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
D908
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 SAHT280 - RECEIVER
Page 11: ... Check the FL P C B as shown above Check the surround P C B as shown below ...
Page 14: ... Check the main P C B as shown below ...
Page 16: ......
Page 33: ...WIRES ...
Page 37: ...R578 ERDS2TJ473T 47K 1 4W 1 M ...
Page 39: ...R637 ERDS2TJ154T 150K 1 4W 1 M ...
Page 55: ...16 Packaging ...
Page 56: ......