Camera Part - Samsung SGH-T519 Service Manual

Flow Chart of Troubleshooting

10-1-8. Camera part

Camera function does not work
Is the connect HDC301 ok?
YES
C452 IS HIGH?
YES
Pin #3 of Q400 = 1.5V?
YES
Pin #3 of Q403 = 2.8V?
YES
Pin#3 of OSC401 is 24MHz?
YES
Is that clock signal at the
pin #23 of HDC301?
YES
Pin#24 of HDC301 is High?
END
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①
Connect the HDC301
②
Check U400
Pin #1 of Q400 IS HIGH?
NO
Check Bat.
Pin #1 of Q403 = High?
⑤
Replace OSC401
and check U400
⑥
Check
U400
10-18
③
Check
YES
Q400
④
NO
Check
Q401
Check Bat.