Panasonic KX-TG2480BXS Service Manual

Contents

28 SCHEMATIC DIAGRAM (BASE UNIT)VCCC352NCC511K0.1R124 33KC801 K0.1C806 K0.1K1.0C502NCC113C553 K0.1R123 NC1KR501C144 K0.1TXD100R612C609 K0.1C509 K0.1C382K0.01DEMODC510K0.11 INT02 CHG_CTL23 L1_BELL4 L1_RLY5 AGPIO56 KEYS_F7 L1_SZ8 KEYS_D9 KEYS_C10 KEYS_B11 KEYS_A12 CHARGE_CTL13 CHARGE_DET14 CHG_LED15 SPP_LED16 VCC17 GND18 EGPIO019 EGPIO120 EROM_WP21 KEYIN522 KEYIN423 KEYIN324 KEYIN225 KEYIN126 EROM_WP27 EROM_CLK28 EROM_DATA29 SDATA(RF)30 SLE(RF) 39HSSPOUT40LOUT041LOUT142VREFO43DCIN0_OFF-HOOK44LIN045LGS046CIDO047CIDIN048CIDIP049VCCA50DCIN151LIN152LGS153CIDO154CIDIN155CIDIP156GNDA57HSMIP58HSMIN73PDWN74FLASH_RE75TX_DATA76MOD_EN77FLASH_SO78FLASH_SI79FLASH_CS80BGPIO681RXEN82TXEN83RX_GAIN84RX_DATA85L1_LED86L2_LED87MSG/VM_LED88RF_RESET89RADIOEN90GND91VCC92L2_RLY93L2_BELL94L2_RLY95SHCTRL96L2_SZ97CGPIO598T_CLK(JTAG)99T_MODE_SEL(JTAG)100T_D_IN(JTAG)101T_D_OUT(JTAG)102CGPIO7109 SEG11110 SEG10111 SEG9112 SEG8113 SEG7114 SEG6115 SEG5116 SEG4117 SEG3118 COM2119 COM1120 UART_TX121 UART_RX122 L1_RLY123 DGPIO0124 GND125 VCC126CGPIO12127FLASH_SCK128INT172RESET71GND70XIN69XOUT68VCCPLL67GNDPLL66VCCR65RSSI63NC62GNDR61MIP60MIN59VREF104CGPIO9106 GND107 VCC108 SEG1238 VCCPA37 SPOUTN36 GNDPA35 SPOUTP33 EGPIO15105CGPIO1031 SCLK(RF)32 SDIO(RF)34 GND64VREFFR103CGPIO8C590 NC2.5V REG1 VOUT2 NC3 GND4 Cn 5Cont6NC7NC8VinC618K470PNCC611NCC772 NCC770 NCC771NCC774NCC762NCC763C773 NCNCC769 NCC768 NCC767C778 NCANT139KR805K0.1C812150R804K0.1C813K0.1C810NCC811Q800C804C2PR801NC13.824MHzX801 C805C2PC554 K0.13PC8091.8KR803C591K0.1LGS1R802NCINT0C541 NCURX1UTX1R543 4.7KFVCC FGNDFCSFSOFSILED723L2_LEDR723390C724NCNCC550UVCC1UGND1R334 1KR504 NCR505 NCR506 NCR503 NCC512K0.1LOUT1FRSTNCFOR FLASH BOOT1RDY2RESET3WP4NC5NC6VCC7GND8NC9NC10NC11CS12BCLK13SI14SO15 NC16 NC17 NC18 NC19 NC20 NC21 NC22 NC23 NC24 NC25 NC26 NC27 NC28 NCSHCTRLSLERX_DATATX_ENANTRF_RESETVBATT2RX_ENRX_GAINSCLKDMODSDATARSSITX_DATAOSC_INGNDSDIO680R807560R806C803 10RA5014.7K75312468KIN4NCC761MOD_ENPDNRSTURX2UGND2UVCC2UTX2JG2JI2JS2JC2JO2JC1JO1JS1JI1C751 NCC750 NCC722NCC723NCC720NCR709NCR711 NCANT2ANTG2ANTG1C608 NCC607 NCNCC80210u/6.3VC560L501R333 47KC176NCC142NCC318 K0.1C317330u/6.3VBCKLED724IN USE LEDR724220RXDTXD2LED720CHARGE_LEDR720270C606330u/4.0V150R516+- -+NC123GND4 5678VCCIO1W_VDDW_GNDRSSI1INT1TTS2NCC741C228 K1500P120KR228C508NC100KR227C227K470PR710 NC16K1 A02 A13 A24 VSS 5SDA6SCL7WP8VCCR712 10KC711 K0.1C712 J1202211C713NCR507NCR706NCR713 1KLED722L1_LEDR722390TTS1R570 47KNCC599NCC592R592NCR593NCR594NCR595 NCR591NCNCQ591NCQ592KIN3KIN2KIN1C143K1000PRADIO_ENRX_ENPDNRSTRF UNIT I/F PADVCC 3.3VAC_DOWNIC501IC601IC701IC591 IC700(1)(7)(8)(9)(10)(6)(5)(4)(3)(2)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(11)(12)2.5VNC : No Components84KX-TG2480BXS / KX-TGA248BXS