110133_2 - Denon PMA-2020AE Service Manual

1 2
-15.8V
(1/2)
U201
NJM2082DD
R207 C205
33 10/50(RA3)
R201
1K
3 C209
4
R203
CF0.033J
1
1K
VR202:TREBLE
8
2
BOOST
1
15.8V
2
CUT
4
C211
0.22/50(RA3)
*
R252
9
9
7 6 0V 7 6
*
C212
0.22/50(RA3)
8
CUT
3
5
BOOST
6
R204
R202
1K 7
1K
C210
5
CF0.033J
R208
(2/2)
U201
33 C206
NJM2082DD
10/50(RA3)
R228
R227
22
22
B1010
10P-SCN
N1011
10P-EH
OFF
13
14
ON 15
NON-SHORTING
N0610
N0610
6P-EH(IM)
OFF ON OFF 10
+16V
11
1
GND
12
2
-16V
ON
3
L-CH
SHORTING
R233
4
GND 4.7K
5
R-CH 4.7K
R234
6
SHORTING
ON
3
2
1
OFF ON
OFF
RELAY(RY-12W)
S251 NON-SHORTING
ON 6
C201
5
10/50
S201
RFS#A
D201 4
1P-PUSH-SW
1SS133
OFF
8U-110133-12
DIRECT SW. UNIT
Q201
KRA102S
OFF
NON-SHORTING
R243
22K
10K
R245
Q203
KRA102S
OFF
non shorting
R244
R246
22K
10K
GND POWER + POWER -
3 4
VR203:BASS
VR201
R223 6 7
470
R217 8 1 2 3 4 5 9
C213
3.3K
0.1/50(RA3)
R211 15K
R219 22K
VR201: BALANCE
R229 15K
BOOST R253
30K
R252
CUT
10K
C215
0.47/50(RA3)
9
6 7
C216
0.47/50(RA3)
R252 CUT
R253
10K
30K
BOOST
R212 15K R220 22K
15K
R230
C214
R218
0.1/50(RA3)
3.3K
R224
470
8U-110133-6
Z201 Z202 Z203
OPEN
STYLE-PIN STYLE-PIN
TONE UNIT
00D2050452017 00D2050452017
Z3
M3-SIDE
00D2051034010
N0811
N0811
8P-EH
+16V
8
-16V
7
L-CH
6
L-TAP
5
GND
TO N0360
4
GND
3
R-TAP
2
R-CH
1
Z204
OPEN
Z901
STYLE-PIN
00D2050452017
ON SOURCE DIRECT
V-REF+5V
GND
POWER AMP DIRECT VOLUME DOWN
VOLUME UP
REMOTE_IN
→ ON
LED_G
LED_R
S.D.RELAY
S602
+12V
1P-PUSH-SW
S.DIRECT SW
P.DIRECT SW
STOP.ACT
STBY POWER
5
1U-110133-10
REC/PREOUT UNIT
K306
4P-PINJACK
N0630
L 5
N0630
6P-EH(IM)
RECORDER1 6
REC1OUT_L
1
REC2OUT_L
R 2
4 GND
3
GND
4
L
2 REC2OUT_R
5
REC1OUT_R
3 6
RECORDER2
8U-110133-9
J301
TO N0311
PHONO/CD OPEN
TERMINAL UNIT R 1 4
N0310 1
PHONO N0310
2 5
3P-EH-IM
PH_L
1
1
K301
GND
3
2
K307
PH_R
3 4P-PINJACK C477
2
K301 N0640
R479
7 1 00P
N0640
L 5
6P-EH(IM)
470 C478
PRE OUT 6
1
100P
R480
2
470
R
3
4
4
R471 100
5
L
2
6
J302
3
OPEN
P.DIRECT
R
1 R472
100
CD
4
K301
6
CD_L
1
GND
2 TO N0321
CD_R
5
3
N0320
K301
N0320
8
3P-EH-IM
R302
330K(AMRS)
8U-110133-11
U902
C907 1/50 RA3
GP1UE26XK0VF
K901
N0361 D921
2P_MINI-JACK
N0361
C906 LP 1SS133
3P-PH 1
0.01 GND
2
VREF+5V R952
1 VCC 2
1
100
D-GND
2 3 VOUT 3
REMOTE
3 21
22
R951
23
100
Z902
SHIELD-CASE
Q904
KRA102S
445310117000M
+5V
REMOTE I/O UNIT
8U-110133-8
POWER LED UNIT
U901
N0650 C904
0.01 LP
N0651 6P-PHs
GP1UE271XKVF
R942
2 GND
6P-PH
100
VCC
6 6 VCC
1
GND VOUT
5 5 3
VOUT
4 4
LEDR
Q903
3 3
KRA102S
LEDG
2 2
LEDK
1 1
D908
0V R SML1216W
+5V
R941 1
220
G 2
Z90 3
3 STYLE-PIN
+2V
12
00D2050452017
0V
11
10
9
8
7
N0221
6 N0221
POWER-SWITCH(TV-5)
5 2P-VHw
4
S101
2
3
2
1 C101
N1211
1
N1211
8U-110133-5 OPEN
12P-PH
POWER SW UNIT
32
6 7
K501
8U-110133-13 643010073204S
PHONE JACK UNIT PHONE-JACK-BOARD(9P )
1
6 G
5
4
Rch
3
Lc h
2
7
8
9
C599
OPEN
N0541
N054 1
OPE N
5P-EHs
B501
TO N0540
P.OUT L
P.OUT R
GND
GND
DIRECT L
DIRECT R
SCHEMATIC DIAGRAMS (4/5)

110133_2

8
A
B
C
D
(E2/E1C)
(J)
C477,478 OPEN CQ100p(LP)
R479,480 470(AMRS)
SHORT
E
C301,302 OPEN CQ100p(LP)
R ch SIGNAL LINE
F
L ch SIGNAL LINE