Panasonic RM-G45PA Panduan Servis - Halaman 8
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Halaman CetakRM-G45PA
4 Schematic Diagram
SCHEMATIC DIAGRAM-1
A
MAIN CIRCUIT
:POSITIVE VOLTAGE LINE
ANT
CN1
1
2
ET1(x3)
1
2
3
Z2
(WB TUNER PACK)
1
ANT
0V
5.4V
2
GND
9.2V
VDD
3
3V
(3.6V) 2.4V
4
VT
5
OSC
6
GND
3.6V
7
SD
5V
AF OUT
8
Note: The number which noted at the connectors on the schematic diagram as
"SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
:AM SIGNAL LINE
:FM SIGNAL LINE
Z1
(FM/AM TUNER PACK)
1
2
3
4
5
3V
0V
5.2V
8V
(3.6V)
(0V)
2.4V
D1
R9
DI1SV271L
3.3K
Q1
2SK1829
L.P.F.
R12
2.2K
C11
R13
25V1
1.2K
0V
3V
(3.6V)
C12
2.4V
0.001
D
0V
1.4V
G
2.2V
Q1
S
0V
R21
100
R32
D5
100K
DI0MA111L
0V
0V
0V
0V
Q3
3.6V
TRC1037QL
Q2
SWITCHING
TRC114YUL-A
SWITCHING
0V
R31
0
C24
20
19
18
17
27P
C25
1
2
3
4
27P
IC1
0005749000-T
PLL FREQUENCY
SYNTHESIZER
:WB SIGNAL LINE
:WB OSC SIGNAL LINE
:FM/AM/WB V cap CONT.SIGNAL LINE
:FM/AM OSC SIGNAL LINE
6
7
8
9
10
11
12
13
8V
2V
0V
5.8V
0V
5.6V
(0V)
(0V)
1.6V
(2.2V)
0V
0V
0V
Q5
0V
TRB123YKL
(0V)
POWER SUPPLY
9.2V
9.2V
Q6
TRB123YKL
9.2V
POWER SUPPLY
(9.2V)
1.8V
R11
100
1.8V
(1.8V)
9.2V
16
15
14
13
12
11
5
6
7
8
9
10
R30
R25
2.2K
2.2
8
14
15
16
3.6V
3.6V
4.2V
0V
0V
0V
0V
9.2V
Q7
Q4
TRB123YKL
TRB123YKL
POWER SUPPLY
POWER SUPPLY
9.2V
9.2V
9.2V
(0V)
0V
2V
2.8V
(9V)
9V
9.2V
5V
RM-G45(PA) MAIN SCHEMATIC DIAGRAM
9.2V