Samsung PCJ522R Service Manual - Page 61
No Sound - troubleshooting
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Troubleshooting 5-2 No Sound Check if CN601 is inserted Normal Check IC665 output pins 2,4 Abnormal Check IC665 input pin 3 Normal Check IC665 mute pin 5 Normal Check IC665 output pins 7,11 Abnormal Check IC601 input pins 35, 38 Abnormal Check H006 input pins 15,17 Abnormal Check ICV01 Input pins 49,51 Abnormal Check H003 out Pins 1,2 5-2 Abnormal Insert CN601 (Connector) Normal Check Speaker Abnormal Check F854 on the SUB Board Abnormal Check the mute circuit Normal Check IC665 Normal Check Tone Control Normal Check the 3D Phonic circuit Normal Check ICV01 Samsung Electronics
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5-2
No Sound
Troubleshooting
5-2
Samsung Electronics
Abnormal
Normal
Check IC665 input pin 3
Check Speaker
Normal
Check IC665
output pins 2,4
Check if CN601 is inserted
Check IC665
mute pin 5
Abnormal
Check F854 on
the SUB Board
Normal
Check IC665
output pins 7,11
Abnormal
Check the mute circuit
Normal
Check IC601
input pins 35, 38
Check IC665
Abnormal
Check H006
input pins 15,17
Normal
Check the 3D Phonic
circuit
Abnormal
Check ICV01
Input pins 49,51
Normal
Check ICV01
Abnormal
Abnormal
Insert CN601
(Connector)
Abnormal
Check H003
out Pins 1,2
Normal
Normal
Check Tone Control