Panasonic SA-HT280 Service Manual page 74

SCHEMATIC DIAGRAM-8
D
FL CIRCUIT
CP905
L DIN
8
A .GND
7
G
To MAIN
L IN
6
CIRCUIT(CN905)
R IN
5
on SCHEMATIC
R DIN
4
DIAGRAM-13
+B(8)
3
R OUT
2
L OUT
1
CP904
8
V.RF
V.O
7
G
To MAIN
GND
6
CIRCUIT(CN904)
CON REQM
5
on SCHEMATIC
S-DET
4
DIAGRAM-13
OV 2
3
-B(1)
2
+B(1)
1
CP903
T.CK
8
T.DT
7
G
To MAIN
CON REQS
6
CIRCUIT(CN903)
VIDEO B
5
on SCHEMATIC
VIDEO A
4
DIAGRAM-13
IF DATA
3
SD
2
FM ST
1
CP902
TCE
10
COM DO
9
COM CK
8
G
To MAIN
COM DI
7
CIRCUIT(CN902)
GND
6
on SCHEMATIC
+B(3)
5
DIAGRAM-13
OV1
4
S/C
3
SP B
2
SP A
1
CP901
RELAY
10
RDS IN
9
AF MUTE
8
G
To MAIN LIMITTER
7
CIRCUIT(CN901) -B(2)
6 -27.2V
on SCHEMATIC FL AC2
5
FL AC1
DIAGRAM-13 4
HP R
3
HP L
2
HP GND
1
B
:POSITIVE VOLTAGE LINE
A
B
C
D
E
F
G
H
A
V
B
IC903
BU2090A
LED DRIVE
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
A
B
C
A
D921
RVD1SS133TA
D901
1SS291TA
:NEGATIVE VOLTAGE LINE
5.5V
-16.2V
14.4V
5V 5.3V 5.3V
16 15 14
1 2 3
0V 0V
C895
100P
C894
100P
R893
10K
R894
10K
Q902
2SA933SSTA
POWER SUPPLY
5.1V 5.1V
4.4V
R920
270
E D C B A
:FM/AM SIGNAL LINE
D931-937
SLR325VCT31
5.3V 5.3V 5.3V 0.3V
13 12 11 10 9
4 5 6 7 8
4.9V 5V 0.3V 5V
C B A
Q901
RVTDTC114YST
RESET
C916
5V
50V1
0V 10K
47K
Z891
RCDRPM6937H4
(REMOTE SENSOR)
R904
4.7K
1
2
3
5.1V
5V
5.4V