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AM-NX1
6-8.
SCHEMATIC DIAGRAM – MAIN Board (3/4) – •
(3/4)
HR601
OVER WRITE
HEAD
VB
BATM
CHGSW
RS
INP2
INM2
RF2
DCIN
CHGMON
RECHARGEABLE
SVREF
BATTERY
NH-14WM
GND
1PC. 1.2V 1350mAh
GAIN
CHG
DREG
TP951
C950
(BATTERY CASE)
(CHG V)
0.1
DRY BATTERY
SIZE"AA"
C971
(IEC DESIGNATION R6)
TP952
0.1
(GND)
1PC. 1.5V
C970
R603
0.1
10k
R971
(CHASSIS)
0
(CHASSIS)
CN951
2P
VI
(FOR CHARGE STAND)
GND
(AEP, UK)
R998 0
J951
DC IN 3V
CN952
6P
VBUS
DATA-
DATA+
(USB)
ID
GND
SHIELD
C972
0.1
(CHASSIS)
•
See page 39 for Waveform.
See page 46 for IC Block Diagrams.
(Page 42)
-1
-2
Q601
MCH6616
D602
D603
MA2YD1700LS0
MA2YD1700LS0
Q601,602
OVER WRITE
HEAD DRIVE
-1
-2
Q602
CPH5614
C628
C606
10
0.1
4V
C644
0.1
C608
C645
R615
0.1
0.1
2.2
C607
R616
0.1
2.2
R605
0
C1H
C610
0.1
C1L
C613
VC2
0.1
VREF
C648
0.01
CVREF
GND
DW_BT
OVER WRITE HEAD DRIVE,
POWER CONTROL
DW_TP
IC601
RF1
XPC18A22AEPR2
R641
INM1
470k
R643
INP1
22k
R642
2.2k
DTC
C647
VREC
0.01
VRECO2
R604
10k
D604
L602
MA22D2800LS0
10µH
C602
C601
22
22
4V
4V
VREF_MON
Q608
TS8K1TB
B+ SWITCH
D1
D2
S1
S2
S1
G2
G1
Q952
UN9214J-(TX).SO
DC DETECT
TP602
(VREC)
XDC_IN
TH951
C958
D952
0.01
MA22D2800LS0
L603
10µH
C604
C605
C603
L604
22
22
1
10µH
4V
4V
R961
C673
47k
0.1
R672
100k
R655
1k
Q651
FB981
UMD12N-TR
R982
0
UDM
USB ON/OFF
SWITCH
R983
0
UDP
44
44
(Page 43)
D951
FT1J3
Q951
FZT968TA
CHARGE ON
SWITCH
WK_DET
C960
R958
R957
0.1
10k
100
PWR_WAKE
C962
0.1
GND
VG
CHG_PWM
CHG_CTL
BAT_SEL
C954
4700p
R969
2.2k
PWT
OUT2
CHARGE CONTROL
WDT
IN2-
IC951
C955
SC901582
10
IN1-
VBAT
R959
R965
0.47
1
VI
VO
C966
10
10V
C956
0.1
R962
100k
R963
10k
C957
R970
C963
C961
0.01
4.7k
0.1
1
R967
47
WK_DET
IC671
XC61FS1YXXMR
C674
0.1
O
I
-1
-2
G
Q671
VOLTAGE
XP1210-TXE
DETECTOR
WAKE-UP
R673
C672
100k
0.1
SWITCH
L651
D653
10µH
MA22D2800LS0
DC/DC CONVERTER
R660
-1
100
-2
C659
R658
1000p
4.7k
Q652
SI2302DS-T1
Q653
R659
B+ SWITCH
FMMT617TA
2.2k
R656
R674
DC/DC
C660
470k
470k
CONVERTER
2200p
F1
F2
R964
0.022
(Page 45)
F3
R955
100k
R953
1k
R954
R956
47k
470k
F4
R952
10k
R951
10k
R968
10
GND
CE
VDD
EXT
VOUT
IC651
XC6367A331MR
C661
22
16V
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