AOC LE32H1461/20 Service Manual page 57

12V_AMP
PVDD PVDD
Close Close
FB602
U601.4 U601.41
1 2
50mil 120R 6A
+ +
C609 C616 C690
100uF 25V 100nF 50V 100uF 25V
AMP Mute 5/28
DVDD3V3
TP063
R634
AMP_PDN
NC 10K 1/16W 5%
TP065
AMP_MUTE
Q602
R633 NC MMBT3904
NC 10K 1/16W 5%
AMP_MUTE AMP_PDN
R635 NC 22R 1/16W 5%
SPK_MUTE(OPWM4-->GPIO5)
H: AMP worlable
L: AMP Power down
C637 C638
47nF 16V 4.7nF 50V
R612
470R 1/16W 5%
DVDD3V3
AMP3V3
1 2
FB603
120R 3A
C614 C612
C617 10UF 6.3V 20% 100NF 16V
100nF 50V
U601
1
GND
2
OUTA
OUTA
3
C691 C624 33nF50V
BSTA
100NF 16V
4
PVDD
PVDD
5
PWM1
6
PWM2
7
HPL_IN
HPIL
8
OUTL
HPOL
OUTR 9
HPOR
10
HPR_IN
HPIR
11
HPVSS
12
C634 1UF 25V
CN
C636
13
1UF 25V
CP
14
AMP3V3
HPVDD
15
GND
16
FLTM
R610
17
470R 1/16W 5%
FTLP
18
C639
AVDD_REG1
4.7nF 50V AMP3V3
AMP3V3
19
AVDD
C641
R613 20
ADR
47nF 16V
ADR
10K +-1% 1/16W
AOMCLK 21
MCLK
22
ROSC
23
GND
24
DVDD_REG
R614 C642
18.2K OHM +-1% 1/16W 4.7UF 10% 10V TAS5729MD
C610 C613 C615
C611
10UF 6.3V 20% 100NF 16V 10UF 6.3V 20%
100NF 16V
48 OUTB
OUTB
47
C623 33nF50V
BSTB
46
C625 33nF50V
BSTC
45 OUTC
OUTC
44
GND
43 OUTD
OUTD
42
C628 33nF50V
BSTD
41
PVDD
PVDD
40
C630 1UF 25V
GVDD_REG
39
HP_AC_MUTE
HP_SD
38
C633 2.2nF 50V
SSTIMER
37
C635 100NF 16V
AVDD_REG2
36
AMP3V3
GND
35
10mil
GND
34
AMP3V3
DVDD
33
TEST
32
AMP_RESETN
RESET
R611
31
1K 1/16W 1%
NC
30
R631 OSCL0
SCL
33R 1/16W 5%
29
OSDA0
R632
SDA
33R 1/16W 5% AMP3V3
28 AOSDATA0
SDIN1
10mil
27
AOBCK
SCLK
R616
26 AOLRCK
10K +-1% 1/16W
LRCLK
25
AMP_PDN
PDN
57
OUTA
L601
C618 10uH
R605
18R 1/10W 5% C620
330pF 50V 1UF 16V
OUTB
L602
C622 10uH
R606
18R 1/10W 5%
330pF 50V
OUTC
R609 L603
10K +-1% 1/16W C627 10uH
R607
18R 1/10W 5% C629
330pF 50V 1UF 16V
OUTD
C640
L604
2.2UF
C632 10uH
R608
18R 1/10W 5%
330pF 50V
3,4,5,7,8,9,10,11,12,13,14,15,16,17,18 GND
3 12V_AMP 12V_AMP
DVDD3V3
3,4,5,8,9,10,11,13,15,16,17,18 DVDD3V3
GPIO & I2C Control
HP_AC_MUTE
HP_AC_MUTE 9
OSDA0
OSDA0 4
OSCL0
OSCL0 4
I2S Interface
AOMCLK
AOMCLK 5
AOBCK
AOBCK 5
AOLRCK
AOLRCK 5
AOSDATA0
AOSDATA0 5
HPL_IN
HPL_IN 5
HPR_IN
HPR_IN 5
OUTR
OUTR 5
OUTL
OUTL 5
AMP_MUTE
AMP_MUTE 14
FB604 120R 3A
1 2
C619
470NF 16V
FB605 120R 3A
1 2
L
C621
470NF 16V CN601
4
L+ L+
3
L- L-
2
R+ R+
R- 1
R-
FB606 120R 3A
CONN
1 2
5/28
C626 R
470NF 16V
FB607 120R 3A
1 2
C631
470NF 16V
4Pin 2.0mm
311GW200A04ABL
311GW200A04AAL(Vertical)
311GW200A04AAX(Vertical)
Heat Sink
HS601
2
1
NC/HEAT SINK