Acer A221HQV Acer A221HQV LCD Monitor Service Guide - Page 82

8.3.3.4 ACER_LCD_A211H/A221HQ(1A)_SCHEMATICS_INTERFACE BOARD_SCALER: 1 2 3 4 5 6 7 8 9 10 11 12 13 A B C D E F G 2 2 P3P3V VDDP L308 2,5 P3P3V 1 2 PBY160808T-301Y-N-GP 1 C304 E10U50VM-25-GP-U 1 P3P3V L309 1 2 PBY160808T-301Y-N-GP AVDD_33 1 C336 SCD1U16V2ZY-2GP C387 SC10U6D3V5KX-4GP 1 C380 SCD1U16V2ZY-2GP 2 2 VDDC VDDP AVDD_33 53 30 ADC_VDD33 6 PVDD33 51 P1P2V VDDC 2 P1P2V 1 C332 SC10U6D3V5KX-4GP 1 1 C333 SCD1U16V2ZY-2GP C334 SCD1U16V2ZY-2GP 2 2 2 P1P2V L310 1 2 PBY160808T-301Y-N-GP ADC_REF 1 C330 SCD1U16V2ZY-2GP 1 C331 SCD1U16V2ZY-2GP 2 2 P5V Q313 P5V MMBT3906-4-GP E C R394 1 B AMBER R392 1 1 R391 2 4K7R2J-2-GP 2 10KR2J-3-GP 21KR2J-1-GP LED_AMBER 5 I306 DVDD12 DVDD12 3 GNDB 3 BIN 3 GNDG 3 GIN 3 GNDR 3 RIN 3 SOG 2 PANELVCC_EN 2 BKLT_EN 3 VGA_DETn 3 DDC_W Pn 2 AUDIO_EN 2 VOLUME 2 BKLT_ADJ 2 MUTE 5 KEY_ADC1 5 KEY_ADC2 5 KEY_POWER EESDA GREEN AMBER VGA_DETn WP_PRO EESCL KEY_ADC1 KEY_ADC2 KEY_POWER 7 8 9 10 12 13 BB+ GG+ RR+ 11 SOG0 29 64 63 55 25 26 P1_0/T2 P1_1 P3_2/INT0 P3_3/INT1 P3_6/I2C_MDA_1 P3_7/I2C_MDL_1 20 27 28 56 61 62 P5_0/PW M0 P5_1/PW M1 P5_2/PW M2 P5_3/PW M3/CLKO1 P5_4/PW M4 P5_5/PW M5 57 58 59 60 P6_0/ADC0 P6_1/ADC1 P6_2/ADC2 P6_3/ADC3 RTD2280L HSYNC VSYNC XIN XOUT SPI_SDI/SCLK SPI_SDO/SCSB 24 21 SPI_CE SPI_SCL/SDIO 22 23 SDIN SDOUT CE CLK RST DGND DGND STANDBY_ATTN STANDBY_ATTN 2,5 RST 54 REXT 4 TXE0-/P8_7 TXE0+/P8_6 TXE1-/P8_5 TXE1+/P8_4 TXE2-/P8_3 TXE2+/P8_2 TXE3-/P8_1 TXE3+/P8_0 40 39 38 37 36 35 34 33 TXO0TXO0+ TXO1TXO1+ TXO2TXO2+ TXO3TXO3+ 50 49 48 47 46 45 42 41 TXOCTXOC+ 44 43 DDC_SCL/P3.0/RX DDC_SDA/P3.1/TX 19 18 ADC_REF ADC_GND 15 14 LV_A7 LV_A6 LV_A5 LV_A4 LV_A3 LV_A2 LV_A1 LV_A0 LV_B7 LV_B6 LV_B5 LV_B4 LV_B3 LV_B2 LV_B1 LV_B0 LV_A[0..7] LV_B[0..7] LV_A[0..7] 5 LV_B[0..7] 5 TXOC- 5 TXOC+ 5 DDC_SCL_VGA 3 DDC_SDA_VGA 3 ADC_REF 52 LDO_CTL 16 17 1 2 5 ADC_GND 32 31 3 AGND 2 1 P3P3V C383 (NC)SC1U10V2KX-1GP RST R337 (NC)4K7R2J-2-GP 1 2 EESCL 1 R334 EESDA 1 R335 VGA_DETn 1 R345 AMBER 1 R348 WP_PRO 1 R355 FLASH_WP 1 R336 CE 1 R340 KEY_POWER 1 R352 KEY_ADC1 1 R341 KEY_ADC2 1 R353 STANDBY_ATTN 1 R354 P3P3V 2 10KR2J-3-GP 2 10KR2J-3-GP 2 100KR2J-1-GP 2 (NC)100KR2J-1-GP 2 100KR2J-1-GP 2 10KR2J-3-GP 2 10KR2J-3-GP 2 100KR2J-1-GP 2 4K7R2J-2-GP 2 4K7R2J-2-GP 2 (NC)4K7R2J-2-GP P5V Q314 MMBT3906-4-GP E C R395 1 B GREEN R396 1 2 4K7R2J-2-GP 1 R393 2 10KR2J-3-GP 21KR2J-1-GP LED_GREEN 5 2 VCTRL 3 HSYNC 3 VSYNC 1 2 C388 SC22P50V2JN-4GP X301 XTAL-14D31818MHZ-7-GP 1 2 C389 SC22P50V2JN-4GP 1 2 2 1 1 R342 R375 (NC)1MR2J-1-GP 1 R343 2 0R2J-2-GP 2 560R2J-3-GP XIN XOUT CE R399 1 SDOUT R400 1 FLASH_WP R401 1 222R2J-2-GP 222R2J-2-GP 222R2J-2-GP R339 (NC)10KR2J-4-GP 2 2 EESCL EESDA R397 1 R398 1 WP_PRO 2100R2J-2-GP 2100R2J-2-GP P3P3V I304 1 2 3 4 CE# SO W P# GND VCC HOLD# SCK SI 8 7 6 5 PM25LV010A-100SCE-GP P3P3V R403 1 R402 1 222R2J-2-GP 222R2J-2-GP C335 SCD1U16V2ZY-2GP 1 CLK SDIN C390 SCD1U16V2ZY-2GP XIN XOUT 2 1 I305 7 6 5 W C# SCL SDA 8 VCC E0 E1 E2 1 2 3 VSS 4 M24C16-WMN6-1GP 1 1 2 3 4 5 6 7 8 9 10 11 12 13 PCB No. L9142-1M A B C D E F G ACER A211H/A221HQ 80 Go to contents page