Samsung SGH-X620 Service Manual page 39

Speaker
VDD3
C505 1
R510
2
MEL_13M
3
R511
MELODY_RESET
R515
C513
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VDD3
VDD3
C510
U512
5
NC VCC
IN
4
GND OUT
R512
M_INT
C509 C511
C512
C508
VDD3
32 30 29 27 26
1 25
CLKI D2
24
2
LED D3
23
/IRQ D4
22
/RST U502 D5
21
5
NC D6
20
6
PLLC D7
19
7
VDD MTR
18
8
VSS SPOUT2
17
9 SPOUT1
VREF
10 11 12 13 14 15 16
C516
C518
R517
R518 C519
R519
MELODY IC
7- 13
Flow Chart of Troubleshooting
HRD_N
HA(1)
MELODY_CS
HWR_N
HD(0)
HD(1)
HD(2)
HD(3)
HD(4)
HD(5)
HD(6)
HD(7)
VIB
AMP_N
C507
AMP_P
C514 C515
VBAT
C517
C520
LINE_OUT