MZ-NH900
25
25
MZ-NH900
246
SDO0
SCK0
XWK2
XWK4
RVDD
VC
B+
VG
B+
VC01
B+
VCO2
B+
VSTB
B+
DDC3 B+
REG2 B+
REG1 B+
RVDD
REG3 B+
MDVCC
VREC B+
181
231
101
105
112
SDO0
SCK0
CLK
XWK1, XWK2,
XWK4
REC KEY
129
VBUS B+
127
DC IN B+
121
VB B+
Ni-MH
RECHARGEABLE
BATTERY
(NH-10WM)
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
1PC. 1.5V
(BATTERY CASE)
299
RESET
SWITCH
Q618
OR GATE
IC605
WAKE UP SWITCH
Q906
136
141
XWK1
CHARGE ON/OFF
CONTROL
Q407
VBUS
D401
B+ SWITCH
Q901
B+ SWITCH
Q901
B+ SWITCH
Q904, 905
B+ SWITCH
Q502, 503
REG4 B+
B+ SWITCH
Q616, 617
REG5 B+
REG5 OSC B+
REG F B+
USB IF VDD
VC B+
D609
250
316
317
132
REG5 VSTB B+
REG5 TSBV B+
D611
DDC3 B+
L1 B+
L2 B+
B+ SWITCH
Q609
B+ SWITCH
Q603
B+ SWITCH
Q614, 615
B+ SWITCH
CONTROL
Q613
B+ SWITCH
Q611
B+ SWITCH
Q801, 802
SWITCHING
Q612
B+ SWITCH
Q608
DC IN DETECT
Q607
REGULATOR
Q401
DC IN DETECT
Q433
GROUND LINE
SWITCHING
Q403, 406
CHARGE
CONTROL
Q432
300
Q501
VOLTAGE
LIMITER
Q451, 452
DC IN
DETECT
Q402
VOLTAGE
DETECT
Q884
REGULATOR
CONTROL
Q881
REGULATOR
CONTROL
Q883
204
D438
D882
D883
D884
D885
237
240
221
222
126
CN451 (2/2)
(USB)
3
2
1
GND
GND_SW
DC IN (+)
CN401
BATTERY CHARGE
STAND
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
REG5 B+
J402
DC IN 3V
–
+
+
S894(BATTERY INSERT DETECT)
198
MUTEON
297
HPOUT B+
6-3. BLOCK DIAGRAM – POWER SUPPLY Section –
Summary of Contents for Walkman MZ-MH900
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