Samsung Electronics
5-11
Troubleshooting
SPEAKER PART
Speaker does not work
Check
the connection from Speaker to
SPK+ and SPK-?
U307 pin5 (AVCC) = 3.0V?
Is there the
13 MHz clock signal on
the U405 pin 64?
Check the
connection from U405 pin 30, 32
to SPK+ and SPK-
Check the speaker volume level
is appropriate
END
Resolder the connection
from Speaker to SPK+ and SPK-
Check the circuit related to U307
Check the connection from
U408 (kernel) pin 85 to
U405 (vocoder) pin 64
Resolder the U405 pin 30, 32
No
Yes
No
Yes
No
Yes
No
Yes
Summary of Contents for SGH 600
Page 2: ...Samsung Electronics Co Ltd ELECTRONICS ...
Page 6: ...1 4 Samsung Electronics General Description MEMO ...
Page 20: ...3 4 Samsung Electronics Specification MEMO ...
Page 40: ...7 8 Samsung Electronics Electrical Parts List MEMO ...
Page 48: ...8 8 Samsung Electronics Exploded View and its Parts List 8 9 Hands Free Kit Diagram ...
Page 49: ...Samsung Electronics 8 9 Exploded View and its Parts List 8 10 Boost Kit ...
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