LG KU580 Service Manual - Page 35

3. Technical Brief G. KU580 Bluetooth Schematic APP_GP04_FM_GPIO2 TP402 BT_CLK R401 0 R402 NA RESOUT2_n R403 NA RTCCLK ACC_GP25_BT_SPI_DAT1 ACC_GP26_BT_SPI_CLK ACC_PCM_SYNC ACC_PCM_CLK ACC_PCM_DLD ACC_PCM_ULD TP403 TP404 U401 K7 BT_RESETN F6 BT_REF_CLK_IN K9 BT_LP_CLK L9 BT_WAKEUP H9 BT_UART_RXD K6 BT_UART_CTS N4 BT_PCM_SYNC M4 BT_PCM_CLK K5 BT_PCM_A M5 BT_PCM_B STLC2590 J7 BT_CLK_REQ_OUT_1 G7 BT_UART_TXD J6 BT_UART_RTS K1 BT_RFP J1 BT_RFN M6 BT_VIO_A J9 BT_VIO_B N3 BT_VIO_C N5 BT_VIO_D G8 BT_VIO_E VDDE_1V8 ACC_GP14_BT_SPI_INT BT_CLKREQ_n VDDE_1V8 VDDK_2V75 R425 0 R423 NA R424 0 TP405TP406TP407TP408 M3 BT_GPIO_9 K3 BT_GPIO_11 K4 BT_GPIO_10 J3 BT_GPIO_16 L3 BT_GPIO_8 G9 BT_GPIO_0 E7 BT_CLK_REQ_IN_1 F9 BT_CLK_REQ_IN_2 E8 BT_HOST_WAKEUP TP409 L7 BT_CONFIG_1 M7 BT_CONFIG_2 N6 BT_CONFIG_3 J8 BT_CLK_REQ_OUT_2 B2 BT_RSVR_CL1 C3 BT_RSVR_CL2 M8 BT_RSVR_D C1 BT_RSVR_DSM C2 BT_RSVR_N M2 BT_RSVR_RF J4 BT_REG_CTRL N7 BT_HVD E6 BT_VDD_CLD H6 BT_VSSDIG1 H7 BT_VSSDIG2 H8 BT_VSSDIG3 K8 BT_VSSDIG4 L8 BT_VSSDIG5 D1 BT_VSSANA1 D2 BT_VSSANA2 E3 BT_VSSANA3 F1 BT_VSSANA4 F2 BT_VSSANA5 F3 BT_VSSANA6 F4 BT_VSSANA7 G1 BT_VSSANA8 G3 BT_VSSANA9 G4 BT_VSSANA10 H3 BT_VSSANA11 H4 BT_VSSANA12 H1 BT_VSSRF1 L1 BT_VSSRF2 J2 BT_VSSRF3 K2 BT_VSSRF4 L2 BT_HVA1 D3 BT_HVA2 E1 BT_HVA3 E2 BT_HVA4 E4 BT_HVA5 C410 0.1u C409 NA R426 100K VDDE_1V8 VBAT VSS_BT_ANA D4 NC1 F7 NC2 F8 NC3 L4 NC4 L5 NC5 L6 NC6 H2 BT_TEST1 G2 BT_TEST2 G6 BT_AF_PRG C5 FM_ROUT B5 FM_LOUT D6 FM_VIO D8 FM_SDIO VDDE_1V8 TP410 RESOUT1_n TP411 APP_I2C_SCL RTCCLK A4 FM_VA B3 FM_VD A7 FM_GPIO1 A6 FM_GPIO2 A5 FM_GPIO3 B8 FM_FMIP C9 FM_RSTB D7 FM_RCLK D9 FM_SENB E9 FM_SCLK A3 FM_GND1 B4 FM_GND2 B6 FM_GND3 B7 FM_GND4 C4 FM_GND5 C6 FM_GND6 C7 FM_GND7 D5 FM_GND8 C8 FM_RFGND TP400 TP401 ACC_GP24_BT_SPI_DAT0 ACC_GP15_BT_SPI_CS0n VDDE_1V8 VDDE_1V8 C405 0.1u R417 0 C406 0.1u 6 G2 3 G1 FL400 DEA212450BT-7043C1 5 BP1 1 U_BP 4 2 BP2 BP_DC C400 100p L400 NA ANT400AMAA802020LG11 GND1 FEED GND2 C648 0.5p VSS_BT_RF VSS_BT_RF VSS_BT_RF VSS_BT_RF VSS_BT_ANA VDDK_2V75 VSS_BT_RF C408 0.1u VSS_BT_ANA VDDE_1V8 APP_I2C_SDA C414 0.1u C411 1u C412 1u C413 1u C415 1u FM_RP FM_RN FM_LP FM_LN C418 120p C419 22n C420 22n C421 10p FM_ANT Figure 3-1-11. Schematic of STLC2590C • Clock - Clock request ➝ Connected to CLKREQ of Asta and Veronica, input to Gimly - Fast clock : 26MHz ➝ Supplied MCLK from Gimly ➝ Frequency deviation : ±20ppm - Low power clock : 32.768kHz ➝ Supplied RTCCLK from Veronica • Power - Supplied 2.75V, 1.8V from internal regulators of Veronica • Reset - RESOUT2_n signal of Asta controls STLC2590C reset. • SPI - Connected to SPI of Asta - HCI interface between Asta and STLC2590C • PCM - Audio signal interface between Asta/Veronica and STLC2590C • ANT - 2.4GHz, 50 ohm matching LGE Internal Use Only - 36 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes