Sch18 Subwoofer Power - Polk Mono Signa S4 Service Manual

SCH18 SubWoofer POWER

0.78A RMS
L
F1
FUSE_3.15A/250V
L
RV1
N
VDR/750V TR2
N
OVP:26V
O T P : 9 1 ℃
去掉套管， 新 认 可
0.35A RMS
R3 R6
2.74M/1% 2.74M/1% LF1
CX1
0.33uF/280V 4 - + 1 CE1
+
R8 R4
2.74M/1% 2.74M/1% FT15/13mH 82uF/400V
25-GMF820-M1X
25-GMF101-M1X
NC BD1
GBS3K
R12 110KΩ
R9
270K
R28 C6 ZD1
15KΩ 22V
0.1uF/50V/X7R 10uF/50V
U1
3 5
RT VDD
D5
BAS316/100V/0.5A
R14 100
D6
C15 FB 2 6
FB GATE
R17
BAS316/100V/0.5A
C11
4.7K/1%
NC/100pF/50V/NP0
1 4 R19
GND SENSE
TR1 100pF/50V/NP0 330/1%
OB2362AMP for RS
NTC/100K
C13
300pF/50V/NP0
0Ω
R29 HS1
0
1
R30
0
R10
自动化变压器， 新 打样
WF:320uH 58:14:12
D1
RS1M
R1 62
R2 62
3
3 T1
C1
2200pF/630V/M3L 1
R7
R33
7 2
M 7
C3 C4 150K R5 R27
150K
8 3
22nF 22nF
8
22 22
D2
D3 SDB10200DI CE2
1
GC20ML
1
470uF/35V
1.1A RMS
9
9
10 D4 10
10
R11 RS1M 5
SG8004
5
CE516
+
R31
0
6
6
Q1 4
4
KF8N60F
R16
R15
C9
2.2K
G
100pF/2KV/NPO/NC
82
R18
10K
FB
R21 R22 R23 U2
R24
0.59Ω/1%
0.59Ω/1%
2.2K
LTV-817S-B
0.59Ω/1% U3
CY1
470pF/250VAC
26
HS2
2
1
C2
23V Io ： 1.5A Ipeak ： 5A
1500pF/1000V/X7R
V0
23V
CE3
+ + LF2
C5
470uF/35V 0.1uF/50V/X7R
R13
75K/1%
C10
220pF/50V/NP0
R20
C12
0.1uF/50V/X7R 10K
1
R25 R26
10K/1% 75K/1%
0
V0 V0
R32
4
4
3
3
2
2
1
1
CN2