Sony PHA-2 Service Manual ▷ View online
PHA-2
9
SECTION 3
DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω and 1/4 W or less unless otherwise
specifi ed.
• US and Canadian models only
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• MAIN board is multi-layer printed board. However, the
patterns of intermediate layers have not been included in
diagrams.
diagrams.
PHA-2
10
3-1. SCHEMATIC DIAGRAM - SW Board -
• Described to the reference for US and Canadian models.
R0402
1
2
R0402
1
2
L0402(1005)
12
R0402
1
2
1
2
3
4
5
6
7
8
9
10
R302 *51K
R303
*120K
*120K
RV301
TVM0xx
R301
*30K
*30K
TP301
TP302
SW301
MSS14-Q
AN_0V76
INPUT_SELECT
WM_1V47
APP_2V2
PC_0V75
A
3
6
2
5
B
C
1
4
SW BOARD
PHA-2
PHA-2
11
11
3-2. PRINTED WIRING BOARDS - MAIN Section -
• Described to the reference for US and Canadian models.
C160
Y1
C167
R156
C177
R172
R300
H5
R358
C176
C217
R267
RV14
R278 R277
C218
C224
C175
C225
R269
R335
R359
TP29
TP118
R255
R254
C221
C221
C164
R308
R294
C151
C125
C133
L3
C136
U32
C134
C146 R135
R177
R323
Q22
C246
L6
Q21
U56
U16
Q19
Q18
Q6
Q20
Q7
D6
R200
C206
R307
TP81
R292
R97
R330
TP3
TP126
R360
H4
C79
C77
R324
R198
C126
C89
C90
R199
R321
C110
C110
U26
U21
L1
C93
C91
R100
R105
R104
TP8
C111
C92
C99
C114
L2
C109
Q11
D2
D10
U23
U25
U27
U22
C181
R322
J2
JC3
R98
C121
C122
TP109
C163
R158
R157
R157
R256
R274
TP111
JC5
TP20
R241
R159
R160
R240
R159
R160
R240
R214
R344
R238
R259
R257
R258
R346
R237
R343
C142
C162
TP119
TP121
TP120
C165
C143
R213
R147
C186
C186
C144 R136
R128
R122
R178
R179
R302
R43
SW1
RV3
C8
C100
C105
R8
R106
R101
R329
C157
C228
R155
SW2
TP106
R110
R109
C243
C243
C106
C95
C101
R14
U7
D13
C31
C28
C19
C47
SW3
C48
C36
R44
R42
R304
R40
R286
C2
H1
C1
R356
R355
C247
R251
C107
C117
C97
R5
U3
U6
C41
H2
C40
C12
C11
C10
C14
R3
C120
R117
R7
C108
C94
C38
C39
C96
R115
C119
C118
C244
R341
R103
R176
R328
R154
R361
C250
C13
R10
R45
R4
R2
R1
R20
R77
Q1
R353
R6
C5
R75
C6
R41
C49
D12
D11
R13
R12
R15
RV12
R310
R119
R114
R38
R108
C182
C182
C103
C69
C104
TP46
TP45
TP43
TP42
TP44
TP47
H3
C132
C68
C196
TP116
U50
U51
TP117
C52
C66
C198
C128
C127
R243
R144
R137
R211
C236
RV13
R266
R268
R271
R270
R273
R272
C223
C161
R161
R130
R325
R339
R340
R252
R253
C168
C205
C98
R107
R102
C113
C112
C153
R111
R138
R131
C135
C137
C138
C116
R113
R112
R139
R116
C184
C115
RV10
TP60
TP59
R303
C88
C73
RV6
R287
R127
R123
C123
C76
R99
BAT_-1
BAT_THM1
C166
R239
R120
R332
R331
R351
R345
R350
C141
C145
C64
C63
R134
R133
C131
C185
C195
C70
C220
C219
R124
C102
C139
R118
Q13
R275
RV17
C222
RV16
R265
+3VX_1
TDO_0
RXD_0
TP17
TP18
TP14
TP54
TP4
TP72
R309
TP108
R185
TP5
BAT_+1
TP110
TP10
R92
R208
R132
C140
C234
R357
R150
R298
C235
L9
C248
C212
C214
ESD1
R348
R280
R282
R142
C147
C147
R143
C148
C148
R95
F1
TXD_0
RST_N_0
TCK_0
TDI_0
TMS_0
M_SEL_0
DEBUG_N_0
TP75
TP73
TP69
R234
R232
R232
TP68
TP67
TP70
TP93
TP99 TP98
C172
C50
C199
TP123
TP96
TP92
TP66
TP71
TP102
TP101
TP103
TP104
TP94
TP89
TP90
TP91
TP95
TP100
R318
R174
R291
R284
R285
R152
R207
R210
R209
R121
R334
R297
C216
C87
C150
RESET_0
TOOL0_0
R333
R146
R145
R184
R336
C213
R153
R342
R201
R283
RV9
RV11
RV7
RV8
R86
R90
R289
R288
C84
R171
R87
C83
C82
R164
R262
R281
R279
R327
C154 C155
R326
R149
R148
R148
R186
R188
R187
R338
R337
R337
R305
R170
C156
C203
C201
C202
C241
C159
C158
R319
R320
R233
R231
R230
R229
R228
R227
R225
R223
R218
R317
C238
R219
R220
R221
R222
R224
R226
R235
C60
C57
C56
C54
C55
C191
C192
C194
R194
R192
C193
R193
R60
C65
C67
C72
C3
C4
C7
C9
R27
R17
R37
R36
C209
C32
C23
C33
C34
C17
C18
C229
C226
C251
R362
R82
R363
R354
RV2
RV4
RV5
R21
C46
C30
C44
C26
C27
C45
RV1
R28
R16
R202
C211
R62
R65
R72
R70
R73
R312
R69
C61
R61
R63
R71
R68
R191
C58
R236
R242
TP65
C242
R196
R301
R306
R195
R352
R197
L4
L7
C245
C188
C239
C187
C179
TP76
TP84
TP85
TP122
TP112
TP87
TP86
TP62
TP61
TP77
TP74
R162
C178
R173
R293
R290
R183
R212
R216
R215
R217
R215
R217
R311
R182
R181
R180
R181
R180
C169
C170
C170
C237
C171
R349
R316
U44
Q4
Q2
D1
Q32
Q10
Q9
U20
D3
D5
Q24
U47
U31
D8
U34
U58
Q23
U37
D14
D9
U38
U40
U41
U15
U1
U10
U45
Q30
U5
U11
U4
U48
U49
Q3
U9
U12
U8
Q31
U2
U46
U13
R248
R189
R190
C51
C200
C197
C53
C21
C20
C35
TP1
TP2
R29
R205
R30
R203
R364
R23
C210
R347
C16
R9
R18
R19
R33
R34
R35
TP125
R11
C15
C227
R163
R83
R32
R22
C24
C22
C25
C208
R204
R64
R247
U59
Q25
D7
U42
U57
U52
Q15
Q14
Q17
U35
LED3
LED5
LED4
U28
LED6
U39
Q29
Q26
Q28
Q27
U33
U29
U24
U53
U60
U61
U36
JC4
C29
C43
C42
R26
(POWER/VOLUME)
C37
LED2
LED1
JC2
JC1
TP301
TP302
RV301
R301
6
1
R303 R302
SW301
MAIN BOARD
(COMPONENT SIDE)
MAIN BOARD
(CONDUCTOR SIDE)
SW BOARD
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
12
13
K
DIGITAL IN
1
5
(COMPUTER/CHARGING)
DIGITAL IN
(WALKMAN)
1
4
5
4
1
5
S G
D
S
G
G
S
E
B
B
C
S
G
D
D
1
1
5
10
6
1
5
10
6
G
D
K
K
1
5
15
10
6
16
20
11
A
1
4
8
4
6
3
1
2
1
3
4
5
A
S
5
10
6
D
G
S
S
D
K
A
8
8
3
1
BT1
LITHIUM
ION
BATTERY
PACK
1
4
DIGITAL IN
(iPod/iPhone/iPad)
K
2
1
3
1
4
8
5
4
4
G
G S
S
D
D
G S
D
G S
D
6
1
3
1
5
6
10
20
16
15
11
1
5
6
1
4
1
4
1
4
8
5
1
4
8
5
8
5
8
5
10
20
16
15
11
6
4
3
1
G S
D
A
A
A
A
K
4
3
D
D
D
S
G
G S
S
1
5
1
4
4
3
4
1
5
12
1
25
24
13
37
48
36
G
S
D
4
6
3
1
1
14
28
15
5
8
4
1
5
8
8
5
1
4
8
5
1
4
4
1
5
8
8
5
1
4
8
5
5
8
8
5
1
4
4
S
G
D
1
1
4
8
5
5
8
4
1
1
4
4
1
5
8
4
1
4
6
3
1
8
5
1
6
10
10
6
G S
S
G
G
G
S
D
G
S
D
D
G S
D
D
12
5
1
6
10
9
1
16
13
5
8
4
G S
A
A
K
A
K
A
K
K
3
1
4
6
D
1
5
5
1
6
10
1
2
8
5
G
D
S
G
3
1
4
6
1
2
K
K
RED
BLK
A
K
A
A
K
K
G
S
D
5
8
4
1
K
LED1, 3 - 6
A
K
A
SW3
LINE OUT
PHONES
OUTPUT
SELECT
SW1
HIGH
NORMAL
GAIN
POWER
CHG
G
S
D
K
A
PHONES
AUDIO IN
LINE OUT
LINE OUT
8
5
1
4
8
5
G S
D
1
11
20
10
5
8
4
1
5
8
4
1
1
4
K
K
A
A
A
K
D
S
G
G
K
M1 L1 K1 J1 H1 G1 F1
U37
E1 D1 C1 B1 A1
M2 L2 K2 J2 H2 G2 F2 E2 D2 C2 B2 A2
M3 L3
B3 A3
M4 L4
B4 A4
M5 L5
H5 G5 F5 E5
B5 A5
M6 L6
H6 G6 F6 E6
B6 A6
M7 L7
H7 G7 F7 E7
B7 A7
M8 L8
H8 G8 F8 E8
B8 A8
M9 L9
B9 A9
M10 L10
B10 A10
M11 L11 K11 J11 H11 G11 F11 E11 D11 C11 B11 A11
M12 L12 K12 J12 H12 G12 F12 E12 D12 C12 B12 A12
RED
BLK
COMPUTER iPod/iPhone/iPad WALKMAN AUDIO IN
(INPUT SELECT)
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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