JHT01 Service Manual
4-2
2.1
JHT01 Adapter Description
This specification defines the performance and characteristic of 65W AC adapter
power supply. It supplies a constant voltage 19V output source for JHT01 series
notebook computer.
2.2 Feature
•
Accepts universal input from 90V AC to 264V AC
•
Offers constant Voltage 19V output source with 90W max output power
capacity.
•
High efficiency 83% min at 100Vac
•
Compact Size
2.3 Adapter
Electrical
Specification
•
Input Voltage range: universal input, 100VAC to 264VAC
•
Inrush current: 220A max peak at 240Vac and No damage
•
Input frequency range: 47~63Hz
•
Input Current: 1.7Amax at 100 VAC
•
Start-up time:
≤
5sec Max. @115V and 230 Vac, full load
•
HOLD-UP time: >5ms@115VAC
,
full load condition
•
OVP: 29V max. Automatic shut down
•
Short circuit protection: Output can be shorted without damage, and auto
recovery.
•
OUTPUT Voltage Regulation: 18.5-20V including the effects of line Voltage
variation, load current, ripple and noise
•
OUTPUT Current: Current: 0Amin, 3.42Amax continuous
•
OUTPUT Voltage ripple: 380mv PK-PK for resistor load.
•
OUTPUT Voltage Dynamic regulation: Output voltage within 18.5-20V, load
current 10%
←→
100%, frequency 100Hz, 50% duty cycle, recover
time
≤
1msec.
•
DC OUTPUT PIN OUT:
PIN1
Center Pin Aoutput
PIN2
Barrel (Ring) Adapter returns.
•
Temperature Range:
Operating temperature: 0 °C to 40 °C
Storage temperature:
-20 °C to 65 °C
Содержание JHT01
Страница 1: ...Service Manual JHT01...
Страница 2: ......
Страница 3: ...Chapter 1 System Description Specification...
Страница 4: ......
Страница 6: ......
Страница 12: ......
Страница 13: ...Chapter 2 Software Specification...
Страница 14: ......
Страница 60: ......
Страница 61: ...Chapter 3 Hardware...
Страница 62: ......
Страница 63: ...Contents Chapter 3 Hardware 1 Top View 3 1 2 Bottom View 3 2...
Страница 64: ......
Страница 67: ...Chapter 4 DC DC Converter...
Страница 68: ......
Страница 70: ......
Страница 88: ......
Страница 89: ...Chapter 5 Disassembly Guide...
Страница 90: ......
Страница 92: ......
Страница 98: ...JHT01 Service Manual 5 6 4 Grasp the module and pull it out...
Страница 100: ...JHT01 Service Manual 5 8 4 Remove two screws from the bracket plate and then remove the bracket plate...
Страница 106: ...JHT01 Service Manual 5 14 3 Disconnect two screws and remove from the Modem card 4 Remove the Modem card...
Страница 113: ...JHT01 Service Manual 5 21 3 Remove the LCD module...
Страница 117: ...JHT01 Service Manual 5 25 7 Detach the LVDS cable from the back of the LCD panel...
Страница 120: ...JHT01 Service Manual 5 28 3 Lift off the logic upper...
Страница 125: ...Chapter 6 Testing and Troubleshooting...
Страница 126: ......