Panasonic SA-G90 Service Manual page 65

SCHEMATIC DIAGRAM-9
:POSITIVE VOLTAGE LINE
B
FL901(RSL0279-F)
54 53
C
A
R910 1K
H
R943 1K
U
0V
K
0V
C
0V
D
5.1V
5.1V
4.9V
M
0V
L
0V
N
5.1V
5.1V
I
0V
E
0V
A
0V
F
5V
G
C993
100P
C994
100P
R914 22K
O
R916 22K
B
J
V
5.1V
:NEGATIVE VOLTAGE LINE
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13
R944
100K
R945 100K
D910
RVD1SS133TA
I
J
64 63 62 61 60 59 58 57 56 55 54 53 52 51
65 TCE
TCK
66
TDT
67
SUR1
68
SUR2
69
IC901
COM CK
70
M38B57M6141F
COM DO
71
SYSTEM CONTROL/
COM DI
72
FL DRIVE
AVss
73
VREF
74
SD
75
COM REQS
76
HELP LED/RDS CE
77
COM REQM
78
VIDEO B
79
VIDEO A
80
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
3
D E F G 2
CF901
5V
A B
5.5V
-14.9V
14.1V
FL DISPLAY
A B C D E F G H I J K L M N O P
-27.2V
C930 330P
C929 330P
C928 330P
C927 330P
C926 330P
C925 330P
C924 330P
C923 330P
C922 330P
C921 330P
A B C D E F G H
50 49 48 47 46 45 44 43 42 41
-23.6V
SEG9
40
-23.6V
SEG10
39
-17.5V
SEG11
38
-12.1V
SEG12
37
-17.9V
SEG13
36
-20.8V
SEG14
35
-26.8V
SEG15
34
-26.8V
SEG16
33
0V
AF MUTE
32
7.5V
SP A
31
4.9V
SP B
30
6V
S/C SP
29
-27.2V
V
EE 28
27
LOUDNESS
26
5V
RLY
25
1
C D E
12 11 10 9 8 7 6 5 2 1
I J K L M N O P
D912
RVD1SS133TA
VR901
(INPUT SELECTOR)
S P Q R T
1 2
VR903
(SFC MODE)
1 2
3
3