Panasonic RX-D55EE Manuale di servizio - Pagina 19
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6.5.
MAIN CIRCUIT (5/6)
SCHEMATIC DIAGRAM - 6
B
MAIN CIRCUIT
PCONT1
DCH
PCONT2
HALT
A9V
DC_DET2
TO MAIN
SECTION (4/6)
3
1
D5V
3.3V
STBY3.3V
BU3.3V
VREF+
PGND
15
16
17
: +B SIGNAL LINE
: CD/TAPE AUDIO INPUT SIGNAL LINE
: MUSIC PORT AUDIO INPUT SIGNAL LINE
D4101
B0ADFJ000004
2
3
1
IC4103
C0DAEJG00001
VOLTAGE REGULATOR
D4100
B0ADFJ000004
2
5
4
3
2
1
IC4102
L4104
J0JKB0000020
C0CBABE00023
VOLTAGE REGULATOR
5
4
VOUT
NC
VIN
VSS
NC
1
2
3
C4168
C4169
0.33
25V220
C4148
C4153
C4162
R4152
C4149
16V100
39K
1
16V47
1
Q4105
B1ADCE000012
POWER SUPPLY
R4139
0
18
19
20
: AUDIO OUTPUT SIGNAL LINE
: FM SIGNAL LINE
TO MAIN
SECTION (2/6)
D4107
B0ACCK000005
R4109
22
Q4107
R4153
1.5
B1BCCG000002
L4105
REGULATOR
J0JKB0000020
R4154
1.5
R4149
1.5
D4102
Q4108
B0ACCK000005
B1ACCF000094
POWER CONTROL
Q4118
B1ADCE000012
SWITCH
R4137
10K
R5914
R5915
1K
2.2K
Q4106
B1ABCF000176
Q4119
POWER CONTROL
B1GBCFJN0033
INVERTER
DZ4100
B0BC9R1A0218
D4106
B0ACCK000005
C0CBABE00040
VOUT GND
VIN
VOLTAGE REGULATOR
D4103
B0ACCK000005
1
2
3
D4104
B0ACCK000005
R5925
47K
R4141
2.2K
QR4104
B1GBCFJN0033
POWER CONTROL
21
22
23
19
: AM SIGNAL LINE
: FM/AM SIGNAL LINE
CN4100
G
4
TO
8
VCC
POWER CIRCUIT
7
VCC
(JW4102*)
R5943
6
MAIN_GND
0
IN SCHEMATIC
5
A9V
DIAGRAM - 10
1
4
SYS6V
G
3
12V BATTERY
TO
2
PCONT2
POWER CIRCUIT
1
HALT
(JW4101*)
IN SCHEMATIC
DIAGRAM - 10
IC4100
1/6
2/6
3/6
4/6
5/6
6/6
24
25
26
P1
TO MAIN
SECTION (6/6)
RX-D55EE MAIN CIRCUIT
27
28