Panasonic SA-HT280 - Power Amp; Led Drive

33~48
SEG
1~16
49~58
DEG1
1~10
FL DISPLAYFL901
59
INIT IN
NJM2060D
IC602
Q554
Q553
NJM2060D
IC602
32
AF MUTE
Reg.
REG.
19
2
5
+B12
14
24
(21)
1
(7)
22
4
15
-B3
6
-B3
3
-B4
20
GND
9
RLY
1612
DISP
17
VD
10
OVERDET
RSN310R36-P
IC601
POWER AMP
Q505
(Q506)
5
OVERLOAD2
3
THERM/OVLD
D605
Q651,652
L4
(R4)
L5
(R5)
C4
M38B57M6141F
IC901
SYSTEM CONTROL / FL DRIVE
BU2090A
IC903
LED DRIVE
DATA
23
CLK
1
VSS
17
LED CK
18
LED DATA
16
V
DD
+B10
+B8
4~7,
9~15
Q0~11
D931~942
(PHONO/TUNER/CD/
DVD/TV/VCR/
TAPE MONITOR/SFC/
DIGITAL INPUT/SURROUND/
STEREO)
Q604
64
LIMITER
D617
+B11
D602
D912
BUFFER
AMP
BUFFER
AMP
AUDIO
MUTING
SUB WOOFER
OUT
MUTING
MUTING
BUFFER
AMP
SL3
(SR3)
SL4
(SR4)
D655
LIMITTER
+B11
D601
RELAY
DRIVE
CONT.
AC
8
S-DET
4
KEY4
B
NJM4580DD
IC652
C3
D908
Reg.
REG.
19
2
5
+B12
14
24
1
22
(21)
4
(7)
15
-B3
6
-B3
3
-B4
20
RLY
16
12
DISP
17
VD
RSN310R36-P
IC651
POWER AMP
+B11
D652
+B11
D651
AC
8
KEY
SWITCH
1,2
KEY 1,2
25
RLY
30
SP B
SP A
31
RLY1
SP B
SP A
29
S/C SP
S/C SP
Q605
SWITCH-
ING
Q551
(Q552)
MUTING
GND
9
10
OVERDET
D667,668
-B4
AC
OVER-
DET
RLY2
BUFFER
AMP
NJM2060D
IC602