MZ-NH1
23
23
MZ-NH1
4-3. BLOCK DIAGRAM – POWER SUPPLY Section –
SDO0
SCK0
VG
B+
VC01
B+
VCO2
B+
VSTB
B+
DDC3 B+
REG2 B+
REG1 B+
REG3 B+
MDVCC
D602
VREC B+
218 233
181
231
229
101
105
112
SDO0
SCK0
CLK
MUTEON
XWK1, XWK2,
XWK4
REC KEY
VBUS B+
DC IN B+
VB B+
LITHIUM-ION
RECHARGEABLE
BATTERY
LIP-4WM
299
OR GATE
IC604
WAKE UP SWITCH
Q951
XWK2
XWK4
XWK1
D401
DCIN6V
VBUS
B+ SWITCH
Q883, 884
B+ SWITCH
Q502, 503
REG4 B+
HPOUT B+
B+ SWITCH
Q604, 611
REG5 B+
REG5 OSC B+
REG F B+
USB IF VDD
VC B+
D609
D610
132
REG5 VSTB B+
REG5 TSBV B+
D603
DDC3 B+
VB B+
L1 B+
L2 B+
B+ SWITCH
Q603
B+ SWITCH
Q605
B+ SWITCH
Q801, 802
REGULATOR
Q401
CHARGE
CONTROL
Q431
CHARGE
CONTROL
Q432
300
SWITCHING
Q501
VOLTAGE
LIMITER
Q606, 607
LEVEL
SHIFT
Q882
REGULATOR
CONTROL
Q881
204
D881
D882
D883
D884
S431
(BATTERY INSERT DETECT)
Q404
CN451 (2/2)
(USB)
1
11
12
3
VB B+
VB B+
FCRAM_VDD
FFCLR
DRAM_
HOLD_DET
DRAM_
VDD_CLR
DRAM_ALONE
FFCLR
FCRAM_VDD
DRAM_HOLD_DET
DRAM_VDD_CLR
DRAM_ALONE
REG5 B+