Panasonic SA-HT280 Service Manual page 93

VR501
(VOLUME)
+B6
M
BA6218
IC501
MOTOR DRIVE
7 9
2,5,
8
Drive 6
+B8
Direction select
3 1
13 73 63 75
16
28
74
+B10 +B9 -B2 Z891
(REMOTE
SENSOR)
SIGNAL SELECTOR
3
6
12
R ch
10
R ch
13
8
-B1
70
65 67 66 80 79 71 72
9 10
Q901
+B10 RESET
TC9214AP
IC551
4
2
5
7
11
R ch
9
14
15
16
Vss V
DD
+B1
60 24
76 78 61
M38B57M6141F
IC901
SYSTEM CONTROL / FL DRIVE
22 19 20
Q902
POWER
+B9
SUPPLY
NJM4580DD
IC511
Tone
amp.
VR511,512
Treble
Bass
VR502
(BALANCE)
R ch R ch
CF901
15
14
68 69
21 23
VR901
VR903
(INPUT
(SFC
SELECTOR)
MODE)
VR902
(DSP)