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12
12
MZ-NH600D
246
253
224
SYSTEM CONTROLLER
IC801 (2/2)
SL801
(TEST)
S894–2
Hi-MD
PROTECT
DETECT
HIMD_PROTECT
XTEST
GND_SW
226
VREC_SEL
VBUS_VB_CTL
188
S893
OPEN/CLOSE
DETECT
OPEN_CLOSE_SW
184
S894–1
PROTECT
DETECT
PROTECT
–1
–2
135
S892
HALF
LOCK
S892
S893
S894
HALF_LOCK_SW/
OPEN_SW
VB B+
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
128
VRMC
6
DATA
SDO0
SCK0
SLEEP
58
CLK
63
XWK3
3
64
STRB
59
SCK
60
XWK2
4
XWK4
2
VG
23
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
REG3 B+
MDVCC
VREC B+
218
233
YUZU_SLEEP
XCS_PWR_IC
181
RECP
231
RECP_MON
WK_DET
193
USB_WAKE
XRST2
34
XRST1
17
229
XRST2_DET
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
6
L1_2
7
L1_1
46
POWFB
SDO0
SCK0
SDO0 SCK0
D
CLK
A
RMC KEY
B
129
VBUS_MON
VBUS B+
121
VB_MON
VB B+
DDC3 B+
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
1PC. 1.5V
299
PWM_L1
133 REC_KEY/DOWNLOAD
T_MARK
248 JOG_A
JOG_A
249 JOG_B
JOG_B
227 XHOLD_SW
HOLD
183 PAUSE_KEY
PAUSE
124 SET_KEY_1
SET_KEY_1
125 SET_KEY_2
SET_KEY_2
213 SI1
SDI
214 SO1
SDO
215 SCK1
SCK
236 XCS_LCD
CS
LCD
MODULE
192 XRST_LCD
RST
XWK
RESET
SWITCH
Q471
DVDD
DDC3 B+
+2.4V
REGULATOR
IC471
RESET SIGNAL
GENERATOR
IC1
+1.2V
REGULATOR
IC604
VOLTAGE
DETECT
IC606
OR GATE
IC605
WAKE UP SWITCH
Q803
WAKE UP SWITCH
Q902
136
XRST
141
DACVREFH
VB B+
5 XWK1
GROUND LINE
SWITCHING
Q403, 406
VBUS
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
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
12 VC
VC B+
D609
D610
61 VIF
13 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
Q612
B+ SWITCH
Q608
300
PWM_L2
Q501
C
USB ON/OFF
SWITCH
Q451, 452
204
MDVCC_CTL
+3V
REGULATOR
IC502
POWER CONTROL
IC901
4-2. BLOCK DIAGRAM – POWER SUPPLY Section –
(Page 11)
(Page 11)
(Page 11)
(Page 11)
Содержание MZNH600D - Hi-MD Walkman Recorder
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