Panasonic KX-TG9341T Service Manual - Page 84

KX-TG9341T/KX-TG9342T/KX-TG9343S/KX-TG9343T/KX-TG9344T/KX-TGA931S/KX-TGA931T 13.5. Schematic Diagram (Handset_Main) RF circuit RXI TXO BCLK BCLK R540 NC C540 K0.1 TX_DATA SLOT_CTRL TX_DATA SLOT_CTRL *LED551 *LED552 *LED553 NC*LED554 *LED555 *LED556 *LED557 LED561 Top View *R564 100 C577 NC C576 NC C575 NC C574 NC K0.47 C572 K0.47 C571 K0.47 C570 R546 NC R547 NC C546 NC ANT1_a ANT1_b ANT2 RX_DATA RF_POWER RADIO_EN RF_RSTN SYN_DATA SYN_EN SYN_CLK SYN_OUT V_PA V_RF 3.1V ANT1_HOT1 ANT1_HOT2 ANT1_HOT3 ANT1_HOT4 ANT2 ANT1_GND ANT2_GND D386 NC C386 K0.1 C519 NC RX_DATA RF_POWER RF_RSTN SYN_DATA SYN_EN SYN_CLK SYN_OUT RF control line Flash memory for booting 1 SI SO 8 2 SCK GND 7 3 *RESET VCC 6 4 *CS *WP 5 IC546 NC TX_EN GND C+ *C565 K1.0 R560 NC 3.1V BACK FLASH LEFT Charge pump for LCD back light DOWN * 7 *C564K0.1 MENU 0 8 UP SYA 9 1 2 NEXT HOLD RIGHT TALK 4 5 6 OFF SP KIN_5 1 KIN_4 2 3 PAUSE KIN_3 TE KIN_2 KIN_1 6 5 3.1V *IC561 C4 ON/*OFF 3 *C562 K1.0 VOUT VIN STB_E STB_D STB_C STB_B STB_A C563 NC LCD_RS RW_WR E_RD DB7 DB6 DB5 DB4 R561 100 5 6 7 8 5 6 7 8 *RA551 330 1 2 3 4 *RA552 NC 4 3 2 1 *Q562 *Q563 NC Q561 C573 K0.1 C504 K0.1 C511 NC DSP Part (control circuit) (1) (2) RST R525 NC (3) X501 13.824MHz R501 1M C525 NC RF_RSTN RF_POWER SLOT_CTRL TX_DATA SYN_OUT R510 NC C510 K1.0 C512 K0.01 C515 K0.1 C514 10uF6.3V C502 D10P C501 D10P C532 10p C533 10p RF_RSTN 25 NC3 24 RF_POWER 23 NC2 22 SLOT_CTRL 21 TX_DATA 20 SYN_OUT 19 BL_LED 18 FL_CS 17 FL_DI 16 FL_DO 15 FL_RST 14 RST 13 GND5 12 GND4 11 GND3 10 GND2 9 VCCIN 8 VDD 7 XOUT 6 XIN 5 NC1 4 BCLK 3 SPP2 2 GND1 1 26 27 28 29 SYN_EN 30 SYN_CLK 31 SYN_DATA32 33 34 35 RX_DATA 36 37 38 39 40 41 42 43 DB4 44 DB5 45 DB6 46 DB7 47 48 49 RESETB 50 RADIO_EN HEAD_DET GND6 VCC1 SYN_EN SYN_CLK SYN_DATA NC4 TX_EN NC5 RX_DATA NC6 CHG_DET NC7 LCD_BACK_LIGHT NC8 CHG_CTL NC9 DB4 DB5 DB6 DB7 GND7 VCC2 RESETB IC501 (4) C534 NC C506 K0.1 100 SPPN VCC4 99 SPN 98 97 SPP1 IBAT2 96 HSM 95 94 VCCA GND10 93 MICBIAS 92 91 MIM MIP 90 VREF 89 (5) 88 IBAT1 PDN 87 GND9 86 85 EE_WP UART_RX 84 UART_TX 83 82 EE_SDA EE_SCL 81 FB2 80 79 FB1 KIN_5 78 KIN_4 77 76 KIN_3 51 FL_CLK 52 CI 53 NC10 54 NC11 55 ANT_LED 56 LCD_RS 57 RW_WR 58 E_RD 59 LCDPOW 60 NC12 61 NC13 62 NC14 63 STB_E 64 STB_D 65 STB_C 66 STB_B 67 STB_A 68 GND8 69 VCC3 70 TCK 71 TMS 72 TDI 73 TDO 74 KIN_1 75 KIN_2 KIN_3 KIN_4 KIN_5 LCD_RS RW_WR E_RD STB_E STB_D STB_C STB_B STB_A KIN_1 KIN_2 CI R573820K (1%) R572 430K (1%) RESETB R534 10k C596 K0.1 TCK TMS TDI TDO RA501 4.7k 5 6 7 8 1 2 R542 2.2k R541 10k 3 4 EEPROM Writing protection TR E (6) C B Q543 C542 J100P 8 VCC 7 WP 6 SCL 5 SDA EEPROM-16K IC541 C541 K0.1 1 A0 2 A1 3 A2 4 VSS 22 CN3 21 CN3 20 CN3 19 CN3 18 CN3 17 CN3 16 CN3 15 CN3 14 CN3 13 CN3 12 CN3 11 CN3 10 CN3 9 CN3 8 CN3 7 CN3 6 CN3 5 CN3 4 CN3 3 CN3 2 CN3 1 CN3 KEY_BACKLIGHT LCD_BACKLIGHT ANT_LED (Amber) (Amber) (Amber) White_LED NC: No Components LCD_BACKLIGHT Parameter saving EEPROM (7) (8) (9) (10) (11) 84