Block Diagram - Power Supply Section - Sony MZ-RH10 Service Manual

6-3. BLOCK DIAGRAM – POWER SUPPLY Section –
SDO0 SCK0
(Page 22)
H
XRST
(Page 22)
B
229 218 233
XRST
136
RESET VOLTAGE
SWITCH DETECT
Q618 IC607
REG4 B+
DACVREFH 141
REG5 VSTB B+
REG5 TSBV B+
MDVCC_CTL 204
181
RECP
RECP_MON 231
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
VBUS_DET 250
USBHOLD 316
317
SUSPEND
132
RST_CONT
MZ-RH10
B+ SWITCH
Q616, 617
OR GATE
IC605
VOLTAGE 87 64 94 59 58
DETECT
IC606
91 DVDD_OUT
VG 83
+1.2V
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
VREC B+
IC601 (2/2)
14 VC
VREC
112
106 VSTB_OUT
VRECIN 80
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 10
108 V33RO
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
DDC3_EL B+ 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
VG
24
11 VCO1
40 VCO2
9 VSTB
57 VREF
REG1 B+ 54 REGO1
REG2 B+ 51 REGO2
REG3 B+ REGO3
47
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
Q407
USB_CHARGE 234
BATT_MINUS_MON 130
GND_SW 246
XGUM_ON 198
23 23
CLK 63
XWK4
XWK4 2
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
B+ SWITCH
VB 27
LG 25
FFCLR
L1 13
14 D885
L1 D884
L2 37
B+ SWITCH
DRAM_
L2 38
Q901 VOLTAGE
HOLD_DET
DETECT
DW_2T 43
Q884
DW_2B 44
DRAM_
REGULATOR
VDD_CLR
CONTROL
Q883
DRAM_ALONE
D883
DC IN
DETECT
Q402
VB B+
PWR_WAKE 8
DC IN B+
CHG_SW2 5
VI 6
IN1– 12
D443
D444
I_CTL1 20
USB CHARGE
ON/OFF CONTROL
CHARGE CONTROL Q441, 442
IC401
RF1 26
BAT+ 31
4 VI_CTL VO 32
DC IN DETECT
7 CHG_CTL
29 I_CTL2
23 I_CTL3
22 A/D
16 TYPE2
CHG_SW1 30
S894
(BATTERY INSERT DETECT)
MZ-RH10
CLK
(Page 21)
A
XWK1, XWK2,
XWK4
D (Page 22)
REC KEY
(Page 22)
F
MUTEON
E (Page 22)
REG5 B+
Q885, 886
+2.2V DC/DC
REGULATOR CONVERTER VB B+
IC882 IC881
REGULATOR
CONTROL
Q881
D882
VBUS
G (Page 22)
J402
THP401
DC IN 3V
– +
D438
CN451 (2/2)
(USB)
REGULATOR
Q401
D401
NICKEL METAL HYBRID
DRY BATTERY
RECHARGEABLE
SIZE "AA"
Q433 BATTERY
(IEC DESIGNATION R6)
(NH-14WM)
1PC. 1.5V
1PC. 1.2V 1400mAh
(BATTERY CASE)
CHARGE
CONTROL
Q432
GROUND LINE
SWITCHING
Q403, 406