Block Diagram - Power Section - Sony PCM-D50 Service Manual

PCM-D50
4-3. BLOCK DIAGRAM – POWER Section –
+2.9V REG.
IC2303
J2301
SIRCS
SIRCS_KEY_STOP
NETWORK
SIRCS_KEY_REC
SWITCH
SIRCS_KEY_PAUSE
Q2204,
SIRCS_KEY_DIVIDE
Q2205
LED_ANSWER
LED DRIVER
Q2301
KEY_AD3
S2207
KEY_AD2
PLAY/ENTER
KEY NETWORK
KEY_AD1
S2203–2205,
S2208
KEY NETWORK
S2202, 2206, KEY_AD0
S2209, 2210,
S2212
S2201
KEY_REC
REC
S2211
KEY_HOLD
HOLD
ON
OFF
S2213
DPC
KEY_XDPC
ON
KEY WAKE DETECT
OFF
Q2206, 2207
ACCESS D2202
LED_ORANGE
LED
PAUSE D2204 LED_YELLOW
DRIVE
Q2202,
LED_RED
REC D2201
2203
LED_GREEN
PLAY/ENTER D2203
D4253
PEAK LEVEL
PKLED_L_RED
LED
(L-CH)
D4252
DRIVE PKLED_L_GRE
Q4220, PKLED_R_RED
D4251
4221
PEAK LEVEL PKLED_R_GRE
(R-CH)
D4250
PCM-D50
DDCOUT33
Q2302
SIRCS CONTROL
IC2301
5 P120/INTP0/EXLVI
AD
18 P30/INTP2/OCD1A
SECTION
P14/RXD6 22 TX
(Page 20)
P13/TXD6 23 RX
P32/INTP3/OCD1B 16 DATA
P31/INTP2/OCD1A 17 (OCD)
P122/X2/EXCLK/OCD03 8 CLK
1 ANI1/P21 FLMD0 7 FLMD0
2 ANI0/P20 RESET_OUT
3 P01/TI010/TO00
4 P00/TI000
6 nRESET
SYSTEM CONTROL/DSP
IC1001 (3/3)
VBUS_SELF_PWR
AD23 PWM1 IIC_SCL AC19
AA1
GPIO11
L3 SDR_DATA21 PSW_VCCVBUS
VCCVBUS A17
MICVCC_CONT
B8 ADIN8 CAM_YUV5 AD10
AD5_CONT
CAM_YUV3 AB11
DVCC_CONT
C8 ADIN7 CAM_YUV2 AC11
VLO W26
VDD_L0
B7 ADIN6 L1401
DD1LX1 AF14 VDD_L1
DD1LX2 AF15
VPLL U25 VDD_PLL
C7 ADIN5 ADVCC B9
VDD_ADC
DD2VFBSW AE4 VDD_IOA
VGP1 AF20 VDD_GP1
VDD_GP2
AD3 GPIO2 VGP2 AF22
BATT_AD
ADIN3 C6
AD4 GPIO1
VDD_ANA
VANA AA26
DDC_PWM
IIC_SDA AD19
ADA_PWM
CAM_YUV6 AC10
POWERSW_OFF_DET
AB2 GPIO8 GPIO12 Y3
VCCVBAT1 B17,D17
AD5 GPIO0
BATSEL E10
D_TDO V18
H3 SDR_DATA25
L1
SDR_DATA23
L5 SDR_DATA24
L2 SDR_DATA22 HP_CONT
CAM_YUV0 AE11
BKBAT AD17
J4 SDR_DATA29
K4 SDR_DATA28
H4 ADIN4 B6
SDR_DATA27
K5 SDR_DATA26 VCCADP B17
+5V REG.
MIC BIAS
IC3203
+5V REG.
+MIC VCC
IC3202
-5V REG.
-MIC VCC
IC3201
MICVCC_CONT
+5V REG.
AD_VCC
DVCC_CONT IC3207
E
DVCC_CONT
+5V REG.
AD+5VCC
IC3206
AD5_CONT
-5V REG.
AD-5VCC
IC3205
+3.1V REG.
+3.1V
IC1501
(IC1503)
+1.5V REG.
+1.5V
IC1502
(IC1503)
VDD_IOP
DDCOUT33
+2.8V REG.
+D2.85VCC
IC3209
DA
PSW_VCCBUS
D Q2026 (1/2)
SECTION
(Page 21)
-5.3V UPDDC
-5V REG.
-5V
IC4201
+5V REG.
+5V
IC4202
+5.3V UPDDC
+5V REG.
+5V
IC4203
(IC4005)
Q1401,1402
LEVEL BUFFER
IC1401
POWER_ON
UNREG
+3.5V +3.5V REG.
IC4204
(IC4008)
RTC_BKBAT
BH1401
Li-ion
BATTERY
22 22
VBUS
DA
C
SECTION
(Page 21)
VBUS LEVEL
DETECT
IC2002
+3.3V REG.
IC2103
L2103 VBUS SWITCH
5 LX VIN 1 Q2008,
Q2001, 2023
4 VOUT CE 3
Q2113,
Q2114
L2101
SWITCHING
Q2102
LEVEL DETECT
IC2105 D2102
1 VOUT VIN 3 1
VSEN 4 3
FB1 EXT1
Q2026
(2/2)
VCC_VBUS
8 FB2 EXT2
10
L2103
L2105
SWITCHING
Q2103
D2105
L2104 D2106 L2102
SWITCHING
Q2104
1
SWITCHING
8 EXT2 EXT1
Q2105, 2106
6 FB
DC-DC CONVERTER
IC2101
S2002
POWER
OFF
Q2020 (2/2)
ON
B+ SWITCH B+ SWITCH
Q2030, 2020 (1/2) Q2017, 2019
BATTERY LEVEL
DETECT
IC2004
+3.3V REG. B+ SWITCH
IC2001 Q2016, 2011
DC IN
DELAY SWITCH
DETECT
IC2003
VCC_ADP
Q2028
BATT LEVEL DETECT
IC2005
DC-DC CONVERTER
IC2102
2
VDD
DDC_PWM
PWM1 4
PWM2 7
EN2 6
ADA_PWM
VCC 2
PWM 3
CE 4
UNREG
+
DRY BATTERY
SIZE "A"
(IEC DESIGNATION LR6)
DELAY
4PCS. 6V
Q2005, 2009
–
J3301
DC IN 6V
– +
Q2006