Samsung SGH-M188, Service Manual

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Circuit diagrams
Samsung Electronics
5-12
5-12 SGH-M188 MP3 PLAYER for GSM Phone Circuit Diagram
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
TO
SIDE KEY
PROGRAM
DOWNLOADING
PROG_CLK
PROG_DATA
PROG_MODE
VCC_MONITOR
MP3_ON
VBAT
GND
2.1
MP3 PLAYER for GSM Phone ( M188 )
PERSONAL TELECOM. INC.
Custom
1 1 Thursday, September 14, 2000
Title
Size Document Number Rev
Date: Sheet of
CTRL_DWN
S_RXD
S_TXD
D_CLK
I2C_DATA
DEC_REQ
/DEC_RST
D_TXD
D_CLK
DEC_EN
AMP_DWN
/DEC_ON
D_TXD
S_CLK
CLE
R/B
AD7
AD1
/SE
AD2
/WE
CLE
AD1
AD6
AD0
EXA0
AD0
/SE
ALE
ALE
/RE
/WE
AD3
/SE
R/B
AD6
AD4
/RE
EXA0
/RE
ALE
AD4
AD5
AD7
EXA0
R/B
CLE
AD5
AD2
/WE
AD3
I2C_CLK
VCC
VCC
AVCC
AVCC
VCC
VCC DVCC
VCC
DVCC
DVCC
DVCC
DVCC
VBAT
VCC
DVCC
AVCC
VCC
AVCC
VBAT
VCCD
VBAT
VBAT
VCCD
VCC
VCC
VCC
VCC
VCC
VCC
VBAT
VCC
VCCD
AVCC
R34
100K
R58
100K
U5
1
2
3
4 5
6
7
8
OUTA
GND
OUTB
BYPB ENB
INB
ENA
INA
U4
3
1
2
VCC
GND
RST
C19
470pF C15
330pF
+
C14
2.2uF
R12
100K
R13
100K
C20
100nF
C21
100nF
R14
10
C22
100nF C23
1nF
C24
470pF
C25
4.7nF
R15
1K
R16
10
C26
47pF
C27
47pF
X1
14.7465MHz
C44
100nF
R17
1M
R18
0
C28
100nF
Q2
D3
R48
100K
U6
29
30
31
32
34
36
38
40
42
44
2
3
5
6
7
8
10
11
12
13
15
19
21
22
24
25
26
27
VDD_1
VSS_1
SDA
SCL
SDI
SCKR
BIT_EN
SRC_INT
SDO
SCKT
LRCKT
OCLK
VSS_2
VDD_2
VSS_3
VDD_3
PVDD
PVSS
FILT
XTO
XTI
VSS_4
VDD_4
TESTEN
SCANEN
RESET
VSS_5
CLK/D_REQ
S1
SEND
S3
END/PWR
S4
1
S5
2
S6
3
S7
5
S8
4
S9
6
S10
7
S11
8
S12
9
S2
UP
R19
100K
R20
100K
R21
100K
R22
100K
R23
100K
S13
*
S14
0
S15
#
R24
100K
LD1
LED LD2
LED LD3
LED LD4
LED LD5
LED LD6
LED
+
-
Z1
MIC
R26
100K
R30
3.3K
R25
10K
C11
100nF
S18
LEFT
R10
100K
U10
1
2
3 6
5
4
IN
V+
GND NO
COM
NC
S21
CLEAR
R57
4.7K
U3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
N.C
N.C
N.C
N.C
N.C
SE
R/B
RE
CE
N.C
N.C
VCC
VSS
N.C
N.C
CLE
ALE
WE
WP
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
I/O0
I/O1
I/O2
I/O3
N.C
N.C
N.C
VSS
VCC
N.C
N.C
N.C
I/O4
I/O5
I/O6
I/O7
N.C
N.C
N.C
N.C
C6
100nF C7
100nF
U8
1
3
2
VDD
GND
OUT
U9
1 3 4 5
2
C47
100nF
C48
N.C
R44
100K
R45
100 R46
100 R47
100
S16
F1
S17
F2
D4
LD7
LED LD8
LED
R49
100
J1
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
U1
8
1
4
3 2
5
7
6
IN1-
BYPASS
IN2-
DOWN GND
VO2
VO1
VDD
U2
1
2
3
4
7
8
5
6
SDATA
DEM/SCLK
LRCLK
MCLK
VA+
AOUTL
AOUTR
GND
R4
56K
R37 47K
R38 47K
C42
2.2nF
C43
2.2nF
S19
RIGHT
R5
56K
+
C3 10uF
+
C4 10uF
R8 22K
R9 22K
C5
100nF
R7
2.2K
R6 2.2K
TP2
GND
1
R56
1K
R54
47K
R55
6.2K
S20
DOWN
R53
100K
C2
100nF R1
100K R2
100K
C1
100nF
R11
100K
TP1
AVCC
1
R27
20K
+
C29
10uF
R31
3.3K
+
C16
10uF
L1
10uH
+
C17
10uF C13
1nF C10
100nF
R28
100K R29
100K
C34 100nF
+
C45 10uF R41
10K
R42
10K
C31
100nF
R32
100K
R35
100K C35
100nF
R36
10K
C36
0
C37 100pF
C38 100pF
+
C39
1uF
Q1
R39
2.2K
R40
NC
D2
+
C41 1uF
+
C40 1uF
C12
1nF
+
C18
10uF
R52
100K
R51 100K
R3
1M
C30
100nF
C9
47pF
C8
100pF
R50
100K
X2
13.5168MHz
R33
100K
U7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
P10-4
P10-5
P10-7
RXD1/P8-0
TXD1/P8-1
RXC1/P8-2
TXC1/P8-3
TM4OUT/P8-4
PWM2OUT/P8-6
PWM3OUT/P8-7
PWM0OUT/P7-6
PWM1OUT/P7-7
VDD
GND
HLDACK/P9-7
EXINT4/P9-0
EXINT5/P9-1
P9-2
P9-3
EXINT0/P6-0
EXINT1/P6-1
EXINT2/P6-2
EXINT3/P6-3
P6-4
P6-5
P6-6 P6-7 P5-4/CPCM0 P5-5/CPCM1 P5-6/TM0OUT P5-7/TM0EVT RES NM1 EA VDD XT0 XT1 GND OSC0 OSC1 VDD P11-0/WAIT P11-1/HOLD P11-2/CLKOUT P11-3/XOUT P11-6/TM9OUT P11-7/TM9EVT P3-1/PSEN P3-2/RD P3-3/WR
P0-0/D0
P0-1/D1
P0-2/D2
P0-3/D3
P0-4/D4
P0-5/D5
P0-6/D6
P0-7/D7
GND
P4-0/A0
P4-1/A1
P4-2/A2
P4-3/A3
P4-4/A4
P4-5/A5
P4-6/A6
P4-7/A7
P1-0/A8
P1-1/A9
P1-2/A10
P1-3/A11
P1-4/A12
P1-5/A13
P1-6/A14
P1-7/A15
A16/P2-0 A17/P2-1 A18/P2-2 A19/P2-3
VDD
VREF
AI0/P12-0 AI1/P12-1 AI2/P12-2 AI3/P12-3 AI4/P12-4 AI5/P12-5 AI6/P12-6 AI7/P12-7
AGND
RXD0/P7-0
TXD0/P7-1
GND
RXC0/P7-2
TM3OUT/P7-4 TM3EVT/P7-5
SIOCK3/P10-0
SIO3/P10-1
SIOO3/P10-2
P10-3
J2
1
2
3
4
5
6
C50
1nF
C49
33pF
D1
AUDIO_L
AUDIO_R
CTRL_DWN
A_LEVEL
A_LEVEL
MP_RXD
MP_TXD
MP_DWN
MP_CLK
MP_DOWN_DATA
MP_UP_DATA
Kbd_Strb0
Kbd_Strb1
Kbd_Strb2
Kbd_Strb4
Kbd_Strb5
Kbd_Strb7
Kbd_Rtn0
Kbd_Rtn1
Kbd_Rtn2
MP3_ON
BL
Kbd_Strb3
CTRL_DWN
BL
MP_TXD
MP_RXD
Pwr_On
MIC-
MIC+
AUDIO_L
AUDIO_R
MP_CLK
MP_DOWN_DATA
Kbd_Rtn2
Kbd_Rtn1
Kbd_Rtn0
Pwr_On
Kbd_Strb1
Kbd_Strb2
Kbd_Strb3
Kbd_Strb4
Kbd_Strb5
Kbd_Strb7
Kbd_Rtn0
Kbd_Rtn1
Kbd_Strb0
Flip_Sns
Flip_Sns
MIC+
MIC-
N_MOTOR
N_MOTOR
Kbd_Strb6
Kbd_Strb0
Kbd_Strb6
MP3_EN
Kbd_Rtn2
Kbd_Strb1
Kbd_Strb7
MP3_EN
KEY_INT
RMT_KEY
KEY_INT
RMT_KEY
MP_UP_DATA
MP_DWN
PROG_CLK
PROG_DATA
/RESET
PROG_MODE
/RESET
/RESET
VCC_MONITOR PROG_CLK
PROG_DATA
PROG_MODE
A
A
MP3_ON
VCC_MONITOR