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Flow Chart of Troubleshooting
2-21
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3) Melody is not O.K.
There is no sound from Speaker
YES
NO
Is the terminal of Speaker O.K?
Replace the Speaker.
Check UCP200
Chec the DATA signal #28,
NO
YES
NO
Are there any signal at the
pin #17, #18 of UCD400
Check UCD400
YES
NO
Are there any signal at the
R432, R433
Check U400
YES
Replace or Resoldering
L401, L402
NO
Are there any signal at the
L401, L402.
YES
END
YES
Replace or Resoldering
U405
NO
Are there any signal at the
pin #3, #9 of U405
NO
Are there any signal at the
pin #12, #9 of U403
Check U403
YES
본 페이지 편집 불가능 합니다!
편집 가능하도록 해주세요.