Haier LE48B7500 Service Manual page 50

48″ lcd tv
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2
AMP_AUOUTL0
2
AMP_AUOUTR0
+3.3V_Standby
R630
4K7 1/16W 5%
AMP_MUTE
12
AUDIO_EN
+5V_Standby
AC OFF POPO
R629
10K 1/16W 5%
R627
Q602
10K 1/16W 5%
MMBT3906
R628
10K 1/16W 5%
C450
22UF 20% 6.3V
FB603
P24V
PVDD
1
2
300R 4A
STP3
SHORT TEST POINT
STP2
SHORT TEST POINT
STP1
SHORT TEST POINT
PGND
AV_L_OUT#
AV_R_OUT#
+5V_Normal
R611
10K 1/16W 5%
R612
Q601
AMP_MUTE
POP
MMBT3904
10K 1/16W 5%
R613
AV_L_OUT#
100OHM
C616
+5V_Normal
AMP_MUTE
Low:
Mute disablde
High: Mute enable
POP
R633
27K 1/16W 1%
R625
AV_R_OUT#
100OHM
HS601
HEAT SINK
1
2
PGND
1.2A Max
U601
Thermal Pad
AMP_STB
1
SDZ
PVCCL
C613 100N 50V
2
FAULTZ
PVCCL
3
LINP
BSPL
220NF 25V
C622
4
LINN
OUTPL
220NF 25V
5
GAIN0
PGND
PVDD
6
GAIN1
OUTNL
R620
NC/10 OHM 1/4W
7
AVCC
BSNL
C627
NC/1UF 10% 16V
8
AGND
BSNR
R634
9
100K 1%
GVDD
OUTNR
C631
1UF 10% 16V
10
PLIMIT
PGND
C632
1UF 10% 16V
11
RINN
OUTPR
C633
220NF 25V
12
RINP
BSPR
C635
220NF 25V
13
NC
PVCC
14
PBTL
PVCC
AD52580-QG28NAR
T P V ( Top
絬 隔 瓜 絪 腹
Key Component
Date
50
29
PVDD
PGND
28
NC/100UF 35V
NC/100UF 35V
+
C614
+
C615
100N 50V
C619
27
C618
1NF 50V
PGND
PGND
PGND
PGND
26
C620
L602
NC/220N 25V
22uH
C623
R616
330pF 50V
25
PGND
10OHM1/16W
PGND
24
PGND
23
L603
22uH
C626
R621
330pF 50V
22
PGND
C625
10OHM1/16W
NC/220N 25V
PGND
21
C628
L601
NC/220N 25V
22uH
C630
R623
330pF 50V
20
PGND
10OHM1/16W
PGND
19
PGND
18
L604
22uH
C637
R626
330pF 50V
17
PGND
C636
10OHM1/16W
NC/220N 25V
PGND
PVDD
16
C638
C639
15
100N 50V
1NF 50V
PGND
PGND
Victory
Electronics
Co . ,
Ltd. )
OEM MODEL
TPV MODEL
08. AUDIO AMP
PCB NAME
Wednesday , Nov ember 20, 2013
Sheet
8
of
12
C612
C617
10uF 16V
10uF 16V
PGND
PGND
L+
C624
1UF 10% 16V
L-
C629
1UF 10% 16V
4
R-
CN601
3
2
1
C634
1UF 10% 16V
CONN
R+
C641
1UF 10% 16V
B
Size
Rev
A
<称爹>
称 爹

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