Panasonic EB-X70 Service Manual

Also see for EBX70 - CELL PHONE: Operating instructions Operating instructions Technical information Service manual

INTERFACES AND TEST POINTSIssue 1 Section 7 PMCD030901C8Revision 0 – 40 – Service Manual7.1.2 PCB to PCB ConnectorFigure 7.2: PCB to PCB ConnectorBottom ConnectionPIN Signal Name <==> Function Bottom TopTop Half Half14-18 VBAT ==> Supply for Page LED, IrDA transceiver,regulators and Photo Light supply.VBAT VBAT8, 9 VDD ==> Power Source for LCD module, IDRA interfaceand camera interface IC.D28VB D28VBVSS - Ground. GND GND61 EXTPWR ==> Supply for Charge LED. EXTPWR EXTPWR40 LCD_D(0) <==> Main LCD I/F Data bus bit 0. CALYPSO+ #N18 Rohm #G241 LCD_D(1) <==> Main LCD I/F Data bus bit 1. CALYPSO+ #N19 Rohm #G142 LCD_D(2) <==> Main LCD I/F Data bus bit 2. CALYPSO+ #P21 Rohm #F345 LCD_D(3) <==> Main LCD I/F Data bus bit 3. CALYPSO+ #M15 Rohm #F244 LCD_D(4) <==> Main LCD I/F Data bus bit 4. CALYPSO+ #N21 Rohm #F11 LCD_D(5) <==> Main LCD I/F Data bus bit 5. CALYPSO+ #P20 Rohm #E32 LCD_D(6) <==> Main LCD I/F Data bus bit 6. CALYPSO+ #M18 Rohm #E23 LCD_D(7) <==> Main LCD I/F Data bus bit 7. CALYPSO+ #M19 Rohm #E459 LCD_nCS0 ==> Main LCD I/F Chip select. CALYPSO+ #N14 Rohm #H260 LCD_nWR ==> Main LCD I/F Write enable. CALYPSO+ #T20 Rohm #H358 LCD_nRD ==> Main LCD I/F Read enable. CALYPSO+ #P19 Rohm #G343 LCD_RS ==> Main LCD I/F Register select. CALYPSO+ #R21 Rohm #H165 LCD_nReset ==> Main LCD I/F Reset. CALYPSO+ #N15 Rohm #C4, CN3004#17, CN3002 #163 CHRG_LED ==> Charge LED control. SYREN #L7 R320157 CAM_PAGE_LED ==> Camera/Page LED control. CALYPSO+ #M3 R332730 IRDA_TXIR ==> IrDA transmit data. CALYPSO+ #C16 DS3301 #531 IRDA_RXIR <== IrDA receive data. CALYPSO+ #B18 DS3301 #44 IRDA_SD ==> IrDA shutdown signal. CALYPSO+ #D15 DS3301 #332 uWIRE_SCLK ==> Microwire clock for sub LCD. CALYPSO+ #W8 CN3002 #533 uWIRE_SDO ==> Microwire data out for sub LCD. CALYPSO+ #P9 CN3002 #434 uWIRE_nCS_SUB ==> Microwire select for sub LCD. CALYPSO+ #Y7 CN3002 #27 CAM_INT <== Camera interface interrupt signal. CALYPSO+ #L18 Rohm #F46 CAM_A2 ==> Camera interface address bit A2. CALYPSO+ #B7 Rohm #J164 CAM_PWDN ==> Camera module shutdown. CALYPSO+ #C7 CN3101 #205 CAM_nPSEN ==> Camera interface supply enable. CALYPSO+ #G11 U3302 #438 EAR_P ==> Receiver positive signal. SYREN #A8 FL3401 #137 EAR_N ==> Receiver negative signal. SYREN #B8 FL3401 #266 I2C_SCL ==> I2C interface clock (not used) CALYPSO+ #B16 NC67 I2C_SDA <==> I2C interface data (not used) CALYPSO+ #B15 NC69 OSC_IN ==> Switched 13MHz for camera i/f R207 Rohm #A226 BUB_GND <== Backup battery ground return. BT100 GND12, 13 BLIGHT_PWR ==> LCD backlight supply. D301 CN3004 #1&210, 11 BLIGHT_SNS <== LCD backlight supply sense. R310 CN3004 #3&4CN200135367010706-1All manuals and user guides at all-guides.com