1-40Service Guide1.6.26 DC-AC InverterDC-AC inverter is used to generate very high AC voltage, then supply to LCD CCFT backlight use.The DC-AC inverter area should be void to touch while the system unit is turned on.Table 1-37 DC-AC Inverter SpecificationsItem SpecificationVendor & Model Name Ambit T62-055.C.00 Ambit T62-088.C.00Used LCD type IBM ITSV50D (12.1” TFT) LG LP133X1 (13.3” TFT)Input voltage (V) 7 ~ 19 7 ~ 19Output voltage (Vrms, with load) 650 (typ.) 650 (typ.)Output current (mArms, with load) 2 ~ 5 2.5 ~ 51.6.27 AC AdapterTable 1-38 AC Adapter SpecificationsItem SpecificationVendor & Model Name ADP-45GB-C1Input RequirementsNominal voltages (V) 90 - 264 Vac, single phaseNominal frequency (Hz) 47 -63Inrush current (A) (cold start) 50 (@115Vac), 100 (@230Vac)Efficiency 84% (min., 115Vac) full loadOutput RatingsOutput voltage (V) +18Noise + Ripple (mV) 300 mVp-pLoad (A) 0 (min.), 2.5 (max.)Dynamic Output CharacteristicsTurn-on delay time 2 sec (max., @ 115 Vac)Hold up time 5 ms (min., @ 115 Vac input) full loadShort circuit protection Output can be shorted without damage (auto recovery)Dielectric Withstand VoltagePrimary to secondary 3000 Vac (10mA for 1 second or 4242Vdc 10mA for 1 second)Leakage current .25mA (max. @254Vac 60Hz)Regulatory Requirements1. CISPR 55022 and CISPR55014, class B (@230Vac and 115Vac) requirements. [Scandinavia]2. FCC 47 CFR Part15, class B (115Vac) with 6db of margin. [USA]
