D13 117 D14 118 Vccd 119 GNDd 120 D15 121 D16 122 D17 123 D18 124 D19 125 VccQL 126 GNDq 127 D20 128 Vccd 129 GNDd 130 D21 131 D22 132 D23 133 MODD 134 MODC 135 MODB 136 MODA 137 SDI1_1 138 TDO 1

23、39 TDI 140 TCK 141 /TMS 142 SI 143 SO 144 U3010 DSPB56367PV150 dd3 dd0 dd1 dd2 R3071A100R R3071B100R R3071C100R R3071D100R 2wr 2aa2 2d0 2d1 2d2 2d32d4 2d5 2d6 2d7 2aa12a1 2a22a3 2a42a5 2a62a7 2a8 2a92a10 2a112a12 2a132a14 2a152a16 2a17 2a0 2rd 2wr 2aa2 2d16 2d17 2d18 2d192d20 2d21 2d22 2d23 2aa12a1

24、2a22a3 2a42a5 2a62a7 2a8 2a92a10 2a112a12 2a132a14 2a152a16 2a17 2a0 2rd 2wr 2aa2 2d8 2d9 2d10 2d112d12 2d13 2d14 2d15 2aa12a1 2a22a3 2a42a5 2a62a7 2a8 2a92a10 2a112a12 2a132a14 2a152a16 2a17 2a0 2rd 2a0 2a1 2a2 2a3 2a4 2a5 2a6 2a7 2a8 2a9 2a10 2a11 2a12 2a13 2a14 2a15 2a16 2d0 2d1 2d2 2d3 2d4 2d5 2

25、d6 2d7 2d8 2d9 2d10 2d11 2d12 2d13 2d14 2d15 2d16 2d17 2d18 2d19 2d20 2d21 2d22 2d23 2a17 ddfs ddsck 1v8d 1v8d 1v8d dgnd 3v3d dgnd adj 1 out 2 in 3 U3034 LM1117MPX-3.3 C3069 100nZ 3v3s dgnd C3107 330uF/10V +5vd adj 1 out 2 in 3 U3036 LM1117MPX-1.8 adj 1 out 2 in 3 U3037 LM1117MPX-ADJ dgnd dgnd D3000

26、SS12 D3001SS12 1v8d core1v25 C3073 100nZ C3111 10u/16 C3074 100nZ C3112 10u/16 C3071 100nZ RXP3 1 RXP2 2 RXP1 3 RXP0 4 RXN 5 VA+ 6 AGND 7 FILT 8 /RST 9 RXP4 10 RXP5 11 RXP6 12 RXP7 13 /CS 14 SI 15 SCK 16 SO 17 GPO2 18 GPO1 19 GPO0 20 VL+ 21 DGND 22 VD+ 23 RMCK 24 OMCK 25 SDOUT 26 OSCLK 27 OLRCK 28 U

27、3029 CS8416 J3002RCA J3003RCA R3067 75RF R3068 75RF C3082 100n C3083 100n i/o gnd i/o gnd 14 2 36 s2s1 T3000 AES/SPDIF 1:1 14 2 36 s2s1 T3001 AES/SPDIF 1:1 data 1 vcc 2 gnd 3 U3030 GP1FTX vcc 1 gnd 2 data 3 U3028 GP1FRX vcc 1 gnd 2 data 3 U3027 GP1FRX vcc 1 gnd 2 data 3 U3026 GP1FRX J3005RCA R3161 2

28、43R dgnd C3090 100n i/o gnd 14 2 36 s2s1 T3003 AES/SPDIF 1:1 R3160 107R coax1 coax2 opt1 opt2 opt3 opt out coax out rxp0 dgnd dgnd dgnd dgnd J3004RCA R3069 75RF C3087 100n i/o gnd 14 2 36 s2s1 T3002 AES/SPDIF 1:1 coax3 rxp1 rxp2 rxp3 rxp4 rxp5 dgnd dgnd dgnd C3084 100n C3085 100n C3086 100n C3089 10

29、0n C3088 100n C3097 1000p C3098 1n C3096 22n R30793k dgnd va rxp0 rxp1 rxp2 rxp3 rxp4 rxp5 hdsp rxp7 spdrst dgnd spss adj 1 out 2 in 3 U3035 LM1117MPX-3.3 C3070 100nZ C3110 10u/16 va dgnd C3108 10u/16 +5vd C3072 100nZ C3020 100nZ dgnd C3019 100nZ dgnd 3v3s 3v3s sptx a1 1 gnd 2 a2 3 y2 4 vcc 5 y1 6 U

30、3031 NC7WZ16 C3095 100n 3v3sdgnd spgp1 spint spso spsck spsi m24d2 spda spck spfs spmck a1 1 b1 2 y1 3 a2 4 b2 5 y2 6 gnd 7 y3 8 a3 9 b3 10 y4 11 b4 12 a4 13 vcc 14 U3033 74AC00 X3000 24.576M C3105 33pJ C3106 33pJ R3163 1MJ R3162 220RJ dgnddgnd dgnd C3068 2.2U dgnd 3v3s R3164 33R R3165 33R m24a m24d

31、 core1v25 core1v25 core1v25 core1v25 3v3s 3v3s 3v3s 3v3s 3v3s core1v25 dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd R3072 o/c R3074 0R R3073 o/c R3075 0R dgnd dgndm24d2 dsp1rst hddd0 hddd1 hddd2 hddd3 dd0 dd1 dd2 dd3 dsp1da dsp1fs dsp1fs dsp1sck dsp1sck dspmck dspmck dspmck dspmck dspmck dspmck

32、 dspsp ddsck ddsck ddfs ddfs dgnd dsp1hreq dsp1ss dsp1hck dsp1hso dsp1hsi cc1 cc2 cc1 cc2 /oe 1 a 2 gnd 3 y 4 vcc 5 U3002 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3001 NC7SZ125 C3007 100nZ C3021 100nZ dgnd dgnd ddfs ddsck dgnd dgnd dsp1fs dsp1sck dsync 1G 1 A1 2 1Y1 18 A2 4 1Y2 16 A3 6 1Y3 14 A4 8 1Y4 12

33、 VCC 20 GND 10 2G 19 B1 11 2Y1 9 B2 13 2Y2 7 B3 15 2Y3 5 B4 17 2Y4 3 U3008 LCX2244 3v3s hdsck hdfs dgnd C3006 100nZ dgnd dgnd dgnd R3000 100R /oe 1 a 2 gnd 3 y 4 vcc 5 U3000 NC7SZ125 dgnd dgnd C3000 100nZ dgnd 3v3s m24a spint R305610KJ3v3d hdmck connector to video/hdmi board connector to ada board 1

34、a 1 3y 2 2a 3 gnd 4 2y 5 3a 6 1y 7 vcc 8 U3003 NC7NZ34 C3001 100nZ dgnd 3v3s dgnd adsck adfs adda C3012 100nZ C3014 100nZ C3016 100nZ C3010 100nZ dgnd C3009 100nZ C3011 100nZ C3013 100nZ C3008 100nZ dgnd C3017 100nZ C3099 1n C3015 100nZ core1v25 3v3s C3018 100nZ L3000 10u dgnd 3v3s spgp1 ftbo ftbi R

35、3070A100R R3070B100R R3070C100R R3070D100R R3013100R R3014100R R3017 100R R3016 100R R3012 100R R3011 100R 3v3s R3015 100R R3077100R R3076100Rtdfs tdsck /e1 1 a0 2 a1 3 a2 4 a3 5 a4 6 a5 7 a6 8 a7 9 gnd 10 y7 11 y6 12 y5 13 y4 14 y3 15 y2 16 y1 17 y0 18 /e2 19 vcc 20 U3004 74AC541 dgnd C3002 100nZ d

36、gnd 3v3s dgnd dspmck_1 tdsck tdfs tda0 tda1 tda2 tda3 dgnd R3005 100R R3004 100R R3006 100RR3007 100R R3009 100R R3008 100R R3010 100R spgp1 dsp1ss dsp2ss spss spso dsp2hso dsp1hso spsi spsck dsp1hck dsp2hck dsp1hsi dsp2hsi hdsp hdrst dsp1rst dsp2rst spdrst spgp1 spgp1 spdrst dsp2rst dsp1rst hdrst h

37、dsp spsi dsp1hsi dsp2hsi spsck dsp1hck dsp2hck dsp1ss dsp1hso dsp2ss dsp2hso spss spso da da3 da da2 da da1 da da0 da sck da mck da fs badsck badfs badda ada a0 ada a1 ada a2 ada hclk ada hdata ada hstb1 ada mute ada hstb2 hd_d3 hd_d2 hd_d1 hd_d0 hd_fs hd_sck hd_mck bm24a dgnd hd i2c scl hd i2c sda

38、hd hclk hd hstb1 hd hdata hd hs hd sd hd spdif hd hstb2 +5vd L3001 2uH7K (dsp2) (dsp1) chassis1 dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnd ftbi ftbi ftbo ftbo spint m24d m24d spint dsp2hreq dsp1hreq

39、 3v3s 3v3s 3v3s hd spdif hd i2c scl hd i2c sda please note channel order dsync dsync dgnd 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 26 27 28 29 30 31 32 33 34 35 CON3000 35PIN ada mute ada a0 ada a1 ada a2 ada hclk ada hdata ada hstb1 ada hstb2 hddd0 hddd1 hddd2 hddd3 sptx dg

40、nd L3009 2uH7K3v3s 3v3d R3217 10R i/o gnddgnd dsp1hreq dsp2hreq R3224 47k 3v3s dgnd scl sda from balance board C3206 100n dgnd 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CON3007 20PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CON3002 20PIN dgnd dsrcb rxp7 balsel balsel 1 2 3 4 5 6 C

41、ON3008 6PIN dgnd R3230 10R i/o gnddgnd C3210 0.01uF C3209 0.01uf ada mutebal ada mutebal RCA1 RCA2 RCA3 RCA4 +5vd +5vd +5vd +5vd 14 2 36 s2s1 T3004 AES/SPDIF 1:1 R3244 100R C3215 22nF R3245 63R R3247 63R R3246 63R dgnd C3216 100n +12vd +12vd R3248 0R a 1 b 2 gnd 3 y 4 nc 5 vcc 6 U3202 NC7SZ08 dgnd C

42、3241 100n dgnd nohdmi R3019C 100R R3019A 100R R3019B 100R R3019D 100R 3v3s nohdmi R3249 NC 3v3s C3211 0.01uF R3234 10R D3016 1SS352 D3017 1SS352 C3212 0.01uF R3235 10R D3018 1SS352 D3019 1SS352 C3213 0.01uF R3236 10R D3020 1SS352 D3021 1SS352 C3214 0.01uF R3237 10R D3022 1SS352 D3023 1SS352 RCA1 RCA

43、2 RCA3 RCA4 i/o gnd i/o gndi/o gndi/o gnd i/o gnd i/o gndi/o gndi/o gnd i/o gnd i/o gndi/o gndi/o gnd i/o gnd i/o gndi/o gndi/o gnd 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 CON3001 17PIN dgnd dgnd dgnd dgnd dgnd dgnd hd hstb2 hd hstb1 hd hdata hd sd hd hclk hd hs dgnd dgnd dgnd 1 2 3 CON3009 3pin i

44、/o gnd RX- RX+ sda scl /oe 1 a 2 gnd 3 y 4 vcc 5 U3047 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3051 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3055 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3059 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3048 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3052 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3056

45、 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3060 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3049 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3053 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3057 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3061 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3050 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3054 NC7SZ125 /oe

46、 1 a 2 gnd 3 y 4 vcc 5 U3058 NC7SZ125 /oe 1 a 2 gnd 3 y 4 vcc 5 U3062 NC7SZ125 dsrca 3v3s C3258 100N dgnd 3v3s dgnd a0 1 a1 2 a2 3 /g2a 4 /g2b 5 g1 6 y7 7 gnd 8 y6 9 y5 10 y4 11 y3 12 y2 13 y1 14 y0 15 vcc 16 U3063 74HC138 3v3s dgnd dgnd dgnd dgnddgnd dgnd dgnd dgnd dgnd dgnd dgnd dgnddgnd dgnd dgnd

47、 dgnd 3v3s 3v3s 3v3s 3v3s3v3s 3v3s 3v3s 3v3s 3v3s 3v3s 3v3s 3v3s 3v3s 3v3s 3v3s 3v3sm24d1 m24d1 spmckspfs adfs adfs adda spda adsck adsck spck dgnd dgnd dspmck dsp1fs dsp1da dsp1sck 3v3s C3254 1UF dgnd 3v3s C3255 100N dgnd 3v3s C3256 100N dgnd 3v3s C3257 100N dgnd 3v3s C3250 100N dgnd 3v3s C3251 1UF

48、 dgnd 3v3s C3252 1UF dgnd 3v3s C3253 100N dgnd 3v3s C3246 100N dgnd 3v3s C3247 100N dgnd 3v3s C3248 100N dgnd 3v3s C3249 100N dgnd 3v3s C3242 100N dgnd 3v3s C3243 1UF dgnd 3v3s C3244 100N dgnd 3v3s C3245 100N dgnd hdsckhdfshdmck hdrst C3259 100Ndgnd C3260 100Ndgnd C3261 100Ndgnd C3262 100Ndgnd /oe 1

49、 a 2 gnd 3 y 4 vcc 5 U3064 NC7SZ125 dgnd 3v3s dgnd R3252 0R R3253100R R3254100R R3255100R R3257100R R3258100R R3259100R R3256100R R3260 33R R3261 33R m24d1 m24d2 3v3s C3263 100N dgnd dgndi/o gnd R3262 33R R3263 33R dspmck_1 R3264 10R C3264 22U 6.3V X5R C326522U 6.3V X5R C326622U 6.3V X5R 3v3s dgnd R3265 NC NO0 1 NO1 2 NO2 3 GND 4 IN2 5 IN1 6 COM 7 V+ 8 U3203 TS5A3357DCU NO0 1 NO1 2 NO2 3 GND 4 IN2 5 IN1 6 COM 7 V+ 8 U3204 TS5A3357DCU scl sda dgnd dgnd 3v3s R3266 2.7k 3v3 C3268 100N dgnd 3v3 C3267 100N dgnd C3269 22U 6.3V X5R C3270 22U 6.3V X5R