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12.5. A Board Schematic Diagram - (3/20)
002 sLD2(A-CHIP)
Analog Audio In I/F
GUARD_SL
P_LIN1_LP
<< MAIN_L
P_LIN1_LP
R4941
C4941
1%
140k
10V
10u
GUARD_SR
P_LIN1_RP
R4942
C4942
<< MAIN_R
P_LIN1_RP
1%
140k
10V
10u
002 sLD2(A-CHIP)
Analog Audio Out I/F
GUARD_SL
NET00753
>> Monitor L
P_LO1_L
C4943
0.01u
25V
C
GUARD_SR
NET00754
>> Monitor R
P_LO1_R
C4944
0.01u
25V
C
P_LO2_L
P_LO2_L
P_LO2_R
P_LO2_R
P_LO3_L
P_LO3_R
10V
*C4952
100u
P_HP1_R
P_HP1_L
10V
*C4953
to HeadPhone out L, R
100u
*R4986
*C4955
*C4954
*R4985
25V
25V
10k
10k
0.033u
0.033u
C
C
002 sLD2(A-CHIP)
Audio Mute
NORMAL
D4971
MUTE
B0ACCJ000048
P_A_MUTE
VJ4971
007 AVSW
GUARD_SL
MAIN_L
AusioSW->Analog Audio_L
GUARD_SR
MAIN_R
AusioSW->Analog Audio_R
P_LO1_L
to AudioSW DTV_LOUT for M-OUT
P_LO1_R
to AudioSW DTV_ROUT for M-OUT
SPDIF_OUT
HP
0.5mm
HP_ROUT
HP_LOUT
HP_MUTE
*Q4973
008 ASIC
B1ABBE000003
*R4982
*Q4972
100
C
DSA200100L
*R4987
B1ADCE000022
AMP_STBY
100
MON_DEF
*Q4974
B1ABBE000003
*R4983
SUB3.3V
100
SOUND_SOS
C
P_STMGPIO7
C
R4971
10k
Q4971
B1ABBE000003
R4973
10k
R4972
22k
C
C
NORMAL
IECOUT( -> sheet7 )
P_IECOUT
MUTE
PWM_READY
P_NSHUTDOWN
P_PWM0LP
P_PWM0LN
P_PWM0RP
P_PWM0RN
P_PWM1LP
P_PWM1LN
P_PWM1RP
P_PWM1RN
P_MUTEB
002 sLD2(D-CHIP)
AUDIO I/F
SUB3.3V
Q4930
sLD-STMSBT0
TP5170
DSA200100L
OPERATE
SOS
R4931
B1ADCE000022
To SOS
220
R4932
C4930
R4930
2.2k
16V
3.9k
0.1u
C
OPERATE
C
R4933
TP5171
2.2k
SOS
C4931
0.1u
16V
C
SPDIF_OUT
OPERATE
RESET
AMP_STBY
SOUND_SOS
GUARD_CLK
P_IECOUT
R4951
R4952
S
S
C4951
22p
50V
C
PWM_READY
MUTE
P_NSHUTDOWN
R4905
47k
EXB28V220JX
C
22
P_PWM0LP
Wo_L+ >>
PWM_WO_L+
PWM_WO_L-
P_PWM0LN
Wo_L- >>
Wo_R+ >>
PWM_WO_R+
Wo_R- >>
PWM_WO_R-
R4901
C4901
C4904
50V
50V
1000p
1000p
EXB28V220JX
C
C4902
C4903
50V
50V
22
1000p
1000p
C4984
50V
SUB3.3V
1000p
*R4981
P_MUTEB
C
C4972
50V
R4975
10k
1000p
47
C4905
C4906
SUB3.3V
25V
25V
10u
10u
OPERATE
R4902
R4909
10k
10k
R4906
RESET
C
4.7k
IC4900
LV4923VH-TLM-H
C4910
C4911
C4912
C4913
C1AB00003457
C
50V
25V
25V
25V
R4910
PWM_READY
1
STBY
36
1000p
1u
10u
10u
R4907
2.7k
PVD1
1.2k
MUTE
1k
2
MUTE
35
PVD1
G1C150MA0426
R4903
C
R4908
3
34
L4900
SOS
OUT_CH1_P
47k
OPERATE
4
33
C
NC1
OUT_CH1_P
SOS
C4914
50V
5
NC2
32
BOOT_CH1_P
6
31
0.1u
NC3
VDDA1
C4916
C4915
50V
7
NC4
30
25V
BOOT_CH1_N
1u
PWM_Wo_L+ >>
0.1u
C
TP4951
8
PWM_A1
29
OUT_CH1_N
G1C150MA0426
PWM_Wo_L- >>
TP4952
9
PWM_B1
28
L4901
OUT_CH1_N
PWM_Wo_R+ >>
TP4953
10 PWM_B2
27
OUT_CH2_N
L4902
PWM_Wo_R- >>
TP4954
11 PWM_A2
26
G1C150MA0426
OUT_CH2_N
C4924
50V
12 NC5
25
BOOT_CH2_N
0.1u
C4925
13 NC6
24
VDDA2
25V
C4926
50V
1u
14 NC7
23
BOOT_CH2_P
0.1u
C
15 NC8
22
OUT_CH2_P
16 NC9
21
OUT_CH2_P
L4903
17 NC10
20
G1C150MA0426
PVD2
18 NC11
19
PVD2
C
GND
GND
FIN
FIN
C
C4920
C4921
C4922
C4923
50V
25V
25V
25V
1000p
1u
10u
10u
C
C4975
C4976
SUB3.3V
25V
25V
10u
10u
OPERATE
R4916
R4977
10k
R4917
10k
RESET
C
4.7k
*IC4901
LV4923VH-TLM-H
C4977
*C4978
*C4956
C4957
C1AB00003457
C
50V
25V
25V
25V
R4918
PWM_READY
1000p
1u
1
STBY
36
10u
10u
R4915
2.7k
PVD1
1.2k
MUTE
1k
2
35
MUTE
PVD1
G1C150MA0426
R4919
R4978
C
*L4906
3
34
47k
SOS
OUT_CH1_P
C
OPERATE
4
NC1
33
OUT_CH1_P
*C4958
SOS
50V
5
32
NC2
BOOT_CH1_P
0.1u
6
NC3
31
*C4961
VDDA1
*C4960
50V
*C4959
25V
7
NC4
30
BOOT_CH1_N
1u
0.1u
C
PWM_Wo_L+ >>
PWM
100k
PD
TP4932
8
PWM_A1
29
OUT_CH1_N
G1C150MA0426
PWM_Wo_L- >>
*L4907
TP4933
9
PWM_B1
28
OUT_CH1_N
10 PWM_B2
27
OUT_CH2_N
11 PWM_A2
26
OUT_CH2_N
*C4968
50V
12 NC5
25
BOOT_CH2_N
0.1u
*C4969
13 NC6
24
25V
VDDA2
*C4982
1u
50V
14 NC7
23
BOOT_CH2_P
0.1u
C
15 NC8
22
OUT_CH2_P
16 NC9
21
OUT_CH2_P
17 NC10
20
PVD2
18 NC11
19
PVD2
C
GND
GND
FIN
FIN
C
C4985
*C4979
*C4980
C4981
50V
25V
25V
25V
1u
10u
10u
1000p
C
TC-P42GT30A
S15V
SPEAKER
C4918
C
R2127
25V
3.3
0.47u
C2375
50V
C2337
0.022u
50V
TP4900
0.022u
C
C2339
50V
C1090
50V
0.022u
C2377
50V
1000p
SM04B-PBVSS-TB(LF)(SN)
C4919
25V
R2121
C
0.022u
C
K1KY04B00013
3.3
0.47u
TP4901
L+
C1091
50V
L-
4
1000p
C
R+
3
C4928
R2125
3.3
25V
TP4902
0.47u
2
C
C2381
C2345
C1092
R-
50V
50V
50V
1
0.022u
0.022u
1000p
C
C
C2347
C2379
50V
50V
TP4903
A11
0.022u
C1093
C
C4929
0.022u
50V
25V
C
R2123
1000p
0.47u
C
TO SPEAKER
3.3
AUDIOAMP2
S15V
R4922
C4983
50V
TO SPEAKER
*C4962
3.3
25V
1000p
TP4904
C
C4966
4
0.47u
C
C4964
50V
Wo+
50V
0.022u
3
0.47u
0.022u
50V
C
C4967
C4965
50V
50V
Wo-
*C4963
0.022u
TP4905
0.022u
25V
1
R4923
0.47u
C
3.3
C
*A12
C4971
K1KY02B00018
50V
1000p
SM02(4.0)B-PBVSS-TB(LF)(SN)
C
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