Sony Walkman MZ-RH1 - Block Diagrams of System Sections; Power Supply Section Block Diagram

MZ-RH1
2323
MZ-RH1
6-3. BLOCK DIAGRAM – POWER SUPPLY Section –
VIF
61
VC
14
VC
13
SUS_IN
99
HOLD_OUT
86
VBUS_DET
51
LATCH
56
SLEEP_IN
94
RST_IN
95
VSTB_OUT
106
REGO3
47
REGO2
51
REGO1
REGO3
REGO2
REGO1
D902, 903
54
CHG_CTL
7
VI_CTL
4
A/D
22
I_CTL3
23
I_CTL2
29
TYPE1
11
VIVG
6
I_CTL1
20
TYPE2
16
IN1–
12
I_SEL
18
A7CAL_SW
13
IAMP_CTL
14
IAMP_CAL
27
VC1
10
VCO1
11
L1
14
L1
13
BAT+
31
VO
32
BAT–
25
CHG_SW1
30
RS
24
B+ SWITCH
Q606
OR GATE
IC604
CHARGE
CONTROL
Q402
CHARGE
SWITCH
Q401
CN441 (2/2)
(USB)
CHARGE CONTROL
IC401
POWER CONTOL
IC901
POWER CONTOL
IC601 (2/2)
SYSTEM CONTROLLER
IC801 (3/3)
VBUS
1
LITHIUM ION
RECHARGEABLE
BATTERY
(LIP-4WM)
1PC. 3.7V/370mAh
VOLTAGE
DETECT
IC602
+5.5V
REGULATOR
IC302
VO1
12
REGI3
48
CHG_SW2
5
VB_MON
116
PH2
201
XRST
135
XRST2_DET
204
VBUS_MON
VB
HIDC_MON
122
DRAMVDD_DISCHG
266
VBUS
124
USBHOLD2
236
3.3VREG
REGI2
52
REGI1
55
CLP
38
VBUSSEL
43
L5_1
45
L5_2
49
POWFB
46
VPDRV
36
VBUS
54
V33RO
108
OSC_OUT
93
REG_IN
97
DACVREFH
DRAMVDD0 -
DRAMVDD4
93
VSTB_IN
105
VGVG
24
VCO1
VGH
VG
(HP AMP)
VBUS
LIMITER
Q441, 442
VBUS
VCO1
CURRENT
LIMITER
Q406
USB CHARGE
ON/OFF
Q404, 405
MDVCC
MDVCC _CTL VBUS_VB_CTL
B+ SWITCH
Q610, 611
+3.3V
REGULATOR
IC607
3.3VREG
+3.1V
REGULATOR
IC961
VC3
+1.5V
REGULATOR
IC606
1.5V_AVDD
1.5V_DVDD
+1.2V
REGULATOR
IC605
REG_F
OSC B+
SWITCH
Q608, 609
REG5_OSC
+1.5V
REGULATOR
IC608
(FOR HI-SPEED)
VB
27
HVB
8
LG
25
D607
VCIN
41
VCO2
40
VSTB
9
L2
38
L2
37
VO2
VB
39
XWK4
2
XWK3
3
XWK2
4
XWK1
HALF_LOCK
REC_KEY
XWK1
5
DVDD_IN
90
MUTEON
MUTEON
45
VCO2
Q902
VC1
TSBV_IN
101
VREF
57
VREFIN
18
XRST1
17
VBUSSEL2
64
VGSEL1
29
XRST2
34
STRB
59
CLK
63
SCK
60
DATA
XCS_PWR_IC
FS4
SCK0
SO0
SO0, SCK0, FS4,
XCS_PWR_IC
58
CLK
60
SCK
58
DATA
FS4
SCK0
SO0
59
REG_OUT
VSTB
REG5_REG
EBIVDD,
FLASHVDD
98
VBUS
DETECT
Q603
RST_OUT
87
V33R
103
D608
DVDD_OUTREG4_DVDD
91
TSBV_OUTREG_TSBV
102
2.1VREG_IN
B+ SWITCH
Q601
VREC
112
VRECIN
81
VRECIN
80
DW_1T
3
DW_1B
2
CHG_PWM
211
I_SEL2
197
CHG_MON
117
CHG_CTL
238
MDVCC_CTL
303
VBUS_VB_CTL
MDVCC_CTL
VBUS_VB_CTL
237
I_SEL1
196
IAMP_CTL
239
IAMP_CAL_MODE
177
XGUM_ON
S401
(BATTERY INSERT DETECT)
181
CHG_SEL
205
VBUS_DET
221
RST_CONT
170
USBIC_SLEEP
194
USBHOLD
288
SUSPEND
286
XCS_REC_USB
VBUS_DET
RST_CONT
USBIC_SLEEP
USBHOLD
SUSPEND
XCS_REC_USB
218
IAMP_CAL
CHG_PWM
I_SEL2
CHG_MON
CHG_CTL
I_SEL1
IAMP_CTL
IAMP_CAL_MODE
CHG_SEL
IAMP_CAL
CHG_PWM
I_SEL2
CHG_MON
CHG_CTL
I_SEL1
IAMP_CTL
IAMP_CAL_MODE
BATT_MINUS_MON
USB_CHARGE
XI_SENSE
CHG_SEL
IAMP_CAL
212
B+ SWITCH
CONTROL
Q604
B+ SWITCH
Q501, 502
VREC
XI_SENSE
195
USB_CHARGE
209
XI_SENSE
USB_CHARGE
RECP
RECP
176
VBUS_DET
RST_CONT
USBIC_SLEEP
USBHOLD
SUSPEND
XCS_REC_USB
RECP
67
RECP
BATT_MINUS_MON
125
D983
REG5_REG
+3.1V
DETECT
IC981
XDRAMVDD_SEL
FCRAMVDD
VB
264
DRAM_HOLD_DET
128
DRAM_ALONE
265
DRAM_VDD_CLR
263
LEVEL SHIFT
Q983
REGULATOR
ON/OFF
Q981
DISCHARGE
SWITCH
Q802
POWER SOURCE
SELECT
Q984
+1.2V
REGULATOR
IC802
+2.3V
REGULATOR
IC804
DRAM HOLD
DETECT
Q982
+2.2V
REGULATOR
IC982
C
D
A
RMC_KEY
B
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