JVC SP-PW880 - Connecting the Subwoofer; Connecting to Amplifier with Subwoofer;MONO Output; Connecting to Amplifier Speaker Output Terminals

ABC
1
2
3
4
5
SP-PW880
2-1
+ +
- -
LVA10058-A2
66-000-074-11
LVA10058-A1
LVA10058-A3
67
IC811
IC813
2/2
57
IC813
2/2
31
IC811
Q8101 Q8102
IC851
Q8501 Q8502
1/2
57
IC812
2/2
31
VR811
-VH
CN811 CN821
CN881
IC812
IC821 Q8204 RY881
1/2
S8101
18 14
Q8201
Q8202 Q8203
SP-PW880
Block diagram
Input L/H amp
LED control
Regulator
(5V)
Regulator
(9V)
CN851
CN861
CN891
Power circuit
DC detector
High path
filter
Power amp
Output current
detector
Relay
Speaker
Low path
filter
Buffer
SW