Block Diagram -Power Supply Section - Sony MZ-NH600D Service Manual

MZ-NH600D
4-2. BLOCK DIAGRAM – POWER SUPPLY Section –
CLK
(Page 11) A
SDO0 SCK0
D
(Page 11)
RMC KEY
(Page 11) B
S892
S892
HALF_LOCK_SW/
HALF
135
OPEN_SW
LOCK
S893
S893
188 OPEN_CLOSE_SW
OPEN/CLOSE
DETECT
S894
–1
S894–1
184 PROTECT
PROTECT
DETECT
–2
S894–2
253 HIMD_PROTECT
Hi-MD
PROTECT
DETECT
DDC3 B+
+2.4V
REGULATOR
IC471
DVDD
T_MARK 133 REC_KEY/DOWNLOAD
XWK
SET_KEY_1 124 SET_KEY_1
SET_KEY_2
125 SET_KEY_2
JOG_A 248 JOG_A
JOG_B
249 JOG_B
HOLD 227 XHOLD_SW
PAUSE
183 PAUSE_KEY
LCD
MODULE
SDI
213 SI1
SDO 214 SO1
SCK 215 SCK1
CS
236 XCS_LCD
RST 192 XRST_LCD
DDC3 B+ RESET
SWITCH
VB B+ Q471
SL801 224 XTEST
(TEST)
YUZU_SLEEP
218
XCS_PWR_IC 233
XRST2_DET 229
WK_DET
128
WAKE UP SWITCH
USB_WAKE 193
Q803
B+ SWITCH
Q616, 617
XRST
136
SYSTEM CONTROLLER
IC801 (2/2)
REG4 B+
+1.2V
DACVREFH 141 REGULATOR
IC604
REG5 B+
D609
VC B+
REG5 VSTB B+
REG5 TSBV B+
MDVCC_CTL 204
181
RECP
231
RECP_MON
REG F B+ REGULATOR
REG5 OSC B+
B+ SWITCH
USB IF VDD
Q801, 802
REGULATOR
+3V
L1 B+
REGULATOR
L2 B+
IC502
Q501
DDC3 B+
299
PWM_L1
300
PWM_L2
250
VBUS_DET
316
USBHOLD
SUSPEND 317
132
RST_CONT
VB_MON 121 VB B+
VBUS_MON 129 VBUS B+
VBUS_VB_CTL 205
VREC_SEL 226
GND_SW 246
RESET SIGNAL
GENERATOR
IC1
OR GATE
IC605
87 64 94 59 58
VOLTAGE
DETECT
IC606
91 DVDD_OUT RVDD
VG 83
TSBV_IN 101
REG_IN
97
DVDD_IN 90
98 REG_OUT
VSTB_IN 105
D610
VREF_IN 18
61 VIF POWER CONTROL
VREC B+
IC601 (2/2)
12 VC
13 VC B+ SWITCH
VREC
112
Q502, 503
VREC_IN 80
106 VSTB_OUT
VREC_IN 81
102 TSBV_OUT
67 RECP VRECO_1 5
B+ SWITCH
VRECO_2
4
Q609
+1.2V
L1_1
7
IC602
L1_2 6
93 OSC_OUT
UP_1T
9
UP_1B 10
DW_1T 3
108 V33RO
DW_1B 2
+2.5V
L1_1 7
L1_2 6
IC804
POWFB 46
66 VG2
73 VG3
L3_1 24
21 V3O_1 L3_2
25
22 V3O_2
Q612
UP_3B 17
28 V3FB
VBUS 54
VPDRV
36
PVBUS
88
51 VBUS_DET
VBUSSEL 43
86 HOLD_OUT
CLP 38
99 SUS_IN
CLM 42
95 RST_IN
POWP1
37
POWP2 41
12 12
63 CLK
SDO0
58 DATA
SCK0
60
SCK
6 VRMC
3
XWK3
2 XWK4
WAKE UP SWITCH
5 XWK1
Q902
4 XWK2
64 SLEEP
REGI1 55
59 STRB
REGI2 52
34 XRST2
REGI3 48
17 XRST1
VSTB
VCO2 VC01 VG VC
B+
B+ B+ B+ B+
POWER CONTROL
IC901
LVB 7
VB 27
LG 25
B+ SWITCH
RVDD 12 VO1
Q352, 353
10 VC1
L1 13
23 VG
L1 14
11 VCO1
L2 37
40 VCO2
L2 38
9 VSTB
57 VREF
DW_2T 43
REG1 B+
54 REGO1
DW_2B 44
REG2 B+ 51 REGO2
REG3 B+ REGO3
47
MDVCC
B+ SWITCH
Q614, 615
D611
+3.2V
B+ SWITCH
REGULATOR
Q603
IC603
B+ SWITCH
CONTROL
Q613
B+ SWITCH
Q611
B+ SWITCH
Q608
DDC3 B+
VB B+
B+ SWITCH
Q901
USB ON/OFF
VBUS
C (Page 11)
SWITCH
Q451, 452
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
1PC. 1.5V
GROUND LINE
SWITCHING
Q403, 406