Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-PM28 Viewing SGML_VIEW_DATA ALL SA-PM28E SVC sch13_14
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SCHEMATIC DIAGRAM - 13
: -B SIGNAL LINE
POWER CIRCUIT : +B SIGNAL LINE : MAIN SIGNAL LINE
R778
15K
R776 D708 Q700
MA2C16500E
1K B1AACF000063 R704 Q702
Q720 SWITCH 56K
C738 R774 Q701
B1AACF000063
16V10 100K SWITCH
KTA12710YTA
SWITCH
R772
16V33
Q720 C700
10K
4.7K
6.3V100
R702 Q701
KTC3199GRTA 100
AGC
R758
C703
R707 R710 R711
0.1
R705
C701
2.2K 5.6K 56K 820K
Q700 R706
56K
18
D706 4.7K
R703
10K R708
10K
R700
R701
R709
Q712, 713 Q702 820K
R766 R720 D705
B1AAGC000006 8.2K 82K
FAN1
FAN2
MUTING SWITCH D705, 706
10V
B0AACK000004
C746 C748
100P 27P C726, 727
16V10 (E/EG)
50V0.33 (EB)
C726 R728 C730 R734
16V10 1K 50V3.3 220
50V0.47
R768
100K
4 3 2 1
100P
0.01
4.7K
1K
R786 R725
1K C710 1K
+15V +15V 1000P R724
C742
C744
100K
C740
1 C736
R764
TGND C733 R790 R788 0.022 IC501 Q710, 711
2
R_IN
16V10 5.6K Q712 C0AABB000117 Q711
3 B1AAGC000006
50V0.47
L_IN R787 C737 DUAL OP-AMP R723 MUTING SWITCH
100K
1K
68K
100P
4 0.022 1K
0.01
+9V C734 R791 +9V C709 R722
5 1000P 100K
TO SGND 16V10 5.6K
6 Q713 Q710
C743
MAIN CIRCUIT
C741
R769
C739
R765
R789
DGND 4.7K 5 6 7 8
(CN301) ON 7
C745 C747 C727 R729 C731 R777
SW5V SW+5V
SCHEMATIC 8 100P 27P 16V10 1K 50V3.3 220
DIAGRAM - 8 10V 10V
9
FAN1 FAN1 R767 8.2K
10
FAN2 FAN2 R721
11
7.5V 7.5V 82K
12
PGND R744 R745
13 15K 6.8K
R746 C723 R747
CP501 50V1
D700 - 704
D701
D702
D703
D704
5.6K 1.2K
B0AACK000004 R775
15K R753 C725 C724
R773 D709 2.2K 3900P 3900P
1K MA2C16500E
D526, 527 Q721
D700
B0AACK000004 Q717
-9V C711 R771 R759
1 16V10 100K 4.7K
+5V
2
CD7.5V CD7.5V C722 C721 Q716
3 3900P 3900P
CD3.3V Q721 C720 R743
4 50V1
/CD KTC3199GRTA 1.2K
5 AGC
TO MUTEA R742
MAIN CIRCUIT 6 +9V R740 R741
MUTEH D526 5.6K
15K 6.8K
(CN302) ON 7
DCDET DCDET
SCHEMATIC 8
DIAGRAM - 8 HP_SW D527 MUTE_H
9
HP_L
R730 R731
3.3K
10 R748 C712
HP_GND 220K 6.8K
22
Q704 1.5K 2700P
11 R712
HP_R 1K
12 R756 C714 C713 R737
3.3K R750
R754
13 Q718 C728 C729 22 0.012 50V0.33 680
R726
C705
27K
3300P 3300P
CP502 10 R733 R732
8.2K 8.2K
22
R749 R757
1.5K 22
Q714 C713, 716
R751
R755
Q704 50V0.33 (E/EG)
KRA102MTA Q719 16V10 (EB)
MUTING SWITCH R738 Q715
Q718, 719 8.2K
B1AAGC000006 C717 C716 R739
MUTING SWITCH Q714 - 717 0.012 50V0.33 680
KTC3199GRTA
MUTING SWITCH
REMASTER
R735 C715 R736
220K 2700P 6.8K
R785 100
IC503
C0CAABE00006 IC502
REGULATOR IC
C0DAAHG00007
SWITCHING REGULATOR
R784
1 2 3 4 5 L703 K5G102AA0002
RLL500050T-Y
D803 L702
2 3 1 L704 G0ZZ00001930
RL1N4003S-P RLL500050T-Y C706
25V100
Q705
C732 C719
16V220 10V100
C718 C708 D710 C707 KRC102MTA
0.1 SWITCH
10V100 10V680 B0JAME000057
Q705
SCHEMATIC DIAGRAM - 14
: -B SIGNAL LINE
POWER CIRCUIT : +B SIGNAL LINE : MAIN SIGNAL LINE
Q703
CN503 TO
1 MAIN CIRCUIT
B1AACF000063 (WH303) ON
SWITCH 2
IC500 SCHEMATIC
IC500 DIAGRAM - 5
LO_R_OUT
LO_L_OUT
HI_R_OUT
HI_L_OUT
Q703 RSN314H41A-P
LO_R_IN
LO_L_IN
HI_R_IN
IN_GND
HI_L_IN
ACDET
POWER AMP
-VccM
E502
+Vcc
GND
-Vcc
C704 14 13 12 11 10 9 8 7 6 5 4 3 2 1
6.3V220
D707 C515 0.01
C702
50V2.2 C503 820P R514 56K HI_R
8
GND
D707 C509 33P R506 56K 7
C501 820P GND
B0AACK000004 6 TO
R761 22K R763 5.6K LO_L MAIN CIRCUIT
5
C500 820P R515 56K C505 39P HI_L (H303/W303) ON
4
GND SCHEMATIC
R760 22K R762 5.6K 3
GND
DIAGRAM - 8
C510 33P R505 56K 2
C502 820P
LO_R
R534 R550 R554 1
330 330 330
C504 39P CN504
R566
10K
2.2K
2.2K
4.7K
4.7K
D508
15K
15K
15K
15K
MTZJ15BTA
Q519
22K
180K
390K
100K
R542
R543
R544
R545
R532
R533
R540
R541
68K
R770
3.3K
Q519
R546
D530
R547
R548
R562
R561
B1AAGC000006 B0AACK000004
MUTING SWITCH
R565
6.3V220
12K
C536
R551
100K
C537
1000P
Q516
DCDET Q515
MUTE_H
+15V
Q514 Q515, 516
2SD0592ARA KTC3199GRTA R781 R780
VOLTAGE REGULATOR SWITCH (DCDET) 47K 47K
CD7.5V
C533
0.1
SW5V
Q517 R556 R557 E501
Q514 27 27
Q517
KTC32030YTA C528
0.01
R539
3.9K
VOLTAGE REGULATOR C518 R537
50V2200
0.01 2.2K C535
0.1
R567
150 C526 D524
50V33 MTZJ15CTA C506
D517
B0BA5R6000016
C530
R536 R549 0.1
Q501 2.2 2.2
50V2200
Q501
D743 KTC2026 C511
1DE3 (E/EG) VOLTAGE REGULATOR
0.01 D500
B0EAKM000085 (EB) R512 R511
B0EBNL000004
C507
150 1K
D541 C512 D515
D743 16V100 B0BA9R600002
1DE3 RL1N4003S-P
7.5V
R573 R572
+9V 2.7K 560 C516
50V10 Q505
REMASTER
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