Polk Mono React Service Manual page 12

SCH04_MAIN04
Reference 01-POLKNI-MA&IR&WL600
36
C890 C889 35
0.1uF/50V/X7R 0.1uF/50V/X7R 34
33
32
CH1A
31
CH1B
30
CH2A
29
CH2B
TH_WAR 28
TH_WAR
FAULT 27
R1166
FAULT
10UF/10V/X7R
C901 C902 R1167 10K
26
0.1uF/16V/X7R
10K
PWRDN 25
24
23
22
R1171
C914
21
0
0.1uF/50V/X7R
20
19
SYS_3V3_A
36
VCC-Sign
C918 C919 35
VCC-Sign
0.1uF/50V/X7R 0.1uF/50V/X7R 34
VSS
33
VSS
32
CH3A IN2B
31
CH3B IN2A
30
CH4A IN1B
29
CH4B IN1A
TH_WAR 28
TH-WAR
FAULT 27
SYS_3V3_A
FAULT
C933
26
R1191 10K
TRI-STATE
PWRDN 25
R1192 PWRDN
24
0
CONFIG
23
VL
22
C943 VDD
C945
21
VDD
0.1uF/50V/X7R
20
GND-Reg
19
GND-CLEAN
U33
1
VCC-Sign SUB-GND
2 L19
VCC-Sign OUT2B
3 VR300
VSS OUT2B
4
VSS VCC2B
R1161
5
NC/22
C893 C894
IN2B GND2B
6
IN2A GND2A
7
IN1B VCC2A
C898
NC/330pF/50V/X7R
8
IN1A OUT2A
9 L20
TH-WAR OUT2A
10 L21
FAULT OUT1B VR300
11
TRI-STATE OUT1B
12 R1168
PWRDN VCC1B
NC/22
13
CONFIG GND1B C905 C906
14
VL GND1A
15 C910
VDD VCC1A
NC/330pF/50V/X7R
16
VDD OUT1A
17 L22
GND-Reg OUT1A
18
VR300
GND-CLEAN NC
STA518
SYS_16V
U34
1
SUB-GND
L23
2
OUT2B
VR300
3
OUT2B
4
VCC2B
R1184
5
NC/22
GND2B C923 C924
6
GND2A
7
VCC2A
C931
8 NC/330pF/50V/X7R
OUT2A
9 L24
OUT2A
10 L25
OUT1B
VR300
11
OUT1B
12 R1193
VCC1B
NC/22
13
C936 C937
GND1B
14
GND1A
C941
15
VCC1A
NC/330pF/50V/X7R
16
OUT1A
17 L26
OUT1A
18 VR300
NC
STA518
4PIN/2.0MM
XP4
F_WF_R+
OUT1A 4
4
OUT1B F_WF_R- 3
3
OUT2A TW_R+ 2
2
TW_R-
OUT2B 1
1
SYS_16V
+
CE2
470uF/25V
10uH/3A OUT3A
C891
C892
0.1uF/50V/X7R
1uF/25V/X7R
R1163 C895 R1164 C896 C897
6.2 6.2
0.1uF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R
C899
1uF/25V/X7R C900
0.1uF/50V/X7R
10uH/3A OUT3B
10uH/3A OUT4A
C903
C904
0.1uF/50V/X7R
1uF/25V/X7R
R1169 C907 R1170 C908 C909
6.2 6.2
0.1uF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R
C911
1uF/25V/X7R C915
0.1uF/50V/X7R
10uH/3A OUT4B
+
CE3
470uF/25V
10uH/3A
OUT1A
C920
C922
0.1uF/50V/X7R
1uF/25V/X7R
C925
R1185 R1187 C926 C927
6.2 6.2
0.1uF/50V/X7R
0.1uF/50V/X7R 0.1uF/50V/X7R
C928
1uF/25V/X7R C929
0.1uF/50V/X7R
10uH/3A OUT1B
10uH/3A OUT2A
C934
C935
0.1uF/50V/X7R
1uF/25V/X7R
R1194 C938 R1195 C939 C940
6.2 6.2
0.1uF/50V/X7R 0.1uF/50V/X7R 0.1uF/50V/X7R
C944
1uF/25V/X7R C946
0.1uF/50V/X7R
10uH/3A OUT2B
4PIN/2.0MM
XP5
F_WF_L+
4 OUT3A
OUT3A
4
3 F_WF_L- OUT3B
OUT3B
3
2 TW_L+ OUT4A
2 OUT4A
TW_L-
1 OUT4B
OUT4B
1
12
设定的掉电电压根据实际 需 要 调 整 ，
掉 电 检 测 电 压
V=0.6*(R5+R1)/R1
16V_DET
REU2
16V_DET
OUT3A REU3 100K
QEU1 REU4 CEU1
NC/100K
75K/1%
REU5
QEU2
100K
REU6 CEU2
0.1uF/16V/X7R
4.7K/1%
OUT3B
OUT4A
OUT4B
OUT3A R1172 220K
R1173
C916
220K
10uF/16V/X5R
OUT3B R1174 220K
OUT4A R1175 220K
R1176
C917
220K
10uF/16V/X5R
OUT4B R1177 220K
OUT1A R1178 220K
R1183
C921
220K
10uF/16V/X5R
OUT1B R1186 220K
OUT2A R1188 220K
R1189
C930
220K
10uF/16V/X5R
OUT2B R1190 220K
PNP_3CG3906M
C947
R1197
100K
0.1uF/16V/X7R
SYS_3V3
REU1
10K
PWRDN
D3
R1162 0Ω/0402
1
AMP_MUTE
3
2 R1165 NC/0
DSP_PDN
BAT54A
Q3 Q4
PNP_3CG3906M
R1196
100
SYS_3V3
REU7
10K
AMP_OVER
AMP_OVER
Q5
NPN_3DG3904M