Hitachi CML170SXW, Service Manual

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14
6. AC Adapter(LSE9901B1260)
A-1 Quick specification review
•
Input voltage
Single phase, 50/60HZ, 100VAC to 240VAC
±
10%
•
Input current
1.5A (max), at 90VAC input and full load 0.75A (max), at 264 VAC input and full
load.
•
Inrush current @ cold start
30A(0-peak)@ 110Vac ,50A(0-peak) @ 220Vac
•
Output
Tolerance Output Current
Output Volt - MIN MAX
Volt Tolerance
+12Vdc ± 5% 0A 5A 11.4~12.6Vdc
•
Total output power: 60 Watt max.
•
Efficiency
80% min. @115V/230VAC, maximum load.
•
Dimension: 110Lx63Wx31H
7. CIRCUIT DESCRPTION
A. Display-Controller
The U12 is image processor. The functions of the CHIP support as below:
1. Hight quality image scalar
2. On-Chip 16 bit Microprocessor
3. On screen display
4. Automatic image optimizer
B. Circuit of Plug and Play
Plug and play allows the serial communication of host PC and peripherals offering minimal
configurations to end users. This monitor supports DDC2B communication protocal.
C. System Clock
The U15(130MHz)&U16(96 MHz) support U12 reference clock.
D. Power Regulator
1. The U1 (AMC7585) & U3(AME 8800)are linear requlator that transfer input voltage from
5V to 3.3V.
2. The U2 (AMC317T) is linear requlator that transfer input voltage from 5V to 2.5V.