Technical Manual

13-41
NCN6128B Controller Board Schematic Diagram, Sheet 3 of 4
0.33uF
0.22uF
0.22uF
0.22uF
0.22uF
0.1uF
0.22uF
0.22uF
0.22uF
0.33uF
0.22uF
D0
A9
A8
INTMIC
EXTMIC
A8
A7
A6
A5
A4
A3
A2
A14_OUT
A7
A6
A5
A4
A3
A2
A14_OUT
A13
A12
A11
A10
A1
A0
D7
D7
D6
D5
D4
D3
D2
D1
SPKEN
SDO
A13
A12
A11
A10
A1
A0
MICEN
D6
D5
D4
D3
D2
D1
D0
A9
B+CNTL
INTMICEN
DATA(7:0)
MAI
SPKR_COMMON
EXT_INT_SPKR*
EECS*
RAMSEL*
CSGEN*
POR*
ROM1CS*
EXT_SPKR
INT_SPKR
D2
D1
D0
A10
A9
A8
A7
A6
A5
A4
A3
HC11RST*
OE*
A19
D7
D6
D5
MEMCNTL(6:0)
MEMR_W*
A(21:0)
ROM2CS*
1
A18
A17
A16
A15_OUT
A14_OUT
A13
A12
A11
A2
A1
A0
D4
D3
4
+5VA
BOOT_SEL_VPP
VPP
Q106
5678
4
123
Q105
20
A1
36
A10
R185
10K
A17
40
A18
13
28F004
U727
21
A0
8
A8
7
A9
6
A11
5
A12
4
A13
A14
3
2
A15
1
A16
33
D5
34
D6
19
A2
18
A3
17
A4
16
A5
15
A6
14
A7
38
24
OE
10
RP
22
EN_CE
25
D0
26
D1
27
D2
28
D3
32
D4
35
D7
39
GND
23
GND
29
NC
37
NC
NC
2DTC143ZK
31
VCC VCC
30 11
VPP
9
WE
12
WP
2
Q108
53
12
4
10K
C199
10K
R184
6
.01uF
C179
R203
0
VCC
R531
SW_B+
330pF
C177
VCC
C188
4.7uF
C185
4.7uF
10
10K
R213
0.1uF
C178
VCC
1
1.0
R509
470pF
C181
VCC
VCC
+5VA
33K
R207
R206
C211
UNSW_B+
+5VA
7
R189
15K
Q113
100K
R541
0
0
5
19
U718
57W68
3
AMP1OUT
23
24
AMP1OUT1
AMP2OUT
27
28
AMP2OUT1
AMP3OUT
31
32
AMP3OUT1
AMPEN
19
4
BOOTCAPC1
BOOTCAPC2
22
BOOTCAPC3
21
EXTMICIN
18
EXT_INTSPKR*
20
FREQCOMP
13
GND1
1
11
GND3
25 26
GND4
29
GND5
30
GND6
INTMICEN
16
INTMICIN
17
MICAMPOUT
15
AMPIN
6
14
9
NC
PLIN
8
PLOUT
7
REG
12
REGOUT
10
VCC1
2
VCC2
3
GND2
5
VCC3
3
MICEN
11
5
4
21
6
13
10
13
16
OUT_IN*
2
VDD
5
+5VA
3
R212
TE85L
U713
CONT
4
GND
3
IN_OUT*
1
.0047uF
4.7uF
C186
10K
TL062
U714-1
C187
8
4
C184
4.7uF
2
3
1
C183
4.7uF
4.7K
R542
C212
0.1uF
2
2
12
Q109
2
+5VA
L501
3
U708-1
TC7S08F
2
1
4
7
VCC
.047uF
C210
R537
1.0
8
6
1
GND
2
INPUT
3
OUTPUT
11
5
U710
S81250
VCC
0
10K
R540
11V
VR121
B+SENSE
C180
100uF
4.7K
R209
4
CONT
3
GND
1
IN_OUT*
2
OUT_IN*
5
VDD
C207
1uF
U712
TE85L
PWR_GND
U725-2
GND
3
VCC
L119
100uH
C204
0.1uF
5
4
C205
C193
C175
33uF
7
2
VCC
4.7uF
C201
C194
4
5
0.1uF
C203
+5VA
A0
17
16
A1
28
A10
2
A11
9
0.1uF
C215
15
A2
A3
14
13
A4
12
A5
11
A6
10
U706
AT28C256
27
EN_CE
D0
18
19
D1
20
D2
22
D3
23
A12
5
A13
8
A14
26
D7
GND
21
1
EN_OE
7
VCC
6
EN_WE
A7
4
A8
3
A9
6
D4
24
D5
25
D6
U725-1
TC7S08F
2
4
9
0
100K
1
R536
3
390
R193
C220
0.1uF
C213
100K
2
0.1uF
B+SENSE
R187
R529
C192
1
0
100K
3
VCC
D104
33uF
C174
+5VA
R539
10K
100K
R535
Q110
C200
7
C206
7
SW_B+
9
R186
470K
12
A14
1
10
A9
24
MB84256A
U705
A0
10
9
A1
A10
21
A11
23
A12
2
A13
26
IO6
17
A2
8
A3
7
6
A4
A5
5
A6
4
A7
3
A8
25
CS
20
GND
14
11
IO1
IO2
12
IO3
13
IO4
15
IO5
16
IO7
18
IO8
19
22
OE
VCC
28
WE
27
.01uFC198
C209
1uF
GND
3
VCC
5
10K
R204
PWR_GND
U708-2
UNSW_B+
.0047uF
C202
R191
0
10K
R211
1
1K
16
C195
8
12
2
5
C176
0.1uF
4
470pF
C182
C197
1
3
R510
0
20
R188
100K
U726
S80745
6
SW_B+
3
GND
+5VA
.47uF
C214
4
NC
5
NC1
1
OUT
2
VDD
VCC
8
R205
10K
5625U38
U709
CC
8
GND1
10
GND2
11
11
4
NC
5
NC1
6
NC2
SHDN
2
SS
7
VPOS3
16
VREF
3
LX1
12
LX2
13
LX3
14
1uF
C208
VOUT
9
VPOS1
1
VPOS2
15
R519
100K
9
R198
3.6K
4
C196 17
7
6
+5VA
R190
10K
1
C219
0.1uF
0
+5VA
10K
R192
0.1uF
C217
R208
100K
4.7K
R200
4.7K
R195
47K
5
R201
C191
330pF
+5VA
330pF
C190
R196
47K
82.5K
R202
4
3.6K
R194
+5VA
47K
47K
Q107
110K
R199
1
6
5
7
8
4
18
16
U714-2
TL062
R197
390
C189
.0047uF
5
13
0
6
C216
0.1uF
SRAM
EEPROM
FLASH
DIGITAL 5V REGULATOR
5V ANALOG
REGULATOR
+5V VOLTAGE
DETECTOR
AUDIO PA
63B81086C80-O