Dell UltraSharp 2208WFP, Service Manual

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Service Manual
17
Power supply for panel+5V V
DD
90% 90%
10%
0V 10%
T1 T2
T5 T6 T7
Signals Valid data
(Digital RGB, HS, VS, DE, CLOCK)
0V
T3 T4
Power supply for backlight
T1(ms) T2 (ms) T3 (ms) T4 (ms) T5 (ms) T6 (ms) T7(ms)
SPEC(CMO)
0.5 ~10 0.0~50 ≥ 450 ≥ 90 0.0~50 NA >500
5. D-SUB Connector Pin Assignment
6. AC Outlet Pin Assignment
Pin Symbol
1 Line
2 GND
3 Neutral
7. Inner Connector Pin Assignment
7.1 CN103 (Connect M/B to Panel,)
Pin Symbol Description
1 Panel_Vcc Panel power supply (typ.5.0V)
2 Panel_Vcc Panel power supply (typ. 5.0V)
3 Panel_Vcc Panel power supply (typ. 5.0V)
4 NC
5 NC
6 NC
Pin Symbol Pin Symbol Pin Symbol
1 Red 6 Red_GND 11 GND
2 Green 7 Green_GND 12 DDC_SDA
3 Blue 8 Blue_GND 13 Hsync
4 GND 9 PC+5V 14 Vsync
5 Cable Detect 10 GND 15 DDC_SCL