Samsung SGH-E330N Service Manual page 39

Speaker
VDD2
C300
R300
MEL_13M
R302
VDD2
VDD2
U300
1 5
NC VCC
2
IN
R301
3 4
GND OUT
M_RST
R303
C304
C303
MELODY IC
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VDD3
32 30 29 27 26
1
CLKI
2
LED
/IRQ
/RST
U301
5
NC
6
PLLC
7
VDD
8
VSS SPOUT2
SPOUT1
9
VREF
10 11 12 13 14 15
C302
C305
R305
R306
R307
C309
R308
7- 13
Flow Chart of Troubleshooting
HRD_N
HA(1)
MELODY_CS
HWR_N
HD(0)
HD(1)
25
HD(2)
D2
24
HD(3)
D3
23
HD(4)
D4
22
HD(5)
D5
21
HD(6)
D6
20
HD(7)
D7
19
MTR VIB
18
AMP_N
17 C301
AMP_P
16
SPVDD
C306 C307
C310
EARP_HF