AL2016W Service Guide
Page 3
... ...11 CHAPTER 5- TEST AND ADJUSTMENT ...12 1. DISPLAY CHECK...16 5. AL2016W BACKLIGHT CAN'T BE TURNED ON(INL INVERTER 24 6. NO POWER & LED OFF ...20 2. 18VDC OUTPUT VOLTAGE IS UNSTABLE ...21 3. 5VDC OUTPUT POWER IS UNSTABLE...22 4. 5VDC OUTPUT POWER IS UNSTABLE...23 5. Acer Service Manual Table of Contents CHAPTER 1- FUNCTIONAL BLOCK DIAGRAM ERROR! TROUBLESHOOTING LIST...
... ...11 CHAPTER 5- TEST AND ADJUSTMENT ...12 1. DISPLAY CHECK...16 5. AL2016W BACKLIGHT CAN'T BE TURNED ON(INL INVERTER 24 6. NO POWER & LED OFF ...20 2. 18VDC OUTPUT VOLTAGE IS UNSTABLE ...21 3. 5VDC OUTPUT POWER IS UNSTABLE...22 4. 5VDC OUTPUT POWER IS UNSTABLE...23 5. Acer Service Manual Table of Contents CHAPTER 1- FUNCTIONAL BLOCK DIAGRAM ERROR! TROUBLESHOOTING LIST...
AL2016W Service Guide
Page 25
... ok NO Yes NO IC501 fail, change IC501 NO Change U 501, U 502, U 503, U 504 NO Change Q 501, Q 502 Service Manual Change R509, R511, C 519 Check I/F board Change R501, R508, C 515 Check I/F board 24 Acer 5. AL2016W backlight can't be turned on pin13 of IC501? Y es NO Check pow er board Is there 14V voltage on...
... ok NO Yes NO IC501 fail, change IC501 NO Change U 501, U 502, U 503, U 504 NO Change Q 501, Q 502 Service Manual Change R509, R511, C 519 Check I/F board Change R501, R508, C 515 Check I/F board 24 Acer 5. AL2016W backlight can't be turned on pin13 of IC501? Y es NO Check pow er board Is there 14V voltage on...