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MZ-NH700/NHF800
2323
MZ-NH700/NHF800
(Page 22)
(Page 22)
6-3. BLOCK DIAGRAM – POWER SUPPLY Section –
246
SYSTEM CONTROLLER
IC801 (3/3)
GND_SW
226 219 73 256 257 207
VREC_SEL
VBUS_VB_CTL
25
LG
VCO1
11
7
LVB
27
VB
14
L1
13
L1
38
L2
37
L2
DW_2B
DW_2T
55
REGI1
52
REGI2
48
REGI3
44
43
VRMC
6
DATA
SDO0
SCK0
SLEEP
58
CLK
63
XWK3
3
64
STRB
59
SCK
60
XWK2
4
XWK4
2
VG
24
RVDD
VC1
10
VO1
12
VC
B+
VG
B+
VC01
B+
VCO2
B+
VSTB
B+
DDC3 B+
REGO2
51
REG2 B+
REGO1
54
REG1 B+
RVDD
VREF
57
VSTB
9
VCO2
40
REGO3
47
RF1
26
CHG_SW1
30
VO
32
VI
6
IN1–
12
I_CTL1
20
BAT+
31
CHARGE CONTROL
IC401
4
7
29
23
VI_CTL
CHG_CTL
I_CTL2
I_CTL3
A/D
TYPE2
22
16
REG3 B+
MDVCC
VREC B+
218 233
YUZU_SLEEP
XCS_PWR_IC
181
RECP
231
RECP_MON
XRST2
34
XRST1
17
229
XRST2_DET
XRST2
POWER CONTROL
IC601 (2/2)
83
VG
101
TSBV_IN
97
REG_IN
90
DVDD_IN
105
VSTB_IN
18
VREF_IN
112
VREC
4
VRECO_2
5
VRECO_1
10
UP_1B
9
UP_1T
81
VREC_IN
80
VREC_IN
6
L1_2
7
L1_1
46
POWFB
SDO0
SCK0
SDO0 SCK0
F
B
CLK
A
XWK1, XWK2,
XWK4
C
REC KEY
D
129VBUS_MON
VBUS B+
127HIDC_MON
DC IN B+
121VB_MON
VB B+
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
1PC. 1.5V
299
PWM_L1
RESET SIGNAL
GENERATOR
IC902
+1.2V
REGULATOR
IC604
VOLTAGE
DETECT
IC606
RESET
SWITCH
Q618
VOLTAGE
DETECT
IC607
OR GATE
IC605
WAKE UP SWITCH
Q902
136
XRST
141
DACVREFH
5
XWK1
CHARGE ON/OFF
CONTROL
Q407
VBUS
D401
B+ SWITCH
Q901
B+ SWITCH
Q901
B+ SWITCH
Q352, 353
B+ SWITCH
Q502, 503
REG4 B+
B+ SWITCH
Q616, 617
87 64 94 59 58
RST_OUT
VBUSSEL2
SLEEP_IN
DATA
SCK
54
VBUS
36
VPDRV
88
PVBUS
43
VBUSSEL
38
CLP
42
CLM
37
POWP1
41
POWP2
91 DVDD_OUT
REG5 B+
+3.2V
REGULATOR
IC603
+2.1V
REGULATOR
IC882
DC/DC
CONVERTER
IC881
98 REG_OUT
+1.2V
REGULATOR
IC602
REG5 OSC B+
REG F B+
93 OSC_OUT
+2.5V
REGULATOR
IC804
USB IF VDD
108 V33RO
13 VC
VC B+
D609 D610
61 VIF
14 VC
67 RECP
250
VBUS_DET
51 VBUS_DET
316
USBHOLD
86 HOLD_OUT
317
SUSPEND
99 SUS_IN
132
RST_CONT
95 RST_IN
REG5 VSTB B+
106 VSTB_OUT
REG5 TSBV B+
102 TSBV_OUT
D611
22 V3O_2
DDC3 B+
L1 B+
L2 B+
21 V3O_1
28 V3FB
66 VG2
73 VG3
B+ SWITCH
Q609
2
DW_1B
17
UP_3B
3
DW_1T
B+ SWITCH
Q603
25
L3_2
24
L3_1
B+ SWITCH
Q614, 615
B+ SWITCH
CONTROL
Q613
205
B+ SWITCH
Q611
B+ SWITCH
Q801, 802
SWITCHING
Q612
B+ SWITCH
Q608
DC IN DETECT
Q607
REGULATOR
Q401
DC IN DETECT
Q433
COMPARATOR
IC402
GROUND LINE
SWITCHING
Q403, 406
CHARGE
CONTROL
Q432
300
PWM_L2
Q501
E
VOLTAGE
LIMITER
Q451, 452
VOLTAGE
DETECT
Q884
REGULATOR
CONTROL
Q881
REGULATOR
CONTROL
Q883
204
MDVCC_CTL
+3V
REGULATOR
IC502
POWER CONTROL
IC901
D882
D883
D884
D885
BATT_MINUS_MON
130
237
240
221
222
CC_CTL/VI_CTL
CHG_PWM
CHG_I_CTL2
CHG_I_CTL3
CHG_MON
122
CHG_TYPE2
255
CN451 (2/2)
(USB)
THP401
DC IN B+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
FFCLR
FCRAM_VDD
DRAM_HOLD_DET
DRAM_VDD_CLR
DRAM_ALONE
REG5 B+
J402
DC IN 3V
–
+
+
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(Page 22)
(Page 22)
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