Panasonic SA-AK78 Service Manual page 23

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M5218AFPE3
IC302
Q804
11
BUFFER
ATT
AMP
+B5 -B
R ch
Q803
ATT
14
+B5
-B
R ch
R ch
Q801
ATT
Q306 Q802
ATT
ATT
DRIVE
32 35 34 33 47 48
4 9 7 8 6 10 11 16
M5228FPE1
IC301
BTL
DRIVE
+B5 -B
BU4066BCF-E2
IC303
SWITCHING
10
12
3 4
Q305
5
SWITCH-
ING
2
1
13
9
8
V
DD
6
7
V
SS
M5228FPE1
IC301
BTL
DRIVE
+B5 -B
M5228FPE1
IC301
BTL
DRIVE
+B5 -B
19 40 50 51 52 53 56
M38037M8108F
IC401
SYSTEM CONTROL
17 20 12 13 14 15 44 45
23
M5218AP
IC203
BUFFER
Q201
+B5
MUTING
M5218AFPE3
IC302
BUFFER
AMP
Q307
+B5 -B
MUTING
Q203 Q202
MUTING
CONT.
Q301,302
MUTING
X401
(8MHz)
26 29 55 22 23
46 24 59 58 57
SW5V
SA-AK78
AMP
-B
SUB WOOFER
MUTING
CONT.