Read Sony PHA-2 Service Manual online
PHA-2
PHA-2
14
14
3-5. SCHEMATIC DIAGRAM - MAIN Board (3/7) -
• Described to the reference for US and Canadian models.
+3.3VF
+5VF
PGND
-5VF
DAC_L
DAC_R
ZEROL
ZEROR
I2C_SDA
DAC_RST
SCK_LRCK
MOSI_DAC_DATA
I2C_SCL
MISO_SCLK
D_MCLK
+3.3VF
+3.3VF
+5VF
-5VF
+5VF
-5VF
-5VF
+5VF
+5VF
-5VF
+5VF
+3.3VF
+5VF
+5VF
-5VF
-5VF
+5VF
-5VF
-5VF
+3.3VF
+5VF
-5VF
+5VF
-5VF
1
2
R0603
G2123-1201-00
R0603
G2123-1201-00
1
2
R0603
R0603
12 C0603
G2223-0102-00
C0603
G2223-0102-00
1
20
2
19
3
4
17
18
5
6
8
16
14
13
7
9
10
11
12
15
21
28
27
26
25
24
23
22
SOP28_0.3_0.65_135
SOP28_0.3_0.65_135
1
2 C0603
G2223-0102-00
C0603
G2223-0102-00
1
2
R0603
G2123-680N-00
R0603
G2123-680N-00
1
2
R0603
R0603
1
2
C0603C0603
1
2
R1206
R1206
1
2
C0603C0603
1
2
R0402
R0402
CA
P_A
L_6.6X6.6
CA
P_A
L_6.6X6.6
1
2
C0402C0402
1
2
C0603C0603
1
2
R0603
R0603
1
2
C0603C0603
1
2
C0603C0603
1
2
C0603C0603
1
2
C0603C0603
2
3
4
8
1
1
2
OPEN
C0603 OPEN
C0603
6
5
4
8
7
1
2
C0603C0603
1
2
R0603
G2123-680N-00
R0603
G2123-680N-00
1
2
R0402
R0402
1
2
C0603C0603
1
2 C0603
C0603
1
2
R0603
R0603
1
2
C0603C0603
1
2 C0603
C0603
1
2
R0402
OPEN
R0402
OPEN
3
2
6
7 5
4 8 1
6
5
48
7
1
2
C0603C0603
1
2 C0603
G2223-0102-00
C0603
G2223-0102-00
1
2
R0603
R0603
1
2
R0603
R0603
1
2
R0603
G2123-1201-00
R0603
G2123-1201-00
1
2
C0603C0603
CA
P_
AL_6.6X6.6
CAP_
AL
_6
.6X6
.6
1
2
R0603
G2123-1201-00
R0603
G2123-1201-00
1
2
R0603
G2123-680N-00
R0603
G2123-680N-00
1
2
C0402C0402
1
2
R0603
R0603
1
2
C0603C0603
1
2
R0603
G2123-680N-00
R0603
G2123-680N-00
1
2 C0603
C0603
1
2
OPEN
C0603 OPEN
C0603
1
2
R0603
G2123-1201-00
R0603
G2123-1201-00
1
2
C0402C0402
2
3
4
8
1
6
5
48
7
1
2
C0603C0603
1
2
C0805C0805
1
2
C1206
C1206
1
2
R0402
R0402
1
2 C0603
C0603
1
2 C0603
G2223-0102-00
C0603
G2223-0102-00
1
2
R1206
R1206
1
2
C0402C0402
1
2
R0603
R0603
1
2
C0805C0805
1
2
R0402
R0402
2
3
48
1
1
2
R0402
OPEN
R0402
OPEN
3
2
6
7 5
4 8 1
1
2
R69
--1.2K
R69
--1.2K
R71 **1K
R71 **1K
C61
1000pF, ECHU
C61
1000pF, ECHU
U38
PCM1795DBR
U38
PCM1795DBR
C65
1000pF, ECHU
C65
1000pF, ECHU
R189 **68
R189 **68
R191
**680
R191
**680
C195
1UK
_16V
_16V
_X
7R
C195
1UK
_16V
_16V
_X
7R
R70
**100
R70
**100
C70
0.1UK
_16V
_X
7R
C70
0.1UK
_16V
_X
7R
R235 0
R235 0
C68
100uF/6.3V
_P
C
F0J101MCL1GS
C68
100uF/6.3V
_P
C
F0J101MCL1GS
C56
0.1UK
_16V
_X
5R
C56
0.1UK
_16V
_X
5R
C199
1UK
_16V
_16V
_X
7R
C199
1UK
_16V
_16V
_X
7R
R194
**680
R194
**680
C64
10UM_6.3V
_X
5R
C64
10UM_6.3V
_X
5R
C60
10UM_6.3V
_X
5R
C60
10UM_6.3V
_X
5R
C196
1UK
_16V
_16V
_X
7R
C196
1UK
_16V
_16V
_X
7R
C53
0.1UK
_16V
_X
7R
C53
0.1UK
_16V
_X
7R
U15A
LME49860
U15A
LME49860
C220 ??pF
C220 ??pF
U41B
OPA1662
U41B
OPA1662
C51
0.1UK
_16V
_X
7R
C51
0.1UK
_16V
_X
7R
R190 **68
R190 **68
TP117
TP117
R236 0
R236 0
C55
10UM_6.3V
_X
5R
C55
10UM_6.3V
_X
5R
C193
1.8nF, ECHU
C193
1.8nF, ECHU
R60 **1K
R60 **1K
C50
0.1UK
_16V
_X
7R
C50
0.1UK
_16V
_X
7R
C191
1.8nF, ECHU
C191
1.8nF, ECHU
R65
**1.1K
R65
**1.1K
U50
NE5534
U50
NE5534
U40B
OPA1662
U40B
OPA1662
C66
0.1UK
_16V
_X
7R
C66
0.1UK
_16V
_X
7R
C67
1000pF, ECHU
C67
1000pF, ECHU
R192
**680
R192
**680
R68 **1K
R68 **1K
R72 --1.2K
R72 --1.2K
C57
10UM_6.3V
_X
5R
C57
10UM_6.3V
_X
5R
C69
100uF/6.3V
_P
C
F0J101MCL1GS
C69
100uF/6.3V
_P
C
F0J101MCL1GS
R64
--1.2K
R64
--1.2K
R248 **68
R248 **68
C58
0.1UK
_16V
_X
5R
C58
0.1UK
_16V
_X
5R
R193
**680
R193
**680
C198
1UK
_16V
_16V
_X
7R
C198
1UK
_16V
_16V
_X
7R
R247 **68
R247 **68
C192
1.8nF, ECHU
C192
1.8nF, ECHU
C219 ??pF
C219 ??pF
R61 --1.2K
R61 --1.2K
C63
0.1UK
_16V
_X
5R
C63
0.1UK
_16V
_X
5R
U40A
OPA1662
U40A
OPA1662
TP116
TP116
U15B
LME49860
U15B
LME49860
C52
0.1UK
_16V
_X
7R
C52
0.1UK
_16V
_X
7R
C200
10UK
_16V
_X
5R
C200
10UK
_16V
_X
5R
C172
22UM_16V_X5R
C172
22UM_16V_X5R
R242 0
R242 0
C194
1.8nF, ECHU
C194
1.8nF, ECHU
C72
1000pF, ECHU
C72
1000pF, ECHU
R62
**100
R62
**100
C54
0.1UK
_16V
_X
5R
C54
0.1UK
_16V
_X
5R
R63 **1K
R63 **1K
C197
10UK
_16V
_X
5R
C197
10UK
_16V
_X
5R
R317 0
R317 0
U41A
OPA1662
U41A
OPA1662
R73
**1.1K
R73
**1.1K
U51
NE5534
U51
NE5534
R243
*10K
R243
*10K
D_L_+
DAC_R
D_R_-
D_R_+
D_L_-
DAC_L
DACOut_RN
DACOut_RP
DACOut_LP
DACOut_LN
DACOut_LP
DACOut_LN
DACOut_RN
DACOut_RP
D_R_-
D_R_+
D_L_-
D_L_+
Audio
Data Input
I/F
Function
Control
I/F
Zero
Detect
Power Supply
System
Clock
Manager
Current
Segment
DAC
Bias
and VREF
Current
Segment
DAC
Advanced
Segment
DAC
Modulato
x8
Oversampling
Digital
Filter
and
Function
Control
Audio
Data Input
I/F
Function
Control
I/F
Zero
Detect
Power Supply
System
Clock
Manager
Current
Segment
DAC
Bias
and VREF
Current
Segment
DAC
Advanced
Segment
DAC
Modulato
x8
Oversampling
Digital
Filter
and
Function
Control
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
ZEROL
IREF
ZEROR
AGND1
MSEL
LRCK
IOUTR+
IOUTR-
DATA
BCK
DGND
AGND3R
RST
MDO
SCK
VDD
MS
MDI
MC
VCC2R
VCOMR
VCC2L
AGND3L
IOUTL-
IOUTL+
AGND2
VCC1
VCOML
A
3
8
6
E
2
9
D
5
B
C
7
1
4
(3/7)
MAIN BOARD
F
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