Samsung SGH-2400, Service Manual, Page: 33 / 41

5-9 Schematic Diagrams
5-9 Vocoder
02-787B2-53BKA
(0603)
(NICHICON-A)
(0603)
FDG6301N
D
G
S
AVCC
AVCC
Q950-1
AVCC
47uF C953
0 R986
15pF
C968
NC
R990
+3VBB
R980
AVCC
TP401
100K
6
IN6
R963 10K
AUDIO-JACK
J901
1
IN1 IN2
2 3
IN3 IN4
4 5
IN5
R953 330
C970 15pF
2
D819
VC060305A150
C962
NC
TP406
M950
VIBRATOR
1
C957
C973 100nF
47nF
15pF
10nF
C979
C993
C990 100nF
AVCC
R950
330
+3VBB
C971 100nF
15pF
C959
C950 22nF
C961
D901
100nF
C996
+3VBB
STARTUP_VOLTS
DA221
MAX4544EUT-T
U962
5
COM
3
GND
1
IN
4
NC
6
NO
2
V+
9pF
16K_1%
D902 DA221
R979
R985
10K
0 R968
9pF C954
R952 10K
C967
+VBATT
15pF
1nF
24
VREFN
VREFP
23
4
VSSI-1
47
VSSI-2
10
VSSO-1
17
VSSO-2
41
VSSO-3
63
VSS_PLL
21
VXI1N
22
VXI1P
19
VXI2N
20
VXI2P
WRN
78
C958
61
RXDATA
60
RXRDY
SDI1
40
42
SDI2
43
SDI3
45
SDI4
SP
12
55
TXCLK
56
TXDATA
54
TXRDY
5
VDDI-1
15
VDDI-2
48
VDDI-3
11
VDDO-1
16
VDDO-2
69
VDD_PLL
H13M
64
INT1
65
INT2
66
26
MICREFN
27
MICREFP
71
MP NRST
62
44
PCMIN
46
PCMOUT
PCMRDY
68
32
PWO1N
30
PWO1P
33
PWO2N
34
PWO2P
79
RDN
59
RXCLK
31
AVSUB
28
AVS_AMP
57
AVS_PLL
14
BFI
77
CSN
37
DAI1 DAI2
38 39
DAICLK DAIRST
25
13
GPI05
53
GPIO0 GPIO1
52
GPIO2
51 50
GPIO3 GPIO4
49
GSMRDY
67
A3
75
A4
76
A5
70
AD0
80
1
AD1
2
AD2
3
AD3
6
AD4
7
AD5
8
AD6
9
AD7
ALERTER
36
29 AVD
35 AVD_AMP
58
AVD_PLL
18
AVS
VOCODER
U950
A0
72
A1
73
A2
74
R984 10K
NC
NC
C963
R989
SMF05
D820
1
2
345
AVCC
C974
U960-A
TC75W56FU
TC75W56FU
U960-B
100nF
+3VBB
AVCC
C997
9pF
C972 100nF
Q951
2SD2114KT146
+3VBB
R978
TP952
1nF
220
15pF
C966
FDG6301N
Q957-1
D
G
S
C951
1K
U963
MAX4544EUT-T
COM
5
GND
3
IN
1
NC
4
NO
6
V+
2
R951
R983
14K_1%
C991 15pF
AVCC
C969 15pF
R981
C1008
16K_1%
9pF
C956 22nF
10K
R954
1K
100nF
C964
R962
R972
R987
100K
SPK-
10K_1%
_RESET
RF_ON_OFF
HEADSET_EN
JACK_IN
BUZ-
BUZ+
SPK+ MIC- MIC+ SPK2P SPK2N EAR_SWITCH MIC2N MIC2P
BBFILTEN
RI_LIGHT
VIBRATOR
RXCLK RXDATA RXRDY TXCLK TXDATA
CLK13M_K
D(0:15)
D(7) D(6) D(5) D(4) D(3) D(2) D(1) D(0)
A(0:20)
A(6) A(5) A(4) A(3) A(2) A(7)
TXSFM
RXSFM
TXRDY
CSVOC
RD
WR BFI
SP