Philips HTS3531/12 Service Manual page 48

7-2 7-2
A
Amplifier Board Circuit Diagram:STA309A
1
D
24 ASDAT0
23 LRCLK
22
ASDAT1
21 ASDAT2
20 BCK
AM_MUTE
19 GND
18 MCK
17 GND
16 AM_SCL
15 AM_SDA
14 GND
TP44 TP44
13
AM_MUTE
12 RESET
11
10
9 TP49 TP49
3.3V
8 TP40 TP40 RESET
+12V
7
AM_SDA
2
6 GND
AM_SCL
5 TP43 TP43
1/2power-control
4 ASDAT2
XP701 XP701 3 TH_WAR ASDAT1
TP50 TP50 TH_WAR
2 PDWN ASDAT0
TP48 TP48
24PIN/0.5mm 24PIN/0.5mm 1 LRCLK
BCK
D
D
FB711 FB711
+3.3V
500/800mA 500/800mA
MCK
3.3V
FB712 FB712
VD3.3V
500/800mA 500/800mA
C731 C731 + + CE717 CE717
0.1uF/25V/Y5V 0.1uF/25V/Y5V 22uF/16V 22uF/16V
D
3
4
A
B
VD3.3V
R800 R800
0/NC 0/NC
D705 D705
Q702 Q702
LL4148 LL4148
PNP_MMBT8550CLT1 PNP_MMBT8550CLT1
R739 R739
10K 10K
CE723 CE723
+ +
47uF/50V 47uF/50V
TP41 TP41
R805 R805 47K 47K Q701 Q701
D712 D712
LL4148 LL4148 NPN_3DG3904M NPN_3DG3904M VD3.3V
R710 1K R710 1K
R796 R796
47K 47K
D
TP42 TP42
C713 C713
0.1uF/25V/Y5V 0.1uF/25V/Y5V
R701 R701 33 33
R703 R703 33 33
R702 R702 33 33
D
R709 R709 33 33
R708 R708 33 33
R707 R707 33 33
R706 R706 33 33
R705 R705 33 33
C701 C701 C705 C705
15pF/50V/NP0 15pF/50V/NP0 15pF/50V/NP0 15pF/50V/NP0
C710 C710
D
R798 R798
R704 R704 33 33
10K 10K VD3.3V
R777 R777 R713 R713
10K 10K 10K 10K
B
C
VD3.3V
C716 C716
0.1uF/25V/Y5V 0.1uF/25V/Y5V
C714 C714
D
0.1uF/25V/Y5V 0.1uF/25V/Y5V C715 C715
EAPD
0.1uF/25V/Y5V 0.1uF/25V/Y5V
PDWN R711 R711 33 33
R767 R767
1K 1K
U703 U703
R712 R712
10K 10K
1 48
MOV OUT2A
2 47
GND OUT2B
3 46
VDD3.3 NC
4 45
GND GND
5 44
NC VDD
6 43
SDI_78 OUT3A
7 42
SDI_56 OUT3B
8 IC_84P_STA309A IC_84P_STA309A 41 C721 C721
SDI_34 OUT4A
9 40
SDI_12 OUT4B
10 39
LRCK1 OUT5A
11 38
BICK1 OUT5B
12 37
VDD3.3 NC
13 36
GND GND
14 35
NC VDD3.3V
15 34
RESET OUT6A
16 33
PLLB OUT6B
C712 C712
C723 C723
47pF/50V/NP0 47pF/50V/NP0
D
D
C724 C724
0.1uF/25V/Y5V 0.1uF/25V/Y5V
D
VD3.3V
R714 R714
FB715 FB715
500/800mA 500/800mA
3.3K 3.3K
C727 C727 + + CE704 CE704
C726 C726
22uF/16V 22uF/16V
0.1uF/25V/Y5V 0.1uF/25V/Y5V 0.1uF/25V/Y5V 0.1uF/25V/Y5V
C730 C730 C729 C729 C728 C728
R799 R799
0 0
D
C
7-2
D E
CH1A
VD3.3V
C717 C717
CH2A
0.1uF/25V/Y5V 0.1uF/25V/Y5V
CH3A
D
CH4A
C733 C733
CH5A C732 C732
VD3.3V
47pF/50V/NP0 47pF/50V/NP0
C720 C720
C719 C719
+ +
C718 C718
47pF/50V/NP0 47pF/50V/NP0
0.1uF/25V/Y5V 0.1uF/25V/Y5V
CE721 CE721
CH6A 22uF/16V 22uF/16V
D
D E
1
2
3
4