Samsung YP-NEU64B, Service Manual

Page: 21 / 21

Schematic Diagrams 8-2
Samsung Electronics
8-2 SMC
A
B
EFFECT
0
1
NORMAL
1
0
I2C_CLK I2C_DATA
CLK2
SIC SCI SID
DAC_DATA DAC_LRCLK DAC_BCK
MEM_CLE MEM_ALE
AD7
AD7
/MEM_WR
AD6
AD6
/MEM_WP
AD5
AD5
AD0
AD4
AD4
AD1
AD3
AD3
AD2
AD2
AD2
AD3
AD1
AD1
AD0
AD0
AD4 AD5 AD6 AD7
MEM_R/B /MEM_RD /SM_CE
MEM_CLE
MEM_CLE
MEM_ALE
MEM_ALE
/MEM_CE0
/MEM_CE1
/MEM_RD
/MEM_RD
/MEM_WR
/MEM_WR /MEM_WP
MEM_R/B
MEM_R/B
AD0
AD1
AD2
AD3
AD4
AD5 AD6 AD7
DCEN
DAC_CLK
DAC_CLK
DEC_WSEN
PUP
VCC1
VCC1
VCC1
VCC1
VCC2
VCC1
VCC0
VCC1
VCC0
VCC1
VCC1
VCC1
VCC1
VCC1
VCC2
VCC6
VCC/2
VCC6
VCC/2
VCC_R
VCC1
VCC_R
VCC1
VCC1
VCC1
VCC6
VCC
VCC1
VCC0
VCC0
R170 NC
R119 24K
C88 1uF C87 1uF
R118 24K
R121 27K R120 27K
C90 1uF C89 1uF
Q6 KRC414
C92 1uF C91 1uF
Q7 KRC414
C94 560pF C93 560pF
R123 22K R122 22K
Q5 KRC414 Q4 KRC414
R125 47K
R124 47K
S12 SW SPDT
J9 CON40
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
C19 1.8nF
C101
1uF
C100 1uF
R54 27K
R138 47K
R141 39k
R140 39k
R150 100K
R149 10K
C103 1uF
R152 NC
R145 200K
R148 10K
D9 MA729
L7 1uH
R147 100K
R142 10k
Q10 KRC414
C102
10
n
J10 CON8
1 2 3 4 5 6 7 8
Q1 IRLML6401
J5 CN015R
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
GND CLE ALE WE WP DIO0 DIO1 DIO2 DIO3 GND1 GND2 VCC DI04 DIO5 DIO6 DIO7 VCC1 GND3 R/B RE CE VCC2 WRT_PROT GND4 DISC_CHK GND5
U10
KM29U128T
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
U9
KM29U128T
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
C43 100nF
C42 100nF
C41 100nF
C40 100nF
R27 47K
C45 100nF
R70 100K
R69 100K
C13 100nF
C12 100nF
+
C11 10uF
R28 47K
R31
47K
R30
47K
R29 47K
+
C14 10uF
R35 47K
R34 47K R33 47K R32 47K
R36 47k
U4 NC7S04
1 2 3
4 5
NC A GND
Y
VCC
C15
100nF
C116 47
p
U3 74LVX15
7
2 3 5 6
11 10 14 13
1
15
4 7 9 12 16 8
1A 1B 2A 2B 3A 3B 4A 4B A/B G
1Y 2Y 3Y 4Y
VCC
GND
R39
47K
C17
20pF
C16
20pF
Y2 14.725MHz
R146
47
R143
47
R139
47
C114 47p
R42 10K
R41 47K
R40 47K
C18
100nF
+
C21 3.3uF
C20 10nF
U6
MAS3507D
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
TE
POR
I2CC
I2CD
VDD
VSS
DCEN
EOD
RTR
RTW
DCSG
DCSO VSENS PR PCS PI19 PI18 PI17 PI16 PI15 PI14 PI13
PI12
SOD
SOI
SOC
PI8
XVDD
XVSS
SID
SII
SIC
PI4
PI3 PI2 PI1 PI0
CLKO
PUP
WSEN WRDY
AVDD
CLKI
AVSS
U5
DAC3550A
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
AGNDC
AVSS1 AVSS0
NC
OUTL
NC
OUTR
NC
AVDD0 AVDD1
NC
XTI
XTO
CLKOUT
SCL
SDA
VSS
VDD
MCS1
MCS2
DEECTRL
NC
CLI DAI WSI PORQ TESTEN NC AUX2L AUX2R AUX1L AUX1R NC
DEEML
DEEMR
NC
FOUTL
FOPL
FINL
NC
FOUTR
FOPR
FINR
VREF
+
C25 100uF
+
C24 100uF
C23 10nF
+
C22 22uF
R46 4.7 R45 4.7
R44 1.5K R43 1.5K
C28 NC
R47
62K
C27 470pF C26
470pF
C31 NC
R50 62K
R48
47K
C29 47pF
R51
47K
C32 47pF
Q1
1
IRLML6401
L4 10uH
C34
100nF L1 2.2uH
J2 PHONEJACK 7
R53 1K
U18 RSF4
1 2 3 4 5 6 7
VCC/2 L_IN R_OUT GND VCC L_OUT R_IN
R38 10K
R37 10K
C30
2.7nF
R49
27K
R52 1K
C33 2.7nF
Q12
IRLML6401
B2 30
0
B3 300
AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0
MEM_CLE
MEM_ALE /MEM_RD
/MEM_WR
/MEM_CE0
MEM_R/B
/MEM_CE1
/SM_CE
/DSK_CHK
WR_PROT
ADC_DATA
DAC_LRCLK
DAC_BCK
CLK2
A B
/SM_IN
/DEC_RST
I2C_CLK
I2C_DATA
/DEC_RTW
/DEC_PCS
DEC_DMD
/ADC_ON
DEC_CLK
DEC_DATA
RMT_PLAY
AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 /MEM_CE1 /SM_CE /MEM_CE0
WR_PROT
MEM_R/B
DEC_WSEN MEM_CLE MEM_ALE /MEM_RD /MEM_WR DEC_DATA DEC_CLK DEC_DMD I2C_CLK I2C_DATA CLK_2 ADC_DATA DAC_LRCLK DAC_BCK /SM_IN RMT_PLAY RMT_DATA
/DEC_RTW
HOLD
CRC_ERR
DCSO
A
PUP
/DEC_PCS DCSO
HOLD A B
/DSK_CHK
/DEC_RST
/ADC_ON CRC_ERR
RMT_DATA