Alert Tone - Samsung SGH-E600 Service Manual

8.Alert Tone

Abnormal Alert tone
Alert tone On by pushing the key
*#0289#
Check the PIN 17, 26 of
CN200
Is there alert wave?
YES
Check the connection
from CN200 to LCD
Module
YES
Alert is ok?
YES
END
D(1)
D(0)
CP_WEN
YMU_EN
A(0 )
CP_OEN
CLK13M_YMU
YMU_LED
YMU_IR Q
RST
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
SGH-E600/E608 Flow Chart of Troubleshooting and Circuit Diagrams
NO
NO
NO
25 24 23 22 21 20 19 18
26
D1
27
D0
28
/W R
29
U40 1
/C S
30
A0
31
/RD
32
HPOUT-L/MONO
IOVDD
1 2 3 4 5 6 7 8
2-9
Check the circuit related to
17
16
15
SPVD D
14
R40 2
100 K
EQ 3
13
U1107
EQ 2
270PF
12
C404
EQ 1
22N F
R404
11
33K
HPOUT- R
10
U110 9 4.7NF
9
C407
100N F
VCCD
U401,R200,R201
Change Speaker
Change LCD Module
VBA T
R403
33 K
C40 2
U1106
4.7UF
100N F
6.3V
R405
56 K