Acer A221HQV Acer A221HQV LCD Monitor Service Guide - Page 74

8.3.2.2 ACER_LCD_A211H/A221HQ(1A1D)_SCHEMATICS_INTERFACE BOARD_POWER: 1 2 3 4 5 6 7 CN301 BKLT_ADJ 13 BACKLIGHT_ADJ P5V BKLT_EN 12 BACKLIGHT_EN +5V 11 P5V +5V 10 P5V 3,4,5,6 +5V 9 A GND 8 GND 7 MUTE 6 MUTE_CTRL VOLUME 5 VOLUME_CTRL AUDIO_EN 4 +5V_RTN 3 AUDIO_EN_CTRL P5V STANDBY 2 STANDBY_CTRL 5 GND 1 JWT-CON13-GP B BACKLIGHT_ADJ 1 R301 2 100R2J-2-GP BKLT_ADJ 5 1 1 C305 (NC)SCD1U16V2ZY-2GP R361 (NC)100KR2J-1-GP 2 2 BACKLIGHT_EN 1 R302 2 (NC)100R2J-2-GP BKLT_EN 5 1 C 1 C309 R303 (NC)SCD1U16V2ZY-2GP (NC)100KR2J-1-GP 2 2 P5V 8 9 10 11 12 13 I301 UZ1084-G-3D3V-TN3-R-GP P5V 3 2 1 VIN VOUT ADJ/GND A 2 2 C301 E100U16VM-58-GP 1 1 C302 SCD1U16V2ZY-2GP P3P3V P3P3V 5,6 1 2 C304 E100U16VM-57-GP-U B L313 1 2 (NC)PBY201209T-300Y-N-GP D313 K A S1A-F-GP 1 C307 SCD1U16V2KX-3GP I302 2 LD1117AG-12-AA3-A-R-GP VIN VOUT GND 3 2 1 P1P2V P1P2V 5 C 1 1 C310 C308 SCD1U16V2ZY-2GP E100U16VM-57-GP-U 2 2 1 2 D R304 D 4K7R2J-2-GP R360 1 32 MUTE_CTRL 10KR2J-3-GP I303 VLCD P5V AO3419L-GP L301 L302 Q302 1 1 R306 2 100R2J-2-GP MUTE 5 1 2 PBY201209T-300Y-N-GP 1 S D 1 2 PBY201209T-300Y-N-GP VLCD 6 1 1 1 1 2 MMBT3904-7-F-GP C311 R305 10KR2J-3-GP 100KR2J-1-GP C312 SCD1U16V2ZY-2GP G C313 SCD1U16V2ZY-2GP C314 SCD1U16V2ZY-2GP E E100U16VM-58-GP 2 R307 2 2 2 2 E 1 2 P5V 3 1 R308 4K7R2J-2-GP 5 PANELVCC_EN R309 1 21 4K7R2J-2-GP Q301 MMBT3904-7-F-GP 2 1 R390 2 F AUDIO_EN_CTRL 1 R310 2 100R2J-2-GP AUDIO_EN 5 100KR2J-1-GP F 2 GEN246R158-8-F-A P5V M301 1 2 3 R311 4K7R2J-2-GP 4 1 2 5 8 G VOLUME_CTRL 1 R312 2 10KR2J-3-GP VOLUME 5 G 7 6 1 C315 SCD1U16V2ZY-2GP 2 1 2 3 4 5 6 7 8 9 10 11 12 13 PCB No. L9137-1M ACER A211H/A221HQ 72 Go to contents page