Read Sony PHA-1A / PHA-1AEU Service Manual online
PHA-1A/1AEU
PHA-1A/1AEU
9
9
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM
VOLUME BOARD
3
2
4
1
CN601
INPUT
(FOR PC/WALKMAN/Xperia)
3
2
1
CN602
INPUT
(FOR iPhone/iPad/iPod)
USBDP
SDAT_IN_AUX
BCLK_IN_AUX
LRCK_IN_AUX
MCLK_IN
BCLK_IN_AUX
LRCK_IN_AUX
MCLK_IN
AUX_SW
6
89
USBDM
5
XMDAC_SDOUT0
93
XMDAC_SCLK
94
XMDAC_LRCK
95
XMDAC_MCLK
XPEE_D0 – XPEE_D7
XPEE_A0 – XPEE_A15
VCCHSRT
2
VCCA_U20
7
VDD33_VF
XPEE_WRN
83
XPEE_CEN
82
XPEE_RDN
84
B+ SWITCH
Q404, 405
B+ SWITCH
Q595, 710
B+ SWITCH
Q711 – 713
B+ SWITCH
Q401, 403
B+ SWITCH
Q501, 502
FLASH MEMORY
IC602
WE
CE
OE
DQ0 – DQ7
A0 – A15
7
30
32
32
CP_RST
21
CP_SDA
13
CP_SCL
12
MFI
IC403
RST
SDA
SCL
7
2
6
6
26
SDAT_OUT
27
BCLK_OUT
28
LRCK_OUT
18
MCLK_OUT
54
23
24
25
17
24
25
17
16
XGPIO_7
1
XSCO
100
XSCI
43
MUTE 1
44
MUTE 2
UHD+
38
UHD–
37
VBUS-OFF
48
45
LED1
AUX SWITCH
Q402
AUDIO AMP
IC001
HEADPHONE AMP
IC002
MUTING
SWITCH
SWITCH
Q002
GAIN
CONTROL
IC101
OVER VOLTAGE
PROTECT
IC704
OVER CURRENT
PROTECT
IC509
CURRENT LIMIT
SWITCH
Q719 – 721
CURRENT LIMIT
CONTROL
Q718
X601
12MHz
7
CF2
6
CF1
X401
12MHz
1
SERIAL-SW
46
BATT_CK
USB AUDIO PROCESSOR
IC601
USB CONTROLLER
IC401
DIN
BCKIN
LRCIN
SCLK
BCKIN
LRCIN
SCLK
2
3
1
5
3
1
5
D/A CONVERTER
IC301
R-CH
R-CH
R-CH
VDD33_VF
2
/RES
VDD33_VF
D+
D–
VBUS
VOLTAGE LEVEL
DETECT
IC705
DC/DC
CONVERTER
IC507
POWER
CONTROL
Q508, 509
POWER
CONTROL
IC511
+3.3V
REGULATOR
IC510
+5V
REGULATOR
IC502
RESET SIGNAL
GENERATOR
IC402
RESET
SWITCH
Q722, 723
3
2
1
CN701
DC IN 5V
DC/DC
CONVERTER
IC500
S591
(WALKMAN/Xperia DETECT)
S592
(SERIAL No. WRITE)
17
VOUTLP
LOUT
16
VOUTLN
12
VOUTRP
13
VOUTRN
C_LED
RC4
RC3
RC3
1
5
6
6
RC2
7
CHD_PGOOD
4
CHARGE CONTROLLER
IC702
12
D+
9
RC0
11
D–
2
TEMP
LIN
PWR_CTRL
HP JACK BOARD
LEFT
RIGHT
DC SERVO
IC003
8
RC1
OUT
OUT
OUT
10
11
11
BATTERY CHARGER,
POWER CONTROLLER
IC701
13
IN
5
EN2
12
ILIM
3
BAT
6
EN1
9
CHG
7
PGOOD
2
BAT
BAT1
LITHIUM ION
SECONDARY BATTERY
LED DRIVE
Q702, 703,
716, 717
VDD33_VF
POWER/CHG
D701
RESET SIGNAL
GENERATOR
IC508
SOFT START
SWITCH
Q510 – 513
VDD50_VB
+5V
REGULATOR
IC504
VDD50_VD
+3.3V
REGULATOR
IC512
VDD3_3_DAC
–5V
REGULATOR
IC503
DC/DC
CONVERTER
IC501, Q503
VDDN50_VC
+3.3V
REGULATOR
IC506
VDD33_VF
–5V
REGULATOR
IC505
VDDN50_VE
: iPhone/iPad/iPod
: WALKMAN/Xperia
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
SIGNAL PATH
(GRN)
(RED)
S001
GAIN
HIGH
NORMAL
S001
GAIN
HIGH
LOW
NORMAL
F701
VDDN50_VC
VDD50_VD
GAIN
CONTROL
Q003
+
(PHA-1A)
(PHA-1AEU)
R-ch is omitted due to same
Ver. 1.1
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