Main Circuit (1/6) - Panasonic RX-D50EE Service Manual

16.2. MAIN CIRCUIT (1/6)

1 2 3
SCHEMATIC DIAGRAM - 2
A
B
MAIN CIRCUIT
B
C
MUTE_A
R5939 0
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
18K 220P
C2506 C2509
R2509
2200P 220P
18K
C2501
1
C2502
R2503
18K 220P
R2504 C2503
220P
18K
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
C4178
16V47
IC2500
C1BB00000732
ASP
C2538
1 VIN1 REC1 32
50V0.1
R2535
2 SEL1 REC2 31 10K
C2531 0.015
3 VIN2 MNF1 30 R4122
1K
C2524 0.015 R2532
4 SEL2 MOUT1 29
MPORT_LCH 10K
C2525 0.015
C4137
5 MNF2 28
A1
MPORT_RCH 2700P
C2526 0.015 R2533
6 A2 MOUT2 27
2.2K
TAPE_LCH C2527 0.15
7 26
B1 BNF1
TAPE_RCH
C2528 0.15 R2534
8 B2 BOUT1 25
C2535
2.2K
TUNER_LCH C2529 0.15
C1 BNF2 47P
9 24
TUNER_RCH
C2530 0.15
10 C2 BOUT2 23
CD_LCH
11 22
D1 LEFT
CD_RCH
12 D2 RIGHT 21
R2536
20
13 E1 CAP
100
14 E2 VCC 19
FILTER S1
15 18
16 GND SC 17
C4138
2700P
R4124
TO MAIN
SECTION (4/6)
64
10 11 12
: AM SIGNAL LINE : FM/AM SIGNAL LINE
R5938
0
R4163 R4164
22K 22K
Q4102
B1HBECA00004
MUTING
1 6
C4176 C4177
0.1
0.1
2 5
3 4
R4125
10K
C4141
R4133
18K 1
R4128
R4131
2.2K
R4135
3.9K
6.8K
C4139
R4123
0.068
0
C4140
R4132
0.068
R4136
3.9K
6.8K
R4129
C4142
R4134
2.2K
1
18K
R4127
10K
1K
1/6 2/6 3/6
4/6 5/6 6/6
RX-D50EE MAIN CIRCUIT
13 14
5
TO MAIN
SECTION (2/6)
2
3
4
1
P1