Speaker Part - Samsung SGH-A800 Service Manual
Dual band mobile cellular phone
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Also See for SGH-A800:
- Owner's manual (82 pages) ,
- Quick reference card (2 pages) ,
- Service manual (55 pages)
Table of Contents
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5-6 Speaker Part
Check for the clock signal at R608
5-11
Speaker does not work
Yes
Yes
U301 pin 17,18 =1.8V?
Yes
U230 pin 4,8="H"?
Yes
CN200 PIN 18,20=1.8V?
Yes
Check the SPK pins
Yes
Is Speaker working?
Yes
END
No
Check the clock generation circuit
(related to U502 and U601)
and resolder R608
No
Resolder U301
No
Replace the PBA
No
Resolder U230
No
Modify the SPK pins
No
Change the Speaker
Flow chart of Troubleshooting and Circuit Diagram
- Quick Links:
- Power on
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