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AM-NX9
6-2.
BLOCK DIAGRAM – POWER SUPPLY Section –
CLK
A
(Page 31)
SDO0 SCK0
D
(Page 31)
S801
HALF
LOCK
S803
OPEN/CLOSE
DETECT
S806
PROTECT
DETECT
S807
HOLD
ON
DOWNLOAD KEY
SET KEY 1
SET KEY 2
XWK2
XCS LCD
LCD STB
SWITCH
&
LCD
MODULE
DVDD
REG1 B+
LED
DOWNLOAD LED
DRIVE
Q872
RESET
RESET
SWITCH
Q871
SL803
(TEST)
FFCLR
124
SLEEP
123
XCS PWR IC
138
XRST
212
168
HALF LOCK SW
93
OPEN CLOSE SW
89
PROTECT
VREF MON
161
OFF
132
XHOLD SW
SYSTEM CONTROLLER
VRECO B+
IC801 (2/2)
VREC B+
VREC PWM
146
171 REC KEY
162 SET KEY1
163 SET KEY2
141 XCS LCD
142 LCD STB
WK DET
166
GND SW
118
108 DOWNLOAD LED
VBUS DET
158
97 LCD RST
VB MON
159
VB B+
HIDC MON
165
129
XTEST
POWER CONTROL
IC601 (2/2)
25
VREF
VB
43
L1 1
VRECO1
10
SWITCHING
11
VRECO2
L1 2
B+ SWITCH
REGULATOR
15
14
VREC
STEP-UP DOWN
DW BT
16
SWITCH
22
PRE DRIVER
DW TP
INM1
&
21
19
PWM
–
+
VIO
8
REG1 B+
VC2
26
RF1
NOISE
20
VC
9
VCO1 B+
FILTER
VG
36
VG B+
BATTERY
CHARGER
DCIN
50
&
REGULATOR
RF2
49
DC/DC
B+ SWITCH
USB B+
VB B+
CONVERTER
Q652
IC651, Q653
D654
USB ON/OFF
SWITCH
Q651
SWITCH
Q654
32
32
POWER CONTROL
IC901
63
CLK
SDO0
58
DATA
SCK0
60
SCK
LVB
7
4
XWAKE2
VB
26
2
XWAKE4
L2
34
L2
35
1
FFCLR
VO2
36
64
SLEEP
VC2
42
D902
59
STRB
27
XRST2
VCIN
38
VCO B+
VCOUT
37
13
L1
L1
14
45
REGC1
VO1
12
46
REGC2
9
D903
VSTB
47
REGC3
VC1
10
VSTB B+
REG1 B+
43
REGO1
REGI1
44
41
REGO2
REGI3
40
REG3 B+
39
REGO3
LG
24
VCO1 B+
11
VCO1
VG
23
D901
48
VREF
5 XWAKE1
VG B+
VB B+
VB B+
Q603
D603
WAKEUP
SWITCH
Q672
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
1PC, 1.5V
B+ SWITCH
Q602
GROUND
LINE
SWITCHING
Q951
VBUS
C
(Page 31)
TH951
J951
DC IN 3V
–
+
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