Sony PHA-1 Service Manual ▷ View online
PHA-1
5
Note: When installing the MAIN board,
align the switch with the position
of the knob before installing.
:LUHVHWWLQJ
5 MAIN board
4 frame assy
2 insulating sheet
–5HDUVLGHYLHZ–
–7RSYLHZ–
knob
switch
3 screw
TP1.7 - 3.5
3 screw
TP1.7 - 3.5
3 screw
TP1.7 - 3.5
3 two screws
TP1.7 - 3.5
knob
switch
1 Remove three battery terminals.
[blue]
[red]
[black]
Note: When installing the MAIN
board, align the switch with
the position of the knob
before
installing.
2-5. LITHIUM ION BATTERY PACK (SP73)
2-6. MAIN BOARD
1 Remove the lithium ion battery pack block
in the direction of an arrow.
2 battery cushion
3 lithium ion battery pack (SP73)
PHA-1
6
SECTION 3
DIAGRAMS
Ver. 1.1
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.
•
: 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-1
PHA-1
7
7
3-1. PRINTED WIRING BOARD - MAIN Board -
Ver. 1.1
Q29
Q25
Q26
Q4
Q41
D9
Q40
Q39
Q9
D5
D2
D12
D13
Q43
Q42
Q7
D11
R263
R237
C194
C38
C40
C46
C85
C63
TP10
TP11
TP7
TP6 TP8
TP9
TP13
TP14
TP12
C57
R320
R299
R42
R41
R41
C94
C87
C4
C11
R116
R321
R321
R318 R319
R117
R125
R121 R323
R322
R114
C84
RV18 R94
R60
R61
RV11
TP5
C39
JC4
TP80
R254
R257 R251
R255
R253
R248
R259
R156 R298
R314
R317
R316
R113
L5
C75
C73
C78
R102
R105
C71
C176
C175
C62
C80
C68
C205
C204
R279
C203
C18
R20
R28
RV3
RV4
RV1
C26
R31
R278
C66
C117
R151
C76
C79
C146
C147
C60
C217
C61
C120
R159
R159
R107
C74
SW1
L7
L2
C219
R256
R247
R247
C179
TP3
TP79
TP39
TP36
TP48
TP45
TP60
TP59
TP41
TP38
TP68
TP47
TP67
TP65
TP64
TP37
TP61
R130
R274
R204 C197
C183
C182
C139
C70
R262
R104
C159
C157
C47
U42
U48
U6
U20
U8
U51
U17
U49
U19
U21
U18
U29
U15
U14
U34
U16
U13
U44
U4
U45
U53
U52
U11
U12
U22
U24
U9
U50
U5
U1
U25
U39
U3
U27
U46
U47
U2
U38
Q48
Q47
D14
R335
R334
R332
R123
C96
R92
Y1
R292
C211
C212
R62
R294
C213
R295
C214
C214
RV10
RV9
R137
RV7
RV8
TP83
TP82
TP4
TP40
C154
TP34
TP35
R232
R66
R267
R265
R266
R264
R265
R266
R264
RV6
TP81
R128 C105
Y2
TP62
TP63
TP42
TP69
TP66
RV5
RV12
RV17
RV16 C220
C221
R304
R308
R333
R286 R287
C151
C131
C132
C152
C16
C24
R289
R305
R70
R303
R67
D8
Q33
Q31
Q30 Q2
Q32
Q38
Q37
Q35
Q36
Q34
D7
U23
R293
R93
R86
C53
R86
C53
R81
R79
R79
C50
C101
TP58
TP57
TP56
C103
R132
R133
R134
R133
R134
C114
R149
R136
R139
R138
R135
R136
R139
R138
R135
R141
C48
C52
R273
TP15
Q19
R90
R89
R85
R43
R89
R85
R43
R88
R82
R78
R48
C33
C29
C156
R46
R44
R44
R187
R38
C36
C37
R9
R210
R18
TP77
TP78
R36
R32
C21
C81
C129
R52
R50
R25
(POWER/VOLUME)
R168 C41
RV2
ESDH1
R153
R152
C127
LED2
Q1
Q44
Q46
Q45
U7
C130
C15
C17
C67
R15
R276
C22
C200
R14
C5
R6
R3
C10
C186
C187
C124
C123
R39
R83
R75
C161
R87
R119
R118
R285
RV
14
C59
R99
C51
R47
R45
R49
R72
C32
C30
C31
C35
C34
C28
R4
R5
R1
R12
R2
C155
C3
C1
C2
C27
R13
R10
R1
1
C6
C8
C122
R34
R17
R21
1
C7
C1
19
C188
C189
C13
R33
C20
C201
R35
R37
R196
C153
R51
R326
R324
R197
C128
R325
R16
R21
R172
R174
R29
C23
C226
R313
R27
R173
C136
C134
C225
R23
R175
R312
C198
C199
C9
R277
C14
R73
R74
R76
R77
C196
R100
C58
C56
C54
C100
R84
R140
TP55
TP54
TP52
TP53
TP51
TP49
TP50
TP46
TP43
R171
R144
R143
R142
TP71
TP70
R291
R233
R275
R80
L1
DEBUG1
Q3
DEBUG2
DEBUG3
DEBUG4
DEBUG5
C230
C232
C231
R328
C229
U43
R283
R336
C234
R309
C227
C82
R108
R165
C83
C158
C222
RV
13
C160
R315
C178
C180
C181
R250
R258
R249
C177
R246
R252
R284
C210
R65
R58
C42
C209
R124
R120
R54
R53
F1
C44
BA
T_–
BA
T_THM
BA
T_+
R245
R235
R97
C49
C86
C95
C92
R40
R122
C88
C140
C89
R1
15
C138
C65
C77
C72
R160
R106
R109
R1
12
C1
16
R19
R24
C25
R22
R216
C202
R217
R26
R30
R1
10
R
111
R239
R240
C1
18
C69
R103
R101
C64
R260
C93
C126
R167
C218
R98
R96
R95
C55
R166
R231
R236
R63
R271
R270
C206
R282
C195
C233
R261
C228
R330
R329
R331
R193
R194
R212
R213
C107
C1
15
R238
R302
L6
R301
R147
R327
R310
R31
1
C224
C43
R306
R307
R288
R297
R
V15
R158
C125
R290
R129
C106
R337
R296
C121
C102
C184
C185
R59
LED1
JC1
JC1
SW2
JC3
MAIN BOARD
(COMPONENT SIDE)
MAIN BOARD
(CONDUCTOR SIDE)
1
1
3
5
4
1
4
C
C
D
D
D
S
S
G
G
S
G
G
D
S
5
1
5
1
10
6
1
1
1
3
1
1
3
4
3
1
1
3
5
4
4
5
3
G
S
D
1
2
A
K
E B
C
1
2
4
3
5
4
2
4
3
6
4
1
1
1
5
8
10
1
1
4
8
5
11
20
4
1
2
4
3
3
6
4
2
S G
D
G S
D
4
3
3
6
4
5
6
10
6
10
G
E
E
B
A
A
K
K
A
A
A
K
K
A
K
K
B
8
5
3
6
4
6
5
4
1
D
G
S
S
G
S
D
G
D
3
U8
A5 B5 C5 D5 E5
A4 B4 C4 D4 E4
A3 B3 C3 D3 E3
A2 B2 C2 D2 E2
A1 B1 C1 D1 E1
U6
A4 B4 C4 D4
A3 B3
D3
A2 B2
D2
A1 B1 C1 D1
DIGITAL IN
BLU
RED
BLK
BLK
BLU
BT1
LITHIUM
ION
BATTERY
PACK
RED
CHG
A
K
K1
C
4
3
1
2
D
D
D
G
S
S
G
S
G
E
B
K2
A
POWER
AUDIO IN
PHONES
1
4
1
1
1
4
8
5
1
1
4
8
5
1
1
4
8
5
4
8
5
4
8
5
4
8
5
1
4
8
5
15
14
28
1
11
S
G
D
10
6
16
20
15
5
1
12
13
24
48
37
36
25
1
1
C
C
C
E
B
B
E
B
B
E
B
4
8
33
48
16
17
32
64
49
1
1
3
C
C
C
C
6
10
K
K
A
A
5
1
D
D
G
S
S
G
B
B
B
E
E E
E
B
1
4
6
2
4
D
D
G S
G S
3
5
5
8
4
8
5
AUDIO IN DIGITAL IN
DIGITAL IN
K1
LED1
A
K2
(GREEN)
(RED)
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
K
• Described to the reference for US and Canadian models.
PHA-1
PHA-1
8
8
3-2. SCHEMATIC DIAGRAM - MAIN Board (1/7) -
Ver. 1.1
Analog
Power
iChief
USB_Audio_Controller
BAT_Charger
Audio_Codec
PGND
PGND
VP
CHG_D+
CHG_D+
CHG_D-
+3.3VD
+3.3VD
USB_+5VD
USB_+5VD
A_MODE
USB_SUS
APPLE_VBUS
PWR_CTRL
LINE_SEL
VP
+5VF
-5VF
+5.5V
-5.5V
+5VA
-5VA
+5VF
CHG_D-
USB_SUS
CHG_STBY
BOOST_EN
PGND
C_VP_ON
CHG_STBY
+5V_C
V_BUS
PGND
PWR_CTRL
BUS_SEL
LED1_IN
VP_ON
VP1
BOOST_EN
PWR_CTRL
LINE_SEL
A_MODE
V_BUS
C_VP_ON
VP
+3.3VD
APPLE_VBUS
+5V_C
VP1
LED1_IN
+5VF
-5VF
+5.5V
-5.5V
+5VA
-5VA
VP_ON
PGND
V_BUS
BUS_SEL
PGND
ENU_RDY
ENU_RDY
MUTE
MUTE
PWR_CTRL
DACOut_RN
DACOut_LP
DACOut_LN
DACOut_RP
VP
LINE_SEL
+5.5V
-5.5V
-5VA
+5VA
-5VF
+5VF
PGND
MUTE
VP
BOOST_EN
PWR_CTRL
LINE_SEL
+3.3VD
APPLE_VBUS
+5.5V
-5.5V
A_MODE
-5VA
+5VA
-5VF
+5VF
PGND
+5V_C
V_BUS
LED1_IN
C_VP_ON
VP_ON
VP1
ENU_RDY
MUTE
USB_LRCLK
USB_BCLK
USB_SDATA
USB_MCLK
DAC_LRCLK
DAC_BCLK
DAC_SDATA
DAC_MCLK
APPLE_VBUS
+3.3VD
A_MODE
PGND
USB_LRCLK
USB_SDATA
USB_MCLK
USB_BCLK
CHG_D+
CHG_D-
USB_+5VD
USB_SUS
CHG_STBY
+5V_C
BUS_SEL
PGND
V_BUS
VP1
VP_ON
ENU_RDY
CHG_D+
CHG_D-
USB_+5VD
VP
BOOST_EN
USB_SUS
PGND
CHG_STBY
V_BUS
PWR_CTRL
BUS_SEL
LED1_IN
C_VP_ON
DACOut_LN
DACOut_LP
DACOut_RN
DACOut_RP
DAC_SDATA
DAC_LRCLK
DAC_MCLK
DAC_BCLK
+3.3VD
+5VF
PGND
Analog
Power
iChief
USB_Audio_Controller
BAT_Charger
Audio_Codec
(1/7)
MAIN BOARD
A
3
8
6
2
D
5
B
C
7
1
4
• Described to the reference for US and Canadian models.
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