Acer AL708 AL708 Monitor Service Guide - Page 25

10. SCHEMATIC DIAGRAM~2 Scaler gm2120 +3.3V L10 CX000800000/1206 C69 22u/25V C98 0.1u/6 C111 0.1u/6 C121 0.1u/6 C96 0.1u/6 C88 0.1u/6 C73 0.1u/6 C75 0.1u/6 C93 0.1u/6 3.3V_DVDD C76 0.1u/6 C78 0.1u/6 3.3V_AVDD U8 2.5V_VDD 203 153 VDD2_ADC_2.5 155 VDD1_ADC_2.5 176 RESERVED 182 RESERVED 188 RESERVED +3.3V L11 GND CX000800000/1206 C80 22u/25V C101 0.1u/6 C118 0.1u/6 C100 0.1u/6 C120 0.1u/6 C103 0.1u/6 3.3V_AVDD C117 0.1u/6 C119 0.1u/6 +2.5V L13 GND CX000800000/1206 C94 22u/25V C97 0.1u/6 C108 0.1u/6 C126 0.1u/6 C110 0.1u/6 2.5V_VDD C74 0.1u/6 C95 0.1u/6 GND +5V 3.3V_AVDD 3.3V_AVDD C102 5p/6 X1 C107 5p/6 14.318MHz C82 0.1u/6 GND U4 1 2 A0 VCC 8 7 3 4 A1 A2 WP SCL 6 5 GND SDA AT24C16-10SC-1.8 R29 10K/6 R28 10K/6 GPIO13/NVRAM_SCL GPIO12/NVRAM_SDA GND R82 0/6 /WR RMADDR[0..15] RMADDR14 R75 RMADDR9 R67 RMADDR8 R66 3.3V_DVDD A16 10K/6 RM-14 10K/6 OCM-START 10K/6 H-PORT-EN RMADDR15C158 1 RMADDR14C159 1 RMADDR13C160 1 RMADDR12C161 1 RMADDR11C162 1 RMADDR10C163 1 RMADDR9 C164 1 RMADDR8 C165 1 RMADDR7 C166 1 RMADDR6 C167 1 RMADDR5 C168 1 RMADDR4 C169 1 RMADDR3 C170 1 RMADDR2 C171 1 RMADDR1 C172 1 RMADDR0 C173 1 RMDATA7 C174 1 RMDATA6 C175 1 RMDATA5 C176 1 RMDATA4 C177 1 RMDATA3 C178 1 RMDATA2 C179 1 RMDATA1 C180 1 RMDATA0 C181 1 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 215p/4 GND R84 0/6 +5V R83 10K/6 +5V R52 +5V 10K/6 R81 RMADDR15 RMADDR14 RMADDR13 RMADDR12 RMADDR11 RMADDR10 RMADDR9 RMADDR8 RMADDR7 RMADDR6 RMADDR5 RMADDR4 RMADDR3 RMADDR2 RMADDR1 RMADDR0 10K/6 FLASH_OEn GND U7 AT49HF/F010-45JC 31 WE 30 2 NC/A17 3 A16 29 28 A15 A14 4 A13 25 23 26 27 A12 A11 A10 A9 5 A8 6 7 8 9 A7 A6 A5 A4 10 A3 11 12 A2 A1 A0 24 22 OE CE DQ7 21 20 DQ6 DQ5 DQ4 DQ3 DQ2 19 18 17 15 14 DQ1 13 DQ0 1 NC VCC GND 32 16 RMDATA7 RMDATA6 RMDATA5 RMDATA4 RMDATA3 RMDATA2 RMDATA1 RMDATA0 +5V 32-Pin PLCC Socket GND RMDATA[0..7] +5V C85 0.1u/6/NS 21 FOR DEBUG PORT R42 JP1 2K/6 1 3 12 34 2 4 4-P/NS C91 33p/6 2 1 2 1 2 1 2 1 +5V R39 2K/6 GPIO5/UART_DO GPIO4/UART_DI R136 R137 330/6 330/6 HFSn HCLK C84 33p/6 GND GND 141 146 AVDD_DDDS 150 173 181 187 AVDD_SDDS AVDD_RPLL RESERVED RESERVED 193 RESERVED 196 164 RESERVED RESERVED 3.3V_A 168 172 160 AVDD_BLUE AVDD_GREEN AVDD_RED AVDD_ADC 199 VDD_RXPLL_2.5 175 178 AGND_IMB 184 AGND_RX2 190 197 198 157 158 AGND_RX1 AGND_RX0 AGND_RXC AGND_RXPLL SGND_ADC AGND 161 165 AGND_ADC AGND_BLUE 169 AGND_GREEN 149 145 140 AGND_RED AVSS_RPLL AVSS_SDDS AVSS_DDDS 6 R76 0/6 5 R73 0/6 3 HFSn 3 HCLK PPWR PBIAS 5 MUTE 5 LCD_ON/OFF +5V 3 RED+ 3 RED- 3 GREEN+ 3 GREEN- 3 BLUE+ 3 BLUE- 3 HS 3 VS GND TCLK XTAL R138 R139 A16 R130 HFSn HCLK 22/6 22/6 10K/6/NS /RESET R127 GND 10K/6 3.3V_DVDD 113 114 PPWR PBIAS 152 151 TCLK XTAL 206 207 208 1 GPIO20 GPIO19 GPIO18 205 204 GPIO17 GPIO16/HFSn GPIO22/HCLK 6 7 DDC_SCL DDC_SDA 5 50 RESETn GPIO11/ROM_WEn 171 170 167 166 RED+ REDGREEN+ 163 162 GREENBLUE+ 137 136 159 BLUEHSYNC VSYNC ADC_TEST 194 195 RXC+ 179 180 185 186 191 RXCRX2+ RX2RX1+ RX1- 192 RX0+ RX0- RMADDR15 RMADDR14 RMADDR13 RMADDR12 RMADDR11 RMADDR10 RMADDR9 RMADDR8 RMADDR7 RMADDR6 RMADDR5 RMADDR4 RMADDR3 RMADDR2 RMADDR1 RMADDR0 RMDATA7 RMDATA6 RMDATA5 RMDATA4 RMDATA3 RMDATA2 RMDATA1 RMDATA0 ROM_OEn RN15 1 2 3 4 22 RN16 1 2 3 4 22 RN17 1 2 3 4 22 RN18 1 2 3 4 22 RN19 1 2 3 4 22 RN20 1 2 3 4 22 R93 1K/6174 1% REXT 8 A15 7 A14 6 A13 5 A12 8 A11 7 A10 6 A9 5 A8 A15 A14 8 9 ROM_ADDR15 A13 10 ROM_ADDR14 A12 A11 A10 A9 11 12 13 14 ROM_ADDR13 ROM_ADDR12 ROM_ADDR11 ROM_ADDR10 A8 15 ROM_ADDR9 ROM_ADDR8 8 A7 7 A6 6 A5 5 A4 8 A3 7 A2 6 A1 A7 16 A6 A5 A4 A3 A2 17 18 19 22 23 ROM_ADDR7 ROM_ADDR6 ROM_ADDR5 ROM_ADDR4 ROM_ADDR3 A1 24 ROM_ADDR2 A0 25 ROM_ADDR1 ROM_ADDR0 5 A0 8 D7 7 D6 6 D5 5 D4 8 D3 7 D2 D7 D6 D5 D4 D3 D2 D1 D0 R128 28 29 ROM_DATA7 30 ROM_DATA6 31 32 ROM_DATA5 ROM_DATA4 33 34 35 ROM_DATA3 ROM_DATA2 ROM_DATA1 ROM_DATA0 6 D1 5 D0 36 ROM_OEn 22/6 RVSS 38 RVSS 3 21 1 +5V C106 0.1u/6 GND C157 15p/4 gm2120 PQFP208 2 GND 3.3V_DVDD GND 54 RVSS 68 RVSS 3 GND VCC Reset Circuit MAX6326 OUT 2 U10 /RESET 1 130 RVSS 112 RVSS 98 RVSS 82 RVSS DEBUG CONNECTOR GND RVSS CVDD_2.5 26 27 89 CVDD_2.5 CVDD_2.5 CVSS 88 134 133 CVSS CVDD_2.5 135 202 CVSS CVSS CVSS 148 VDD_DPLL_3.3 144 VDD_SDDS_3.3 139 VDD_DDDS_3.3 156 154 GND1_ADC 177 GND2_ADC 183 GND_RX2 189 GND_RX1 GND_RX0 2 RVDD 20 RVDD 37 3.3V_DVDD 1 RVDD 129 RVDD 111 67 81 97 RVDD RVDD RVDD RVDD RVDD 53 118 DCLK 115 DEN DVS 117 116 DHS PD47/OB7 110 109 PD46/OB6 PD45/OB5 108 107 PD44/OB4 106 PD43/OB3 PD42/OB2 PD41/OB1 PD40/OB0 105 104 103 102 PD39/OG7 PD38/OG6 101 100 PD37/OG5 PD36/OG4 PD35/OG3 99 96 95 PD34/OG2 PD33/OG1 94 93 PD32/OG0 PD31/OR7 PD30/OR6 PD29/OR5 92 91 90 87 PD28/OR4 86 PD27/OR3 PD26/OR2 PD25/OR1 PD24/OR0 85 84 83 PD23/EB7 80 79 PD22/EB6 78 PD21/EB5 PD20/EB4 PD19/EB3 77 76 75 PD18/EB2 PD17/EB1 74 73 PD16/EB0 PD15/EG7 PD14/EG6 PD13/EG5 72 71 70 69 PD12/EG4 PD11/EG3 66 65 PD10/EG2 64 PD9/EG1 PD8/EG0 63 62 PD7/ER7 PD6/ER6 61 60 PD5/ER5 PD4/ER4 PD3/ER3 PD2/ER2 PD1/ER1 59 58 57 56 55 PD0/ER0 TCON_OSP TCON_OPOL TCON_OINV 119 120 121 122 TCON_ESP TCON_EPOL 123 124 TCON_EINV TCON_RSP2 TCON_RSP3 TCON_RCLK GPIO10/TCON_ROE3 125 126 127 49 48 GPIO9/TCON_ROE2 128 TCON_ROE GPIO4/UART_D1 44 45 GPIO5/UART_D0 GPIO13/NVRAM_SCL 52 51 GPIO12/NVRAM_SDA GPIO8/IRQINn GPIO21/IRQn GPIO7/TCON_TDIV GPIO6/TCON_SHC 39 4 47 46 43 GPIO3/TIMER1 42 GPIO2/PWM2 GPIO1/PWM1 GPIO0/PWM0 41 40 R51 R44 R50 R47 EB7 EB6 EB5 EB4 EB3 EB2 EB1 EB0 EG7 EG6 EG5 EG4 EG3 EG2 EG1 EG0 ER7 ER6 ER5 ER4 ER3 ER2 ER1 ER0 OB7 OB6 OB5 OB4 OB3 OB2 OB1 OB0 OG7 OG6 OG5 OG4 OG3 OG2 OG1 OG0 OR7 OR6 OR5 OR4 OR3 OR2 OR1 OR0 C154 12p/6 2 22/8 22/6 22/6 22/6 GND R131 22/8 DCLK 6 DEN 6 DVS 6 DHS 6 EB[0..7] 5 EG[0..7] 5 ER[0..7] 5 OB[0..7] 5 OG[0..7] 5 OR[0..7] 5 R37 22/6 GPIO10 R38 22/6 GPIO9 GPIO4/UART_DI GPIO5/UART_DO GPIO13/NVRAM_SCL GPIO12/NVRAM_SDA R48 22/6 GPIO8/IRQINn R87 22/6 GPIO21/IRQn R40 22/6 GPIO7 R41 22/6 GPIO6 R43 22/6 GPIO3/TIMER1 R46 22/6 GPIO2/PWM2 R45 22/6 GPIO1/PWM1 R49 22/6 GPIO0/PWM0 GPIO10 5 GPIO9 5 GPIO8/IRQINn 5 GPIO21/IRQn 5 GPIO7 5 GPIO6 5 GPIO3/TIMER1 5 GPIO2/PWM2 5 GPIO1/PWM1 5 GPIO0/PWM0 5 VSS_DPLL VSS_SDDS VSS_DDDS Int_Test CLKOUT 201 N/C N/C Reserved 200 142 132 131 Reserved GND 147 143 138 PROJECT : L7E Quanta Computer Inc. Title gm2120 Size Date: Document Number 4. gm2120 Friday, September 27, 2002 DISPLAY Sheet 4 Rev A of 7 L7EA (AL708) 10-2