Panasonic HTB4152B/12 Service Manual page 37

8-8
Amplifier Board Circuit Diagram:Power
5
6PIN/2.5mm/120mm 6PIN/2.5mm/120mm
1
POWER_18V
1
2
2
3
D 3
4
4
5
5
6
6
XS1 XS1
U1 U1
AP4435GM AP4435GM
POWER_18V 1 8
S1 D1
2 7
S3 D2
R6 R6 3 6
S2 D3
47K 47K 4 5
G1 D4
C589 C589 1uF//50V/X7R 1uF//50V/X7R
R11 R11
47K 47K
C
EN R12 R12 4.7K 4.7K Q3 Q3
NPN_3DG3904M NPN_3DG3904M
C26 C26
R14 R14
10K 10K 0.1uF/25V/Y5V 0.1uF/25V/Y5V
+12V_D
1
1
EN 2
2
3
3
4
4
5
5
6
6
VCC
XS2 XS2
B
6PIN/2.0mm/80mm 6PIN/2.0mm/80mm
A
5
4
POWER_18V FB11 FB11 120/2A 120/2A
CE3 CE3
+ +
10uF/50V 10uF/50V
AMP_VCC
POWER_18V FB12 FB12 120/2A 120/2A
CE7 CE7
+ +
10uF/50V 10uF/50V
EN R16 R16 4.7K 4.7K
R25 R25
10K 10K
4
3
C49 C49
R31 R31 L21 L21 6.8uH/2.4A 6.8uH/2.4A
0.01uF/50V/X7R 0.01uF/50V/X7R
220K 220K
U6 U6
R90 R90
7 3
49.9K/1% 49.9K/1%
EN SW
8 5
R24 R24
SS FB
47K 47K
R137 R137
EUP3482A EUP3482A 10K/1% 10K/1%
C127 C127 C120 C120
3300pF/50V/X7R 3300pF/50V/X7R
0.1uF/25V/Y5V 0.1uF/25V/Y5V R32 R32
R9 R9 1K/1% 1K/1%
7.5K 7.5K
C50 C50
L23 L23 6.8uH/2.4A 6.8uH/2.4A
0.01uF/50V/X7R 0.01uF/50V/X7R
U7 U7
R719 R719
7 3
EN SW
120K/1% 120K/1%
8 5
SS FB
EUP3482A EUP3482A
R720 R720
C129 C129 C122 C122
10K/1% 10K/1%
3300pF/50V/X7R 3300pF/50V/X7R
0.1uF/25V/Y5V 0.1uF/25V/Y5V
R29 R29
7.5K 7.5K
3
8-8
2 1
VCC
R36 R36
0 0
C121 C121
CE4 CE4
+ +
+12V_D
R35 R35
0 0
C123 C123
CE6 CE6
+ +
2 1
D
C
B
A