Acer A221HQV Acer A221HQV LCD Monitor Service Guide - Page 77

8.3.2.5 ACER_LCD_A211H/A221HQ(1A1D)_SCHEMATICS_INTERFACE BOARD_SCALER: 1 2 3 4 5 6 7 8 9 10 11 12 13 A B C D E F G KEY_POWER DVI_CABLE_DET VGA_CABLE_DET ATTN WP_PRO WP EESCL EESDA KEY_ADC1 KEY_ADC2 1 R352 1 R353 1 R354 1 R355 1 R356 1 R357 1 R358 1 R359 1 R362 1 R401 P3P3V 2 100KR2 J- 1-G P 2,6 2 100KR2 J- 1-G P 2 100KR2 J- 1-G P 2 (N C)1 00KR2 J- 1-GP 2 10KR2J -3- GP 2 10KR2J -3- GP 2 10KR2J -3- GP 2 10KR2J -3- GP 2 (N C)4 K7R2J -2- GP 2 (N C)4 K7R2J -2- GP P3P3V 2,3,4,6 P5V P5V Q313 MMBT3906-4-GP E C R394 1 21KR2J -1- GP P3P3V L307 1 2 PBY160808T-301Y-N-GP V33P 1 1 C346 C345 SCD1U16V2ZY-2GP E10U5 0VM-25- GP-U 2 2 P3P3V V33TMDS L309 1 2 PBY160808T-301Y-N-GP C350 SC10U 6D3 V5MX-3GP C351 SCD1U16V2ZY-2GP 2 1 2 C347 SCD1U16V2ZY-2GP P1P2V P1P2V V12ADC L308 1 2 PBY160808T-301Y-N-GP 1 C348 SC10U 6D3 V5MX-3GP 1 C349 SCD1U16V2ZY-2GP 2 2 P1P2V V12C C352 SCD1U16V2ZY-2GP L310 1 2 PBY160808T-301Y-N-GP C382 SC10U 6D3 V5MX-3GP 1 1 1 C353 SCD1U16V2ZY-2GP C354 SCD1U16V2ZY-2GP 21 21 21 2 2 2 P3P3V L311 1 2 PBY160808T-301Y-N-GP 1 V33SDRAM C356 SCD1U16V2ZY-2GP 1 C357 SCD1U16V2ZY-2GP 2 2 LED_AMBER 6 2 1 C355 SCD1U16V2ZY-2GP B AMBER R392 1 1 R391 2 4K7R2J-2-GP 2 10KR2J -3- GP P5V Q314 MMBT3906-4-GP E C R395 1 21KR2J -1- GP LED_GREEN 6 I310 RTD228 1 B 1 GREEN R396 1 2 4K7R2J-2-GP 1 R393 2 10KR2 J- 3-GP EESCL EESDA R364 1 R365 1 2100R 2J -2- GP 2100R 2J -2- GP WP_PRO P3P3V 1 C358 SCD1U16V2ZY-2GP I309 7 6 5 WC# SCL SDA 8 VCC E0 E1 E2 1 2 3 VSS 4 M24C16-WMN6-1GP 2 CE SDOUT WP R366 1 R367 1 R368 1 2 22R2J-2-GP 2 22R2J-2-GP 2 22R2J-2-GP 2 R372 (N C) 100KR2 J- 1-G P I311 1 2 3 4 CE# SO WP# GND VCC HOLD# SCK SI 8 7 6 5 P3P3V R369 1 R370 1 222R2J-2-GP CLK 222R2J-2-GP SDIN 1 PM25LV020-100SCE-GP C359 SCD1U16V2ZY-2GP 2 C360 SC22P50V2J N-4GP 12 X301 XTAL-14 D3 1818 MHZ-7 -GP 12 SC22P50V2J N-4GP C361 1 2 2 1 V33SDRAM WP 4 DVI_HOT_PLUG 2 STANDBY_CTRL 2 BKLT_EN 2 BKLT_ADJ CLK SDIN SDOUT CE V33P R371 1 V12C 210KR2 J- 3-G P 4 DDC_SDA_DVI 4 DDC_SCL_DVI R374 1 R373 2 560R 2J -3- GP (NC)1MR2J-1-GP 1 R375 2 0R2J-2-GP RESETB 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 TCON8/GPI#103/GPO#103/IICSCL#103/PWM1#103/AR3N TCON5#104/GPI#104/GPO#104/IRQB#104/IICSDA#104/AR2P TCON9/GPI#105/GPO#105/AR2N PVCC PGND TCON7/GPI#108/GPO#108/AR1P TCON3/GPI#109/GPO#109/AR1N TCON2_6_7/GPIO#110 TCON4_7/GPIO#111 TCON5_9#112/GPIO#112 TCON1_11/GPIO#113 TCON0_13/PWM4#114/GPIO#114 SPI_SCLK/SDIO SI/MCU_SCLK SO/SCSB CEB/IRQB#118 GPIO#119/PWM5#119 VCCK DDCSCL3/GPIO#121 DDCSDA3/GPIO#122 DDCSDA2/GPIO#123 DDCSCL2/GPIO#124 RESET# GPIO#126/PWM1#126 XO XI 2 1 2 V33P R378 10KR2 J- 3-GP CE R379 (NC)10KR2J -3- GP 1 2 1 V33P R376 4K7R2 J- 2-GP RESETB C362 (N C) E10U50 VM-25- GP-U V33TMDS R377 1 R397 1 2 6K2R2F-GP 2 (NC)6K2R2F-GP 2 1 V33TMDS DRX0N DRX0P DRX1N DRX1P DRX2N DRX2P DRXCP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 TMDS_VDD TMDS_REXT RESERVED#3 RESERVED#4 RESERVED#5 RESERVED#6 RESERVED#7 RESERVED#8 RESERVED#9 RESERVED#10 TMDS_GND RX2P_1 RX2N_1 RX1P_1 RX1N_1 RX0P_1 RX0N_1 RXCP_1 RXCN_1 TMDS_VDD AVS0 AHS0 ADC_VDD B0B0+ G0G0+ SOG0 R0R0+ GPI#31 GPI#32 GPI#33 GPI#34 RESERVED#35 GPI#36 GPI#37 ADC_GND TCON10/GPI#102/GPO#102/PWM0#102/AR3P GPI#101/GPO#101/PWM5#101/TCON0/AG1N GPI#100/GPO#100/PWM4#100/TCON12_3/AG1P GPI#99/GPO#99/PWM3#99/TCON11_6/AG2N GPI#98/GPO#98/PWM2#98/AG2P DVS/GPI#97/GPO#97/PWM1#97/AG3N DCLK/GPI#96/GPO#96/PWM0#96/AG3P DHS/TXE0-_8B/ACLKN DENA/TXE0+_8B/ACLKP ARED0/ARED2#93/TXE1-_8B/AB1N ARED1/ARED3#92/TXE1+_8B/AB1P ARED2#91/ARED4#91/TXE2-_8B/AB2N ARED3#90/ARED5#90/TXE2+_8B/AB2P ARED4#89/ARED6#89/TXEC-_8B/AB3N ARED5#88/ARED7#88/TXEC+_8B/AB3P ARED6#87/AGRN2#87/TXE3-_8B/BR1N ARED7#86/AGRN3#86/TXE3+_8B/BR1P PGND PVCC AGRN0/GPI#83/GPO#83/AGRN4#83/TXO0-_8B/BR2N AGRN1/GPI#82/GPO#82/AGRN5#82/TXO0+_8B/BR2P AGRN2#81/GPI#81/GPO#81/AGRN6#81/TXO1-_8B/BR3N AGRN3#80/GPI#80/GPO#80/AGRN7#80/TXO1+_8B/BR3P AGRN4#79/GPI#79/GPO#79/ABLU2#79/TXO2-_8B/BG1N AGRN5#78/GPI#78/GPO#78/ABLU3#78/TXO2+_8B/BG1P AGRN6#77/GPI#77/GPO#77/ABLU4#77/TXOC-_8B/BG2N AGRN7#76/GPI#76/GPO#76/ABLU5#76/TXOC+_8B/BG2P ABLU0/GPI#75/GPO#75/ABLU6#75/TXO3-_8B/BG3N ABLU1/GPI#74/GPO#74/ABLU7#74/TXO3+_8B/BG3P VCCK TCON6_12/GPI#72/GPO#72/PWM3#72/BCLKN ABLU2#71/TCON10_8/GPI#71/GPO#71/PWM1#71/PWM5#71/BCLKP ABLU3#70/TCON9_11#70/GPI#70/GPO#70/IICSDA#70/BB1N ABLU4#69/TCON7_3/GPI#69/GPO#69/IICSCL#69/BB1P ABLU5#68/TCON13_3/GPI#68/GPO#68/BB2N ABLU6#67/TCON5_9#67/GPI#67/GPO#67/BB2P ABLU7#66/TCON4_2/GPI#66/GPO#66/BB3N TCON7_1/GPI#65/GPO#65/PWM1#65/BB3P 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 LV_B9 LV_B8 LV_B7 LV_B6 LV_B5 LV_B4 LV_B3 LV_B2 LV_B1 LV_B0 LV_A9 LV_A8 LV_A7 LV_A6 LV_A5 LV_A4 LV_A3 LV_A2 LV_A1 LV_A0 LV_B[0..9] LV_A[0..9] LV_B[0..9] LV_A[0..9] 6 6 V33P V12C TCON0_7/GPIO#64 TCON1_8/PWM2#63/GPIO#63 PVCC PGND VCCK TCON3_5/DDCSDA1/GPIO#59 TCON7_10/DDCSCL1/GPIO#58 TCON9_11#57/IICSDA#57/GPIO#57 TCON1_4/IICSCL#56/GPIO#56 TCON0_5/PWM1#55/PWM5#55/GPIO#55 GPIO#54 A_ADC3/GPIO#53 A_ADC2/GPIO#52 A_ADC1/GPIO#51 A_ADC0/GPIO#50 LS_ADC_VDD PWM0#48/GPIO#48 GPIO#47 GPIO#46 GPIO#45 GPIO#44 IICSDA#43/GPIO#43 IICSCL#42/GPIO#42 GPIO#41/TCON5#41 RESERVED#40 GPI#39 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 1 R363 2 AHS0 0R2J-2-GP V33SDRAM EESCL EESDA KEY_ADC1 KEY_ADC2 KEY_POWER ATTN AMBER GREEN WP_PRO PANELVCC_EN 2 V12C DDC_SDA_VGA 3 DDC_SCL_VGA 3 VOLUME 2 DDC_W Pn 3,4 KEY_ADC1 6 KEY_ADC2 6 KEY_POWER 6 AUDIO_EN 2 V33P POWER_KEY_EN 6 MUTE 2 USB_EN 6 USB_DET 6 ATTN 6 R385 2 R387 2 1 (NC)100KR2J-1-GP P3P3V 1 (NC)100KR2J-1-GP 1 1 R389 (N C) 100KR2 J- 1-G P R386 (N C) 100KR2 J- 1-G P 2 2 AHS0 DVI_CABLE_DET VGA_CABLE_DET SOG0 3 3 3 3 3 3 3 3 4 GNSRDIORNG33 GGNNGBDDIIGBNN4444 HVSSYYNNCC44 4 DRXCN 4 V33TMDS V12ADC VGA_CABLE_DET DVI_CABLE_DET A B C D E F G 1 2 3 4 5 6 7 8 9 10 11 12 13 PCB No. L9137-1M ACER A211H/A221HQ 75 Go to contents page