Acer AL2002 AL2002 Service Guide - Page 27

11.7 ACER_AL2002W (T20BAUW-G1)_SCHEMATICS_SCALER GM5766H A B C D E F G 1 2 3 4 5 6 7 8 9 VCC3V3 FB314 3V3_RPLL PBY160808T-301Y-S C355 10uF/16V T87 C356 0.1uF VCC3V3 FB315 3V3_AVDD PBY160808T-301Y-S C357 10uF/16V C358 0.1uF T88 C359 0.1uF C360 0.1uF C361 0.1uF VCC3V3 FB313 3V3_DVDD PBY160808T-301Y-S C348 10uF/16V T86 C349 0.1uF C350 0.1uF C351 0.1uF C352 0.1uF C353 0.1uF C354 0.1uF 3V3_RPLL 3V3_AVDD I306 101 92 AVDD_ADC_33 AVDD_ADC_33 AVDD_RPLL_33 110 VCC1V8 FB316 1V8_CVDD PBY160808T-301Y-S C363 10uF/16V T89 C364 0.1uF C365 0.1uF C366 0.1uF C367 0.1uF VCC1V8 VCC1V8 FB317 1V8_AVDD PBY160808T-301Y-S C368 10uF/16V T90 C369 0.1uF C370 0.1uF C371 0.1uF C372 0.1uF VCC5V I307 VCC 3 RST 2 GND 1 MIC809MU VCC5V C374 0.1uF T94 RESETn R349 2K4 VCC3V3 T95 2 1 R348 2K4 T93 Q305 MMBT3906 RIN GNDR GIN GNDG BIN GNDB HS_IN VS_IN 3 DDC_SCL_VGA DDC_SDA_VGA DDC_SCL_DVI DDC_SDA_DVI 3V3_RPLL C362 C373 RIN GNDR GIN GNDG BIN GNDB HS_IN VS_IN IC_RESETn C375 10nF DDC_SCL_VGA DDC_SDA_VGA DDC_SCL_DVI DDC_SDA_DVI 10pF 10pF T91 X301 14.318MHZ T92 XTAL TCLK 108 109 XTAL TCLK 3V3_DVDD C376 0.1uF RIN GNDR GIN GNDG BIN GNDB HS_IN VS_IN IC_RESETn 99 100 96 97 93 94 RED+ REDGREEN+ GREENBLUE+ BLUE- 89 90 111 HSYNC VSYNC RESETn DDC_SCL_VGA DDC_SDA_VGA DDC_SCL_DVI DDC_SDA_DVI 63 RVDD_33 64 65 DDC_SCL_VGA/GPIO_16 DDC_SDA_VGA/GPIO_17 66 67 DDC_SCL_DVI/GPIO_18 DDC_SDA_DVI/GPIO_19 P304 1 2 3 4 JWT-A2001WV2-04(NC) VCC5V C378 0.1uF(NC) T98 UART_DO UART_DI T99 VCC3V3 I308 1 2 3 4 A0 A1 A2 GND VCC WP SCL SDA 8 7 6 5 24LC16B VCC3V3 C379 0.1uF R359 4K7 T104 R360 4K7 R365 R366 T105 R361 4K7 T101 100 100 T106 WP SCL SDA T107 3V3_DVDD T100 R364 10K T103 SPI_CSn SPI_DI SPI_WPn BKLT_ADJ VOLUME AUDIO_EN RX2+ RX2RX1+ RX1RX0+ RX0RXC+ RXC- RX2+ RX2RX1+ RX1RX0+ RX0RXC+ RXC- VCC3V3 BKLT_ADJ VOLUME AUDIO_EN R351 2K4 3V3_AVDD R352 2K4(NC) RX2+ RX2RX1+ RX1RX0+ RX0RXC+ RXC- R350 REXT T96 C377 250/1% 0.1uF T97 GPO_5 BKLT_ADJ UART_DO UART_DI VOLUME AUDIO_EN R353 2K4(NC) R354 2K4 R355 2K4 R356 2K4 R357 2K4 R358 2K4 SPI_CSn SPI_CLK SPI_DI SPI_DO I309 1 2 3 4 CE# SO WP# GND VCC HOLD# SCK SI 8 7 6 5 SST25VF010 C380 0.1uF SPI_HOLDn SPI_CLK SPI_DO R362 10K T102 T108 R363 2K4 72 73 75 76 80 81 83 84 RX2+ RX2RX1+ RX1RX0+ RX0RXC+ RXC- 69 REXT 119 50 58 57 56 51 GPO_5/PWM1 GPO_4/PWM0 GPO_3 GPO_2 GPO_1/PWM3 GPO_0/PWM2 59 60 61 62 SPI_CSn SPI_CLK SPI_DI SPI_DO gm5766H PQFP-128 T109 68 71 77 79 AVSS_DVI AVSS_DVI AVSS_DVI AVSS_DVI AVDD_DVI_33 AVDD_DVI_33 82 74 95 98 102 103 AVSS_ADC AVSS_ADC AVSS_ADC AVSS_ADC VDD_OUT_33 VDD_OUT_33 VDD_OUT_33 2 25 47 107 AVSS_RPLL 26 48 VSS_OUT VSS_OUT 1 AVSS_BIAS 18 52 54 88 117 CRVSS CRVSS CRVSS CRVSS CRVSS 10 11 12 3V3_DVDD 1V8_CVDD 1V8_AVDD 13 VDD_RPLL_18 106 AVDD_ADC_18 104 78 70 118 87 55 17 AVDD_DVI_18 AVDD_DVI_18 CVDD_18 CVDD_18 CVDD_18 CVDD_18 LBADC_VDD_33 116 53 91 RVDD_33 RVDD_33 GPIO_8/VDATA[0] GPIO_9/VDATA[1] GPIO_10/VDATA[2] GPIO_11/DATA[3] GPIO_12/VDATA[4] GPIO_13/VDATA[5] GPIO_14/VDATA[6] GPIO_15/VDATA[7] 120 121 122 123 124 125 126 128 VCLK_IN VHS_IN VVS_IN VDE_IN CH3P_LV_E/PD0 CH3N_LV_E/PD1 CLKP_LV_E/PD2 CLKN_LV_E/PD3 CH2P_LV_E/PD4 CH2N_LV_E/PD5 CH1P_LV_E/PD6 CH1N_LV_E/PD7 CH0N_LV_E/PD8 CH0N_LV_E/PD9 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PD10/V_FIELD PD11 GPIO_30 GPIO_31 PD12/GPO32 PD13/GPO33 PD14/GPO34 PD14/GPO35 19 20 85 86 21 22 23 24 PD16/GPO36 PD17/GPO37 PD18/GPO38 PD19/GPO39 CH3P_LV_O/PD20 CH3N_LV_O/PD21 CLKP_LV_O/PD22 CLKN_LV_O/PD23 CH2P_LV_O/DEN CH2N_LV_O/DHS CH1P_LV_O/DVS CH1N_LV_O/DCLK CH0P_LV_O CH0N_LV_O 27 28 29 30 31 32 33 34 35 36 37 38 39 40 GPIO_24 GPIO_25 GPIO_26 GPIO_27 GPIO_28 IR_IN/GPIO_29 41 42 43 44 45 46 DVI_DETn VGA_DETn SCL SDA WP LED_A LED_B CH3P_LV_E CH3N_LV_E CLKP_LV_E CLKN_LV_E CH2P_LV_E CH2N_LV_E CH1P_LV_E CH1N_LV_E CH0P_LV_E CH0N_LV_E DDC_WPn CH3P_LV_O CH3N_LV_O CLKP_LV_O CLKN_LV_O CH2P_LV_O CH2N_LV_O CH1P_LV_O CH1N_LV_O CH0P_LV_O CH0N_LV_O PPWR PBIAS 127 49 VBUFC_RPLL 105 PANELVCC_EN BKLT_EN LBADC_IN1/GPIO_20 LBADC_IN2/GPIO_21 LBADC_IN3/GPIO_22 LBADC_VSS 115 114 113 112 LBADC_IN1 LBADC_IN2 DVI_DETn VGA_DETn LED_A LED_B CH3P_LV_E CH3N_LV_E CLKP_LV_E CLKN_LV_E CH2P_LV_E CH2N_LV_E CH1P_LV_E CH1N_LV_E CH0P_LV_E CH0N_LV_E DDC_WPn CH3P_LV_O CH3N_LV_O CLKP_LV_O CLKN_LV_O CH2P_LV_O CH2N_LV_O CH1P_LV_O CH1N_LV_O CH0P_LV_O CH0N_LV_O PANELVCC_EN BKLT_EN PIN 50 H: Use ATMEL SPI ROM, L: Use Standard SPI ROM. PIN 51 H: J-TAG port disable, L: J-TAG port enable. PIN 56 H: Use OSC, L: Use Xtal. PIN 57 H: Internal ROM off, L: Internal ROM on. PIN 58 Set to low. PIN 119 H: UART on GPO, L: UART on DDC. LBADC_IN2 LBADC_IN1 LBADC_IN2 LBADC_IN1 R368 820K C382 0.1uF R369 820K C383 0.1uF 1 2 3 4 5 6 7 8 9 10 11 12 13 PCB No. 6832174000P01 A B C D E F G ACER AL2002W 26 Go to cover page