Subwoofer - Clevo PB70RC-G Service Manual

Subwoofer

5
D
XR58 100K_04 XAMP_PW R
XAMP_PW R
CR BD N SUB
D02A volume
XC80 45.3K_1%_04
3
XR56 V+
86,87 XFRONT_R
+
CR BD N SUB
0.1u_25V_X5R_04
XSUB_R
1
MLCC Comm part OPA
XR55
CR BD N SUB
100K_04 2 XU5A
-
CR BD N SUB
V- LM324APW R
CR BD N SUB
20180731
Change IC
XAUDG
XAUDG
XSUB_L
XR54 100K_04
XAMP_PW R
XAMP_PW R
CR BD N SUB
D02A volume
XC67 45.3K_1%_04
5
XR52 V+
86,87 XFRONT_L +
CR BD N SUB
0.1u_25V_X5R_04
7
MLCC Comm part OPA
CR BD N SUB
XR53 6 XU5B
-
100K_04 V- LM324APW R
CR BD N SUB CR BD N SUB
20180731
Change IC
C
XAUDG
XAUDG
TPA3131D2 GVDD Ra Rb Output Power4Ω (W) Output Power8Ω (W)
(=7.4V)
PLIMIT(V) 1.85V 7 5 K Ω 27KΩ 7.3W
XTPA131_GVDD
GAIN Rc Rd
XC14
XR27 XR25 1u_25V_X7R_06
20dB OPEN 5.6KΩ
B
*100K_04 75K_04 CR BD N SUB
MLCC Comm part
CR BD N SUB CR BD N SUB
Rc Ra
20KΩ
26dB 100KΩ
XAUDG
32dB 100KΩ 3 9 K Ω XR10 XR26
5.6K_04 27K_1%_04
CR BD N SUB CR BD N SUB
Rd
36dB 75KΩ 47KΩ
Rb
XAUDG XAUDG XTPA3131_PLMIT
XTPA3131_GAIN/SLV
D02A 0201 to 0402
XC23 1u_6.3V_X5R_04
XAUDG
XC20 1u_6.3V_X5R_04
D02A volume
X2CH_SUBW OOFER_RC
XR8 0_04 XC15 1u_6.3V_X5R_04
CR BD N SUB
XC16 1u_6.3V_X5R_04
XR9 *300K_1%_04
XAUDG
CR BD N SUB
XR24 100K_04 CR BD N SUB
XAMP_3V3LDO
XQ1
XAMP_EN_W OOFER
A G
UK3018 2.5V drive
86,90 XAMP_EN_W OOFER
CR BD N SUB
20180502
subwoofer mute independent
for factory test
XAUDG
5
4 3
FILTER-1
FC: 3KHz
XR57
4.32K_1%_04 D02A change filter frequence
XR62 *0_04 CR BD N SUB
CR BD N SUB
D02A change filter frequence
XC95 0.01u_50V_X7R_04 XOUTPUT1
CR BD N SUB
XAMP_PW R
XR59 XR68
4.32K_1%_04 4.32K_1%_04 D02A change filter frequence
10
V+
+
CR BD N SUB CR BD N SUB
8
OPA
XC89 XR67 XC90 9 XU5C
-
MLCC Comm part V- LM324APW R
*0.1u_25V_X5R_04 *4.3K_1%_04 0.01u_50V_X7R_04 CR BD N SUB XR61
CR BD N SUB CR BD N SUB CR BD N SUB 20180731 0_04
Change IC
D02A CR BD N SUB
change filter
XAUDG
frequence
XAUDG XAUDG
XR60
*100K_04
CR BD N SUB
XAUDG
XAMP_PW R
4W
XC31 XC30 XC36 XC52 XC34
XAUDG D02A modify XSUB_GND to XAUDG
XC32 XC33 XC38
XU2
2 26
GVDD BSPR
1 25
PLIMIT OUTPR
3
GAIN/SLV
23
OUTNR
22
BSNR
XTPA3131_BSNL
CR BD N SUB 31 19 XC46 0.22u_25V_X7R_06
INPR BSNL XTPA3131_OUTNL
CR BD N SUB 32 18 CR BD N SUB
INNR OUTNL
MLCC Comm part
XTPA3131_OUTPL
CR BD N SUB 6 16
INPL OUTPL
CR BD N SUB 5 15 XTPA131_BSPL
INNL BSPL
XC45 0.22u_25V_X7R_06
CR BD N SUB
XTPA3131_SYNC
7 11 XR32 47K_04
MUTE (H=Mute) SYNC
XAM2 8
AM2
XAM1 9 30 XR33 1K_04 XAMP_EN_W OOFER
AM1 FAULTZ
XAM0 10 29 CR BD N SUB
AM0 (L=SD) SDZ
TPA3131D2RHBR
CR BD N SUB
XAUDG
4 3
2
XAMP_PW R
XC75 XC68
0.1u_25V_X5R_04 4.7u_25V_X5R_06
CR BD N SUB CR BD N SUB
D02 1003A follow
change footprint
XAUDG
20180413 change value
MLCC Comm part
FILTER-2
FC: 3KHz
D02A change filter frequence
XC60 0.01u_50V_X7R_04
CR BD N SUB
XAMP_PW R
XR48 XR44
3.32K_1%_04 3.32K_1%_04 D02A change filter frequence
12
XINPUT2+ V+
+
CR BD N SUB CR BD N SUB
OPA
XC84 XR50 XC61
MLCC Comm part 13 XU5D
-
*0.1u_25V_X5R_04 *4.3K_1%_04 0.01u_50V_X7R_04 V- LM324APW R
CR BD N SUB CR BD N SUB CR BD N SUB CR BD N SUB
D02A 20180731
change filter Change IC
XAUDG
frequence
XAUDG
XAUDG XINPUT2-
XAMP_PW R XAMP_PW R
XC83 XC76
0.1u_25V_X5R_04 0.1u_25V_X5R_04
CR BD N SUB CR BD N SUB
MLCC Comm part MLCC Comm part
XAUDG XAUDG
XAMP_3V3LDO
X3.3VS
Switching
XR21
Frequency
*20mil_P_04
CR BD N SUB
XR23 XR22 XR30
*10K_04 *10K_04 *10K_04 400KHz
CR BD N SUB CR BD N SUB CR BD N SUB
XAM2 500KHz
XAM1
XAM0
600KHz
XR28 XR29 XR31
10K_04 10K_04 10K_04 1000KHz
XAMP_PW R
CR BD N SUB CR BD N SUB CR BD N SUB
XC21 XC37
1200KHz
XAUDG XAUDG XAUDG
XAUDG
40 mil
XTPA3131_OUTNL 91
XTPA3131_OUTPL 91
CR BD N SUB 20180723 Del XSUB_GND
XC24
470p_50V_X7R_04
CR BD N SUB
MLCC Comm part
XAUDG
Title Title Title
[88] CR BD SUBWOOFER_X [88] CR BD SUBWOOFER_X [88] CR BD SUBWOOFER_X
Size Size Size Document Number Document Number Document Number
6-71-PB50V-D03B 6-71-PB50V-D03B 6-71-PB50V-D03B
86,89,90 XAMP_PW R
A3 A3 A3 PB50EF PB50EF PB50EF
86,87 X5VS
86,89,90,91 X3.3VS
Date: Date: Date: Monday, January 14, 2019 Monday, January 14, 2019 Monday, January 14, 2019
2
Schematic Diagrams
1
XC39 XC79
4.7u_25V_X5R_06 0.1u_25V_X5R_04
CR BD N SUB CR BD N SUB
D02 1003A follow
change footprint
D
SUB Woofer out
X2CH_SUBW OOFER_RC
14
XR51
0_04
CR BD N SUB
XR49
*100K_04
CR BD N SUB
XAUDG
Sheet 88 of 91
C Subwoofer
AM0 AM1 AM2
0 0 0
1 0 0
B
0 1 0
1 1 0
0 0 1
A
R e v R e v R e v
D03B D03B D03B
Sheet Sheet Sheet 88 88 88 o f o f o f 91 91 91
1
Subwoofer B - 89