START
Check CON406 pin3
(MSMP)= 2.6V ?
Check & replace QSC6010 circuit
No
Yes
Checking Flow : LCD
NG
OK
Re-soldering or Replace
R405~R477
No
Does R405~R477
(LCD connection)
Work Properly?
Change the Main Board
Yes
Check the
Control signal
D[0:15], LCD_RESET/,
LCD_ID, LCD_CS/
,LCD_LIGHT
Check the
CON406 Soldering
No
Re-Solder or change CON406
Change the LCD Module
Yes
Check LCD fpcb connection
Re-connect LCD fpcb
NG
OK
Содержание RD3500
Страница 2: ...CDMA MOBILE SUBSCRIBER UNIT LG KD3500 SINGLE BAND CDMA MOBILE PHONE SERVICE MANUAL ...
Страница 24: ...LG KD3500 LGE LG Electronics Inc 22 21 1 U201 QSC6010 CHAPTER 4 BGA IC Pin Check ...
Страница 25: ...LG KD3500 LGE LG Electronics Inc 23 21 2 U310 Memory ...
Страница 28: ...Circuit Diagram DP101 DP101 ...
Страница 36: ...4 3 2 Charging Trouble Test Points Circuit Diagram CON409 CON409 pin1 ...
Страница 47: ...4 3 10 LCD Trouble Test Points Circuit Diagram C O N 3 0 4 CON304 pin3 ...
Страница 50: ...CON302 Test Points Circuit Diagram 4 3 11 UIM Trouble R375 R378 R361 R376 ...
Страница 52: ...Test Points 4 3 12 FM Radio Trouble Circuit Diagram X 1 0 1 Pin1 Q102 Pin4 R307 R332 U103 Pin8 ...
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