Schematic Diagram -Audio Section (2/3) - Sony ICD-UX71 Service Manual

ICD-UX71/UX71F/UX81/UX81F/UX91F
4-5. SCHEMATIC DIAGRAM – AUDIO Section (2/3) –
1 2 3 4
AUDIO BOARD (2/3)
A
JL2002
+
DRY BATTERY
SIZE"AAA"
(IEC DESIGNATION LR03) JL2003 -
1PCS,1.5V
B
C
AUDIO BATT_LEVEL
6
BOARD
BATT_LEVEL_MEASURE
(3/3)
(Page 17)
CHARGE_ON
EXCEPT LA MODEL
D
VBUS
R2004
470k
E
D2000
DA221M-T2L
R2000 C2000
10k 0.1u
C2002 R2003
0.47u 1M
F
DGND
CPU_VDD_3.1
CHARGE_MEASURE_ON
G
H
BATT_CHARGE_LEVEL
AUDIO
7
BOARD
(3/3)
FM_POWER_ON
(Page 17)
AUDIO_POWER_ON
I
HOLD
CPU_POWER_ON
VCC_3.3
R2002
1M 2SJ0674G0LS0
J
VCC +3.3V REG
AIRQ
K
L
BACKLIGHT
M
N
ICD-UX71/UX71F/UX81/UX81F/UX91F
• See page 22 for IC Block Diagrams.
5 6 7 8
Q2007
VOLTAGE DETECTOR
IC2001
R2009
10k
CONSUMPTION VOLTAGE DETECTOR
IC2001
R2016
PST8408UL Q2007
100k
LM6K1FS8T2R
1.5
GND OUT
1.5 0.7 1.5 1.5
VIN CD
6 3
0.6 5 3
2
R2017 1 4
22k
C2007 1.5
C2014
1u 0.01u
R2018
47k
C2031
0.1u
Q2005
RUF025N02TL
RZF030P01TL
CHARGE SWITCH
IC2005 IC B/D
R2074
220 CHARGE CONTROL
IC2005
C2045
XC9226A18CMR
2.2u
R2021
L2002
0.22
R2025
4.7uH
R2073
1k VIN
LX
470k
Vss
R2023
R2019
VOUT
1k
1k
CE R2015
0
C2047 C2009
Q2001
1u 10u
LM6K1FS8T2R
R2024
CHARGE ON
R2020
22k
CONTROL SWITCH 22k
R2007
1M
Q2003
EM6M1T2R
CHARGE CONTROL SWITCH
D2003
1SS400TE-61
D2008
JL2000
DAN222MT2L
Q2002
LSK3541FS8T2L
9 10 11 12
IC B/D
IC2004
DC/DC CONVERTER
IC2004
LTC3526LEDC
L2001
4.7uH
1.5 3.2
SW
VOUT
1.2
GND FB
1.5 1.4
VIN GND SHDN
R2022
100k 7
C2026
R2027
0
C2006
C2015
47u
1u
10V
IC B/D
IC2002
USB DETECT
IC2002
Q2017 TK77335AM4
NC NC
0.1 0.2
Vin Vout
GND
NC
0.1 0.1
Vcont Np C2048
C2046
0.1u
0.1u C2023
0.1u
D2010
1SS400TE-61
IC B/D
IC2013
BATTERY CHARGE AMP
IC2013 C2020
NJM2746RB1(TE2) 0.1u
OUT1
VCC
IN1
OUT2
IN1 IN2
R2029
GND IN2
C2022
220k
0.1u
0.5%
R2030
68k
0.5%
R2034
1k
R2026
0.5%
4700
0.5%
R2031
R2028
820
100k
0.5%
0.5%
EXCEPT LA MODEL
* R2076
0 (LA)
100 (EXCEPT LA)
IC B/D
Q2018
IC2003
RUF025N02TL
SWITCH
DC/DC CONVERTER
1.5 1.5
IC2003
Q2009
XC9128D45CDR
LSK3541FS8T2L
EXCEPT LA MODEL
2.8
SWITCH
2.8 L2000 1.8
PGND
VOUT
4.7uH
0.2 1.5
C2028
Lx MODE
R2076
8p
1.5 0
BAT
FB
1.5
Q2019 EN
AGND
FO VSS AEN
SWITCH
C2005 11 R2049
C2018
R2011
47u 220k
0.1u
470k
10V 0.5%
R2050
22k
R2032 0.4 0.5%
100k
0
16 16
13 14 15 16
JL2005
R2038
1M
IC2007
22p
CPU VDD +3.1V REG
R2039 IC2007
470k MM3273BURE
C2029 C2011
1u 47u
VIN
CE
10V
VOUT
VSS
R2040
100k
C2035
0.1u
IC2008
CPU PLL2 +2.8V REG
IC2008
MM3272JURE
CE
VIN
VSS
VOUT
C2034
0.1u
IC2012
CODEC VDD +3V REG
IC2012
MM3273AURE
CE VIN
VSS
VOUT
R2055
1M
R2053
470k
Q2015
US6K4TR
VDD SPAMP SWITCH
3 6
Q2013
LM6K1FS8T2R
5 2
VDD SPAMP SWITCH
4 1
Q2014
2SD2652T106
VDD SPAMP SWITCH
R2057
1k
R2058 C2036
3.3k 0.1u
R2044
330k
0.5%
R2045
100k
0.5%
C2024
C2010
1u
47u
R2046
10V
10k
0.5%
17 18 19 20
VCC_3.3
JL2009
CPU_VDD_3.1
C2037
47u
AUDIO
10V
8
BOARD
(3/3)
(Page 17)
JL2006
CPU_PLL2_2.8
UX71F/UX81F/UX91F
Q2016
2SJ0674G0LS0
FM VDD +3V SWITCH
FM_VDD_3.0
R2065
C2038 AUDIO
100k
1u 4
BOARD
(1/3)
(Page 15)
JL2010
CODEC_VDD_3.0
C2044 C2049
0.1u 10u
AUDIO
1
BOARD
VDD_SPAMP
(1/3)
(Page 15)
JL2004
AUDIO
9
BOARD
UNREG_2.4
(3/3)
(Page 17)