Philips HTS3538 Service Manual page 45

7-2
A
Amplifier Board Circuit Diagram:SL+SW
1
2 +12V
WIRE WIDE=1MM
VALID
3
WIRE WIDE=1MM
4
A
B
R738 2.2 R738 2.2
C815 C815
0.1uF/50V/X7R 0.1uF/50V/X7R
R739 R739
2.2 2.2
C813 C813
D
U712 U712
0.1uF/50V/X7R 0.1uF/50V/X7R
1 44
GVDD_B GVDD_A
0.033uF/50V/X7R 0.033uF/50V/X7R
D 2 43
C722 C722
OTW
OTW BST_A
3 42
NC NC
4 41
D NC PVDD_A D
5 40
/SD
SD PVDD_A
6 39
PM_A8SW PWM_A OUT_A
WIRE WIDE=3MM(via 4x 0.4)
7 38
RESET_AB GND_A
8 37
PM_B8SW PWM_B GND_B D
9 36
OC_ADJ OUT_B
R740 R740 22K 22K
10 35
GND PVDD_B
D
11 34 C721 C721
AGND BST_B
C807 C807 12 33 C702 C702
VREG BST_C
0.1uF/50V/X7R 0.1uF/50V/X7R
13 32
M3 PVDD_C
14 31
M2 OUT_C
15 30
M1 GND_C
16 29
PM_A3SL PWM_C GND_D D
WIRE WIDE=3MM(via 4x 0.4)
17 28
RESET_CD OUT_D
18 27
PM_B3SL PWM_D PVDD_D
19 26
NC PVDD_D
20 25
D NC NC
+12V
21 24 C712 C712
D
VDD BST_D
0.033uF/50V/X7R 0.033uF/50V/X7R
C751 C751 22 23
GVDD_C GVDD_D
0.1uF/50V/X7R 0.1uF/50V/X7R R771 2.2 R771 2.2
TAS5342 TAS5342
C810 C810
C814 C814
D
0.1uF/50V/X7R 0.1uF/50V/X7R
0.1uF/50V/X7R 0.1uF/50V/X7R
+12V
D
D
R767 R767 2.2 2.2
B
C
WIRE WIDE=3MM
C817 C817 C816 C816
0.1uF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R
D D
L720 10uH/5A L720 10uH/5A WIRE WIDE=3MM
1 2
R744 R744
5.6 5.6
C806 C806 C818 C818
R773 R773
1000pF/50V/X7R 1000pF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R
5.6 5.6
C824 C824
C848 C848
300pF/50V/NP0 300pF/50V/NP0
0.47uF/63V 0.47uF/63V
100pF/50V/NP0 100pF/50V/NP0 C819 C819 C830 C830
D
0.1uF/50V/X7R 0.1uF/50V/X7R 300pF/50V/NP0 300pF/50V/NP0
C837 C837 C805 C805 R702 R702
1000pF/50V/X7R 1000pF/50V/X7R
5.6 5.6
L718 10uH/5A L718 10uH/5A
1 2
WIRE WIDE=3MM
0.033uF/50V/X7R 0.033uF/50V/X7R
0.033uF/50V/X7R 0.033uF/50V/X7R
WIRE WIDE=3MM
L719 10uH/5A L719 10uH/5A
1 2
R805 R805
C809 C809
5.6 5.6
C812 C812
R774 R774 1000pF/50V/X7R 1000pF/50V/X7R
0.1uF/50V/X7R 0.1uF/50V/X7R
5.6 5.6
C821 C821
300pF/50V/NP0 300pF/50V/NP0
C820 C820
C822 C822
300pF/50V/NP0 300pF/50V/NP0
C838 C838 0.47uF/63V 0.47uF/63V C808 C808
D
100pF/50V/NP0 100pF/50V/NP0
C811 C811
1000pF/50V/X7R 1000pF/50V/X7R R804 R804
0.1uF/50V/X7R 0.1uF/50V/X7R
5.6 5.6
L717 10uH/5A L717 10uH/5A
1 2
WIRE WIDE=3MM
C1004 C1004 C1005 C1005
WIRE WIDE=3MM LAYOUT NOTE
0.1uF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R
PLACE ON
SPK JACK SIDE
D
D
C
7-2
D
+26V
TP37 TP37
L807 L807
SW-
FB80@100MHz FB80@100MHz
R786 R786
C866 C866
+ C867 + C867 3.3 3.3
0.1uF/50V/X7R 0.1uF/50V/X7R
470uF/50V 470uF/50V
C868 C868
0.1uF/50V/X7R 0.1uF/50V/X7R
TP38 TP38
D D D
SW+
+26V
L806 L806
FB80@100MHz FB80@100MHz
TP40 TP40
SL-
R785 R785
C863 C863
3.3 3.3
+ C864 + C864
0.1uF/50V/X7R 0.1uF/50V/X7R
470uF/50V 470uF/50V
C865 C865
0.1uF/50V/X7R 0.1uF/50V/X7R
D D D
TP41 TP41
SL+
D
E
1
2
3
4
E