Clevo PB70DDS - Subwoofer

Schematic Diagrams
B - 82 Subwoofer
B.Schematic Diagrams
Subwoofer
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
SUB Woofer out
(H=Mute)
Ra
Rb
Rc
Rd
Output Power4Ω
7.3W
(W)
1.85V
TPA3131D2
Output Power8Ω (W)
4W
PLIMIT(V)
75KΩ 27KΩ
GVDD
(=7.4V)
Ra
Rb
Rc Rd
GAIN
NC
20dB
26dB
32dB
36dB
5.6KΩ
20KΩ100KΩ
100KΩ 39KΩ
47KΩ75KΩ
(L=SD)
40 mil
AM2AM0 AM1
400KHz
500KHz
600KHz
1000KHz
1200KHz
0
1
0
1
0
0
0
1
1
0
0
0
0
0
1
Switching
Frequency
FC: 3KHz
FILTER-2
SUBWOOFER_FILTER
Normal SUBWOOFER
40 mil
FC: 3KHz
FILTER-1
XINPUT2-
XAMP_EN_WOOFER
XAM2
XAM1
XAM0
XAM1
XAM2
XAM0
XTPA3131_GAIN/SLV
XTPA3131_PLMIT
XTPA131_GVDD
X2CH_SUBWOOFER_RC
XTPA3131_SYNC
XTPA3131_OUTNL
XTPA131_BSPL
XTPA3131_BSNL
XTPA3131_OUTPL
XAMP_EN_WOOFER
X2CH_SUBWOOFER_RC
XSUB_R
XSUB_L
XAMP_PWR
XAMP_PWR
XAMP_3V3LDO
XAMP_3V3LDO
XAMP_PWR
X3.3VS
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG XAUDG XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDGXAUDG
XAUDG
XAUDG
XAUDG
XAMP_PWR
XAUDG
XAUDG
XAMP_PWR
XAMP_PWR
XAUDG
XAUDG
XAMP_PWR
XAMP_PWR
XAUDG XAUDG
XAUDG
XAUDG
XAMP_PWR
XAUDG
XAUDG
XAUDG
XAMP_EN_WOOFER[80,83]
XTPA3131_OUTNL [84]
XTPA3131_OUTPL [84]
XAMP_PWR[80,82,83]
X3.3VS[79,80,82,83,84]
XFRONT_R[80]
XFRONT_L[80]
Title
Size Document Number Re v
Date: Sheet
of
6-71-PB5DV-D02
D02
[81] CR BD NORM SUBWOOFER_X
A3
81 84Tuesday, December 17, 2019
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
PB50DF2
Title
Size Document Number Re v
Date: Sheet
of
6-71-PB5DV-D02
D02
[81] CR BD NORM SUBWOOFER_X
A3
81 84Tuesday, December 17, 2019
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
PB50DF2
Title
Size Document Number Re v
Date: Sheet
of
6-71-PB5DV-D02
D02
[81] CR BD NORM SUBWOOFER_X
A3
81 84Tuesday, December 17, 2019
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
PB50DF2
XR59
100K_04
XC30 1u_6.3V_X5R_04
XC60 0.22u_25V_X7R_06
XC45
0.1u_16V_X5R_02
XR56
100K_04
XR27
*10K_04
XC108 0.01u_50V_X7R_04
XR52
0_04
XC36
10u_25V_X5R_08
XR36 47K_04
XR32
*100K_04
XC107
0.01u_50V_X7R_04
+
-
OPA
V+
V-
XU6A
LM324APWR
4
1
2
11
3
XC97
0.1u_25V_X5R_04
XR31
10K_04
XC74 0.01u_50V_X7R_04
XR16 *300K_1%_04
XC102
*0.1u_25V_X5R_04
XC94
0.1u_25V_X5R_04
XR58
4.32K_1%_04
XC48
0.1u_16V_X5R_02
XR33
10K_04
XC93
0.1u_25V_X5R_04
XR62
0_04
XC38 1u_6.3V_X5R_04
XR57
45.3K_1%_04
XR45
3.32K_1%_04
XC35 1u_6.3V_X5R_04
XC90
0.1u_25V_X5R_04
XC53
10u_25V_X5R_08
XR67
*4.3K_1%_04
XC89
0.1u_25V_X5R_04
XC47
10u_25V_X5R_08
XR35
10K_04
+
-
OPA
V+
V-
XU6D
LM324APWR
4
14
13
11
12
XQ1
2SK3018S3
G
DS
XR34
*10K_04
XR61
*100K_04
XR30
27K_1%_04
XR26
*10K_04
XR15 0_04
XR25
*short-p_04
+
-
OPA
V+
V-
XU6B
LM324APWR
4
7
6
11
5
XR37 1K_04
+
-
OPA
V+
V-
XU6C
LM324APWR
4
8
9
11
10
XR29
75K_04
XC44
0.1u_16V_X5R_02
XC81
0.1u_25V_X5R_04
XC37
470p_50V_X7R_04
XC54
10u_25V_X5R_08
XC59 0.22u_25V_X7R_06
XC29 1u_6.3V_X5R_04
XR51
*4.3K_1%_04
XC49
0.1u_16V_X5R_02
XR55
100K_04
XU3
TPA3131D2RHBR
PLIMIT
1
GVDD
2
GAIN/SLV
3
GND
4
INNL
5
INPL
6
MUTE
7
AM2
8
AM1
9
AM0
10
SYNC
11
AVCC
12
PVCC
13
PVCC
14
BSPL
15
OUTPL
16
GND
17
OUTNL
18
BSNL
19
GND
20
GND
21
BSNR
22
OUTNR
23
GND
24
OUTPR
25
BSPR
26
PVCC
27
PVCC
28
SDZ
29
FAULTZ
30
INPR
31
INNR
32
Thermal pad
33
XR68
4.32K_1%_04
XC66
*0.1u_25V_X5R_04
XC75
0.01u_50V_X7R_04
XR50
*100K_04
XR54
100K_04
XC27
1u_25V_X7R_06
XR49
3.32K_1%_04
XC55
4.7u_25V_X5R_06
XC65
10u_25V_X5R_08
XR53
45.3K_1%_04
XR60
4.32K_1%_04
XR28 100K_04
XR17
5.6K_04
XC82
4.7u_25V_X5R_06
XC46
4.7u_25V_X5R_06
Sheet 81 of 85
Subwoofer