Philips HTS3261/12/98 Service Manual page 42

A
Amplifier Board Circuit Diagram:L+R+SW OUT
+12V
R740 R740 10 10
R739 R739 10 10
C816 C816
0.1uF/50V/X7R 0.1uF/50V/X7R
1
D
U711 U711
1
GVDD_B
2
OTW OTW
3
NC
+3.3V
4
/SD
NC
2.2K 2.2K D
R718 R718
5
SD
6
PM_A6SW
PWM_A
7
RESET_AB
8
PM_B6SW
PWM_B
R743 R743 22K 22K
9
OC_ADJ
10
GND
11
AGND
12
D
VREG
VALID
C821 C821
13
M3
0.1uF/50V/X7R 0.1uF/50V/X7R
14
M2
15
M1
16
PWM_C
17
RESET_CD
18
PWM_D
19
NC
+12V 20
2 D
NC
21
VDD
22
GVDD_C
C820 C820
R792 R792 10 10
TAS5342 TAS5342
0.1uF/50V/X7R 0.1uF/50V/X7R
C819 C819
D
0.1uF/50V/X7R 0.1uF/50V/X7R
+12V
D
R821 R821 10 10
+12V R726 10 R726 10
R727 R727 10 10
C791 C791
0.1uF/50V/X7R 0.1uF/50V/X7R
D
OTW
3
D
/SD
PM_A2FL
PM_B2FL
R725 R725 22K 22K
D
C782 C782
VALID 0.1uF/50V/X7R 0.1uF/50V/X7R
TP71 TP71
PM_A1FR
TP72 TP72
PM_B1FR
+12V
D
C749 C749
0.1uF/50V/X7R 0.1uF/50V/X7R R763 10 R763 10
4
D C769 C769
0.1uF/50V/X7R 0.1uF/50V/X7R
D
+12V
R764 R764 10 10
A
7-4
B
D
C817 C817
0.1uF/50V/X7R 0.1uF/50V/X7R
D
44 C815 C815
GVDD_A
0.033uF/50V/X7R 0.033uF/50V/X7R
D
43
BST_A
42
NC
41
PVDD_A
D TP54 TP54
40
PVDD_A
39
OUT_A
38
GND_A
37
D
GND_B
36
OUT_B
35
PVDD_B
0.033uF/50V/X7R 0.033uF/50V/X7R
34
TP53 TP53
BST_B
C830 C830
33
BST_C
TP61 TP61
C832 C832 0.033uF/50V/X7R 0.033uF/50V/X7R
32
TP62 TP62
PVDD_C
31
OUT_C
30
GND_C
29
D
GND_D
28
OUT_D
27
PVDD_D
26
PVDD_D
25
NC
C833 C833
24
BST_D
23 0.033uF/50V/X7R 0.033uF/50V/X7R
GVDD_D
D
C818 C818
0.1uF/50V/X7R 0.1uF/50V/X7R
D
D
LAYOUT NOTE
PLACE ON
COMPONENT SIDE
C775 C775
0.1uF/50V/X7R 0.1uF/50V/X7R
D
U710 U710
1 44
GVDD_B GVDD_A
2 43 C719 C719 0.033uF/50V/X7R 0.033uF/50V/X7R
OTW BST_A
3 42
NC NC
4 41
D
NC PVDD_A
5 40
SD PVDD_A
6 39
PWM_A OUT_A
7 38
RESET_AB GND_A
8 37
D
PWM_B GND_B
9 36
OC_ADJ OUT_B
10 35
GND PVDD_B
11 34 C714 C714 0.033uF/50V/X7R 0.033uF/50V/X7R
AGND BST_B
12 33 C700 C700 0.033uF/50V/X7R 0.033uF/50V/X7R
VREG BST_C
13 32
M3 PVDD_C
14 31
M2 OUT_C
15 30
M1 GND_C
16 29
D
PWM_C GND_D
17 28
RESET_CD OUT_D
18 27
PWM_D PVDD_D
19 26
NC PVDD_D
20 25
NC NC
21 24 D
VDD BST_D
22 23
C710 C710 0.033uF/50V/X7R 0.033uF/50V/X7R
GVDD_C GVDD_D
TAS5342 TAS5342
C770 C770
0.1uF/50V/X7R 0.1uF/50V/X7R
D
B
C
C824 C824
0.1uF/50V/X7R 0.1uF/50V/X7R
C810 C810
0.1uF/50V/X7R 0.1uF/50V/X7R
LAYOUT NOTE
PLACE ON
SPK JACK SIDE
Linewidth 4mm
L720 10uH/5A L720 10uH/5A
1 2
L719 10uH/5A L719 10uH/5A
1 2 C836 C836 1000pF/50V/X7R 1000pF/50V/X7R
0.1uF/50V/X7R 0.1uF/50V/X7R
C834 C834
LC DEMODULATION
FILTER
C831 C831
1uF/63V 1uF/63V
L722 10uH/5A L722 10uH/5A
1 2
D
C835 C835
C837 C837 1000pF/50V/X7R 1000pF/50V/X7R
LC DEMODULATION
FILTER 0.1uF/50V/X7R 0.1uF/50V/X7R
L721 10uH/5A L721 10uH/5A
Linewidth 4mm
1 2
Linewidth 2mm
C803 C803
0.1uF/50V/X7R 0.1uF/50V/X7R
C814 C814
0.1uF/50V/X7R 0.1uF/50V/X7R
C776 C776
0.1uF/50V/X7R 0.1uF/50V/X7R
D
C794 C794
0.1uF/50V/X7R 0.1uF/50V/X7R
D
L711 10uH/5A L711 10uH/5A
1 2 C766 C766 C764 C764
1000pF/50V/X7R 1000pF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R
LC DEMODULATION C840 C840
FILTER
C763 C763
0.47uF/63V 0.47uF/63V
D
LAYOUT NOTE C765 C765 0.1uF/50V/X7R 0.1uF/50V/X7R
PLACE ON 1000pF/50V/X7R 1000pF/50V/X7R
COMPONENT SIDE
L710 10uH/5A L710 10uH/5A
1 2
L712 10uH/5A L712 10uH/5A
1 2
LC DEMODULATION
C783 C783 C786 C786
FILTER
1000pF/50V/X7R 1000pF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R
LAYOUT NOTE
C788 C788
PLACE ON
COMPONENT SIDE
0.47uF/63V 0.47uF/63V
C787 C787
C784 C784 0.1uF/50V/X7R 0.1uF/50V/X7R
1000pF/50V/X7R 1000pF/50V/X7R
D
L709 10uH/5A L709 10uH/5A
1 2
C1002 C1002 LAYOUT NOTE
0.1uF/50V/X7R 0.1uF/50V/X7R PLACE ON
SPK JACK SIDE
D
C1000 C1000
0.1uF/50V/X7R 0.1uF/50V/X7R
D
C
7-4
D E
TP40 TP40
SW+
+32V
R1011 R1011
L801 L801
10 10
LAYOUT NOTE:PLACE ON TOP
FB10 ~80 FB10 ~80
LAYER AS POSSIBLE AS CLOSE C823
C838 C838
0.01uF/50V/X7R 0.01uF/50V/X7R
+ +
C822 C822
R777 R777
C847 C847 C853 C853
820uF/50V 820uF/50V NC/3.3 NC/3.3
0.1uF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R
C839 C839
0.01uF/50V/X7R 0.01uF/50V/X7R C848 C848
NC/0.1uF/50V/X7R NC/0.1uF/50V/X7R
D
D D D
R1010 R1010
10 10 LAYOUT NOTE:PLACE ON BOTTOM
TP41 TP41
LAYER AS POSSIBLE AS CLOSE C822
SW-
R-
R+
L-
L+
SW-
SW+
LAYOUT NOTE
PLACE ON
SPK JACK SIDE
TP26 TP26
R742 R742
10 10
C768 C768
L+
0.01uF/50V/X7R 0.01uF/50V/X7R
+32V
C767 C767 L802 L802
0.01uF/50V/X7R 0.01uF/50V/X7R
LAYOUT NOTE:PLACE ON TOP
L- FB10 ~80 FB10 ~80
LAYER AS POSSIBLE AS CLOSE C824
R700 R700
10 10
TP27 TP27
R780 R780
C849 C849 C856 C856
+ C1001 + C1001 NC/3.3 NC/3.3
0.1uF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R
820uF/50V 820uF/50V
C850 C850
NC/0.1uF/50V/X7R NC/0.1uF/50V/X7R
TP28 TP28
D D D
D
LAYOUT NOTE:PLACE ON BOTTOM
LAYER AS POSSIBLE AS CLOSE C823
R801 R801
10 10
R+
C790 C790
0.01uF/50V/X7R 0.01uF/50V/X7R
C789 C789
R-
0.01uF/50V/X7R 0.01uF/50V/X7R
R800 R800
TP29 TP29
10 10
D E
1
JK2 JK2
1
FR+
2
FR-
2
3
FL+
4
FL-
5
SUB+
6
SUB-
CON_7P_GND CON_7P_GND
D
3
4