GND LINE
POWER- LINE
POWER+ LINE
STBY POWER
Digital Signal
Analog Signal
R
ES
ET
T
O
O
L0
C
LI
P
T
X2
T
X1
nSS
1
X2
X1
R
EG
C
V
SS
V
D
D
ERROR
CSD
STBY_STA
CL
DA
NPCM
SP
I_
C
LK
SP
I_
M
IS
O
SP
I_
M
O
SI
SP
I_I
R
Q
R
ES
ET
T
O
O
L0
C
LI
P
T
X2
T
X1
nSS
1
X2
X1
R
EG
C
V
SS
V
D
D
ERROR
CSD
STBY_STA
CL
DA
NPCM
SP
I_
C
LK
SP
I_
M
IS
O
SP
I_
M
O
SI
SP
I_I
R
Q
R
ES
ET
T
O
O
L0
C
LI
P
T
X2
T
X1
nSS
1
X2
X1
R
EG
C
V
SS
V
D
D
ERROR
CSD
STBY_STA
CL
SCL1
DA
NPCM
SP
I_
C
LK
SP
I_
M
IS
O
SP
I_
M
O
SI
SP
I_I
R
Q
R
ES
ET
T
O
O
L0
C
LI
P
T
X2
T
X1
nSS
1
X2
X1
R
EG
C
V
SS
V
D
D
DAMP_FAULT
N.C
D
C
_P
R
O
T
EC
T
N.C
N.C
8V_ON/OFF
N.C
ERROR
N.C
CSD
STBY_STA
CL
SDA1
DA
CONNECT_WPS
NPCM
MODEL_SEL
POWER_DOWN
WAKE_UP_MODULE
MUTE_K
VOL_UP_K
EX
T
_R
ES
ET
N
.C
V
O
L_
D
O
W
N
_K
C
O
R
E_
O
N
/O
FF
SP
I_
C
LK
N
.C
SP
I_
M
IS
O
SP
I_
M
O
SI
N
.C
SP
I_I
R
Q
TOOL0
RESET
TRIGGER
IR OUT
OUT
DGND
MUTE_KEY
VOL_UP_KEY
VOL_DOWN_KEY
+5V_D
MUTE_LED
PAGE4
LEGO MODULE
SIDE KEY B'D
RESET
S/W
ONLY HEOSLINK
DIR
PAGE2
DAMP_FAULT
DAMP_CSD
DAMP_CLIP
SP_PROT
6.DGND
MAIN B'D
4.+8V_A
3.-8V_A
1.PREOUT_MUTE
CONNECT B'D
U
PD
A
T
E
DGND
+3.3V_CPU
DIR
PAGE2
TRI_OUT
POWER_DOWN
DGND
+5V_D
+5V_D
+3.3V_E
8V_ON/OFF
+5V_D_ON/OFF
DGND
+5V_D_ON/OFF
R141
R209
10K
OPEN 10K
OPEN
LINK AMP
R101
MODEL OPTION II
OPEN
0
R130 OPEN
33
LINK AMP
MODEL OPTION I
BN54
7P
11P
LINK
AMP
MODEL OPTION III
DGND
2.NET_STBY_ON
5.+8V_A
HEOSAMP USE
HEOSLINK N.C
N
C
(SW
)
D
GN
D
V
O
U
T
VOUT
VOUT
VOUT
TST2
TST1
TST0
N
C
V
FB
A
V
IN
POK
ENABLE
PVIN
PVIN
NC(SW)
NC(SW)
NC(SW)
NC(SW)
25,26
DGND
D
GN
D
DGND
DGND
D
GN
D
N.C
7.NC(LINK) / SP_MUTE(AMP)
BN55
CN14
8P
N.C
LINK
AMP
MODEL OPTION IV
TRI_OUT
2.ENABLE_LEDS/ADC_BIAS
44
43
42
41
40
39
38
37
36
35
34
33 32 31 30 29 28 27 26 25 24 23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC11
R5F100FCAFP
R
10
7
0
C
10
9
0
R108
OPEN
X102
OPEN
C
11
0
0
X101
32.768kHz
R
10
6
0
C
10
7
50
V
/18
pF
C
10
3
6.
3V
/2
.2
uF
D
10
3
1SS
35
5
C
10
2
10
V
/0
.33
uF
C
10
1
16
V
/100
uF
C
10
4
6.
3V
/220
uF
D101
RB160L60TE25
R104
47
C
10
6
16
V
/0
.1
uF
R
10
5
0
C
10
5
10
V
/1
uF
1
2
3
4
5
6
7
CN11
10022HS-07C
S101
CST1A035ZT
R
17
1
560
K
G
S
D
Q108
CVTNTR4501NT1G
R
16
8
10
K
R169
10K
R167
22
R
16
6
10
K
R170
10K
R101
0
L10
1
60
R
/3
A
C
11
2
6.
3V
/10
uF
C
11
1
10
V
/1
uF
C
11
3
16
V
/0
.1
uF
R164
10K
R165
10K
R131
33
R129
33
R208
OPEN
R128
1K
R134
47K
R133
33
R132
47K
R130
33
R110
0
R111
33
R112
33
R113
33
R114
33
R115
33
C
11
5
50
V
/0
.01
uF
Q102
RT1N141C
C
11
4
16
V
/0
.1
uF
R
13
6
O
PE
N
R
14
2
47
K
R122
47K
R
12
3
33
R
12
4
33
R
12
5
33
R126
47K
R
12
7
33
R205
10K
R148
4.7K
C
12
1
16
V
/0
.1
uF
R207
4.7K
R206
10K
R102
33
R103
4.7K
Q107
2SC4081
Q106
2SA1576A
Q101
2SC4081
R
14
4
3.
3K
R
20
9
10
K
R
14
3
3.
3K
R
13
7
3.
3K
D104
1SS355
R116
33
R117
33
R118
33
R
14
5
3.
3K
R
14
6
3.
3K
R
13
8
3.
3K
R
14
0
3.
3K
D106
1SS355
D107
1SS355
D105
1SS355
R
13
9
3.
3K
R
12
0
33
C
12
0
50
V
/100
pF
R
15
2
3.
3K
R147
3.3K
D
10
8
1SS
35
5
R149
4.7K
R150
4.7K
R151
4.7K
JK11
CJJ2D019Z
D
11
8
Z16
V
L102
60R/3A
JK12
CJJ2D008Z
R201
10K
C
12
2
50
V
/1000
pF
Q112
2N5401S
R203
20
R200
2.2K
C119
50V/0.01uF
C118 50V/0.01uF
C117 50V/0.01uF
C116 50V/0.01uF
R
20
4
O
PE
N
C
12
8
O
PE
N
R194
0
C
12
5
O
PE
N
R195
10K
R196
10K
R
19
8
0
R197
OPEN
C
12
7
O
PE
N
R199
0
R202
0
C
12
6
O
PE
N
Q111
HVT2N3904SP
C
12
3
50
V
/0
.1
uF
C
12
4
50
V
/0
.1
uF
1
2
3
4
5
6
7
CN13
R
14
1
10
K
R172
10K
D111
1SS355
R174
8.2K
R173
22K
R176
100K
Q113
RT1N141C
D112
1SS355
D113
1SS355
R
17
8
100
K
R177
1K
D114
1SS355
R181
15K
Q114
RT1N141C
R175
100K
D116
1SS355
Q115
RT1N141C
D117
1SS355
Q117
RT1N141C
R
80
1
O
PE
N
R
80
2
O
PE
N
C
12
9
16
V
/0
.1
uF
R162
0
R180
22K
R189
22K
R186
22K
R185
10K
R179
10K
R188
10K
R190
OPEN
R187
OPEN
C130
16V/0.1uF
C131 16V/0.1uF
R210
100K
1
5
4
2
N
C
V
C
C
GN
D
SU
B
V
O
U
T
3
IC12
BD4730G
C132
OPEN
R803
47K
C
10
8
50
V
/18
pF
R109
0
1
4
5
2
VIN
GND
C
O
N
T
R
O
L VOUT
NC 3
IC14NJM2831F33
D119
1SS355
R804
10K
R
80
6
1K
R
80
5
1K
C134
16V/0.1uF
C133
16V/0.1uF
C135 50V/0.1uF
R808
0
R807
0
C
13
7
16
V
/47
uF
R809
47K
C138
47P
R810
3.3K
C
15
1
O
PE
N
C
15
2
6.
3V
/10
uF
R
81
9
348
K
/F
C
14
7
50
V
/3
.3
pF
C
14
6
10
V
/1
uF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
IC13
EN5339QI
R818
100K
C
15
0
O
PE
N
C
14
9
6.
3V
/10
uF
C
14
4
6.
3V
/10
uF
C
14
8
6.
3V
/22
uF
L104
220R/2A
L105
220R/2A
L106
220R/2A
L107
220R/2A
R
82
0
76
.8
K
/F
R
82
1
0
C
14
5
50
V
/0
.1
uF
R
81
7
O
PE
N
R816
3.3K
C
14
3
6.
3V
/220
uF
1
2
3
4
5
6
Q118
TPC6111
R813
10K
C
14
2
50
V
/0
.1
uF
R
81
4
10
K
Q119
RT1N141C
L103
220R/2A
C
14
0
50
V
/0
.01
uF
C
13
9
16
V
/0
.1
uF
C
14
1
50
V
/1000
pF
R815
33
R812
47K
R811
47K
T
41
11
9
10
8
7
6
5
4
3
2
1
BN54
CJP11GB310ZY
D115
1SS355
Q116
RT1N141C
R183
22K
R182
10K
R184
OPEN
2
1
3
4
6
5
7
8
9
CN14
CJP09HJ282Z
7
6
5
4
3
2
1
BN55
CJP07GB310ZY
Q120
OPEN
R822
OPEN
R
82
3
O
PE
N
C
15
3
O
PE
N
BK11
CMD1A569-V1
BRACKET
MCU_RESET
+3.3V_CPU
+3.3V_CPU
+3.3V_E
+5V_ST
+3.3V_E
DGND
+3.3V_CPU
DGND
DGND
DGND
DGND
DGND
+3.3V_CPU
CONNECT_BUTTON_CORE
+3.3V_E
VU_BUTTON_CORE
VD_BUTTON_CORE
MUTE_BUTTON_CORE
+3.3V_D
DGND
+12V_D
+3.3V_CPU
DGND
DGND
DGND
MUTE_LED
MCU-OTHER
VOL_DA
VOL_CL
STBY_STATUS
DAMP_CSD
DIR1_ERROR
EXT_RESET_CORE
EXT_RESET_CORE
SPI_MISO
SPI_MISO
SPI_MOSI
SPI_MOSI
SPI_CLK
SPI_CLK
SPI_IRQ
SPI_IRQ
UART_RX_1
STBY_STATUS
TOOL0_TX
NSS1
STBY_STATUS
TOOL0_TX
UART_RX_1
NSS1
+8V_A
-8V_A
+12V_D
+5V_D
+3.3V_E
+3.3V_D
DGND
DGND
DGND
DGND
DGND
+5V_D
DIR1_NPCM
8V_ON/OFF
DIR1_ERROR
DIR1_ERROR
DIR1_NPCM
DIR1_NPCM
DGND
DIR_SCL
DIR_SDA
DGND
+5V_D
TOOL0_TX
DAMP_CSD
SP_PROT
DGND
-8V_A
PREOUT_MUTE
+3.3V_E
VOL_DA
VOL_CL
CONNECT_WPS
NSS1
POWER_DOWN
8V_ON/OFF
DIR_SCL
CONNECT_WPS
VOL_CL
VOL_DA
+3.3V_E
+3.3V_CPU
DAMP_FAULT
IR_OUT
DIR_SDA
DIR_SDA
DIR_SCL
WAKE_UP_MODULE
SP
I_I
R
Q
SP
I_
C
LK
SP
I_
M
O
SI
SP
I_
M
IS
O
WAKE_UP_MODULE
WAKE_UP_MODULE
TRI_OUT/SP_MUTE
DAMP_FAULT
DAMP_FAULT
IR
_O
U
T
EX
T
_R
ES
ET
D
C
_P
R
O
T
EC
T
+3.3V_E
+3.3V_D
DGND
UART_RX_1
8V_ON/OFF
CONNECT_WPS
SP_PROT
SP_PROT
POWER_DOWN
D
C
_P
R
O
T
EC
T
+3.3V_CPU
EX
T
_R
ES
ET
EX
T
_R
ES
ET
_C
O
R
E
TRI_OUT/SP_MUTE
TRI_OUT/SP_MUTE
TRI_OUT/SP_MUTE
IR_OUT
DAMP_FAULT
DGND
+8V_A
+5V_A
RESET
DAMP_CLIP
DAMP_CLIP
DGND
DGND
DGND
+5V_D
DGND
DGND
NET_STBY_ON/ENABLE_LEDS/ADC_BIAS
A0
A1
A2
A3
A4
CN14
BN54
CN13
SCHEMATIC DIAGRAMS (1/2)
8U-310014 SACD UNIT (1/2)
SCHEMATIC DIAGRAMS
SCH01_DIGITAL 1
(1/8)
40
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A
B
C
D
E
F
G
H
J
K
L
M
A
B
C
D
E
F
G
H
J
K
L
M
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Summary of Contents for HEOS Amp HS2
Page 8: ...Personal notes 8...
Page 28: ...AUDIO CHECK PATH AUX IN LINE IN 28...
Page 29: ...OPT IN 29...
Page 30: ...This Phone Online music USB IN 30...
Page 31: ...EASY SETUP 31...
Page 34: ...Personal notes 34...
Page 49: ...Personal notes Personal notes 49...
Page 58: ...PCM9211 Pin Discriptions 58...