JVC SP-PW100 - System Diagrams and Circuit Boards; Overall Block Diagram

SP-PW100
2-1
5
3
4
2
1
A
B
C
MAINS PLUG
POWER
POWER TRANS
POWER-SUPPLY CIRCUIT
POWER AMP
IC 821
VOLUME
FW801
INPUT (LOW-LEVEL)
INPUT (HIGH-LEVEL)
OUTPUT (SPEAKER-OUT)
L / MONO
IC 813
PHASE SW NORMAL-- REVERSE
IC 851
CN811
B+
CN881
SPEAKER
OUT
IN
9V RGE.
PROTECT
MUTE
IC 811
IC 813
B+
Q8801
Q8201 Q8202 Q8203
REGULATOR
Q8701 Q8702
IC 812
DC-DET
MUTE
PROTECT
DC-DET
RY881
CN881
CN891
CN851
CN861
RED GREEN
INDICATOR
DC-DETCTOR
IN PUT L / H AMP & H.P FILTER
L.P FILTER
FW801
CN821
IN PUT L / H AMP
LED CONT.
Block diagram