Schematic Diagram; Main Circuit (1/6) - Panasonic RX-D55EE Service Manual

6 Schematic Diagram

6.1.

MAIN CIRCUIT (1/6)

1 2 3
SCHEMATIC DIAGRAM - 2
A
B
MAIN CIRCUIT
B
C
MUTE_A
REC_LCH_IN
REC_RCH_IN
MPORT_LCH
R2505 10K
MPORT_RCH
R2502 10K
D
TAPE_LCH_OUT
R2501 220
E
TAPE_RCH_OUT
R2500 220
TUNER_LCH
AGND
F
TUNER_RCH
CD_LCH
R2516 100K
G
CD_RCH
R2517 100K
H
4 5 6
: +B SIGNAL LINE : CD/TAPE AUDIO INPUT SIGNAL LINE : MUSIC PORT AUDIO INPUT SIGNAL LINE
R5934 3.3K
R5935 3.3K
R4121 1K
R3122 47K
R3129 47K
C2505
2200P
C2508
R2508
220P
18K
C2506
C2509
R2509
2200P
220P
18K
C2501
1
R2503 C2502
220P
18K
C2503
R2504
18K 220P
C2500
1
C2504
1
C2507 C2511
R2506 220P 220P
18K
R2507
18K
C2510
1
C2514
1
R2520 C2516
18K 220P
C2517
R2521
220P
18K
C2518
1
7 8 9
: AUDIO OUTPUT SIGNAL LINE : FM SIGNAL LINE
R5939
C4178
50V1
IC2500
C1BB00000732
ASP
C2538
1 VIN1 REC1 32
50V0.1
R2535
2 SEL1OUT REC2 31
10K
C2531 0.015
R4122
3 VIN2 MNF1 30
1K
C2524 0.015
R2532
4 SEL2OUT MOUT1 29
10K
MPORT_LCH
C2525 0.015 C4137
5 A1 MNF2 28
2700P
MPORT_RCH C2526 0.015
R2533
6 A2 MOUT2 27
2.2K
TAPE_LCH
C2527 0.15
7 B1 BNF1 26
TAPE_RCH C2528 0.15
R2534
8 B2 BOUT1 25
C2535
2.2K
TUNER_LCH
C2529 0.15
47P
9 C1 BNF2 24
TUNER_RCH C2530 0.15
10 23
C2 BOUT2
CD_LCH
11 D1 LEFT 22
CD_RCH
D2 RIGHT 21
12
R2536
13 E1 CAP 20
100
14 E2 VCC 19
15 FILTER S1 18
17
16 GND SC
C4138
2700P
R4124
TO MAIN
SECTION (4/6)
15
10 11 12
: AM SIGNAL LINE : FM/AM SIGNAL LINE
0
R4164
R4163
22K
22K
Q4102
B1HBECA00004
MUTING
1 6
C4176 C4177
0.1 0.1
2 5
3 4
R4125
10K
R4133 C4141
0 1
R4128
R4131
3.3K
R4135
3.9K
22K
C4139
R4123
0.12
0
C4140
R4132
0.12
R4136
3.9K
22K
R4129
C4142
R4134
3.3K
0 1
R4127
10K
1K
1/6 2/6 3/6
4/6 5/6 6/6
RX-D55EE MAIN CIRCUIT
13 14
5
TO MAIN
SECTION (2/6)
2
3
4
1
P1