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MZ-NH600
4-7. SCHEMATIC DIAGRAM – MAIN Section (4/9) –
W403
DRY BATTERY
C423
C424
SIZE"AA"
220
220
(IEC DESIGNATION R6)
5V
5V
1PC. 1.5V
W404
C425
CN451
7P
LF451
(USB)
VBUS
DATA−
DATA+
IO
FB452
GND
SW_A
SW_B
C457
0.1
J402
DC
IN
3V
• See page 28 for IC Block Diagram.
(4/9)
Q451
RTQ035P02TR
S
C453
0.047
Q451,452
VOLTAGE LIMITER
R463
R467
10k
−2 −1
Q452
XP4601-TXE
C452
R462
D458
0.1
220k
MA8056-L-TX
C427
0.1
0.1
R424
470k
Q403
SI1410EDH-T1
FB451
S
Q403,406
C455
2200p
GROUND LINE
SWITCHING
R455
1M
C402
C403
R456
220
220
470k
5V
5V
R438
100k
R454
C574
0
0.1
R437
220k
THP401
R418
100k
LF401
C419
R419
D439
0.1
MA22D2800LS0
R420
4.7k
R464
220
100k
R466
2.2M
R439
0
BAT−
RF1
IAMP_CAL
AMP_SEL
I_CTL2
CHG_SW1
R423
BAT+
220k
V0
R422
1M
−1 −2
Q406
XP4601-TXE
R421
100k
Q433
2SC4738FY/GR
(TLP3)
DC IN
DETECT
C420
10k
0.1
D401
Q401
MA22D2800LS0
C426
FZT968TA
C406
22
REGULATOR
0.1
16V
20
20
UDP
UDM
Q407
UN9214J-(TX).SO
CHARGE
ON/OFF
CONTROL
R432
0
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
HIDC_MON
UDP
UDM
(Page 24)
D1
D2
TERRA_V
(Page 18)
MINUS_MON
GND_SW
VBUS_MON
CHG_TYPE2
CHG_TYPE2
CHG_I_CTL3
CHG_I_CTL3
CHG_I_CTL2
(Page 24)
CHG_I_CTL2
CHG_MON
CHG_MON
CHG_PWM
CHG_PWM
HIDC_MON
HIDC_MON
G1
G2
G3
(Page 21)
M 1
M2
(Page 25)
H1
(Page 22)
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