Samsung HG32ED590HB, Руководство по обслуживанию

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4-2-5. No Sound (Speaker)
Symptom
Video is normal but there is no sound. •
Major
checkpoints
When the speaker connectors are disconnected or damaged. •
When the sound processing part of the Main Board is not functioning. •
Speaker defect. •
Diagnostics
Check the source and check the
connection of sound cable ?
No Input the sound source properly.
Yes
Check the signal at input of Main Board?
HDMI
No
Check CN501, CN502.
Change the Main Ass’y.
Yes
1
Check the DATA between the Audio IC’s ?
Pin #45 of IC402 : B clk
-
Pin #4 of IC402 : LR clk
-
Pin #6, #7 of IC402 : I2C_SDA/SCL
-
No
Check IC402.
Change the Main Ass’y.
Yes
2
Check the Speaker sound data at ?
CN402
No Change the Main Ass’y.
Yes
Replace speaker ? No Please, Contact Tech support.
Caution Make sure to disconnect the power before working on the IP Board.
4-14
4. Troubleshooting