Amp Tpa2008D2 - Clevo PB70RC-G Service Manual

Schematic Diagrams

AMP TPA2008D2

D
86,88
for Volume Adjust
86,88
Sheet 87 of 91
Gain Value Adjust
AMP TPA2008D2
The volume control.
C
The gain range is
from -38db (Vvolume=0V~0.33V)
to +20db (Vvolume=3.7V~VDD)
with 31 steps precise control.
B
A
B - 88 AMP TPA2008D2
5 4
AMP FOR INTERNAL SPEAKER
20180502 Modify
86,89 XAMP_EN_SPK
XC92 2.2u_6.3V_X5R_04
XAUDG
CR BD N AMP
20 mil D02 1018 adjust volume
XR66 33K_1%_04 XC94 0_04
XFRONT_R
CR BD N AMP CR BD N AMP MLCC Comm part
XR65 *1K_04
XAUDG
XC93 0.1u_25V_X5R_04
CR BD N AMP XAUDG
CR BD N AMP
XR46 *1K_04
XAUDG MLCC Comm part
20 mil
CR BD N AMP
XR47 33K_1%_04 XC57 0_04
XFRONT_L
CR BD N AMP CR BD N AMP
D02 1018 adjust volume
XC56 0.1u_25V_X5R_04
XAUDG
CR BD N AMP
XR63 5.9K_1%_04
X5VS
CR BD N AMP
D02 1018 adjust volume
XR64 10K_1%_04
XAUDG
CR BD N AMP
XC54 XR45
CR BD N AMP CR BD N AMP
220p_50V_NPO_04 120K_04
XAUDG XAUDG
5 4
3
XC91
CR BD N AMP
XU4 0.1u_6.3V_X5R_02
CR BD N AMP
MLCC Comm part
3 20
SHUTDOWN ROUTP
XAUDG
22 21
BYPASS PVDDR1
24 17
RINN ROUTN
Speaker wire length less than 8000mils , It don't need LC Filter.
23 16
RINP PVDDR2 SPKOUTR+,R-,L+,L- Trace width 40mils, Via hole --> C40D20.
6 18
PGNDL1 PGNDR1
7 19
PGNDL2 PGNDR2
1 5
LINN LOUTP
2 9
LINP PVDDL1
14 4
VOLUME PVDDL2
15 13
NC VDD
10 8
COSC LOUTN
11 12
ROSC AGND
TPA2008D2
XAUDG XAUDG
3
2 1
XAMP_5VS X5VS
XL15 CR BD N AMP
HCB1608KF-121T30
XC55 XC98
CR BD N AMP CR BD N AMP
0.1u_6.3V_X5R_02 22u_6.3V_X5R_06
MLCC Comm part
XAUDG XAUDG
XROUTP 91
XROUTN 91
XLOUTP 91
XLOUTN 91
86 X5VS
Title Title Title
[87] CR BD AMP TPA2008D2_X [87] CR BD AMP TPA2008D2_X [87] CR BD AMP TPA2008D2_X
Size Size Size Document Number Document Number Document Number
6-71-PB50V-D03B 6-71-PB50V-D03B 6-71-PB50V-D03B
A4 A4 A4 PB50EF PB50EF PB50EF
Date: Date: Date: Monday, January 14, 2019 Monday, January 14, 2019 Monday, January 14, 2019 Sheet Sheet Sheet 87 87 87 o f o f o f
2 1
D
C
B
A
R e v R e v R e v
D03B D03B D03B
91 91 91