Acer A221HQV Acer A221HQV LCD Monitor Service Guide - Page 67

8.3.1.2 ACER_LCD_A211H/A221HQ(1A1D1H)_SCHEMATICS_INTERFACE_BD_POWER: 1 2 3 4 5 6 7 8 9 10 11 12 13 +5V R477 NC/4K7_5% R0402 P5V I304 TO263 P3P3V A P301 for USB model add R478 R478 NC/0K_5% USB_EN P5V P5V 3 VIN 2 VOUT P3P3V A 1 VSS STANDBY 1 2 BKLT_EN 3 BKLT_ADJ 4 +5V +5V 5 6 +5V 7 GND 8 GND BACKLIGHT_EN BACKLIGHT_ADJ R0402 +5V FB302 D347 USB_EN PBY201209T-170Y-S BEAD0805 NC/DFLS240L Power-DI123 C301 0.1uF_16V CM0402 P5V + C302 100uF_16V EC25-63 AP1084K33L TO-263-GOI TAB 4 + C306 100uF_16V EC25-63 C308 0.1uF_16V CM0402 MUTE MUTE 9 10 VOLUME 11 VOLUME AUDIO_EN Volume B AUDIO_EN 12 GND C304 B 0.1uF_16V JWT-A2001WV2-12 CM0402 FB318 NC/PBY201209T-170Y-S BEAD0805 CN20-12 D346 S1A SMA P1P2V P5V I305 TO252 R301 NC/4K7_5% C R0402 R497 0_5% R302 4K7_5% R0402 BACKLIGHT_ADJ 3 VI VO 2 P1P2V 1 GND C397 + C311 C 0.1uF_16V C310 0.1uF_16V CM0402 100uF_16V CM0402 EC25-63 3 C385 NC/0.1uF_16V CM0402 1 R0402 2 Q315 NC/MMBT3904 SM-NPN Adj_BACKLIGHT AP1122DG TO-252-GOI 44 4 3 2 1 D E F G MUTE R402 0_5% R0402 C386 0.1uF_16V CM0402 AUDIO_EN R403 0_5% R0402 C387 0.1uF_16V CM0402 BACKLIGHT_EN R304 4K7_5% R0402 Audio_MUTE AUDIO_EN_MCU on_BACKLIGHT Hole1 Case_GND MH38R75 8 7 6 5 C303 0.1uF_16V CM0402 +5V FB301 PBY201209T-170Y-S BEAD0805 R404 10K_5% R0402 C312 NC/0.1uF_16V CM0402 I301 AO3419 SM-FET 2 3 1 VLCD FB314 C376 0.1uF_16V CM0402 PBY201209T-170Y-S BEAD0805 C377 0.1uF_16V CM0402 VLCD Hole2 Case_GND MH38R75 8 7 6 5 4 3 2 1 D E F G on_Panel 1 2 3 4 5 6 7 8 9 10 11 12 13 PCB No. L9141-1 ACER A211H/A221HQ 65 Go to contents page