Power Amp; Led Drive - Panasonic SA-G90 Service Manual

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(R4)
Q505
(Q506)
MUTING
AUDIO
SUB WOOFER
OUT
Q554
MUTING
C3
SL3
(SR3)
B
4~7,
9~15
16
BU2090A
+B10
V
DD

LED DRIVE

V
SS
D912
1
32
18
33~48
49~58
D910
FL901
FL DISPLAY
L4
NJM2060D
L5
(R5)
IC602
BUFFER
AMP
NJM2060D
C4
IC602
BUFFER
AMP
MUTING
D617
Q551
(Q552)
MUTING
NJM4580DD
SL4
IC652
(SR4)
BUFFER
AMP
+B8
D931~942
(PHONO/TUNER/CD/
DVD/TV/VCR/
TAPE MONITOR/SFC/
DIGITAL INPUT/SURROUND/
STEREO)
Q0~11
IC903
Q604
DATA
CLK
LIMITTER
2
3
17
64
M38B57M6141F
IC901
SYSTEM CONTROL / FL DRIVE
59
19
20
9
GND
14
+B11
24
(21)
22
Q553
17
VD
20
10
OVERDET
12
DISP
D605
RSN313H25-P
D655

POWER AMP

9
OVERDET
21
(20)
1
+B12
VH+
2
-B4
VH-
18
+VD
+B12
19
-B4
-VD
11
DSP
Q605
SWITCH-
ING
3
4
5
21
23
68
69
VR901
VR903
(INPUT
(SFC
SELECTOR)
MODE)
RSN310R36-P
IC601
19
POWER AMP
Reg.
2
+B12
D601
5
+B11
1
(7)
4
15
-B3
REG.
D602
6
-B3
3
Q651,652
-B4
RELAY
16
RLY
DRIVE
CONT.
8
AC
IC651
15
RLY
3
(6)
13
SENS+
+B11
14
SENS-
-B3
D651
4
+H OUT
+B11
D652
5
-H OUT
-B3
7
AC
GND
8
29
25
30
31
1,2
VR902
KEY
(DSP)
SWITCH

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