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VX9100
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved
Only for training and service purposes
Checking Flow
Checking Flow
START
The charging adaptor (TA) or USB cable(USB port
of computer) is out of order.
YES
NO
YES
NO
NO
YES
Charging Connector CON603
Well-soldered?
Re-soldering CON603
VCHAR (D602) =5V?
USB_DECT(C646)
If connect USB Cable, 2.6V
If connect TA, 0V ?
Replace Q602
Battery Change
Does it work properly
YES
The battery may have the problem
Check VBATT Voltage >3.4V
NO
Replace PMIC (U401)
NO
download software
try again
Does it work properly
The battery may have the problem
NO
YES
Charging will operate properly
YES
Содержание VX9100 Maroon
Страница 135: ...1 VX9100 Assembly Disassembly Diagram ...
Страница 136: ......
Страница 137: ......
Страница 138: ...2 VX9100 Block Circuit Diagram Main Key Pad FPCB ...
Страница 139: ...Block Diagram ...
Страница 141: ...Circuit Diagram Main Key Pad ...
Страница 142: ...Main Board Circuit ...
Страница 149: ...Keypad Circuit ...
Страница 151: ...3 VX9100 Part List Main Key Pad FPCB ...
Страница 161: ...4 VX9100 Component Layout ...
Страница 164: ...5 VX9100 BGA Pin Map ...
Страница 165: ...BOTTOM VIEW Unit mm USED NOT USED 1 MSM6550A U202 A1 Index Mark ...
Страница 166: ...2 HYC0SGH0MF3P 6S60E U300 Unit mm A1 Index Mark USED NOT USED BOTTOM VIEW All Pins assigned to Logic Signal and GND ...
Страница 167: ...3 MAX9775EBX T U301 TOP VIEW USED NOT USED ...
Страница 168: ...4 LP3922 U401 USED NOT USED BOTTOM VIEW ...
Страница 169: ...5 BD6085GUL U500 USED NOT USED BOTTOM VIEW ...