SCH05 AUDIO
GND LINE
POWER- LINE
POWER+ LINE
ANALOG AUDIO
DIGITAL AUDIO
STBY POWER
IN
IN
+3_3
D
1
100
N
-K
C
200
0
G
ND
_A
G
ND
_A
D
A
C
_R
ESE
T
+1_3
D
1
+3_3
D
1
D
A
C
_I
2C
_C
LK
+3_3
D
A
C
D
A
C
_C
LK
R
203
2
0
P
_M
U
TE
+5
V
A
+12
V
_A
-12
V
_A
+3_3
D
1
0-
160
8
R
228
2
+12
V
_A
_I
V
_C
O
N
V
-12
V
_A
_I
V
_C
O
N
V
R
229
5
O
PE
N
R
228
0
O
PE
N
+3_3
D
1
VA
R
I_
O
N
/O
FF
G
ND
_A
A
_M
U
TE
P
_M
U
TE
+3_3
D
1
+12
V
_A
C
208
8
10/35
(R
O
S)
C
209
0
10/35
(R
O
S)
-12
V
_A
+12
V
_A
RCH
_O
U
T
LCH
_O
U
T
C
209
6
22/16
(R
O
S)
C
209
5
22/16
(R
O
S)
GND_D
PCM_WCK/DSDL
PCM/DSD BCK
HP_DET
MUTE
DAC_I2C_DATA
DAC_I2C_CLK
HP_GAIN_H
VARI_ON/OFF
22
R2018
10K
R2023
47
R2001
47
R2002
47
R2003
0
R2006
0
R2008
0
R2010
0
R2012
0
R2014
1N-K
C2004
47
R2024
2K2
R2030
VARI_ON/OFF
MUTE
R2217
1K(AX)
R2206
1K(AX)
GND_A
-12V_A_IV_CONV
-12V_A_IV_CONV
P_MUTE
-12V_A
A_MUTE
VOL_DATA
VOL_CLK
MUTE
R2297
0-1608
VARI+12V
+5VA
+12V_A
+12V_A_IV_CONV
+12V_A_IV_CONV
R2046
1K
100N-K
C2073
R2061
100K
1N4148
D2004
OUT
OUT
R2081
33
VARI+7V
VOL_CLK
VARI+12V
RCH_OUT
LCH_OUT
A_MUTE
GND_A
-12V_A_FIXED
+12V_A_FIXED
GND_A
-12V_A_FIXED
+12V_A_FIXED
VARI-12V
VARI+12V
VARI-12V
VARI+12V
GND_A
R2138
47(AX)
GND_A
R2140 47(AX)
R
200
0
10
K
GND_D
GND_D
GND_D
GND_D
HP_ON/OFF
GND_D
DAC_RESET
DAC_CLK_SEL
HP_GAIN_M
DAC_GPIO
1
2
3
4
X
200
0
80
M
H
Z
R2017
0
R2016
47
10K
R2022
22
R2020
22
R2019
0
R2009
0
R2007
47
R2004
1K
R2005
0
R2011
0
R2013
R2015
OPEN
GND_D
100N-K
C2002
1UF-1608
C2003
D
A
C
_I
2C
_D
A
TA
GND_D
33
R
202
8
33
R
202
6
OPEN
C2006
100N-K
C2008
2K2
R2196
R2197
10K
R2025
33
GND_A
C2011
220/25(ROA)
C2010
220/25(ROA)
ZD
200
5
O
PE
N
ZD
200
4
O
PE
N
R
203
3
0
R2195
10K
GND2000
Q208
2
2S
C
612
6
R
221
8
120
(AX
)
120
(AX
)
R
222
4
Q208
0
2S
C
612
6
R
220
1
120
(AX
)
120
(AX
)
R
219
4
GND_A
100N-K
C2097
R
221
9
22
K(
AX
)
2N5551S
Q2125
R
220
0
22
K(
AX
)
2N5551S
Q2113
+3_3D1
330
PF
(F
N
S)
C
208
3
560
(AX
)
R
220
2
330
PF
(F
N
S)
C
207
8
C
209
3
220/25
(R
O
A)
R
222
5
120
(AX
)
R
221
6
120
(AX
)
1K
R2036
Q2001
RT1N141C
10
K
R
203
9
1K
R2037
Q208
3
2S
C
612
6
Q208
1
2S
C
612
6
VARI_ON/OFF
VARI-12V
+3_3D1
2N5551S
Q2133
330
PF
(F
N
S)
C
208
5
R
221
0
560
(AX
)
330
PF
(F
N
S)
C
208
1
+12V_A
10K
R2041
C
209
4
1U
F-
160
8
10
K
R
204
7
RT1N141C
Q2005
RT1P141C
Q2006
R
222
1
22
(AX
)
R
222
7
22
(AX
)
2N
5551
S
Q
213
4
R
221
3
22
(AX
)
R
221
4
22
(AX
)
GND_A
RT1N141C
Q2009
R2060
100K
1N4148
D2003
C2021
JUMPER
C2022
JUMPER
U2004
KIA7907PI
O
PE
N
C
202
3
R2043
560(AX)
C
201
2
3300
P F
N
S
R2044
560(AX)
R2045
560(AX)
R2073
OPEN-1608
GND_A
R2075
OPEN-1608
1K
(AX
)
R
205
6
R2062
1K6(AX)
3300
P F
N
S
C
201
7
3300
P F
N
S
C
201
8
R2064
1K6(AX)
R
205
9
1K
(AX
)
B2000_2
R2082
33
VARI-7V
68
(AX
)
R
207
7
5
GATE1
1
DRAIN1
3
DRAIN2
4
GATE2
2
SOURCE
2SK
2145
B
L
U
200
5
R
206
9
120
(AX
)
120
(AX
)
R
206
8
68
(AX
)
R
207
8
R
207
1
120
(AX
)
R
207
0
120
(AX
)
VOL_DATA
C2031
1/100(RFO)
R2086
JUMPER
VARI-12V
R
208
4
33
K(
AX
)
R
208
7
560
(AX
)
R2088
33(AX)
Q
201
7
2N
5551
S
Q
201
8
2N
5401
S
Q
201
9
2N
5551
S
R2090
33(AX)
R
210
1
470
(AX
)
R
210
2
470
(AX
)
Q2032
2N5401S
R
210
3
470
(AX
)
Q2034
2N5551S
Q2036
2N5401S
33
K(
AX
)
R
209
4
R
211
8
10
(AX
)
R
211
7
10
(AX
)
R
211
9
10
(AX
)
82(AX)
R2106
R
209
8
470
(AX
)
470
(AX
)
R
209
9
R2107
82(AX)
R
210
0
470
(AX
)
0
R
224
9
220/25
(R
O
A)
C
203
8
R
211
4
10
(AX
)
220/25
(R
O
A)
C
206
6
220/25
(R
O
A)
C
206
9
R
211
6
10
(AX
)
R
212
1
10
K(
AX
)
R2124
47(AX)
0-
160
8
R
228
3
0-
160
8
R
228
4
R
212
5
10
K(
AX
)
R2129
4K7
R2130
4K7
INC2002AC1
Q2047
C
204
4
100
P
C
204
8
1N
-K
INC
2002
A
C
1
Q204
9
4K7
R2137
4K7
R2139
C
205
0
O
PE
N
C
204
6
O
PE
N
BKT2000
TO
H
/P
S
H
EE
T
1
2
3
4
5
6
7
8
TC7WH157FU
U2001
4.7
U
F-
160
8
C
200
7
C
200
9 220/63
(R
A2
)-
10
PI
2SC3052
Q2079
2K2
R2029
R2031
OPEN
R
235
2
JU
M
PE
R
R
235
3
JU
M
PE
R
68
(AX
)
R
222
2
5
GATE1
1
DRAIN1
3
DRAIN2
4
GATE2
2
SOURCE
2SK
2145
B
L
U
201
2
R
229
4
O
PE
N
R
229
3
O
PE
N
R
227
9
O
PE
N
68
(AX
)
R
219
8
5
GATE1
1
DRAIN1
3
DRAIN2
4
GATE2
2
SOURCE
2SK
2145
B
L
U
200
9
14
13
12
3
2
1
11
10
9
8
7
6
5
4
TC74VHC08FT
U2013
1A
1B
1Y
2A
2B
2Y
GND
VCC
4B
4A
4Y
3B
3A
3Y
2N5401S
Q2124
C
208
7
10/35
(R
O
S)
R
228
1
O
PE
N
2N5401S
Q2112
C
208
9
10/35
(R
O
S)
G
ND
_A
R
222
3
100
(AX
)
R
220
5
100
(AX
)
MU
TE
C
208
6
220/25
(R
O
A)
C
209
1
220/25
(R
O
A)
10
K
R
203
8
+5
V
A
R
222
8
560
(AX
)
2N5401S
Q2130
R
221
5
560
(AX
)
2N5401S
Q2118
G
ND
_A
R
204
0
100
K
C
207
2
100
N
-K
R
222
6
560
(AX
)
R
222
9
100
(AX
)
2N5401S
Q2132
R
221
2
100
(AX
)
2N5401S
Q2120
2N5551S
Q2121
C
207
0
100/16
(R
A2
)
C
207
1
100/16
(R
A2
)
2N
5551
S
Q
212
2
KIA7807API
U2003
O
PE
N
C
202
4
R2042
560(AX)
G
ND
_A
B2000
R
205
7
1K
(AX
)
1K
(AX
)
R
205
8
R2065
1K6(AX)
3300
P F
N
S
C
202
0
3300
P F
N
S
C
201
9
B2000_1
R2085
JUMPER
R
208
3
33
K(
AX
)
560
(AX
)
R
207
9
1SS302A
D2008
560
(AX
)
R
208
0
D2012
1SS302A
R
209
6
33
K(
AX
)
R
208
9
560
(AX
)
Q
202
0
2N
5401
S
Q2031
2N5401S
R
210
4
470
(AX
)
Q2035
2N5401S
33
K(
AX
)
R
209
3
Q2041
2SA1312(B)
R
212
0
10
(AX
)
470
(AX
)
R
209
7
R2105
82(AX)
82(AX)
R2108
R2122
47(AX)
R
212
3
10
K(
AX
)
R
212
7
10
K(
AX
)
INC2002AC1
Q2048
C
204
5
100
P
C
204
9
1N
-K
INC
2002
A
C
1
Q205
0
C
205
1
O
PE
N
C
204
7
O
PE
N
BKT2001
TO
MA
IN
B
'D
TO
POWE
R
B'
D
C
209
2
220/25
(R
O
A)
PCMDATA/DSDR/SPDIF
DIR_MCK(LEGO CLK)
HP_GAIN_H
HP_ON/OFF
RCH_OUT
LCH_OUT
GND_A
A_MUTE
+3_3D1
+5VA
-12V_A
PCM_DSD_BCK
PCMDATA_DSDR
P_MUTE
P_MUTE
-12V_A
-12V_A
+12V_A
+12V_A
+1V3_DAC
+1_3D1
+3V3_DAC
+3_3DAC
+3_3D1
+5VA
GND_A
GND_A
+5VA
33
R2241
33
R2242
VOL_DATA
PCMDATA_DSDR
PCMWCK_DSDL
PCM_DSD_BCK
LEGO_CLK
DAC_RESET
DAC_I2C_DATA
DAC_I2C_CLK
+3_3D1
+5VA
+12V_A
DAC_CLK
+12V_A_IV_CONV
+12V_A_IV_CONV
GND_A
VARI_ON/OFF
+3_3D1
CN2000 DIRECT
1N4148
D2001
-12V_A_IV_CONV
R2230
1K(AX)
GND_A
-12V_A_IV_CONV
R2207
1K(AX)
R2074
1K-1608
GND_A
D2036
OPEN
R2049 560(AX)
R2050 560(AX)
R2051OPEN
R2351 JUMPER
R2052 OPEN
2P WIRE
R2109 82(AX)
R2110 82(AX)
C2036
47P-FAS
GND_A
R2134 47(AX)
GND_A
4K7
R2135
HP_GAIN_M
HP_DET
+12V_A
CB03YTYN121-1608
L2000
R2021 OPEN-1608
DAC_GPIO
PCMWCK_DSDL
220/63
(R
A2
)-
10
PI
C
200
5
GND_DA
GND_A
GND_A
+3V3_D1
33
R2243
DAC_CLK_SEL
DAC_GPIO
RT1P141C
Q2076
RT1P141C
Q2078
-12V_A
DAC_CLK_SEL
CB03YTYN121-1608
L2001
LEGO_CLK
R2034
0-1608
R
202
7
10
K
D2067
1SS302A
C2082 1000PF(FNS)
GND_A
RT1P141C
Q2000
10
K
R
203
5
P_MUTE
Q2004
RT1P141C
1N4148
D2000
R
223
3
22
K(
AX
)
2N5551S
Q2131
R
223
1
22
(AX
)
R
223
2
22
(AX
)
D2053
MMBD4448HTM
120
(AX
)
R
223
4
D2068
1SS302A
2N
5551
S
Q
212
8
C2084 1000PF(FNS)
R
220
9
22
K(
AX
)
D2050
MMBD4448HTM
2N5551S
Q2119
R
220
3
22
(AX
)
R
220
4
22
(AX
)
120
(AX
)
R
220
8
C20801000PF(FNS)
GND_A
RT1P141C
Q2010
D2005
1N4148
OPEN-1608
R2072
C2016
220/16(RA3)
R
206
7
O
PE
N
R
206
6
O
PE
N
0-1608
R2076
220/25(RFO)
C2029
C
201
4
O
PE
N
OPEN
D2035
R2048 OPEN
C
202
5
680
P F
N
S
R2063
1K6(AX)
2N
5551
S
Q
201
3
2N
5401
S
Q
201
4
ZD2003
OPEN
560(AX)
R2053
C
201
3
3300
P F
N
S
2N
5551
S
Q
201
5
R2055OPEN
5
GATE1
1
DRAIN1
3
DRAIN2
4
GATE2
2
SOURCE
U2006
2SK2145BL
560(AX)
R2054
C
202
8
680
P F
N
S
R
209
5
33
K(
AX
)
2N5551S
Q2030
2SC3324(B)
Q2042
D2026
1SS302A
R
209
2
10
K(
AX
)
R2111 82(AX)
82(AX)
R2112
2SC3324(B)
Q2044
Q
202
1
2N
5551
S
C
203
2
220
P F
AS
47P-FAS
C2034
R
211
3
10
(AX
)
Q
202
2
2N
5551
S
Q
203
8
2S
C
3324
(B)
Q
202
3
2N
5401
S
R
211
5
10
(AX
)
Q
202
6
2N
5551
S
OPEN
C2037
D2022
1SS302A
Q
202
8
2N
5401
S
INC2002AC1
Q2045
4K7
R2133
INC2002AC1
Q2046
R2136
47(AX)
0
R
224
8
0
R
224
7
47(AX)
R2126
INC
2002
A
C
1
Q205
1
R2131
4K7
C2039
100/25(ROS)
R2132
4K7
47(AX)
R2128
C2040
100/25(ROS)
JK2001
Rch(FIXED)
Lch(FIXED)
JK2003
100N-K
C2001
33
R2240
Q2069
RT1N141C
Q2077
RT1N141C
R
222
0
560
(AX
)
R
223
5
560
(AX
)
D2071
1SS302A
2N5401S
Q2126
R
219
9
560
(AX
)
D2065
1SS302A
D2069
1SS302A
2N5401S
Q2116
C2079 1000PF(FNS)
2SAR293P
Q2003
Q2002
2SCR293P
68
(AX
)
R
223
6
5
GATE1
1
DRAIN1
3
DRAIN2
4
GATE2
2
SOURCE
2SK
2145
B
L
U
201
1
D2072
1SS302A
2N5401S
Q2135
68
(AX
)
R
221
1
5
GATE1
1
DRAIN1
3
DRAIN2
4
GATE2
2
SOURCE
2SK
2145
B
L
U
201
0
D2066
1SS302A
D2070
1SS302A
2N5401S
Q2123
2N
5551
S
Q
211
5
C2030
220/25(RFO)
C
201
5
O
PE
N
C2098
220/25(ROA)
220/25(ROA)
C2099
C
202
6
680
P F
N
S
2S
C
3324
(B)
Q
201
1
C
202
7
680
P F
N
S
2N
5401
S
Q
201
6
2S
C
3324
(B)
Q
201
2
1SS302A
D2024
2N5551S
Q2029
R
209
1
10
K(
AX
)
Q
204
3
2SA
1312
(B)
D2030
1SS302A
2N5551S
Q2033
1SS302A
D2028
OPEN
C2035
Q
203
7
2SA
1312
(B)
D2016
1SS302A
Q
202
4
2N
5401
S
D2018
1SS302A
C
203
3
220
P F
AS
Q
203
9
2SA
1312
(B)
Q
204
0
2S
C
3324
(B)
D2020
1SS302A
Q
202
7
2N
5401
S
Q
202
5
2N
5551
S
C2042
100/25(ROS)
C2043
100/25(ROS)
GND2002
INC
2002
A
C
1
Q205
2
C
204
1
220/25
(R
O
A)
Rch(VARI)
JK2000
Lch(VARI)
JK2002
5
4
3
2
1
6
7
8
9
10
11
11P WAFER
CN2000
7
9
5
1
3
19
17
15
13
11
21
4
2
8
6
10
12
20
18
14
16
CN
200
2
21P FPC
32
31
30
29
28
27
26
25
24
9
8
7
6
5
4
3
2
1
23
22
21
20
19
18
17
16
15
14
13
12
11
10
NJU72343V
U2007
AREF
ADR
IN_B2
IN_A2
IN_A1
IN_B1
IN_C
IN_D
IN_E
IN_F
IN_G1
IN_H1
IN_G2
IN_H2
MUTE
REF
V+
AREF
V-
AREF
O_A
O_B
O_C
O_D
O_E
O_F
O_G
O_H
AREF
VDD
CLK
DATA
D
200
2
LBAS
16
H
T1
G
-201
2
RT1N141C
Q2007
Q2008
INC2002AC1
RLY2000
HFD4/5-S
D2052
MMBD4448HTM
2N5551S
Q2127
D2049
MMBD4448HTM
D2014
1SS302A
D2010
1SS302A
2N5401S
Q2129
G
N
D
23
NC
9
DACR
27
DATA_CLK
11
NC
25
DATA2
13
DACL
6
X
O
4
S
D
A
5
A
DD
R
3
S
C
L
1
D
G
N
D
16
AV
CCD
A
C
17
V
CC
A
18
D
V
C
C
19
N
C
21
D
V
D
D
2
N
C
7
X
I(M
C
LK
)
15
N
C
20
D
G
N
D
22
NC
8
NC
28
RESETB
10
DACRB
12
AGND
14
DACLB
24
GPIO1
26
DATA1
U2002
ES9016K2M
2N5401S
Q2117
2N5551S
Q2114
CN2002
CN2000
B0
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
13