Acer A221HQV Acer A221HQV LCD Monitor Service Guide - Page 80

8.3.3.2 ACER_LCD_A211H/A221HQ(1A)_SCHEMATICS_INTERFACE BOARD_POWER: 1 2 3 4 5 6 7 8 9 10 11 12 13 JWT-CON13-GP BKLT_ADJ 13 BACKLIGHT_ADJ P5V BKLT_EN 12 BACKLIGHT_EN +5V 11 +5V 10 P5V P5V 3,4 A +5V 9 GND 8 GND 7 MUTE 6 MUTE_CTRL VOLUME 5 VOLUME_CTRL AUDIO_EN 4 AUDIO_EN_CTRL +5V_RTN 3 P5V STANDBY 2 1 R349 2 0R2J-2-GP STANDBY_ATTN 4,5 GND 1 CN301 B BACKLIGHT_ADJ 1 1 R301 2 100R2J-2-GP (NC)SCD1U16V2ZY-2GP C305 1 R333 (NC)100KR2J-1-GP BKLT_ADJ 4 2 2 BACKLIGHT_EN 1 R302 2 (NC)100R2J-2-GP BKLT_EN 4 1 1 C (NC)SCD1U16V2ZY-2GP C306 R303 (NC)100KR2J-1-GP 2 2 P5V 1 2 R304 D 4K7R2J-2-GP R360 10KR2J-3-GP MUTE_CTRL 1 32 Q304 1 MMBT3904-7-F-GP 1 R306 2 100R2J-2-GP MUTE 4 2 E P5V UZ1084-G-3D3V-TN3-R-GP P5V I301 3 2 1 VIN VOUT ADJ/GND A 1 1 C301 E100U16VM-58-GP C302 SCD1U16V2ZY-2GP P3P3V 2 2 P3P3V 4,5 1 C303 E100U16VM-57-GP-U B 2 (NC)PMBT2907A-1GP Q301 E E B B KTC8550S-GP Q302 C C P1P2V C 4 VCTRL D301 A K S1A-F-GP P1P2V 4 1 C307 E100U16VM-57-GP-U 2 D P5V L302 1 2 I302 AO3419L-GP S D L303 1 2 VLCD VLCD 5 1 PBY201209T-300Y-N-GP PBY201209T-300Y-N-GP 1 1 1 1 C308 R305 C309 C310 C311 G E100U16VM-58-GP 10KR2J-3-GP 100KR2J-1-GP SCD1U16V2ZY-2GP SCD1U16V2ZY-2GP SCD1U16V2ZY-2GP 2 R307 2 2 2 E 2 1 2 1 3 R308 R309 AUDIO_EN_CTRL 2 4K7R2J-2-GP 1 R310 2 100R2J-2-GP AUDIO_EN 4 4 PANELVCC_EN 1 R338 1 21 4K7R2J-2-GP 2 Q303 MMBT3904-7-F-GP F 100KR2J-1-GP F P5V 2 GEN246R158-8-F-A 1 R311 M301 2 3 4K7R2J-2-GP 2 4 1 VOLUME_CTRL 1 R312 2 10KR2J-3-GP VOLUME 4 5 8 G 1 G C312 SC1U16V3KX-5GP 7 6 2 1 2 3 4 5 6 7 8 9 10 11 12 13 PCB No. L9142-1M ACER A211H/A221HQ 78 Go to contents page