X223W LCD Monitor User's Guide
Page 16
NC 2. DDC Clock 18. TMDS Clock+ 12. NC 16. NC 17. TMDS Data0- 6. NC 9. NC 10. TMDS Clock Shield 11. GND(return for +5V hsync.vsync) 4. EN-10 TMDS Data 2/4 Shield 15. NC 20. DDC TMDS Clock- TMDS Data2- 13. DDC Data 19. TMDS Data 1/3 Shield 23. Hot Plug Detect 5. TMDS Data 0/5 Shield 8. TMDS Data1- 21. NC 24. X223W 24-Pin Color Display Signal Cable PIN Meaning PIN Meaning 1. TMDS Data1+ 22. TMDS Data0+ 7. TMDS Data2+ 14. +5V Power 3.
NC 2. DDC Clock 18. TMDS Clock+ 12. NC 16. NC 17. TMDS Data0- 6. NC 9. NC 10. TMDS Clock Shield 11. GND(return for +5V hsync.vsync) 4. EN-10 TMDS Data 2/4 Shield 15. NC 20. DDC TMDS Clock- TMDS Data2- 13. DDC Data 19. TMDS Data 1/3 Shield 23. Hot Plug Detect 5. TMDS Data 0/5 Shield 8. TMDS Data1- 21. NC 24. X223W 24-Pin Color Display Signal Cable PIN Meaning PIN Meaning 1. TMDS Data1+ 22. TMDS Data0+ 7. TMDS Data2+ 14. +5V Power 3.
X223W LCD Service Guide
Page 4
... n. These video signals are analog levels, where 0 V corresponds to black , and 700 mV is the maximum signal amplitude for analoginterface V-Sync 9 RX1- Product Specification (continued) ACER X223W 3 Go to cover page C o n n e c to r P in A ssig n m e n t D SU B P in 1 S ig n a l R e d -V id e o P in 6 2 G re e n -V id e o 7 3 B lu e -V id e o 8 4 NC 9 5 D D C -G N D 10 S ig n a l R ed -G ...19 GND GNDfor no link share 20 NC NC 21 NC NC 22 GND Clock shield 23 RXC+ TMDS clock differentialpair 24 RXCC1 Analog Red C2 Analog Green TMDS clock differentialpair AnalogRed ...
... n. These video signals are analog levels, where 0 V corresponds to black , and 700 mV is the maximum signal amplitude for analoginterface V-Sync 9 RX1- Product Specification (continued) ACER X223W 3 Go to cover page C o n n e c to r P in A ssig n m e n t D SU B P in 1 S ig n a l R e d -V id e o P in 6 2 G re e n -V id e o 7 3 B lu e -V id e o 8 4 NC 9 5 D D C -G N D 10 S ig n a l R ed -G ...19 GND GNDfor no link share 20 NC NC 21 NC NC 22 GND Clock shield 23 RXC+ TMDS clock differentialpair 24 RXCC1 Analog Red C2 Analog Green TMDS clock differentialpair AnalogRed ...
X223W LCD Service Guide
Page 24
Troubleshooting (continued) ACER X223W 23 Go to cover page Is +22V supplied to inverter PWB ? (by the power board) NG OK Failure Point Power board of the input P301 pin3 ...
Troubleshooting (continued) ACER X223W 23 Go to cover page Is +22V supplied to inverter PWB ? (by the power board) NG OK Failure Point Power board of the input P301 pin3 ...
X223W LCD Service Guide
Page 25
... disconnection. Failure Point In the case of video connector. Troubleshooting (continued) Check the R, G, B video signal from computer input on I305 pin18, 20, 23 respectively that their level is short or open . 5) C315 is 0.0 to 0.7Vp-p. Failure Point Printed wire broke between P302 pin1 and I306 pin23. 2)... Video cable is failure. 3) FB303,FB304, R309 is open. 4) R311 is short or open . 24 ACER X223W Go to P304 from I305? Process "Checking the resolution change IC movement" section. NG OK Check the R, G, B input video signals on ...
... disconnection. Failure Point In the case of video connector. Troubleshooting (continued) Check the R, G, B video signal from computer input on I305 pin18, 20, 23 respectively that their level is short or open . 5) C315 is 0.0 to 0.7Vp-p. Failure Point Printed wire broke between P302 pin1 and I306 pin23. 2)... Video cable is failure. 3) FB303,FB304, R309 is open. 4) R311 is short or open . 24 ACER X223W Go to P304 from I305? Process "Checking the resolution change IC movement" section. NG OK Check the R, G, B input video signals on ...
X223W LCD Service Guide
Page 37
... LVB3P LVA0M LVA0P LVA1M LVA1P LVA2M LVA2P LVACKM LVACKP LVA3M LVA3P VLCD VLCD 12 13 P304 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CVILUX-CF25302D0R0 FOR THE DOWN SIDE A B C D E F G LED_A LED_G ADC2_IN ADC1_IN LED_A LED_G... 0.498V 0.498V C386 0.1UF C388 0.1UF C389 0.1UF C390 0.1UF 1 2 3 4 5 6 7 8 9 LED_Blue LED_Amber KEY_ADC2 KEY_ADC1 P306 1 2 3 4 5 6 JWT-A2001WV2-06 10 11 12 13 PCB No. 6832190100P01 D E F G ACER X223W 36 Go to cover page
... LVB3P LVA0M LVA0P LVA1M LVA1P LVA2M LVA2P LVACKM LVACKP LVA3M LVA3P VLCD VLCD 12 13 P304 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CVILUX-CF25302D0R0 FOR THE DOWN SIDE A B C D E F G LED_A LED_G ADC2_IN ADC1_IN LED_A LED_G... 0.498V 0.498V C386 0.1UF C388 0.1UF C389 0.1UF C390 0.1UF 1 2 3 4 5 6 7 8 9 LED_Blue LED_Amber KEY_ADC2 KEY_ADC1 P306 1 2 3 4 5 6 JWT-A2001WV2-06 10 11 12 13 PCB No. 6832190100P01 D E F G ACER X223W 36 Go to cover page