Block Diagram - Power Supply Section - Sony MZ-RH910 Service Manual

6-3. BLOCK DIAGRAM – POWER SUPPLY Section –
(Page 22)
SDO0 SCK0
H
XRST
B
(Page 22)
XRST2
C
(Page 22)
229 218 233
XRST 136
RESET VOLTAGE
SWITCH DETECT
Q618 IC607
REG4 B+
141
DACVREFH
MDVCC_CTL 204
RECP 181
231
RECP_MON
REG F B+
REG5 OSC B+
USB IF VDD
VB_MON 121 VB B+
VBUS_MON 129 VBUS B+
HIDC_MON 127 DC IN B+
TEMP_MON 120 RVDD
TH801
250
VBUS_DET
USBHOLD 316
SUSPEND 317
RST_CONT 132
MZ-RH910
B+ SWITCH
Q616, 617
OR GATE
IC605
87 64 94 59 58
VOLTAGE
DETECT
IC606
91 DVDD_OUT
+1.2V VG 83
REGULATOR
TSBV_IN 101
IC604
REG_IN 97
DVDD_IN
90
REG5 B+ 98 REG_OUT
VSTB_IN
105
VREFIN 18
61 VIF
13 VC
POWER CONTROL
IC601 (2/2)
14 VC
VREC 112
REG5 VSTB B+ 106 VSTB_OUT
VRECIN
80
REG5 TSBV B+ 102 TSBV_OUT
VRECIN 81
67 RECP VRECO_1 5
VRECO_2 4
+1.2V
REGULATOR
L1_1 7
IC602
L1_2
6
93 OSC_OUT
UP_1T 9
B+ SWITCH
UP_1B
108 V33RO 10
Q801, 802
DW_1T 3
DW_1B 2
+2.5V
REGULATOR
IC804
L5_1 45
L5_2 49
POWFB
46
73 VG2
66 VG3
L3_1
24
DDC3 B+ 21 V3O_1
L3_2 25
22 V3O_2
UP_3B 17
28 V3FB
51 VBUS_DET VBUS
54
86 HOLD_OUT VPDRV 36
99 SUS_IN PVBUS 88
VBUSSEL 43
95 RST_IN
CLP
38
CLM
42
POWP1 37
POWP2 41
SYSTEM CONTROLLER
IC801 (3/3)
SDO0
58 DATA
SCK0
60 SCK
64 SLEEP
59
STRB
34 XRST2
17 XRST1
RESET SIGNAL
VSTB VCO2 VC01 VG VC
GENERATOR
B+ B+ B+ B+ B+
IC903
POWER CONTROL
IC901
B+ SWITCH
RVDD RVDD
12 VO1
Q904, 905
10 VC1
24 VG
11 VCO1
40 VCO2
9 VSTB
57 VREF
REG1 B+
54 REGO1
VREC B+
REG2 B+
51 REGO2
REG3 B+ 47 REGO3
B+ SWITCH
MDVCC
Q502, 503
B+ SWITCH
Q609
VOLTAGE
B+ SWITCH
LIMITER
Q603
Q451, 452
B+ SWITCH
Q611
B+ SWITCH
Q608
SWITCHING
Q612
205 219 73 75 256 257 207
DCIN_DET 126
CC_CTL/VI_CTL 237
CHG_PWM 240
CHGI_CTL2
221
CHGI_CTL3 222
CHG_MON 122
CHARGE ON/OFF
CHG_TYPE2 255 CONTROL
USB_CHARGE 234
BATT_MINUS_MON 130
GND_SW 246
XGUM_ON 198
23 23
CLK 63
XWK4
2
XWK4
XWK2
XWK2 4
XWK1
WAKE UP SWITCH
XWK1 5
Q906
VRMC 6
XWK3 3
MUTEON 45
REGI1 55 DDC3 B+
REGI2 52
REGI3 48
LVB
7
FCRAM_VDD
VB 27
LG 25
FFCLR
L1 13
D885
L1 14
D884
L2 37
B+ SWITCH
DRAM_
L2 38
VOLTAGE
Q901
HOLD_DET
DETECT
DW_2T
43
Q884
DW_2B 44
DRAM_
REGULATOR
VDD_CLR
CONTROL
Q883
DRAM_ALONE
VB B+
PWR_WAKE 8
VI 6
IN1– 12 D443
I_CTL1 20 D444
USB CHARGE
ON/OFF CONTROL
CHARGE CONTROL Q441, 442
IC401
RF1 26
BAT+ 31
VO 32
4 VI_CTL
DC IN DETECT
7 CHG_CTL
29 I_CTL2
23 I_CTL3
22 A/D
16 TYPE2
CHG_SW1 30
Q407
S894
(BATTERY INSERT DETECT)
MZ-RH910
CLK
A (Page 21)
XWK1, XWK2,
XWK4
D (Page 22)
REC KEY
F (Page 22)
MUTEON
E (Page 22)
B+ SWITCH
REG5 B+
Q885, 886
+2.2V DC/DC
REGULATOR CONVERTER VB B+
IC882 IC881
REGULATOR
CONTROL
Q881
D882
D883
VBUS
G (Page 22)
J402
THP401
DC IN 3V
– +
DC IN B+
CN451 (2/2)
(USB)
REGULATOR
Q401
D401
NICKEL METAL HYBRID
DRY BATTERY
RECHARGEABLE
SIZE "AA"
BATTERY
Q433
(IEC DESIGNATION R6)
(NH-10WM)
1PC. 1.5V
1PC. 1.2V 900mAh
(BATTERY CASE)
CHARGE
CONTROL
Q432
GROUND LINE
SWITCHING
Q403, 406