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MZ-NH900
6-7. SCHEMATIC DIAGRAM – MAIN Section (4/9) –
(BATTERY CASE)
DRY BATTERY
SIZE"AA"
(IEC DESIGNATION R6)
1PC. 1.5V
CL431
(BATT+)
W403
NICKEL METAL HYDRIDE
C423
RECHARGEABLE BATTERY
220
5V
NH-10WM
W404
CL432
(BATT-)
D442
C428
MAZS068008SO
0.1
CN451
7P
TP453
LF451
(USB)
(VBUS 5V)
VBUS
DATA-
DATA+
IO
TP460
(VBUS GND)
GND
SW_A
SW_B
C457
0.1
CN401
3P
DC_IN(+)
GND_SW
(BATTERY CHARGE STAND)
GND
J402
DC IN 3V
C437
D450
0.1
MA22D2800LS0
C436
D436
0.1
MAZS068008SO
CL433
(GND)
MZ-NH900
• See page 38 for IC Block Diagrams.
(4/9)
Q451
RTQ035P02TR
S
C453
0.047
Q451,452
VOLTAGE LIMITER
R467
10k
-2
-1
Q452
XP4601-TXE
C452
R462
D458
0.1
220k
MA8056-L-TX
C438
C424
0.1
220
5V
C425
C427
0.1
0.1
Q403
SI1410EDH-T1
R432
1
FB451
S
Q403,406
C455
GROUND LINE
2200p
SWITCHING
FB452
R455
1M
C402
C403
C435
R456
220
220
0.1
470k
5V
5V
R438
100k
R454
0
R437
220k
THP401
Q402
SI1410EDH-T1
DC IN DETECT
D439
MA22D2800LS0
LF401
D438
S
MA22D2800LS0
C419
R413
R414
R415
0.1
100k
10k
4.7k
C417
0.1
R417
1M
R463
R464
220
100k
R466
2.2M
R446
0
BAT-
RF1
Q432
IAMP_CAL
FZT688B-TP
CHARGE
AMP_SEL
CONTROL
I_CTL2
R423
220k
CHG_SW1
R422
1M
BAT+
R433
V0
0.47
R447
0
-1
-2
Q406
COMPARATOR
XP4601-TXE
R421
100k
R441
IC402
100k
NJU7008F3
R443
100k
Q433
2SC4738FY/GR
R444
(TLP3)
R442
100k
100k
DC IN
DETECT
R418
100k
R419
C420
10k
0.1
D401
Q401
MA22D2800LS0
C426
FZT968TA
R420
C406
22
4.7k
REGULATOR
0.1
16V
30
30
UDP
UDM
CHG_TYPE2
Q407
UN9214J-(TX).SO
CHG_I_CTL3
CHARGE
CHG_I_CTL2
ON/OFF
CHG_MON
CONTROL
CHG_PWM
HIDC_MON
STAND_DET
NI_VI_CTL
AD_SEL
R436
220k
TYPE2
CFB
IAMP_CTL
A7CAL_SW
CHARGE CONTROL
IN1-
IC401
MM1655NCBE
TYPE1
WDT
C415
LED_CTL
0.1
PWR_WAKE
R425
2.2k
CHG_PWM
NI_VI_CTL
R426
0
HIDC_MON
STAND_DET
UDP
UDM
(Page 34)
D1
D2
TERRA_V
(Page 28)
MINUS_MON
GND_SW
VBUS_MON
CHG_TYPE2
CHG_I_CTL3
(Page 34)
CHG_I_CTL2
CHG_MON
CHG_PWM
HIDC_MON
STAND_DET
NI_VI_CTL
G4
G1
G2
G3
(Page 31)
M1
M3
M2
(Page 35)
H1
(Page 32)
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