Schematic Diagrams
Subwoofer B - 89
B.Schematic Diagrams
Subwoofer
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
FC: 3KHz
FILTER-1
SUB Woofer out
!"
Ra
Rb
Rc
Rd
Output Power4
ȍ
7.3W
(W)
1.85V
TPA3131D2
Output Power8
ȍ
(W)
4W
PLIMIT(V)
75K
ȍ
27K
ȍ
GVDD
(=7.4V)
Ra
Rb
Rc
Rd
GAIN
OPEN
20dB
26dB
32dB
36dB
5.6K
ȍ
20K
ȍ
100K
ȍ
100K
ȍ
39K
ȍ
47K
ȍ
75K
ȍ
#!$%
40 mil
20180413 change value
MLCC Comm part
MLCC Comm part
MLCC Comm part
MLCC Comm part
MLCC Comm part
MLCC Comm part
MLCC Comm part
MLCC Comm part
MLCC Comm part
MLCC Comm part
MLCC Comm part
MLCC Comm part
MLCC Comm part
MLCC Comm part
MLCC Comm part
20180502
subwoofer mute independent
for factory test
AM2
AM0
AM1
400KHz
500KHz
600KHz
1000KHz
1200KHz
0
1
0
1
0
0
0
1
1
0
0
0
0
0
1
Switching
Frequency
20180723 Del XSUB_GND
20180731
Change IC
20180731
Change IC
20180731
Change IC
20180731
Change IC
D02 1003A follow
ℙ
ℙ
ℙ
ℙ 䓐
䓐
䓐
䓐
change footprint
D02 1003A follow
ℙ
ℙ
ℙ
ℙ 䓐
䓐
䓐
䓐
change footprint
D02A modify XSUB_GND to XAUDG
D02A 0201 to 0402
FC: 3KHz
FILTER-2
D02A change filter frequence
D02A change filter frequence
D02A change filter frequence
D02A change filter frequence
D02A change filter frequence
D02A
change filter
frequence
D02A
change filter
frequence
D02A volume
D02A volume
D02A volume
XAMP_PW R
XAMP_PW R
XAMP_PW R
XAMP_PW R
XAMP_PW R
XAMP_PW R
XAMP_PW R
XAMP_PW R
XAMP_PW R
XAUDG
XAUDG
XAUDG
XAMP_3V3LDO
XAMP_3V3LDO
XAMP_PW R
XAMP_PW R
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
X3.3VS
XAUDG
X5VS
86,87
XFRONT_R
86,87
XFRONT_L
86,87
XAMP_EN_W OOFER
86,90
XTPA3131_OUTNL
91
XTPA3131_OUTPL
91
XAMP_PW R
86,89,90
X3.3VS
86,89,90,91
Title
Size
Document Number
Rev
Date:
Sheet
of
6-71-PB50V-D03
D03
[88] CR BD SUBWOOFER_X
A3
88
91
Friday, December 07, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
PB50EF
Title
Size
Document Number
Rev
Date:
Sheet
of
6-71-PB50V-D03
D03
[88] CR BD SUBWOOFER_X
A3
88
91
Friday, December 07, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
PB50EF
Title
Size
Document Number
Rev
Date:
Sheet
of
6-71-PB50V-D03
D03
[88] CR BD SUBWOOFER_X
A3
88
91
Friday, December 07, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
PB50EF
+
-
OPA
V+
V-
XU5D
LM324APW R
CR BD N SUB
4
14
13
11
12
XC21
10u_25V_X5R_08
CR B
D
N S
U
B
XC46
0.22u_25V_X7R_06
CR BD N SUB
XR58
100K_04
CR BD N SUB
XR22
*10K_04
CR BD N SUB
XR44
3.32K_1%_04
CR BD N SUB
XC76
0.1u_25V_X5R_04
CR BD N SUB
XR21
*20mil_P_04
CR BD N SUB
XR31
10K_04
CR BD N SUB
XC68
4.7u_25V_X5R_06
CR BD N SUB
XR62
*0_04
CR BD N SUB
XC75
0.1u_25V_X5R_04
CR BD N SUB
XC52
10u_25V_X5R_08
CR B
D
N S
U
B
XQ1
UK3018 2.5V drive
CR BD N SUB
G
D
S
XR48
3.32K_1%_04
CR BD N SUB
XC15
1u_6.3V_X5R_04
CR BD N SUB
XC45
0.22u_25V_X7R_06
CR BD N SUB
+
-
OPA
V+
V-
XU5C
LM324APW R
CR BD N SUB
4
8
9
11
10
+
-
OPA
V+
V-
XU5A
LM324APW R
CR BD N SUB
4
1
2
11
3
XR29
10K_04
CR BD N SUB
XC16
1u_6.3V_X5R_04
CR BD N SUB
XR24
100K_04
CR BD N SUB
XR67
*4.3K_1%_04
CR BD N SUB
XC83
0.1u_25V_X5R_04
CR BD N SUB
XR26
27K_1%_04
CR BD N SUB
XR57
4.32K_1%_04
CR BD N SUB
XC90
0.01u_50V_X7R_04
CR BD N SUB
XC33
0.1u_16V_X5R_02
CR B
D
N S
U
B
XC38
10u_25V_X5R_08
CR B
D
N S
U
B
XR60
*100K_04
CR BD N SUB
XC84
*0.1u_25V_X5R_04
CR BD N SUB
XC30
0.1u_16V_X5R_02
CR B
D
N S
U
B
XR33
1K_04
CR BD N SUB
XR23
*10K_04
CR BD N SUB
XC24
470p_50V_X7R_04
CR BD N SUB
XC39
4.7u_25V_X5R_06
CR BD N SUB
XR52
45.3K_1%_04
CR BD N SUB
XR50
*4.3K_1%_04
CR BD N SUB
XR61
0_04
CR BD N SUB
XC67
0.1u_25V_X5R_04
CR BD N SUB
XC34
4.7u_25V_X5R_06
CR B
D
N S
U
B
XC20
1u_6.3V_X5R_04
CR BD N SUB
XR49
*100K_04
CR BD N SUB
XR54
100K_04
CR BD N SUB
XR30
*10K_04
CR BD N SUB
XC32
0.1u_16V_X5R_02
CR B
D
N S
U
B
XR56
45.3K_1%_04
CR BD N SUB
XR25
75K_04
CR BD N SUB
XR27
*100K_04
CR BD N SUB
XC23
1u_6.3V_X5R_04
CR BD N SUB
XR51
0_04
CR BD N SUB
XC79
0.1u_25V_X5R_04
CR BD N SUB
XC61
0.01u_50V_X7R_04
CR BD N SUB
XR68
4.32K_1%_04
CR BD N SUB
XR55
100K_04
CR BD N SUB
XR28
10K_04
CR BD N SUB
XR59
4.32K_1%_04
CR BD N SUB
XC14
1u_25V_X7R_06
CR BD N SUB
XR9
*300K_1%_04
CR BD N SUB
XC80
0.1u_25V_X5R_04
CR BD N SUB
XC31
0.1u_16V_X5R_02
CR B
D
N S
U
B
XR53
100K_04
CR BD N SUB
XR32
47K_04
CR BD N SUB
XC95
0.01u_50V_X7R_04
CR BD N SUB
XC36
10u_25V_X5R_08
CR B
D
N S
U
B
XC60
0.01u_50V_X7R_04
CR BD N SUB
XC89
*0.1u_25V_X5R_04
CR BD N SUB
XC37
10u_25V_X5R_08
CR B
D
N S
U
B
XU2
TPA3131D2RHBR
CR BD N SUB
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
T
her
m
al
pad
33
XR8
0_04
CR BD N SUB
+
-
OPA
V+
V-
XU5B
LM324APW R
CR BD N SUB
4
7
6
11
5
XR10
5.6K_04
CR BD N SUB
XSUB_R
XSUB_L
X2CH_SUBW OOFER_RC
XINPUT2-
XOUTPUT1
XAMP_EN_W OOFER
XAM2
XAM1
XAM0
XAM1
XAM2
XAM0
XTPA3131_GAIN/SLV
XTPA3131_PLMIT
XTPA131_GVDD
X2CH_SUBW OOFER_RC
XTPA3131_SYNC
XTPA3131_OUTNL
XTPA131_BSPL
XTPA3131_BSNL
XTPA3131_OUTPL
XAMP_EN_W OOFER
Sheet 88 of 91
Subwoofer
Summary of Contents for PB50EF
Page 1: ...PB50EF PB51EF ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer PB50EF PB51EF Service Manual ...
Page 13: ...Preface XI Preface Speaker Con B 92 ...
Page 14: ...Preface XII Preface ...
Page 26: ...Introduction 1 12 1 Introduction ...
Page 43: ...Top A 3 A Part Lists Top Figure A 1 Top ...
Page 44: ...A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 45: ...Main Board A 5 A Part Lists Main Board Figure A 3 Main Board ...
Page 46: ...A 6 HDD A Part Lists HDD Figure A 4 HDD ...
Page 47: ...LCD A 7 A Part Lists LCD Figure A 5 LCD ...
Page 48: ...A 8 A Part Lists ...