Technical Manual

13-48
NCN6167A Controller Board Schematic Diagram, Sheet 3 of 4
SRAM
EEPROM
FLASH
DIGITAL 5V REGULATOR
5V ANALOG
REGULATOR
+5V VOLTAGE
DETECTOR
AUDIO PA
8
B+SENSE
+5VA
100K
R519
390
R197
0.1uF
C216
5
4
C215
0.1uF
C203
0.1uF
C214
18
VCC
4
11
0.47uF
10K
R185
0.22uF
C194
C182
6
20
4
470pF
10K
C197
0
R510
TL062
U714-1
2
3
1
8
4
3
4.7uF
C183
4.7uF
C184
+5VA
6
19
4.7K
R542
TL062
6
5
7
8
4
16
0
U714-2
1
0.1uF
C176
0.22uF
C195
C198
12
.01uF
7
3
1uF
C209
0.22uF
C193
5
2
47uF
C175
1K
R191
8
1uF
C208
13
9
VCC
0.1uF
C189
C205
0.1uF
C204
PWR_GND
U725-2
GND
3
VCC
5
0.33uF
Q105
12
4
+5VA
+5VA
U708-1
TC7S08F
2
1
4
8
PLIN
7
PLOUT
12
REG
10
REGOUT
2
VCC1
3
VCC2
5
VCC3
11
GND2
25
GND3
26
GND4
29
GND5
30
GND6
17
INTMININ
15
MICAMPOUT
9
NC
21
BOOTCAPC3
19
EN_AMP
16
EN_INTMIC
14
EN_MIC
18
EXTMICIN
20
EXT_INTSPKR
13
FREQCOMP
1
GND1
24
AMP1OUT1
27
AMP2OUT
28
AMP2OUT1
31
AMP3OUT
32
AMP3OUT1
6
AMPIN
4
BOOTCAPC1
22
BOOTCAPC2
4
U718
57W68
23
AMP1OUT
4.7uF
C201
2
0
6
7
+5VA
0.22uF
C211
Q110
0.1uF
C212
EN_OE
6
EN_WE
21
GND
7
VCC
D1
20
D2
22
D3
23
D4
24
D5
25
D6
26
D7
27
EN_CE
1
A3
13
A4
12
A5
11
A6
10
A7
4
A8
3
A9
18
D0
19
A0
16
A1
28
A10
2
A11
9
A12
5
A13
8
A14
15
A2
14
2
AT28C256E-20
U706
17
4.7K
R209
S81250PG
GND
1
INPUT
2
OUTPUT
3
5
R186
12
U710
7
470K
0.1uF
C213
SW_B+
10
3
2
PWR_GND
U708-2
GND
3
VCC
5
100K
R188
SW_B+
10K
R212
C186
10K
R205
4.7uF
0
R214
100pF
C191
100pF
C190
+5VA
R211
4
EN_CS
20
EN_OE
22
EN_WE
27
GND
14
VCC
28
10K
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A0
10
A1
9
A10
21
A11
23
A12
2
A13
26
A14
1
U705
MB84256-120
1uF
C207
1
68uH
L119
FERRITE BEAD
L501
3
VCC
7
Q108
VCC
0.22uF
C200
Q106
6.81K
C210
C199
5
10K
R203
0.22uF
10K
R184
7
11
1
0.1uF
C187
SS
2
SYNC
3
VIN
7
VSW
8
VCC
U709
LM2672
CB
1
FB
4
GND
6
ON_OFF*
?X
15K
R206
R189
9
+5VA
100K
U712
TC4S66F
CNTL
4
1
2
5
VDD
VSS
3
C206
1
2
4
9
0.33uF
R536
U725-1
TC7S08F
NC2
5
1
OUTPUT
VDD
2
100K
13
S80745SN
U726
3
GND
4
NC1
11
2
C220
390
R193
R204
0.1uF
C202
10K
UNSW_B+
+5VA
SW_B+
4700pF
20K
R207
VCC
10
+5VA
16
TC4S66F
U713
CNTL
4
12
VDD
5
VSS
3
82.5K
R202
150K
R196
0
R194
4.7K
0
0
3
1
10K
R540
R535
6
2.2K
100K
R198
8
6
10
4.7uF
C185
R208
VCC
R195
100K
22K
R200
22K
150K
R201
0.1uF
C219
10K
R192
0
0.1uF
C217
R509
5
16
1
2
0.1uF
C179
Q113
Q109
100uF
C180
VCC
3
VCC
100K
R529
D104
5
Q107
47k
47k
R187
B+SENSE
.01uF
100K
0
R217
C177
0
0
R216
C196
17
R215
7
6
1
10K +5VA
+5VA
4
10K
R190
0
1
0.1uF
C192
1
R537
11V
VR121
R539
+5VA
R199
10K
R531
110K
UNSW_B+
0
R541
1
2
0
4.7uF
C188
10K
R213
0.1uF
C178
VCC
NC2
38
RP
10
VCC
30
VCC1
31
VPP
11
WE
?X
3
D7
35
EN_CE
22
EN_OE
24
EN_WE
9
23
GND GND1
39
NC
29
NC1
37
A9
7
D0
25
D1
26
D2
27
D3
28
D4
32
D5
33
D6
34
A18
13
A2
19
A3
18
A4
17
A5
16
A6
15
A7
14
A8
8
A10
36
A11
6
A12
5
A13
4
A14
3
A15
2
A16
1
A17
40
U727
28F004BV-80
A0
21
A1
20
13
5
21
6
D1
D2
D3
D4
D5
D6
D7
POR*
D0
D1
D2
D3
D4
D5
D6
D7
A19
B+CNTL
INTMICEN
BOOT_SEL_VPP
VPP
MICEN
INT_SPKR
SPKR_COMMON
EXT_SPKR
D0
D1
D2
D3
D4
D5
D6
D7
D0
ROM2CS*
ROM1CS*
MEMCNTL(6:0)
MEMR_W*
HC11RST*
OE*
A10
A9
A8
A7
A6
A5
A4
A3
A18
A17
A16
A15_OUT
A14_OUT
A13
A12
A11
A2
A1
A0
RAMSEL*
CSGEN*
A(21:0)
SDO
EXT_INT_SPKR*
MAI
DATA(7:0)
EECS*
A4
A3
A2
A14_OUT
A13
A12
A11
A10
A1
A0
A9
A8
A7
A6
A5
A4
A3
A2
A14_OUT
A13
A12
A11
A10
A1
A0
SPKEN
INTMIC
EXTMIC
A9
A8
A7
A6
A5
63A81088C74-O