IC901
M38B57M6141F
SYSTEM CONTROL/
FL DRIVE
FL901(RSL0279-F)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
80
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65 TCE
TCK
TDT
SUR1
SUR2
COM CK
COM DO
COM DI
AVss
VREF
SD
COM REQS
HELP LED/RDS CE
COM REQM
VIDEO B
VIDEO A
KEY1
KEY2
THERM/OVLD
KEY4
OVERLOAD2
FMST
W
AKE
RDS
DI
REMOTE
RESET
RDS
CK
RDS
DT
GND
XI
N
X
OUT
V
DD
LED
CK
LED
DA
T
A
SFC1
SFC2
SEL1
HOLD
SEL2
D.P
ASS
RLY
LOUDNESS
V
EE
S/C SP
SP B
SP A
AF MUTE
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
DEG1
DEG2
DEG3
DEG4
DEG5
DEG6
DEG7
DEG8
DEG9
DEG10
INIT
IN
VOL
DOWN
VOL
UP
IF
DA
T
A
LIMITTER
3
2
1
54 53
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
10 9
FL DISPLAY
12 11
8 7 6 5
2 1
3
2
1
F G
C993
100P
C994
100P
R944
100K
R945
100K
C913
50V10
A
R929
100
C914
50V10
R930
100
C909
50V22
C91
1
50V22
D903
MTZJ4R7BT
A
C
B
A B C D E F G H
I
J K L M N O P
A B C D E F G H
I
J K L M N O P
C930
330P
C929
330P
C928
330P
C927
330P
C926
330P
C925
330P
C924
330P
C923
330P
C922
330P
C921
330P
R943
1K
R910
1K
R917
10K
J
I
H
U
K
C
D
M
L
N
I
F
G
O
B
J
R947
10K
A B
R901
1K
C D
E
R992
100K
R991
100K
R996
100K
R995
100K
C992
100P
C991
100P
C996
100P
C995
100P
R915
2.2K
R906
2.2K
R909
100K
CF901
1
3
2
VR903
(SFC MODE)
VR901
(INPUT SELECTOR)
S P Q R
R946
10K
D E
R914
22K
E
A
T
C904
6.3V1000
C901
6.3V1000
C902
0.1
R908
100K
R994
100K
R993
100K
D912
RVD1SS133TA
C910
50V22
C912
50V22
SCHEMATIC DIAGRAM-9
R916
22K
V
R907
100K
D910
RVD1SS133TA
14.1V
-14.9V
5.5V
-27.2V
5V
5.1V
5.1V
5.1V
0V
1.1V
0V
5.1V
5V
2V
2.3V
5V
0V
0V
5.1V
5.1V
5.1V
5.1V
5V
5V
5V
-27.2V
6V
4.9V
7.5V
0V
-26.8V
-26.8V
-20.8V
-17.9V
-12.1V
-17.5V
-23.6V
-23.6V
-14.1V
-17.9V
-20.8V
-23.7V
-23.6V
-12.1V
-15V
-15V
-23.6V
-23.6V
-23.6V
-23.6V
-23.6V
-23.6V
-23.6V
-23.6V
-23.6V
-23.6V
0.7V
0V
0V
5V
5V
0V
0V
0V
5.1V
5.1V
4.9V
0V
0V
5.1V
5.1V
0V
0V
0V
5V
0V
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
Summary of Contents for SA-G90
Page 10: ... Check the FL P C B as shown above Check the surround P C B as shown below 10 ...
Page 13: ... Check the main P C B as shown below 13 ...
Page 15: ...15 ...
Page 30: ...L1901 RLQB101KTA Y CHOKE COIL 1 M 30 ...
Page 34: ...R451 ERDS2TJ224T 220K 1 4W 1 M 34 ...
Page 36: ...R532 ERDS2TJ332T 3 3K 1 4W 1 M 36 ...
Page 39: ...R706 ERDS2TJ102T 1K 1 4W 1 M 39 ...
Page 53: ...C1911 ECBT1H102KB5 1000P 50V 1 M 14 Cabinet Parts Location 53 ...
Page 54: ...15 Packaging 54 ...
Page 55: ...55 ...