PDF《KBC0_B KBC1_B》

23 XIN

23 TESTMODE GPIO26/EINT4/JTRST JTCK GPIO27/EINT5/JTDI GPIO28/EINT6/JTMS JTDO JRTCK BPI_BUS0 BPI_BUS1 BPI_BUS2 BPI_BUS3 BPI_BUS4 BPI_BUS5 BPI_BUS6/GPIO20 BPI_BUS7/GPIO21/CLKO0 BPI_BUS8/GPIO22/COL5/CLKO1 BPI_BUS9/GPIO23/BSI_CS1/CLKO2 BSI_CS0 BSI_DATA BSI_CLK PWM/GPIO25 SRCLKENA

23 KCOL4 KCOL3 KCOL2 KCOL1 KCOL0 KROW4 KROW3 KROW2 KROW1 KROW0 EINT0 EINT1 GPIO42/BT/MFIQ/EINT2 GPIO43/BE/MIRQ/EINT3 EA0/GPIO30 EA1 EA2 EA3 EA4 EA5 EA6 EA7 EA8 EA9 EA10 EA11 EA12 EA13 EA14 EA15 EA16 EA17 EA18 EA19 EA20 EA21 EA22 EA23 EA24 /EADV ECLK /ECS3/GPIO52/MFIQ /ECS2 /ECS1 /ECS0 /EWR /ERD /EUB /ELB ED0 ED1 ED2 ED3 ED4 ED5 ED6 ED7 ED8 ED9 ED10 ED11 ED12 ED13 ED14 ED15 WATCHDOG/GPIO29 LCD_D0 LCD_RSTB LCD_WRB LCD_A0 LSCE0/LCD_CS0B LSCE1/LCD_CS1B UTXD2/GPIO51 URXD2/CLK5/GPIO49 URXD3/CLK4/GPIO48 UTXD3/CLK3/GPIO47 URTS1/SDA/GPIO46 UCTS1/SCL/GPIO45 UTXD1/GPIO44 URXD1/GPIO50 DAICLK/EDICK/GPIO15 DAIPCMOUT/EDIDAT/GPIO16 DAIPCMIN/GPIO17 DAIRST/GPIO18 DAISYNC/EDIWS/GPIO19 SRCLKENAI/GPIO31 ALERTER/GPIO24 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LSA0/LCD_D6 LSDA/LCD_D7 LSCK/LCD_D8 EWAIT EA25/ECRE LCD_RD /SYSRST 32.768 实时时钟晶体 中央处理器(CPU) MT6223,内部集成了电源\音频处理芯片,功能强大,故障率高. CPU坏会引起不开机、不显示、按键失灵、无背光、无声、无送话等故障. 开机维持 开机维持线虚焊会造成松手关机故障. 软件复位 主时钟 无主时钟信号手机将不能开机. 按键接口 显示接口 蓝牙供电启动 蓝牙中断请求信号 手写中断请求信号 耳机检测信号 屏灯脉冲信号 手写片选信号 蓝牙接口

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1 1 D D C C B B A A DGND AGND 1.8/2.8V PGND PWR TO CHRIN TO GATEDRV OVP/OCP

1 2. MT6223 POWER A3

2 8 Sunday, August 26,

2007 Title Size Document Number Rev Date: Sheet of BAT_ID/TEMP /SYSRST PWRKEY QB MP3_OUTR SPKP0 MICP1 MICN1 IB SPKN0 VAPC I MP3_OUTL MICN0 FM_INL ADC2_MIC MICP0 VAFC FM_INR Q VIB VIB KP_LED BAT_ID/TEMP PWRKEY BAT_ID/TEMP VDD AVDD VCHG AVDD VDD VBAT VCORE VBAT VSIM VDD VMEM VCORE AVDD VDD VMEM VRF_23 VRF_SENSE MICBIASP VREFP VREFN MICBIASN AVDD_RTC VBAT VBAT VTCXO VBAT VBAT R224 220k C231 100n TP204 TP202 C241 100pF C203 100n/25V (X7R) U1B MT6223P F14 G14 M14 N14 B10 T1 P9 P12 N4 P11 D13 A6 L9 P5 P4 K9 F4 G4 E1 H1 D1 H7 M1 J4 P1 K4 N3 K11 H14 D9 J7 K7 L8 K8 J11 H9 H10 L10 K10 H11 M4 J8 K3 J3 VDD33_EMI VDD33_EMI VDD33_EMI VDD33_EMI AVDD_RTC AVSS_PLL VDDK VDD33_EMI VDDK VDD33_LCD VDD33 AGND_RF VSS33_EMI VDD33 VDD33 VSS33_EMI AVDD_MBU AVSS_MBUF AVDD_AFE AGND_AFE AGND DGND AVSS_GSMRFTX AVDD_GSMRFTX AVSS_RFE AVDD_REF AUX_REF VSS33_EMI VDDK VDDK VSS33 VSS33 VSS33 VSS33 VSS33 DGND DGND VSS33_EMI VSS33_EMI DGND AVDD_PLL PGND AGND_RFE AVSS_AFE C104 4.7n/10V(X7R)NC 1u/6.3V (X5R) C244 R225 100K B202 BLM18HD102SN1 C103 1n/50V(X7R) F201 FUSE(1A 0603) C229 1uF C201 100n/25V (X7R) 4.7u/6.3V (X5R) C238 BatCon 3P2825A

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3 VBAT BAT_TYPE GND R216

0 ohm C209 6p 47n/10V(X7R) C105 C248 100n (X5R) 4.7u/6.3V (X5R) C245 C235 1u (16V 0805) U1D MT6223P C5 A4 B4 E2 B7 B3 A7 B8 A8 A3 A2 D2 B2 B6 A5 B5 C6 D6 E4 D3 D4 D7 B1 C1 D5 C4 G10 G9 H8 G8 A1 C2 BATDET BATSENSE ISENSE VCTXO VIO VBAT VCORE VRF_SENSE VRF AVBATRF VBAT RSTCAP VBAT VM VSIM SIMIO SIMRST SIMCLK VMSEL PWRKEY LED BAT_BK VREF VA CHRIN GATEDRV LED_B LED_G LED_R VIB AVBAT RESET C236 100pF R217

0 ohm U201 SI5853DC

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5 6 A A K K S G D D C210 22p R215 3.9k 1u/6.3V (X5R) C239 R207

0 C243 100pF TV202 R211 0.2 (1% 0805) R212

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