Schematic Diagram - Power Section (1/4) - Sony PCM-D50 Service Manual

4-22. SCHEMATIC DIAGRAM – POWER Section (1/4) –
1 2
KEY_REC
KEY_AD3
A
KEY_AD2
POWER
KEY_AD1
9
BOARD
KEY_AD0
(3/4)
KEY_WAKE
(Page 43)
KEY_XDPC
KEY_HOLD
CN2002
30P
KEY_HOLD 1
B
KEY_XDPC 2
KEY_WAKE 3
KEY_AD0 4
KEY_AD1 5
KEY_AD2 6
KEY_AD3 7
KEY_REC 8
LED_RED 9
LED_GREEN 10
LED_YELLOW 11
C
LED_ORANGE 12
K0_XRESET 13
VDD_GP1 14
SYSTEM
VDD_GP2 15
D
BOARD
(5/5) DGND 16
CN1601
VBATT_AD 17
(Page 38)
RTC_VDD 18
POWER_ON 19
VCC_ADP 20
VCC_VBUS 21
D
ADA_PWR 22
DDC_PWM 23
RESERVE 24
POWERSW_OFF_XDET 25
BLCD_LIGHT 26
VDD_PUP 27
SIRCS_XDET 28
LED_ANSWER 29
VBUS_SELF_PWR 30
E
LED_ANSWER
SIRCS_XDET
POWER
2
K0_XRESET
BOARD
(4/4)
VDD_DDCOUT33
(Page 44)
DGND
BLCD_LIGHT
LED_ORANGE
POWER LED_YELLOW
7
BOARD
LED_GREEN
(3/4)
F
LED_RED
(Page 43)
DGND
+5.3VUPDDC
POWER
12
BOARD -5.3VUPDDC
(2/4)
DGND
(Page 42)
JL2011
BATT
JL2012
BATT_DC_GND
JL2013
UNREG
JL2014
AD
G -5.3VUPDDC
C
JL2015
BOARD
+5.3VUPDDC
(3/3)
JL2016
AGND
(Page 27)
JL2018
DC_IN
JL2019
DDCOUT33
H
PCM-D50
• See page 50 for IC Block Diagrams.
3 4 5
POWER BOARD (1/4)
0 0
4 2
0
3 1
R2010
1M
0
0 0
2 1
C2006
0.1u
IC B/D
3 4
IC2002
VBUS LEVEL DETECT
C2003
2.2u
D2003
1SS400TE-61
IC2001
XC6201P312MR
6.3 VIN
C2002 VOUT
1u
VSS
NC
NC
JL2001
IC2001
R2026 R2062
0 0
+3.2V REG
JL2008 JL2009
(CHASSIS) (CHASSIS)
6 7 8
Q2008
R2002
MTM231230LSO
0
0 S 0
R2018
0
0
Q2028
ECH8605-TL-E
SWITCH Q2001,2008,2023
VBUS SWITCH
IC B/D
0 0
0 0 6 3
2 5
2 1
0 2.8
4
1
C2018 Q2001
0.1u 0
EM6K1-T2R
0
0
6.1
3 4
IC2005
BATTERY LEVEL DETECT
6.3
Q2006
JL2003
RSE002P03TL
DELAY SWITCH
Q2016
4
0
ECH8605-TL-E
6.3 S 6.3 B+ SWITCH
3
6.3 6.1 6.3
2 1
JL2004
C2008
6.1
0.1u
3 4
C2009
0.001u
Q2011
IC B/D IC2003
UNR32A400LS0
B+ SWITCH
DC IN DETECT
R2025
R2022
2.2M
2.2M
3.1 0
C2007 1.5
1u 3
6
C2004 5
0 2
1u
Q2005
0.2
UNR32A400LS0
Q2009
6 EM6M1T2R
1 4
0.2
41 41
9 10
JL2010
R2061
0
0 0
6 3
2 5 POWER
2.9
OFF ON
S2002
1 4
5 4
Q2026
EM6K1-T2R
OR
JL2002 JL2005
6.3
2
0
Q2030
FDS4935BZ
1
C2019
6.3 6.3
470u
10V
0 4 2 0
3 1
0
0
6.3 6 3
2.8 2
Q2020
1
4
EM6K1-T2R
0.2
Q2019
R2036 R2038
R2035
ECH8631-S-TL-E
33k ±0.5%
10k ±0.5% 0
5.8
2
0 0
1
R2041
2 1
470k
R2044
±0.5%
1M
R2042
33k
±0.5%
0
C2013
R2043
0.1u
3 4 470k
±0.5%
IC2004
BATTERY LEVEL DETECT
PCM-D50
11 12
(Page 42)
VDD_DDCOUT33
POWER
1
VBUS_1 BOARD
(2/4)
VBUS_IN
POWER (Page
VDD_GP2
3
BOARD
43)
VDD_GP1
(3/4)
5 POWER
VBUS_1
BOARD
(4/4)
(Page 44)
DDC_PWM
ADA_PWR
POWER
6
BOARD
(2/4)
(Page 42)
VBUS_XSELF_CTL
UNREG
R2048
100k
2.8
5 0
R2050
1M
6.3
5.8
4
3
6.1
5.8