资料介绍
V175_Schematics_A4_C_L3_1Test Points Circuit
1 RTS_MODEM1 TP2 TP5 PWON 1 DTR_MODEM1 TX_IRDA RX_IRDA TP6 TP20 TP21 RPWON TX_MODEM1 RX_MODEM1 TMS TP22 TCK SYREN_TDO TP23 TP24 TDI TDO MCSI1_FSYNCH MCSI1_CLK MCSI1_TXD 2 MCSI1_RXD IT-WAKEUP KBR4 3 TP25 DC_IN 1 T400 MMBT2222ATT1 SOT-416-ON TP26 VBACKUP TP27 TP8 TP7 TP15 TP13 TP14 TP101 TP11 TP3 TP4 TP16
5
Keypad Circuit
K B R0 K B R1 K B R2 K B R3 K B R4 VBAT C401 33pF C402 33pF C403 33pF C404 33pF C405 33pF 1 2 R411 47R 0404 3 4 R413 47R 0404 1 2 3 4 R414 47R 0404 3 4 R415 47R 0404 3 4 D403 LED 0603 2 1 D404 LED 0603 2 1 D405 LED 0603 2 2 1 1 D406 LED 0603
1 DSR_MODEM1
DGN D
DGN D
DGN D
DGN D
ML V S -04 02-M0 4 20A 5. 5V
DGND DGND
LCD_D[0..7] 9 LCD_D7 LCD_D6 LCD_D5 LCD_D4 1 2 3 4 F802 LFA24 8 7 6 5 10 10 C810 33pF J801 LCM_CON LCD_ID LCD_ID 1 2 3 4 5 6 7 8 9 10