AM-NX9
37
37
6-7.
SCHEMATIC DIAGRAM – MAIN Board (2/4) –
•
See page 33 for Waveforms.
R806
X802
S803
R811
R832
FB805
R844
C851
R857
SL804
C871
R873
R874
SL803
R871
C841
S807
R861
C835
R847
R846
C880
R850
R862
R863
FB806
C873
R864
R868
R869
R837
R825
R823
R828
R843
C852
R805
X803
C811
R
8
0
8
C
8
1
5
R
8
0
9
R
8
0
7
C823
C822
C
8
2
1
R820
R
8
1
9
C820
R818
R817
R816
C818
R
8
1
3
C838
C837
S
8
0
1
R858
R826
C819
R824
R822
R821
R
8
2
7
C
8
5
5
C832
C803
L803
10
µ
H
R855
C801
R804
C831
C830
C808
R803
C805
C829
L802
10
µ
H
C802
C833
R
8
2
9
R860
D802
D801
Q872
R866
R865
CN872
R872
S806
C814
C813
C812
R845
C856
FB802
R839
R835
R834
R
8
5
1
IC852
IC801
SL802
C826
FB801
R814
R815
C817
FB803
Q871
0
48MHz
220k
0
0
0
0.1
1M
0.1
470k
470k
2.2k
1000p
0
0.047
220k
100k
0.01
0
0
0
0
0.1
4.7k
47
100
47k
1M
2.2
22
0
0.1
0
22.5792MHz
1
1
0
k
4
7
0
p
1
0
0
k
1
0
k
0.022
0.01
0
.0
2
2
2.2k
2
.2k
0.01
1M
2.2M
220
0.1
1
k
1p
1p
0
2.2k
0.1
470k
220k
47k
4
.7
k
0
.0
1
10
4V
0.1
0
4.7
10
0.1
100
4V
1000p
10
10
6.3V
0.1
0.1
22
6.3V
2
2
0
MA8068-TX
MA8068-TX
XP4601-TXE
10k
10k
14P
1k
0.47
0.01
1
100k
0.01
0
0
4.7k
4.7k
0
AK6417AL-L
CXD2680-207GA
0.01
0
2.2k
1k
1
0
XP1501-TXE
6
2
4
8
4
6
4
5
4
4
4
3
4
2
1
4
3
3
9
3
7
3
6
3
5
3
4
3
3
3
1
2
9
24
6
1
R
F
I
PEAK
B
O
T
M
A
B
C
D
F
E
V
C
S
_
M
O
N
T
E
A
D
IP
APCREF
T
R
1
T
F
1
F
F
1
S
L
D
_
P
W
M
C
L
V
_
C
O
N
_
U
C
L
V
_
P
W
M
C
L
V
_
C
O
N
_
V
C
L
V
_
C
O
N
_
W
C
L
V
_
M
O
N
_
U
C
L
V
_
M
O
N
_
V
C
L
V
_
M
O
N
_
W
S
L
D
_
C
O
N
_
V
S
L
D
_
C
O
N
_
W
S
L
D
_
M
O
N
_
U
S
L
D
_
M
O
N
_
V
S
L
D
_
M
O
N
_
W
S
L
D
_
C
O
N
_
U
FS256
XRST_MTR_DRV
V
R
E
C
_
P
W
M
XCS_NV
SSB_DATA
XCS_PWR_1C
CLV_CON_U
XRF_RST
FFCLR
SLEEP
SLD_CON_U
PD_S1
PD_S0
BEEP
SCK0
SDO0
SDI0
V
R
E
F
_
M
O
N
S
S
B
_
C
L
K
S
E
T
_
K
E
Y
_
1
S
E
T
_
K
E
Y
_
2
W
K
_
D
E
T
H
A
L
F
_
L
O
C
K
R
E
C
_
K
E
Y
R
M
C
_
D
T
C
K
U
D
P
U
D
M
X
R
S
T
H
D
_
C
O
N
_
2
H
D
_
C
O
N
_
1
M
O
D
E
1
M
O
D
E
2
M
O
D
E
3
F
R
1
F
S
2
5
6
XCS_NV
SDO0
SCK0
SDI0
XHP_STBY
REC_LED
GND_SW
H
O
L
D
_
G
N
D
H
I
D
C
_
M
O
N
H
P
_
M
U
T
E
A
O
U
T
L
A
O
U
T
R
SET_KEY_1
SET_KEY_2
REC_KEY
SCK0
LCD_RST
REC_LED
WK_DET
LCD_STB
XCS_LCD
SDO0
EFM
LCD_STB
XCS_LCD
LCD RST
XCAS
XRAS
XWE
XCS
CLK
CKE
UDQM
LDQM
DVDD0
DVSS0
DVSS1
DVSS2
DVSS3
DVDD4
DVSS4
DVDD1
DVDD2
DVDD3
IFVDD0
IFVSS0
IFVDD1
IFVSS1
IFVDD2
IFVSS2
IFVSS3
IFVDD4
IFVSS4
AVDD
AVSS
VDIOSC
VSIOSC
DAVDD
DAVSS
AVD1
AVS1
AVD2
AVS2
TSMVDD
ITO
MITY
USBIFVDD
MVDD
USBOSCVDD
USBOSCVSS
AVDPLL
AVSPLL
EVA
FVDD0
FVSS0
DVDD5
DVDD6
DRAMVDD3
DRAMVDD4
T
E
S
T
1
T
E
S
T
0
T
R
S
T
S
A
K
ID
O
N
A
R
T
A
N
T
A
T
X
R
S
T
S
E
T
_
C
O
D
E
3
S
E
T
_
C
O
D
E
2
S
E
T
_
C
O
D
E
1
S
E
T
_
C
O
D
E
0
U
O
S
C
O
U
P
U
E
N
S
U
S
P
E
N
D
U
D
M
U
D
P
R
A
D
IO
_
O
N
R
M
C
_
K
E
Y
H
A
L
F
_
L
O
C
K
_
S
W
W
K
_
D
E
T
H
ID
C
_
M
O
N
S
E
T
_
K
E
Y
_
2
S
E
T
_
K
E
Y
_
1
V
R
E
F
_
M
O
N
C
H
G
_
M
O
N
V
B
_
M
O
N
VREC_PWM
CHG_PWM
XCS_NV
XRST_MTR_DRV
LCD_STB
XCS_LCD
XCS_REC_DRV
XCS_PWR_IC
SPDL_MON
CHGI_SEL
CHG_ADSEL
COUT_MON
XHOLD_SW
XRF_RST
XTEST
CHGI_CTL1
FFCLR
SLEEP
SLD_MON
PD_S1
PD_S0
XRST_CHG_IC
XHP_STBY
BEEP
XGUM_ON
SCK0
SO0
SI0
XPATCH
XMUTE
LCD_RST
XPD_ADC
XCS_ADC
OPEN_CLOSE_SW
XMIC_DET
XJACK_DET
OPT_DET
PROTECT
PAUSE_KEY
O
S
C
0
V
R
E
F
L
V
R
E
F
R
A
S
Y
O
B
IA
S
R
F
I
P
C
O
F
IL
I
P
E
A
K
B
O
T
M
A
B
C
D
F
E
V
C
A
D
R
B
S
E
T
E
A
D
R
T
D
C
H
G
A
P
C
A
D
F
G
A
P
C
R
E
F
F
F
D
R
F
R
D
R
F
S
4
S
F
D
R
S
P
R
D
S
P
F
D
S
P
D
V
S
P
D
W
S
P
C
V
S
P
C
W
S
L
D
V
S
L
D
W
S
L
C
U
S
L
C
V
S
L
C
W
D
IN
D
A
D
T
A
D
D
T
K
R
C
K
X
B
C
K
M
N
T
0
M
N
T
1
M
N
T
2
M
N
T
3
S
E
N
S
T
X
R
E
C
P
E
F
M
O
R
M
C
_
D
T
C
K
C
L
T
V
T
FD
R
T
R
D
R
S
P
C
U
XDC_IN
XEXT_PWR
XOPT_CTL
H
D
_
C
O
N
_
2
H
D
_
C
O
N
_
1
M
O
D
E
3
M
O
D
E
2
M
O
D
E
1
U
O
S
C
I
A
S
Y
I
F
IL
O
A
D
IO
(N
C
)
A
U
X
1
N
C
N
C
L
R
C
K
I(N
C
)
X
B
C
K
I(N
C
)
D
A
T
A
I(N
C
)
N
C
T
S
T
D
R
1
N
C
N
C
F
M
C
K
(
N
C
)
O
F
T
R
K
(N
C
)
X
S
K
H
(N
C
)
X
S
K
L
(N
C
)
TACK(NC)
TREQ(NC)
TD7(NC)
TD6(NC)
TD4(NC)
TD5(NC)
XCHG_CTL(NC)
AOUT_SEL
BATT_CTL
VREC_CTL
(NC)
(NC)
(NC)
(NC)
NC
CHGI_CTL2(NC)
D_EN1
D_EN2
RED_LED_PWM
GREEN_LED_PWM
D_VO_PWM
T_MARK_SW
JOG_A
JOG_B
C
R
A
D
L
E
_
D
E
T
(N
C
)
(N
C
)
J
O
G
_
P
U
S
H
(N
C
)
R
E
C
_
K
E
Y
E
N
D
_
S
E
A
R
C
H
(N
C
)
S
I3
(N
C
)
S
C
K
3
(N
C
)
M
S
IN
(N
C
)
M
S
O
U
T
(N
C
)
M
S
C
K
(N
C
)
R
F
_
P
O
W
E
R
(N
C
)
S
P
_
A
M
P
(N
C
)
X
H
P
_
D
E
T
(N
C
)
(N
C
)
(N
C
)
G
N
D
_
S
W
(
N
C
)
P
L
_
C
T
L
(N
C
)
D
_
M
U
T
E
C
L
V
_
P
W
R
_
S
E
L
C
S
_
R
T
C
D
0
(N
C
)
D
4
(
N
C
)
D
1
(N
C
)
D
2
(N
C
)
D
3
(N
C
)
D
5
(N
C
)
D
6
(N
C
)
D
7
(N
C
)
D
8
(N
C
)
D
9
(N
C
)
D
1
0
(N
C
)
D
1
1
(
N
C
)
D
1
2
(N
C
)
D
1
3
(N
C
)
D
1
4
(N
C
)
D
1
5
(N
C
)
A04(NC)
A03(NC)
A05(NC)
A07(NC)
A08(NC)
A09(NC)
A10(NC)
A11(NC)
A12(NC)
A13(NC)
A06(NC)
IFVDD3(D CLASS AMP)
TSLVDD(NC)
DRAMVDD0
DRAMVSS0
DRAMVDD1
DRAMVSS1
NC
NC
NC
NC
NC
NC
XCS
VCC
DOWNLOARD_KEY
SET_KEY_1
XWK1
NC
S
D
3
(N
C
)
NC
ORANGE_LED
ACCESS_LED3
ACCESS_LED2
SYSTEM CONTROLLER
CSP(Chip Size Package)
ON
OFF
L
R
D
R
F
S
2
5
6
PROTECT
DETECT
DETECT
OPEN/CLOSE
GND
RESET
XBUSY
XSKRDY
DI
DO
EEPROM
DOWNLOAD_LED
GND_SW
HOLD
DGND1
SET_KEY_2
DOWNLOARD_LED
STB
XCS
SD0
SCK
DVDD
DGND2
S_GND
RESET
(TEST)
-1
-2
-1
-2
LED DRIVE
∗
S
S
B
_
C
L
K
V
B
U
S
_
D
E
T
(NC)
(NC)
SSB_DATA
A
0
2
(N
C
)
A
0
1
(N
C
)
A
0
0
(N
C
)
OSCI
NC
T
D
0
(N
C
)
D
C
L
S
O
U
T
R
D
C
L
S
O
U
T
L
TD1(NC)
TD2(NC)
TD3(NC)
(H
A
L
F L
O
C
K
)
A
O
U
T
R
A
O
U
T
L
SWITCH
LCD
MODULE
&
(2/4)
(NOT SUPPLIED)
DIGITAL SIGNAL PROCESSOR,
16M BIT D-RAM
(OPEN/CLOSE)
RESET SWITCH
(Page
36)
(Page 39)
(Page 38)
When IC852 is damaged, replace the MAIN board.
