Samsung SGH-E800 Service Manual page 36

Flow Chart of Troubleshooting
VDD3
C307
100P F
MELODY_CLK
VDD3
M_IR Q
LINE_OUT
2S2
GND
3S1
D3
SPK_N
VDD3
VDD3
U303
R321
1 5
NC VCC
51 K
2
IN
R32 2
33 0
R32 3 3 4
GN D OU T
51 K
TC7SH04FU-TE85L
R324 22K,1%
C30 8
100NF
R326
3.3K
C312
C313 C314
100N F
1N F
100N F
C319
22NF
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GND
D1
U202
1S1
STG3699
V+
4S2
R214 1K
VDD3
CLKI D2
LED D3
/IR Q D4
U304
/RST D5
YMU765
NC D6
PLLC D7
VD D MT R
VS S SPOUT2
VRE F SPOUT1
C315
47N F
R327 R328 C318
4.7K,1% 33K 1.2N F
R32 9
15K,1%
7-12
REC_N
REC_P
AMP_N
AUDIO_SW1
SPVDD
AMP_P
SPK_P
C231
100NF
AUDIO_SW2
HRD_ N
HA(1 )
MELODY_C S
HWR_ N
HD(0)
HD(1)
HD(2)
HD(3)
HD(4)
HD(5)
HD(6)
HD(7)
VI B
AMP_ N
C309
27PF
AMP_ P
VBAT
C316 C317
33UF 100NF
6.3V