110134_1 - Denon PMA-2020AE Service Manual

1 2
C425
CQ0.01(LP)
1SS133
1SS133
D425
D423
+26.7V
Q423
2N5551S
+4.5V
+3.9V +3.9V
0V
R423
220(AMRS)
2N5551S
Q429
-26.1V
C423
10/50(RFS#A)
GND
N0571
N0571
5P-EH-IM
+16V
1
-16V
2 B401
LEFT
3 OPEN (2.4)
GND
4
CQ0.01(LP)
RIGHT
5
C426
1SS133
D424
1SS133
D426
Q424
2N5551S
R424
220(AMRS)
2N5551S
Q430
C424
10/50(RFS#A)
GND
PRE OUT
S401
D431
1SS133(HOMI)
C461
47/50(RFS#A)
Q451
8U-110134-1 DTC114TK
FLAT AMP UNIT
Z401
OPEN(STY-PIN)
Z801
STYLE-PIN50mm
GND POWER + POWER -
3 4
+28V
R443
100(1W)_AMRA
Q437
+26.7V
2SK215
+27.3V
D
G 1
2
3
S
+0.9V
0V
R437
-1.0V
1M(AMRS)
KTC3206Y-AT
Q431
-27.8V 3
3
2
2
1
2SJ78
1
Q439
C431
CQ39P(FAS)
-28V
GND
+16V
-16V
+28V
R444
100(1W)_AMRA
Q438
2SK215
D
G 1
2
3
S
R438
1M(AMRS)
Q432
KTC3206Y-AT
3
3
2
2
1
1 2SJ78
Q440
CQ39P(FAS)
C432
-28V
GND
INTEGRATED P.DIRECT
S402
S403
D433
D432
1SS133(HOMI) 1SS133(HOMI)
C463
C462
47/50(RFS#A)
47/50(RFS#A)
D404
Q452
UDZS5.1B
DTC114TK
GND
D405
UDZS5.1B
STBY POWER
5
+28V
S402
N0520
7
5P-VH
+28V
6
1
+16V
8
N0551
2
N0551 GND
5P-EH-IM
3
-16V
S403
+16V
1 4
-28V
-16V
P.DIRECT
4 2 5
LEFT
3
3
GND
5 4
NC
5
S401
PRE OUT
4
N0660
N0660
C473 3
6P-EH-IM
47/50(RFS#A) 5
OUT-L
1
C475 OUT-R
R477 2
47/50(RFS#A)
-28V
100K(AMRS)
GND
3
8U-110134-2
GND
4
IN-L POWER SUPPLY UNIT
5
IN-R
6
N0521
5P-VH
+28V
1
+16V
2
GND
3
-16V
4
-28V
5
S402
4
3
5 N0561
N0561
5P-EH-IM
S403
+16V
1
-16V
P.DIRECT 2
7
RIGHT
3
6
GND
4
8
NC
5
S401
PRE OUT
7
C476 6 N0370
N0370
47/50(RFS#A)
8 3P-EH(IM)
TO N0371
C474
1
47/50(RFS#A) R478
100K(AMRS)
2
3
N0671
N0671
6P-PH
RELAY B
1
+12V
2
P.DIRECT
3
H/P-MUTE
4
GND
5
NC
C421,422
6
C437,438
C841-844
33
6 7
2SK209(GR) 2SK209(GR)
KTC4370A(0/Y) FCH20A15
Q827
+44V
KTC4370A(0/Y)
+16V Q823 Q821
Q825
1
R825
D D
1
1 G 1 G
2 2
R823
R821
3 3
1K(AMRS) S 1K(AMRS) S
+16.6V + 28.6V
-16.6V - 28.6V
R824 D R822 D
1K(AMRS) 1 G 1K(AMRS) 1 G
2 2
R826
3 3
S S
1
-16V Q824 Q822 -44V
1
KTA1659A(O/Y) Q826
2SK209(GR) 2SK209(GR )
Q828 KTA1659A(O/Y)
FRH20A15
PMA2000SE PMA2010AE PMAA100 PMAA100
(J) (E2) (J) (E2/E1C)
CQ100P(LP) CQ100P(LP) CQ100P(PPSC) CQ100P(PPSC)
CQ0.01(LP) OPEN OPE N
1000/50(RFS#A) 1000/50(RFS#A) 1000/50(RGO#A) 1000/50(RGO#A)
SCHEMATIC DIAGRAMS (5/5)
8
F821
D821
3.15A(25RF)
3
2 A
N0250
2P-VHws
to
1
POWER TRANS
2
Z811
GND M3_TO P
N0260
2P-VHws
to
1
POWER TRANS
2
3
F822
2 B
D822
3.15A(25RF)
C
PMAA100
D
(E3)
CQ100P(PPSC)
OPEN
1000/50(RGO#A)
E
R ch SIGNAL LINE
F
L ch SIGNAL LINE

110134_1