Lcd Display Part - Samsung SGH-T519 Service Manual
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Also See for SGH-T519:
- User manual (210 pages) ,
- Guía del usuario (141 pages) ,
- User manual (46 pages)
Table of Contents
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Flow Chart of Troubleshooting
10-1-4. LCD Display part
LCD display is abnormal
Check LCD connection
and replace LCD
LCD Backlight is on?
YES
C338, C340 is 2.9V?
YES
pin#4 of ZD304
is LOW?
YES
Are there anysignal
at pin#6 of ZD304?
YES
IS there any
problem at F301,
F302, F303, F304
NO
Check U400
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NO
NO
NO
NO
YES
SAMSUNG Proprietary-Contents may change without notice
pin#14 of HDC302
is high?
NO
pin#7 of U404
is high?
NO
C218 > 3.5V?
YES
pin#6 of U404
is high?
YES
②
CHeck U404
Check UCD301
③
Check U400
④
Replace or resolve
F301, F302, F303, F304
10-8
Check LCD
YES
Check HDC302
YES
①
Check C218
NO
Recharge Bat.
NO
Check UCP201
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