Prestigio Signore 153, Техническое и сервисное руководство

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NOTE: DC-AC inverter is used to generate very high AC voltage, then support to LCD CCFT backlight user,
and is also responsible for the control of LCD brightness. Avoid touching the DC-AC inverter area while
the system unit is turned on.
NOTE: There is an EEPROM in the inverter, which stores its supported LCD type and ID code. If you replace
a new inverter or replace the LCD with a different brand, use Inverter ID utility to update the ID
information.
Battery
Item Specification
Vendor & model name Sony LIPX048 SMP
Battery Type Li-Ion
Pack capacity
44
00 mAH
60
00 mAH
Number of battery cell 12 12
Package voltage 14.8 V 14.8V
DC-AC LCD Inverter
Item Specification
Vendor & model name Ambit T62I194.12
Input Characteristics
Input voltage (VDC) 6.5 ~21V
Input current (ADC) 1A( M ax)
Input power (W) 4.9W (M ax)
On/Off control (Input voltage) (VDC) -0.3~0.8V (Min.)
Brightness_1 (PWM control) 3.3V(Typ)
Brightness_2 (VDC) 0~3.0V
Output Characteristics
Output Current (mA) 0~1.2mA
0.6mA(Typ)
Output Current (mA) 5.5~6.5mA
6.0mA(Typ)
Frequency (KHz) 40(Min.)
Kickoff voltage (VACrms) 1500(Min.)
Burst mode frequency (Hz) 260 ~290
Efficiency (%) 80(Min.)
Item
Vendor & model name Sumida TWS-458-031
Input Characteristics
Input voltage (VDC) 14.4V(Typ.)
Input current (ADC) 135mA(Max) (VADJ=1.6V)
390mA(Max) (VADJ=3.3V)
Output Characteristics
TECHNICAL SERVICE MANUAL Prestigio Signore 153
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