Schematic Diagram-14 - Panasonic SA-AK78 Service Manual

SA-AK78

SCHEMATIC DIAGRAM-14

:POSITIVE VOLTAGE LINE
I H C
C812
470P
R810
R803
R831
47
:NEGATIVE VOLTAGE LINE
81 NC
C810
TST0
82
L805
2200P
TST1
83
TST2
84
85 TST3
5V
86 VDM
C814 6.3V47 2.5V
VRM1
87
2.5V
M IN
88
2.5V
M OUT
89
C813 6.3V47 4.2V
90 VRM2
GNDM
91
56
C811 560P
VSAL
92
2.4V
L IN
93
270K 2.5V
94 AVRL
5V
VDL
95
R804 47K 5V
VDR
96
2.5V
AVRR
97
2.4V
98 R IN
C840
VSAR
99
330P
GNDX
100
X801
(33.8MHz)
R816
1M
L809
5V
L807
10 H
:CD SIGNAL LINE
A B G F E D
R840
10K
R827
4.7K
R833
4.7K
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66
IC801
TC9496F-012A
DIGITAL SOUND
CONTROLLER
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
R832
220
C822 C834
2200P 2200P
G H
40
:SUB WOOFER/FRONT LOW SP DRIVE SIGNAL LINE
:SURROUND/HIGHT SP DRIVE SIGNAL LINE
C
R841
330
R811
100K
C893
0.022
5V
65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
CKO1
CKO0
TP12
TP11
TP10
GND R
V
C829 C830
2200P 2200P
R823
I
3.3V
-7.7V
A
B
C
D
50
2.5V
49
2.5V
FS
48
47
46
45
TP9
44
TP8
43
C847
TP7
42
0.022
TP6 41
TP5
40
C848
39
1
5V
R
38
DD
V 37
DD
TP4
36
TP3
35
TP2
34
TP1 33
TP0
32
NC
31
Q204
IMX9T110
ATTENUATOR
0V 0.6V
5 6
1
3 2 4
0.6V 0V
C239
1.2K 16V10
L810
10 H
J K
5V
5.1V
7.7V
14.2V
14.8V