Read Sony PHA-2 Service Manual online
PHA-2
PHA-2
12
12
3-3. SCHEMATIC DIAGRAM - MAIN Board (1/7) -
• Described to the reference for US and Canadian models.
MOSI_DAC_DATA
MISO_SCLK
SCK_LRCK
I2C_SDA
I2C_SCL
DAC_RST
D_MCLK
DAC_L
DAC_R
+5VF
-5VF
+3.3VF
PGND
PGND
VP
+5VP
-5VP
+5VA
-5VA
ZEROR
LDO_EN
POWER_DELAY
DCDC_EN_1
VP
INPUT_SELECT
+3.3VD
+3.3VF
PGND
+3.3VX
+3.3VU
DEV_VBUS
USB_+5VD
V_BUS
+3.3VX
XMOS_PS_SUS_STA
XMOS_ENU_STA
CHG_D+
CHG_D-
CHG_EN2C
CHG_EN1C
CHG_CE
POWER_LED
CHARGE_LED
DCDC_EN_2
POWER_LED
CHARGE_LED
USB_+5VD
USB_+5VD
V_BUS
VP
+3.3VD
PGND
TEMP_CHECK
CHG_STA
INPUT_SELECT
XMOS_PS_SUS_STA
XMOS_ENU_STA
MUTE
ZEROL
CHG_TD
CHG_STA
LDO_EN
POWER_DELAY
DCDC_EN_1
CHG_D-
CHG_D+
CHG_EN2C
CHG_EN1C
CHG_CE
INPUT_SELECT500100
INPUT_SELECTAB
INPUT_SELECT500100
INPUT_SELECTAB
BATTERY_CHECK
+3.3VU
+3.3VD
PGND
POWER_SW_IN
BATTERY_CHECK
TEMP_CHECK
VP
PWR_ON
PWR_ON
CHG_PGOOD
LINE_AMP_SEL
LINE_OUT_EN
ANALOG_DIGITAL_SEL
CHG_PGOOD
XMOS_BUS_SEL2
XMOS_BUS_SEL2
DEV_VBUS
V_BUS
+5VP
-5VP
+5VA
-5VA
+5VF
-5VF
+5.5V
-5.5V
+5.5V
-5.5V
VBUS_EN_CHG
VBUS_EN_CHG
PGND
V_BUS
DCDC_EN_2
PGND
+3.3VD
POWER_SW_IN
ANALOG_DIGITAL_SEL
DSD_MUTE
DSD_MUTE
LINE_AMP_SEL
LINE_OUT_EN
MUTE
+3.3VF
+5VF
PGND
DAC_L
DAC_R
ZEROL
ZEROR
DAC_RST
SCK_LRCK
MOSI_DAC_DATA
MISO_SCLK
-5VF
I2C_SDA
I2C_SCL
D_MCLK
+3.3VD
PGND
TEMP_CHECK
CHARGE_LED
POWER_LED
CHG_CE
INPUT_SELECT
BATTERY_CHECK
POWER_DELAY
DCDC_EN_1
DCDC_EN_2
LDO_EN
CHG_STA
POWER_SW_IN
XMOS_PS_SUS_STA
XMOS_ENU_STA
CHG_D+
CHG_D-
+3.3VU
USB_+5VD
XMOS_INPUT_SELECT500100
XMOS_INPUT_SELECTAB
VP
PWR_ON
LINE_AMP_SEL
CHG_PGOOD
ANALOG_DIGITAL_SEL
LINE_OUT_EN
CHG_EN2C
CHG_EN1C
XMOS_BUS_SEL2
VBUS_EN_CHG
V_BUS
MUTE
-5VA
+5VA
VP
PGND
+5VP
+5VF
-5VP
-5VF
+3.3VX
LDO_EN
INPUT_SELECT
POWER_DELAY
+3.3VF
+3.3VD
V_BUS
+3.3VU
DEV_VBUS
DCDC_EN_1
PWR_ON
+5.5V
-5.5V
DCDC_EN_2
VP
CHARGE_LED
PGND
V_BUS
TEMP_CHECK
CHG_CE
CHG_TD
+3.3VD
POWER_LED
USB_+5VD
CHG_STA
BATTERY_CHECK
CHG_PGOOD
CHG_EN2C
CHG_EN1C
VBUS_EN_CHG
-5VA
+5VA
+5VP
-5VP
PGND
VP
DAC_R
DAC_L
ANALOG_DIGITAL_SEL
POWER_SW_IN
LINE_AMP_SEL
LINE_OUT_EN
+5.5V
-5.5V
MUTE
DSD_MUTE
DEV_VBUS
USB_+5VD
CHG_D+
CHG_D-
V_BUS
I2C_SDA
DAC_RST
SCK_LRCK
XMOS_ENU_STA
MOSI_DAC_DATA
MISO_SCLK
XMOS_PS_SUS_STA
I2C_SCL
PGND
+3.3VX
XMOS_INPUT_SELECT500100
XMOS_INPUT_SELECTAB
XMOS_BUS_SEL2
D_MCLK
+3.3VD
DSD_MUTE
Audio_Codec
System_Controller
Power
BAT_Charger
Analog
USB_Audio_Processor
Audio_Codec
TP104
TP104
H2
H2
System_Controller
Power
BAT_Charger
Analog
H3
H3
TP123
TP123
TP108
TP108
R304
0
R304
0
H4
H4
TP110
TP110
USB_Audio_Processor
H1
H1
TP103
TP103
TP112
TP112
H5
H5
TP109
TP109
R302
0
R302
0
TP125
TP125
OPEN
OPEN
1
2
R0603
OPEN
R0603
OPEN
1
2
R0603
OPEN
R0603
OPEN
OPEN
OPEN
A
3
8
6
E
2
9
D
5
B
C
7
1
4
(1/7)
MAIN BOARD
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