Sharp LC-32LD164E Service Manual page 56

LC-32LD164
LC-32LD165
LC-32LD166
AUDIO AMPLIFIER 4/19
5
I
12V
FB602 PVDD
1 2
120R 6A
+
C609 C616
330UF 35V 100N 50V
10/8
H D
OUTA
PVDD
G
F
C
C636
1UF 10% 16V
C637 C638 R610
E
47nF 16V 4.7nF 50V 470R 1/16W 5%
C639
R612 4.7nF 50V AMP3V3
470R 1/16W 5%
C641
47nF 16V
D
B
Heat Sink
SH2
C
2
1
HEAT SINK
B
A
A
5
1 2 3
4
DVDD3V3
AMP3V3
FB603
1 2
120R 3A
C617
100N 50V
U601
1 48
GND OUTB
C623
2 47
OUTA BSTB
C624 33nF50V C625
3 46
BSTA BSTC
4 45
PVDD OUTC
5 44
PWM1 GND
6 43
PWM2 OUTD
HPL_IN
C628
7 42
HPIL BSTD
SCART1L_PA
8 41
HPOL PVDD
SCART1R_PA
C630
9 40
HPOR GVDD_REG
HPR_IN HP_AC_MUTE
10 39
HPIR HP_SD
C633
11 38
HPVSS SSTIMER
C634 1UF 25V C635
12 37
CN AVDD_REG2
13 36
CP GND
AMP3V3
14 35
HPVDD GND
15 34
GND DVDD
16 33
FLTM TEST
AMP_RESETN
17 32
FTLP RESET
18 31
AVDD_REG1 NC
AMP3V3
OSCL0
19 30
AVDD SCL
R613
ADR OSDA0
20 29
ADR SDA
10K 1/16W 5%
AOMCLK AOSDATA0
21 28
MCLK SDIN1
AOBCK
22 27
ROSC SCLK
AOLRCK
23 26
GND LRCLK
AMP_PDN
24 25
DVDD_REG PDN
C642
4.7UF 10% 10V TAS5721
4
4 5 6
3
OUTA
L601
C618 33uH
R605
18R 1/10W 5% 10/25
330pF 50V
OUTB
L602
C622 33uH
R606
OUTB 10/25
18R 1/10W 5%
330pF 50V
33nF50V
33nF50V
OUTC
OUTC
L603
C627 33uH
OUTD
R607
18R 1/10W 5% 10/25
33nF50V 330pF 50V
PVDD
OUTD
1UF 10% 16V L604
C632 33uH
R608
18R 1/10W 5% 10/25
2.2nF 50V 330pF 50V
100N 16V
AMP3V3
AMP3V3 R609
10K 1/16W 5%
PreAmp output for Line out
R611
1K 1/16W 1% C640
2.2UF
AMP3V3 AL0O R617
10K 1/16W 5%
Grounding
R616
10K 1/16W 5%
Grounding
AR0O R622
10K 1/16W 5%
Close to MT5561
T P V ( Top
線 路 圖 編
號
Key Component
Date
3
7 8 9 10
56
2
FB604 120R 3A
5,6,7,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23
1 2
5,6,7,9,10,13,14,15,17,19,20,21,22,23
C619
10/25
C620 1UF 25V
NC/220nF50V FB605 120R 3A
GPIO & I2C Control
L
1 2
C621
1UF 25V CN601
L+
10/25
4
L-
3
R+
2
R-
1
FB606 120R 3A
I2S Interface
CONN
1 2
R
C626
C629 1UF 25V
10/25
NC/220nF50V
FB607 120R 3A
Audio Output Interface
1 2
C631
1UF 25V
10/25
Gain= -R2/R1= R615 27K 1/16W 5% SCART1L_PA
10/8
-27/10=-2.7
C643
C644
47pF 50V
R618 10K 1/16W 5% HPL_IN
10/8
2.2UF C645
330pF 50V
10/8
R620 27K 1/16W 5% SCART1R_PA
10/8
C646
C647
47pF 50V
HPR_IN
R623 10K 1/16W 5%
10/8
2.2UF C648
330pF 50V
10/8 Close to Audio AMP
Victory Electronics Co . , Ltd. ) OEM MODEL
G6173-M0A TPV MODEL
SYSTEM POWER PCB NAME
715G6173-M0A
Wednesday, January 22, 2014 Sheet 8 of 23
2
13
11 12
1
GND
+12V
5 1 2 V
DVDD3V3 DVDD3V3
D
HP_AC_MUTE
HP_AC_MUTE 9
OSDA0
OSDA0 6
OSCL0
OSCL0 6
AOMCLK
AOMCLK 7
AOBCK
AOBCK 7
AOLRCK
AOLRCK 7
AOSDATA0
AOSDATA0 7
SCART1R_PA
SCART1R_PA 12
SCART1L_PA
SCART1L_PA 12
AL0O
AL0O 7
AR0O
AR0O 7
C
B
A
Size B
Rev V0.02
<備註>
備註
1
14
15 16