SP-PW100
2-1
5
3
4
2
1
A
B
C
MAINS
PLUG
PO
WER
PO
WER
TRANS
PO
WER-SUPPL
Y
CIRCUIT
PO
WER AMP
IC 821
V
OLUME
FW801
INPUT
(LO
W
-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.
PR
O
TECT
MUTE
IC 811
IC 813
B+
Q8801
Q8201
Q8202
Q8203
REGULA
T
O
R
Q8701
Q8702
IC 812
DC-DET
MUTE
PR
O
TECT
DC-DET
R
Y881
CN881
CN891
CN851
CN861
RED
GREEN
INDICA
T
O
R
DC-DETCT
OR
IN PUT L / H AMP
& H.P FIL
TER
L.P FIL
TER
FW801
CN821
IN PUT L / H AMP
LED CONT
.
Block diagram