Main Circuit - Panasonic SA-NS55E Service Manual

SA-NS55E / SA-NS55EG

15.2. MAIN CIRCUIT

1 2 3
SCHEMATIC DIAGRAM - 2
A
MAIN CIRCUIT
MPORT_L
CN810
R205
TU_CLK
4.7K
TU_CLK 1
TU_SDA
TU_SDA 2 R207
4.7K
TUNED MPORT_R
TU_TUNED 3
TO
B
TU_LCH 4
TUNER CIRCUIT
TU_ST
TU_STEREO 5
(JW810)
IN SCHEMATIC
TU_RCH 6
DET_OUT
DIAGRAM - 6
DET_OUT 7
9.6V
TU_9V 8
TU_ GND 9
TUNER_LCH
R201
3.3K
R401
3.3K
TUNER_RCH
CD_LCH
R203
C
2R7K
R403
2R7K
CD_RCH
DOCK_LPB
R208
8.2K
R408
8.2K
DOCK_RPB
D
E
W1021
CN701B
0
FIN 1
GND 2
RIN 3
M_7.5V 4
TO
W1140 0
MOTOR CIRCUIT PGND 5
(JW701) IN
SFU 6
W1039 0
F SCHEMATIC
GND 7
DIAGRAM - 9
SFD 8
OP_LEVEL 9
9.6V 10
DC_DET 11
W1135
0
G
B1
H
4 5 6
: FM/AM SIGNAL LINE : IPOD SIGNAL LINE
: + B SIGNAL LINE : MAIN SIGNAL LINE : AUX SIGNAL LINE
R446
12K
W1122
R211 C210
0
8.2K 220P
R447
R411 C410 12K
8.2K 220P
C214 C215
0.082 0.1u
1 VIN1 REC1 32
2 SEL1OUT REC2 31
C414 C415
C440
3 VIN2 MNF1 30
0.082 0.1u C449
4 SEL2OUT MOUT1 29
AUX_LCH
C211 0.22u C441
5 A1 MNF2 28
C411 0.22u AUX_RCH C442
6 A2 MOUT2 27
C443
7 B1 BNF1 26
C201
R202
C444
2R7K 220P 8 B2 BOUT1 25
C202 0.22u TUNER_LCH C445
9 C1 24
BNF2
R402 C401
C402 0.22u TUNER_RCH C446
2R7K 220P
10 C2 BOUT2 23
CD_LCH
C207 50V2.2 C230
11 D1 LEFT 22
C407 50V2.2 CD_RCH
C430
12 21
D2 RIGHT
R204 C206
C209 50V2.2 DOCK_LPB C448
6.8K 220P
13 E1 CAP 20
DOCK_RPB
C409 50V2.2
14 E2 VCC 19
R404 C406
6.8K 220P
15 FILTER S1 18
16 GND SC 17
C447
R209 C208
25V47
6.8K 220P
IC805
R409 C408
6.8K 220P
C1BB00000732
ASP IC
W1502
0
MECH_FIN
MECH_RIN
CD7.5V
PGND
MECH_SFU
MECH_SFD
OP_LEVEL
9.6V
DC_DET
D802
B0ACCK000005
R854
470K
C818
16V10
B2 B3
7 8 9
: CD SIGNAL LINE
Q721 Q723
B1GBCFJJ0044 B1GDCFGG0026
R723
10
MUTING SWITCH MUTING SWITCH
Q722
B1GBCFJJ0044
MUTING SWITCH
Q723
R721
R443 R722
1K
3.3K 2R2K
R720
0.015u C231
820K
50V1u
0.015u R444 C720
Q721
3.3K 50V1u
0.015u
0.015u
R442
5.6K
Q722
50V0.1
0.082u R445 R420
5.6K 4R7K
50V0.1
D720
0.082u
B0ACCK000005
50V1u
MUTE_B
50V1u
C250
C450
100P
50V0.33 100P
C431
R441
50V1u
C465 33
47P
C464
47P
W1026
0
AGND
D804, D805
B0ACCK000005
TO MAIN
SECTION (2/3)
B C E J K L M N O P Q R S T U V W
B4
58
10 11 12
W1029
0
R231 R232
C235 R234 R235
12K 68K
6.3V47 47 47
C233 C234
100P 100P
R236 R227
3R9K 3R9K
5 6 7 8
+B
Q221 Q222
IC804
R437
R436
3R9K
3.9K
R433
1K
4 3 2 1 Q421 Q422
W1033
0
C433 C434 C435 R434 R435
100P 100P
6.3V47 47 47
Q221, Q222, Q421, Q422
W1020
R431 R432
0 B1ABGC000001
12K 68K
MUTING SWITCH
IC804
C0ABBB000297
OP-AMP IC
X320
H0H433400002
LB700
R750
2.2K J0JBC0000015
FL3.3V
X320 C752
R751 1000P
220
16 15 14 13 12 11 10 9
IC803
IC803
C1AB00002751
RDS IC
1 2 3 4 5 6 7 8
C755
R753
470P
220
R754 C756 C757
1K 16V47 560P
LB701
J0JBC0000015
FL3.3V
DET_OUT
R839 R838
W1137 W1138
15K 15K
0 0
C815
100P
R834
15K
R830 R829
10K 15K
X A B
B5 B6 B7 B8
13 14
A
B
HP_L
C
HP_R
CN805
12 +VCC
VCC+15V
11 +VCC
10 MUTE_B
D
9 9.6V
CD7.5V
TO
8 CD7.5V
DC_DET POWER CIRCUIT
7 IN_L
(JW805)
D608
6 AGND
IN SCHEMATIC
B0ACCK000005
5 IN_R DIAGRAM - 8
PCONT_2
4 PCONT2
3 EARTH_GND
OP_LEVEL
2 OP_LEVEL
SUB+B_11V
1 SUB+B_11V
E
F
G
1/3
2/3
3/3
SA-NS55E/EG MAIN CIRCUIT
H