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1、5 5 4 4 3 3 2 2 1 1 DD CC BB AA 充电指示电路，上下二选一,有充电IC都不需要 LED指示灯上下二选一 晶振两种封装，二选一 晶振及负载电容需包地，且底部不能走线 MCU:AC6925B FM BT-ANT MIC LED Shenzhen Lenze Technology Co,.LTD MCU-AC6925B AC6925B APPLICATION CIRCUIT.dsn MCU旁路电容，需尽量靠近IC脚 测试点需放在同一层 TEST POINT FM-ANT-IC FM-ANT BT-ANT MIC DACL MIC LINE-IN DM DP MUTE A
2、D-KEY SD-CLK SD-CMD SD-DAT VCOM FM-ANT-IC BT-ANT-IC OSC24MO OSC24MI LED-DC LED-DC LED LED LED-DC LED-DC OSC24MOOSC24MI OSC24MIOSC24MO OSC24MO OSC24MI BT-ANT-IC VCOM AD-KEY DM DP AB/D BT-ANTBT-ANT HOLD LED GND GNDA DACVDD BAT+3V7 GND GND DC+5V DC+5V BATT+ 3V3 DACVDD BT_AVDD GNDA GND GND GND GND GND 3
3、V3 GND BAT+3V7BT_AVDD GNDA DACVDD BAT+3V7 GND GNDGND Title SizeDocument NumberRev Date:Sheetof V1.0 A4 13Tuesday, April 10, 2018 Title SizeDocument NumberRev Date:Sheetof V1.0 A4 13Tuesday, April 10, 2018 Title SizeDocument NumberRev Date:Sheetof V1.0 A4 13Tuesday, April 10, 2018 FB1 NC FB1 NC MK1 M
4、IC MK1 MIC 1 2 R3NCR3NC R2NCR2NC BAT+3V7BAT+3V7 Y124MHz/10PPMY124MHz/10PPM 12 3 4 GNDGND ANT1 PCB_BT_ANT ANT1 PCB_BT_ANT 1 2 C5 105/225 C5 105/225 C7 105/474 C7 105/474 Y224MHz/10PPMY224MHz/10PPM 13 2 4 R56.8KR56.8K C6 105/225 C6 105/225 C12 NC C12 NC LED1REDLED1RED LED2 BLUE LED2 BLUE C13 NC C13 NC
5、 LED3LED3PLED3LED3P 1 2 3 C10104C10104 R4510RR4510R C4 105/474 C4 105/474 C2 10P C2 10P DMDM Q1 NC/9015 Q1 NC/9015 C32P7FC32P7F ANT2 PCB_BT_ANT ANT2 PCB_BT_ANT 1 2 R60RR60R AD-KEYAD-KEY DPDP FM-ANTFM-ANT C8 105/474 C8 105/474 C11 NC C11 NC FB3180nHFB3180nH R1NCR1NC U1AC6925B-QSOP24U1AC6925B-QSOP24 P
6、C5/SD1CLKA 1 PC4/SD1CMDA/ADC4 2 PC3/SD1DATA/ADC10 3 USBDM/ADC11 4 USBDP 5 PA0/MIC/PA4/AUX1R/ADC1 6 PA3/AUX1L/ADC0 7 DACL 8 DACVDD 9 VCOM 10 DACVSS 11 VDDIO 12 ADC9/AUX0R/SD0CLKB/PB5 13 ADC8/AUX0L/SD0CMDB/PB4 14 BT_OSCO 24 BT_OSCI 23 FMVSS 22 FMIP 21 BT_RF 20 BT_AVDD 19 VBAT 18 ADC6/PB0 17 ADC7/PB1 1
7、6 SD0DATB/PB3 15 5 5 4 4 3 3 2 2 1 1 DD CC BB AA 软开机软开机TF CARD USB HOST USB HOST电源上下二选一 USB封装二选一 USB Shenzhen Lenze Technology Co,.LTD Peripherals AC6925B APPLICATION CIRCUIT.dsn 充电电路上下二选一 AMP TP1靠近功放的输入端，并靠近电池负极 KEY 硬开机硬开机 LINEIN SP+ SP-PP PP/MODE PREV/V- NEXT/V+ V- V+ MODE TEL SD-CMD SD-CLK SD-DAT
8、 SD-DET SD-DET DM DP LIN-L FM-ANT LIN-R FM-ANT SD-CLK DM DP PWR HOLD DACL MUTE AD-KEY PWR AD-KEY LINE-IN AB/D DC+5VBATT+ GND BATT+BAT+3V7 GND 3V3-SD 3V33V3-SD GND 5V-HOST BAT+3V7 5V-HOSTBAT+3V7 5V-HOST GND DC+5VDC+5V GND GND BATT+BAT+3V7 DC+5V GND GND DC+5V BATT+ BATT+ DC+5V GND GND GND 5V-HOST GND
9、3V3 GNDA GND GND BAT+3V7 GNDA GNDA BAT+3V7 GNDAGND GND 3V3 GNDA GND Title SizeDocument NumberRev Date:Sheetof V1.0 A4 23Wednesday, April 11, 2018 Title SizeDocument NumberRev Date:Sheetof V1.0 A4 23Wednesday, April 11, 2018 Title SizeDocument NumberRev Date:Sheetof V1.0 A4 23Wednesday, April 11, 201
10、8 K3PREV/V-K3PREV/V- C1710uFC1710uF R53 3.3K R53 3.3K R1610KR1610K USB2 Micro-USB USB2 Micro-USB VBUS 1 D- 2 D+ 3 ID 4 GND 5 S1 6 S2 7 S3 9 S4 8 R2524KR2524K R48 NCR48 NC R19 NC R19 NC R45NCR45NC K2NCK2NC J1 SPEAK J1 SPEAK R54 2.2K R54 2.2K R2415KR2415K PJ2 LINE_IN PJ2 LINE_IN4 3 2 1 K1PP/MODEK1PP/M
11、ODE U48002U48002 SD 1 BP 2 +IN 3 -IN 4 VO1 5 VDD 6 GND 7 VO2 8 R229K1R229K1 R216K2R216K2 C16NCC16NC R183KR183K C19224C19224 CON1 Micro SD (T-Flash) CON1 Micro SD (T-Flash) VDD 4 CLK 5 CD/DATA3 2 NC2 12 DAT0 7 DAT1 8 DAT2 1 CMD 3 VSS2 6 NC1 11 Card Det 9 NC 10 NC3 13 C14NCC14NC R150RR150R R4110KR4110
12、K D2 5819 D2 5819 C15 NC C15 NC R17 22K R17 22K R43220KR43220K R4010KR4010K LED7REDLED7RED U6 4054 U6 4054 STAT 1 VSS 2 VBAT 3 PROG 5 VDD 4 R10 10K R10 10K K1 NC/RST K1 NC/RST R141RR141R R7 10K R7 10K R477.5KR477.5K Q3 2N3904 Q3 2N3904 R8NCR8NC C23NCC23NC Q2 2301 Q2 2301 R4933KR4933K USB3 USB_HOST-5
13、P USB3 USB_HOST-5P VDD 1 DM 2 DP 3 NC 5 6 NC1 GND 4 BAT2 3.7V BAT2 3.7V 1 2 C21104C21104 R55510RR55510R K10PWRK10PWR K9TELK9TEL C20105C20105 R91KR91K U3NC/HX4004AU3NC/HX4004A 5V 1 GND 2 3 3 C 4 5 5 C1 6 K8MODEK8MODE + TC1NC/100uF + TC1NC/100uF C22NCC22NC D4BAT54CD4BAT54C C9 105 C9 105 R114.7RR114.7R
14、 SW1SWSW1SW 1 2 3 45 R32120KR32120K R123.3KR123.3K FB2 600R-100MHZ FB2 600R-100MHZ K7PPK7PP R44NCR44NC R30100KR30100K K6V+K6V+ R42 0R R42 0R C28 105 C28 105 R2851KR2851K TP1TP1 K5V-K5V- R39NC/10KR39NC/10K R2633KR2633K R132.2RR132.2R K4NEXT/V+K4NEXT/V+ USB1 Micro-USB USB1 Micro-USB VBUS 1 D- 2 D+ 3 ID 4 GND 5 S1 6 S2 7 S3 9 S4 8 R3810KR3810K
