Amp; Tpa3138 - Philco 91PLD32HS9B Service Manual

Skyworth RGB R&D Centre
Pag2 Amp

TPA3138

F6A01 F3A L32V
+12V_PWR
AV_LOUT
VDD_AMP
AV_ROUT
静音电路
AMP_MUTE
R6A15
VDD_AMP
100Ω
R6A29
47KΩ
AMP_INL
R6A31
150Ω C6A30
R6A30 C6A28
2.2nF NC/2.7KΩ
50V 220nF
16V
AUDIOGND
C6A03 220nF
16V
C6A16 1uF R6A21
C6A12 16V 10KΩ
1uF R6A18
16V 6.8KΩ C6A08 C6A29
220nF 220nF
AUDIOGND 16V 16V
AMP_INR
R6A26
150Ω C6A22
R6A27
2.2nF NC/2.7KΩ
50V
AUVRM AUDIOGND
R6A10 0Ω
注：AUVRM回主IC的地
AMP_Mute AMP_MUTE
[12]
VDD_AMP
CE6A1 C6A10 C6A19
220uF 100nF 1nF
16V 16V 50V
C6A14
220nF
U6A01 50V
29
EP
1 28
C6A06
NC1 PVCCL
2 27
220nF
SD/FAULT PVCCL
3 26
50V
LINP BSPL
4 25
LINN OUTPL
5 24
GAIN_SEL GND
6 23
MODE_SEL OUTNL
7 22
AVCC BSNL
8 21
GND BSNR
9 20
GVDD OUTNR
10 19
C6A15
PLIMIT GND
11 18
220nF
RINN OUTPR
12 17
50V
RINP BSPR
13 16
NC13 PVCCR
14 15
AGND PVCCR
TPA3138D2PWPR
C6A21
220nF
50V
VDD_AMP
C6A04 C6A13
100nF 1nF
16V 50V
Technical Document
FB6A1/FB6A2/FB6A3/FB6A4与部品确认，此料无替代料，限选可使用；
FB6A1 100Ω/100MHz
R6A19 R6A39
4
10Ω 68Ω L+
3
2
1
C6A07 C6A05
330pF 2.2nF
50V 50V
L-
FB6A2 100Ω/100MHz
根据实际选用,
R6A23
注意输出极性与线材匹配
10Ω R6A38
68Ω
1
2
C6A25
3
330pF C6A01
4
50V 2.2nF
5
50V
6
FB6A3 100Ω/100MHz
R6A24 R6A36
R-
10Ω 68Ω
1
2
C6A26 C6A02
3
330pF 2.2nF
4
50V 50V
R+
FB6A4 100Ω/100MHz
R6A25
10Ω
R6A37
68Ω
C6A27
330pF
50V C6A18
2.2nF
50V
47/60
CN6A2
NC/CN_M
CN6A3
CN-M
CN6A1
NC/CN_M