Speaker Part - Samsung SGH-E600 Service Manual

6. Speaker Part

Speaker does not work
Check the connection
status spk to CN200
YES
Check the
pin8 of U400 = 'High'
YES
Check U700, R200, R201
YES
Is speaker ok?
YES
END
VCCD
U1104
100NF
R401
AOUTAN
SPK1 N
YMU_SPK1 N
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SGH-E600/E608 Flow Chart of Troubleshooting and Circuit Diagrams
NO
NO
NO
NO
U400
1 V+
2 NO1
12
3
COM 1
4 IN 1
5 NC1
G G
11 12 13
Resolder and check the board
10
R400
NO2
COM 2 9
8
IN 2
7
NC2
GND 6
GG
14
2-7
to board connector
Check U700
Change or resolder
U700, R200, R201
Change Speaker
12
AOUTAP
SPK1P
AUDIO_OUT_SE L
YMU_SPK1 P