Sony PHA-1A / PHA-1AEU (serv.man2) Service Manual ▷ View online
SERVICE MANUAL
PHA-1A/1AEU
PHA-1A/1AEU
1
Ver. 1.1 2015.08
SUPPLEMENT-1
File this supplement with the service manual.
1. DIAGRAMS
9-896-144-81
US Model
Canadian Model
E Model
Australian Model
Chinese Model
Russian Model
PHA-1A
AEP Model
UK Model
PHA-1AEU
Printed wiring board, schematic diagram and electrical parts list of PHA-1AEU
are described in this service manual SUPPLEMENT-1.
Refer to original service manual for printed wiring board, schematic diagram
and electrical parts list of PHA-1A.
are described in this service manual SUPPLEMENT-1.
Refer to original service manual for printed wiring board, schematic diagram
and electrical parts list of PHA-1A.
Subject: Addition of Printed Wiring Board, Schematic Diagram
and Electrical Parts List for PHA-1AEU
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.)
PHA-1A/1AEU
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.
•
C : Panel designation.
•
A : B+ Line.
•
B : B– Line.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : POWER ON
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
F :
AUDIO
(ANALOG)
J :
AUDIO
(DIGITAL)
E :
iPhone/iPad/iPod
j :
WALKMAN/Xperia
• The voltage and waveform of CSP (chip size package)
cannot be measured, because its lead layout is different
from that of conventional IC.
from that of conventional IC.
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.
• Lead layouts
surface
CSP (Chip Size Package)
Lead layout of conventional IC
* Replacement of IC704 on the MAIN board used in this unit
requires a special tool.
* Replacement of IC704 on the MAIN board used in this unit
requires a special tool.
Note:
When replacing the MAIN board, be sure to re-
place the case simultaneously. Among the repair
parts, the MAIN board and case are supplied as
one unit.
place the case simultaneously. Among the repair
parts, the MAIN board and case are supplied as
one unit.
Note:
When replacing the MAIN board, be sure to re-
place the case simultaneously. Among the repair
parts, the MAIN board and case are supplied as
one unit.
place the case simultaneously. Among the repair
parts, the MAIN board and case are supplied as
one unit.
Note: The components identifi ed by mark
0 or
dotted line with mark
0 are critical for safety.
Replace only with part number specifi ed.
Note: Les composants identifi és par une marque
0 sont critiques pour la sécurité.
Ne les remplacer que par une piéce portant
le numéro spécifi é.
le numéro spécifi é.
PHA-1A/1AEU
PHA-1A/1AEU
2
2
1-1. PRINTED WIRING BOARDS (PHA-1AEU)
Note: The following parts on the MAIN board cannot replace
with single. When these parts are damaged, replace the
complete mounted board.
complete mounted board.
IC001, IC002, IC003, IC101, IC201, IC301, IC401,
IC403, IC500, IC501, IC502, IC503, IC505, IC506,
IC507, IC601, IC602, IC701, IC702, Q001, Q002,
Q003, Q004
IC403, IC500, IC501, IC502, IC503, IC505, IC506,
IC507, IC601, IC602, IC701, IC702, Q001, Q002,
Q003, Q004
3
1
8
1
1
4
8
5
24
13
12
1
1
2
4
3
25
36
37
48
1
3
CN001
R406
CN002
C26
R407
R215
R409
R413
R609
R419
R420 R421
R424
R619
R624
C204
C206
C402
C403
C404
JL001
JL002
JL003
C409
JL008
C410
C411
X401
C412
C414
R450
JL011
R451
CL301
JL012
R452
CL302
C416
R453
CL303
C417
C418
R454
CL111
R456
CL112
CL113
C610
C228
C611
C421
R652
R461
JL601
JL602
JL603
C621
C625
C626
JL030
JL031
C629
1
16
32
17
JL032
JL033
C050
JL034
F701
JL035
JL036
C052
C630
C1
4
6
3
1
4
6
2
3
1
4
2
1
4
3 4
6
3
1
3
1
C632
C4
C8
C9
Q501
Q502
Q503
IC003
D602
Q510
Q511
Q512
Q513
L500
L504
Q710
Q711
IC401
Q712
IC402
IC403
Q713
IC602
Q722
Q723
R303
R111
R305
R306
R112
R115
R118
R505
L551
R316
R510
1
8
5
1
4
5
10
6
R511
R512
R513
C104
R141
CN702
C106
R721
C301
C304
C305
Q595
C308
C309
C500
CL005
R731
C501
R732
CL006
C502
CL007
C310
C504
C311
C505
JL102
JL105
JL106
JL107
JL108
CL205
C514
JL111
R551
CL401
CL402
R552
R553
JL113
CL403
JL114
R554
CL404
R555
R556
5
1
6
10
R557
C710
R558
C711
C719
C525
R561
JL121
JL122
R562
C526
C527
C529
R567
R568
R569
C530
R761
R763
R570
R764
R571
R572
R766
R573
R574
R575
R576
R576
R577
R578
R579
R580
C551
C552
C553
C554
C555
C556
R787
C558
R789
C559
Q401
R790
C560
C561
C564
C565
C566
C569
C571
C572
D512
C573
D513
C574
C575
C576
C577
FB0020
IC500
IC501
D719
IC507
IC508
IC509
IC510
IC511
JC105
JC109
JC114
C10
C11
C14
C15
C16
C20
R211
R212
R212
R213
C27
R214
R216
R217
R218
R219
C35
R613
R614
R615
R615
R422
R616
R617
R428
R432
C201
C203
R241
C207 C208
C407
C408
C021
C217
CL109
C608
C609
CL110
R455
R457
R458
R459
X601
R651
R654
R655
C622
C623
C624
C627
C628
C631
25
1
100
50
51
76
26
75
C2
C3
C5
C7
IC001
IC002
Q508
Q509
D603
Q702
Q703
IC201
L503
Q716
Q717
Q718
Q719
IC601
Q720
Q721
R101
R102
R103
R104
R105
R106
R107
R302
R304
R304
R307
R113
R114
R308
R309
R116
R117
6
4
1
1
1
4
8
5
10
4
5
8
1
11
15
5
1
10
6
16
3
1
4
5
20
20
11
20
5
1
11
15
16
6
10
1
3
4
2
4
14
1
15
28
4
4
3
1
2
1
9
12
16
13
5
8
3
1
2
1
4
8
5
3
6
4
1
3
R119
R502
R310
R311
R318
R319
R708
R320
R709
R321
R714
R715
R521
R716
R717
R523
R718
R524
R719
R525
C101
C103
R724
C300
R725
R727
C303
R729
R730
R733
C312
C313
C703
CL208
C706
C707
C709
C515
C516
C517
C518
C712
C713
C714
C520
C521
R751
C716
C522
R752
R753
C523
C524
R563
R564
R759
R566
C720
C721
C722
R760
R4
R5
R769
C541
Q001
R771
C542
Q002
R772
R773
R774
R775
R778
R781
R782
R785
R786
C362
R788
Q402
Q403
Q404
Q405
R791
R792
C567
C568
IC101
C570
D514
D515
IC301
C580
C581
IC502
IC503
IC504
IC505
IC701
JC101
D722
IC702
D723
JC103
IC704
JC104
IC705
JC106
IC512
JC111
JC113
C13
R201
R202
C17
R203
R204
C19
R205 R206
R207
S592
(SERIAL No. WRITE)
4
1
1
5
CN601
CN602
S591
13
16
8
5
4
1
9
12
FB001
FB002
FB003
R582
FB021
C202
FB101
C102
R793
R581
C724
1
5
CN701
IC506
S001
D701
R657
1
3
6
4
1
3
6
4
Q003
Q004
R329
R328
R331
R330
R335
C209
R332
R334
MAIN BOARD
(COMPONENT SIDE)
MAIN BOARD
(CONDUCTOR SIDE)
1-980-150-
11
(11)
1-980-150-
11
(11)
S
G
S
G
S
G
S
G
S
S
S
G
G
G
S
G
S
G
S
D
D
D
D
D
D
G
A
K
K
A
S
D
G
A
K
K
A
S
S
G
S G
IC704
IC506
C3 C2 C1
B3 B2 B1
A3 A2 A1
A1 A2 A4
A3
B1 B2 B3
C1C2C3
B4
C4
D1D2D3D4
K
S
G
S
G
S
G
S
G
K
K
A
A
S
G
S
G
S
G
D
S
G
S
S
G
S
G
D
D
D
D
D
D
D
D
D
D
S
G
G
A
K
A
S
G
D
D
S
G
A
D
K
G
D
D
D
D
D
D
D
D
G
S
DC IN 5V
HP JACK
BOARD
VOLUME
BOARD
WR1
WR2
BAT1
LITHIUM ION
SECONDARY
BATTERY
WALKMAN/Xperia
DETECT
INPUT
(FOR PC/WALKMAN/Xperia)
INPUT
(FOR iPhone/iPad/iPod)
S001
-2
-1
GAIN
NORMAL
HIGH
LOW
D701
(GRN)
(RED)
POWER/CHG
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
10
K
K
A
•
: Uses unleaded solder.
PHA-1A/1AEU
PHA-1A/1AEU
3
3
5
0
1.6
3.3
0
0
0
0
1.6
0
1.6
0
0
0
3.3
1.7
1.8
3.3
0
2.8
0
3.3
5
3.9
0
0
3.3
1.6
1.8
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
0
0
0
3.3
3.3
1.8
0
3.3
3.3
3.3
3.3
0
0
0
0
0
0
3.3
2.5
3.3
0
0
0
3.3
0
0
0
0
0
0
0
0
3.2
3.2
3.2
3.2
0.9
3.3
0
3.3
0
0
0
3.3
3.3
3.3
0
0
0
0
0
0
0
0
0
3.2
0.9
0
0
0
0
0
0
3.3
3.3
0
0
0
0
0
0
0
3.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.3
0
0
3.3
0
3.1
5
2.4
2.4
2.4
5
1.6
0
1.6
1.8
3.3
5
2.4
2.4
2.4
3.3
3.3
3.3
0
CN601
1
5
VDD33_VF
VDD50_VG
BATT_CHECK
VDD50_VD
DACOUT_LN
DACOUT_RP
DACOUT_RN
DACOUT_LP
BATT_STATUS
PGND
S
LSK3541FS8T2L
Q402
LC87F17C8AUWA-2H
IC401
1
SERIAL-SW
2
/RES
3
XT1
4
NC
5
VSS1
15
VBUS_SW
16
AUX_SW
17
MCLK_IN
32
OPT_7
33
OPT_8
34
SDA
T_IN
35
BCLK_IN
36
LRCK_IN
44
MUTE 2
45
LED1
46
BATT_CK
47
NC
48
VBUS-OFF
13
CP_SDA
14
–
6
CF1
7
CF2
8
VDD1
9
OPT_1
10
OPT_2
11
OPT_3
12
CP_SCL
18
MCLK_OUT
19
VDD2
20
VSS2
21
CP_RST
22
NC
23
SDAT_IN_AUX
24
BCLK_IN_AUX
27
BCLK_OUT
28
LRCK_OUT
29
OPT_4
30
OPT_5
31
OPT_6
25
LRCK_IN_AUX
26
SDA
T_OUT
39
VDD3
40
VSS3
41
UFILT
42
AFILT
43
MUTE 1
37
UHD–
38
UHD+
CM6631A
IC601
XSCO
1
VCCHSRT
2
GNDHSRT
3
RREF
4
USBDM
5
XHDA_SDO
28
VCC3V
29
XMADC_SDIN0
30
XPEE_A6
71
XPEE_A7
72
VCC3V
73
XPEE_A8
74
XPEE_A9
75
XSEL_PWR
96
VCC3V
97
XRST
98
XTEST
99
XSCI
100
XHDA_SYNC
26
XHDA_RST
27
USBDP
6
VCCA_U20
7
GNDA_U20
8
VCC3V
9
VCC
10
GND
11
XGPI_0
12
XMADC_SCLK
31
XMADC_MCLK
32
XMADC_LRCK
33
X2ADC_SDIN
34
X2ADC_SCLK
35
X2ADC_LRCK
36
X2ADC_MCLK
37
XPEE_A1
66
XPEE_A2
67
XPEE_A3
68
XPEE_A4
69
XPEE_A5
70
XMSCL
64
XPEE_A0
65
NC
91
NC
92
XMDAC_SCLK
93
XMDAC_LRCK
94
XMDAC_MCLK
95
XMDAC_SDOUT0
89
NC
90
XGPI_1
13
XGPI_2
14
XGPI_3
15
XGPI_4
16
XGPI_5
17
GND
18
XPWDN
19
XD6
20
XD7
21
XD0
22
XD1
23
XHDA_BCLK
24
XHDA_SDI
25
XSPDIFO_0
38
GND
39
XSPDIFI_0
40
XPEE_D0
41
XPEE_D1
42
XPEE_D2
43
XPEE_D3
44
XPEE_D4
45
XPEE_D5
46
XPEE_D6
47
XPEE_D7
48
XGPIO_8
49
XGPIO_9
50
XGPIO_11
52
VCC3V
53
XGPIO_7
54
XRSTO
55
XSSDA
56
XSSCL
57
XGPIO_12
58
XGPIO_13
59
XGPIO_14
60
GND
61
XGPIO_15
62
XMSDA
63
XGPIO_10
51
XPEE_A1
1
77
XPEE_A12
78
XPEE_A13
79
XPEE_A14
80
XPEE_A15
81
XPEE_CEN
82
XPEE_WRN
83
XPEE_RDN
84
X2DAC_MCLK
85
X2DAC_LRCK
86
X2DAC_SCLK
87
X2DAC_SDOUT
88
XPEE_A10
76
PST8428UL
IC402
GND
1
VDD
2
CD
3
OUT
4
MFI337S3959
IC403
GND
1
SDA
2
NC_3
3
NC_4
4
NC_5
5
SCL
6
RST
7
VCC
8
WM8740SEDS/RV
IC301
LRCIN
1
DIN
2
BCKIN
3
MODE8X
4
SCLK
5
DIFFHW
6
DGND
7
DVDD
8
AVDDR
9
AGNDR
10
VMIDR
11
VOUTRP
12
VOUTRN
13
AGND
14
AVDD
15
VOUTLN
16
VOUTLP
17
VMIDL
18
AGNDL
19
AVDDL
20
ZERO
21
RSTB
22
CSBIWO
23
MODE
24
MUTEB
25
MD/DM0
26
MC/DM1
27
ML/I2S
28
SST39LF010-55-4C-WHE
IC602
A11
1
A9
2
A8
3
A13
4
A14
5
NC_6
6
WE
7
VCC
8
NC_9
9
A16
10
A15
11
A12
12
A7
13
A6
14
A5
15
A4
16
A3
17
A2
18
A1
19
A0
20
DQ0
21
DQ1
22
DQ2
23
VSS
24
DQ3
25
DQ4
26
DQ5
27
DQ6
28
DQ7
29
CE
30
A10
31
OE
32
12MHz
X401
12MHz
X601
WM_VBUS
JL601
JL602
JL603
V_OUT
WM_XDET
S
RAF040P01TCL
Q401
CN602
VBUS
D–
D+
GND
S
LSK3541FS8T2L
Q403
HP_XMUTE1
HP_XMUTE2
VDD3_3_DAC
S
RAF040P01TCL
Q404
S
LSK3541FS8T2L
Q405
PWR_CTRL
8p
C609
8p
C608
0.1
C632
R651
1M
12k
R609
10
C611
2.2
C627
0.1
C630
0.1
C631
1
C610
1M
R458
470k
R459
470k
R655
100k
R453
2200p
C626
0.1
C622
100k
R455
2.2k
R614
2.2k
R615
4.7k
R619
0
R613
0.1
C623
0.1
C629
2.2k
R616
2.2k
R617
0.1
C624
0.1
C411
0.001
C421
0.001
C412
100k
R413
4.7k
R419
0
R624
100k
R457
1k
R461
10p
C417
10p
C416
0.1
C402
0.1
C414
0
R420
100k
R454
0
R424
4.7k
R421
22k
R422
R428
10k
100k
R450
0
R451
0
R452
150
R409
33
R407
33
R406
0.1
C404
2.2
C408
1
C409
4.7
C410
2.2
C403
0.1
C628
0.1
C407
1SS400SMGJT2R
D603
10k
R654
470k
R456
10
C304
10
C305
0.1
C217
0.1
C362
10
C300
0.1
C303
10
C301
10
C311
10
C308
0.1
C309
0.1
C310
51
R308
51
R309
10k
R302
100
R304
100
R305
100
R307
0
R310
100
R306
0
R311
100
R303
0.1
C313
10
C312
0.1
C621
0.1
C418
0.1
C625
CL401
CL404
CL402
CL403
10
C228
1SS400SMGJT2R
D602
100k
R652
CL205
CL208
S591
S592
DAC_LRCLK
DAC_BCLK
DAC_SDA
TA
DAC_MCLK
USB_MCLK
DAC_LRCLK
DAC_SDATA
DAC_BCLK
DAC_MCLK
DACOUT_RP
DACOUT_RN
DACOUT_LP
DACOUT_LN
USB_MCLK
USB_LRCLK
USB_BCLK
USB_SDA
TA
DA
T00
DA
T01
DA
T02
DA
T03
DA
T04
DA
T05
DA
T06
DA
T07
OE
WE
CE
ADD15
ADD14
ADD13
ADD12
ADD1
1
ADD10
ADD11
ADD09
ADD08
ADD13
ADD14
WE
ADD15
ADD12
ADD07
ADD06
ADD05
ADD04
ADD03
ADD02
ADD01
ADD00
DAT00
DAT01
DAT02
OE
ADD10
CE
DAT07
DAT06
DAT05
DAT04
DAT03
BATT_STATUS
BATT_CHECK
DACOUT_LP
DACOUT_LN
DACOUT_RP
DACOUT_RN
SPI_SDA
SPI_SCL
SPI_RESET
SPI_SDA
USB_SDA
TA
USB_LRCLK
USB_BCLK
ENU_RDY
BA
TT_ST
A
TUS
AUX_SW
HP_XMUTE1
HP_XMUTE2
HP_XMUTE1
HP_XMUTE2
AUX_SW
ADD09
ADD08
ADD07
ADD06
ADD05
ADD04
ADD03
ADD02
ADD01
ADD00
ENU_RDY
SPI_SCL
SPI_RESET
BA
TT_CHECK
IC601
USB AUDIO PROCESSOR
IC602
FLASH MEMORY
IC301
D/A CONVERTER
IC402
RESET SIGNAL GENERATOR
IC401
USB CONTROLLER
IC403
MFI
MAIN BOARD (1/4)
AUX SWITCH
MAIN
BOARD
>006S
(3/4)
(For PC/WALKMAN/Xperia)
INPUT
DETECT
WALKMAN/Xperia
(SERIAL No. WRITE)
Q401, 403
B+ SWITCH
MAIN
BOARD
>005S
(4/4)
Q404, 405
B+ SWITCH
(For iPhone/iPad/iPod)
INPUT
1
4
MAIN
BOARD
>003S
(3/4)
MAIN
BOARD
>004S
(2/4)
MAIN
BOARD
>002S
(2/4)
MAIN
BOARD
>001S
(4/4)
10
11
12
13
14
15
G
16
H
17
I
18
F
M
1
C
J
D
6
E
K
L
2
B
3
A
4
5
7
19
8
9
0
R657
470p
R432
1-2. SCHEMATIC DIAGRAM - MAIN Section (1/4) (PHA-1AEU) -
Note: The following parts on the MAIN board cannot replace with single.
When these parts are damaged, replace the complete mounted board.
IC301, IC401, IC403, IC601, IC602
(Page 6)
(Page 4)
(Page 4)
(Page 5)
(Page 6)
(Page 5)
PHA-1A/1AEU
PHA-1A/1AEU
4
4
1-3. SCHEMATIC DIAGRAM - MAIN Section (2/4) (PHA-1AEU) -
Note: The following parts on the MAIN board cannot replace with single.
When these parts are damaged, replace the complete mounted board.
IC001, IC002, IC003, IC101, IC201, Q001, Q002, Q003, Q004
5
-4.9
0
0
-4.9
0
-4.9
0
-4.9
0
0
-4.9
0
5
5
0
0
0
5
0
-4.9
0
3.3
0
1.1
1.1
0
4.9
-4.9
1.1
1.1
0
0
0
5
0
-4.9
0
3.3
0
0
3.3
0
3.3
0
0
8P
CN001
1
ROUT
2
GND
3
RIN
4
GND
5
LOUT
6
PWR_CTRL
7
LIN
8
VOUT
DACOUT_LP
DACOUT_LN
DACOUT_RN
VDDN50_VE
VDDN50_VC
VDD50_VD
DACOUT_RP
VDD50_VB
V_OUT
PWR_CTRL
PGND
LMP7708MAX/NOPB
IC003
1
2
3
V–
4
5
6
7
V+
8
TS12A12511DCNR
IC201
1
2
GND
3
V+
4
NC_5
5
6
V–
7
8
TS12A12511DCNR
IC101
1
2
GND
3
V+
4
NC_5
5
6
V–
7
8
LME49860MAX/NOPB
IC001
1
2
3
V–
4
5
6
7
V+
8
TPA6120A2DWPR
IC002
LVCC–
1
2
LVCC+
3
4
5
NC_6
6
NC_7
7
NC_8
8
NC_9
9
NC_10
10
NC_1
1
11
NC_12
12
NC_13
13
NC_14
14
NC_15
15
16
17
R
VCC+
18
19
R
VCC–
20
3P
CN002
1
LEFT
2
GND
3
RIGHT
D
G
D
S
G
S
SSM6N58NU, RSONYF
Q001
D
G
D
S
G
S
SSM6N58NU, RSONYF
Q002
HP_XMUTE1
HP_XMUTE2
6.3V
100
C14
6.3V
100
C8
0.1
C5
0.1
C11
1
C20
1
C19
0.01
C021
1M
R4
1k
R119
1k
R219
1k
R5
1
C17
1
C35
0.1
C3
0.1
C2
470p
C101
C201
470p
C103
470p
6.3V
100
C1
6.3V
100
C4
2.4k
R106
2.4k
R101
150
R103
150
R105
3k
R102
3k
R104
2.4k
R201
10V
22
C106
R107
100
JL031
JL032
JL035
JL036
JL033
JL034
JL030
22k
R111
1k
R112
0
R118
1
C104
0
R116
1k
R114
200k
R141
150k
R113
100k
R316
100
R207
22k
R211
1k
R212
0
R218
10V
22
C206
C202
0.0039
C203
470p
2.4k
R206
150
R203
3k
R204
3k
R202
150
R205
1
C204
150k
R213
1k
R214
200k
R241
0
R216
10
R217
0.1
C7
0.1
C13
16V
10
C10
16V
10
C16
100k
R321
22k
R320
1
C208
1
C207
22k
R319
100k
R318
10
R117
CL302
CL303
CL301
16V
10
C15
16V
10
C26
0.1
C27
0.1
C9
200k
R215
200k
R115
0.1
C052
0.1
C050
C102
0.0039
0
FB003
PWR_CTRL
DACOUT_LN
DACOUT_LP
DACOUT_RP
DACOUT_RN
DACOUT_LN
DACOUT_LP
DACOUT_RP
DACOUT_RN
HP_LIN
HP_XMUTE1
OPAMP_ROUT
OPAMP_LOUT
OPAMP_LIN
PWR_CTRL
HP_RIN
OPAMP_RIN
HP_LIN
OPAMP_LOUT
OPAMP_LIN
HP_XMUTE1
HP_XMUTE2
OPAMP_RIN
OPAMP_ROUT
HP_XMUTE2
HP_RIN
GAIN_SW
PWR_CTRL
GAIN_SW
HEADPHONE AMP
IC002
DC SERVO
IC003
AUDIO AMP
IC001
GAIN CONTROL
IC101
GAIN CONTROL
IC201
(2/4)
MAIN BOARD
MUTING SWITCH
3
1
4
6
3
1
4
6
MUTING SWITCH
WR1
BOARD
VOLUME
HP JACK
WR2
BOARD
MAIN
BOARD
>004S
(1/4)
MAIN
BOARD
>007S
(3/4)
MAIN
BOARD
>008S
(3/4)
MAIN
BOARD
>002S
(1/4)
MAIN
BOARD
>009S
(4/4)
10
11
12
13
14
15
G
H
I
F
1
C
J
D
6
E
2
B
3
A
4
5
7
8
9
16
D
G
D
S
G
S
SSM6N58NU, RSONYF
Q004
SSM6N58NU, RSONYF
Q003
1
C209
2.2k
R329
100k
R332
10k
R328
2.2k
R331
10k
R330
GAIN CONTROL
1
3
4
6
D
G
D
S
G
S
1
3
4
6
-1
-2
GAIN CONTROL
GAIN
S001
HIGH
LOW
NORMAL
0
R334
0
FB002
0
FB001
0
R335
(Page 6)
(Page 3)
(Page 5)
(Page 5)
(Page 3)
