Onkyo TX-8020B - Schematic Diagrams - Part 2 (Amplifier Section); Amplifier Channel Circuit Layout; Power Distribution to Amplifier Stages; Output Stage Component Details

TX-8020
SCHEMATIC DIAGRAMS-02(PART-2)
AMP SECTION
TITLE
APPROVCHECKDESIGN SHEET
DRAWING No.
SBL_IN
SBR_IN
SR_IN
SL_IN R_IN
L_IN
C_IN
+B1H_B
-B1H_B
VPROTECT
IPROTECT
+24V
+24V
SPL
SPL
SPL
SPSR
SPSR
SPSR
SPSL
SPSL
SPSL
SEC1H
-B1C
-B1C
-B1C
-B1C -B1C
-B1C
-B1C
-B1C
GND_AMP
GND_AMP
SPSBL
SPSBL
SPSBL
SPSBR
SPSBR
SPSBR
SPR
SPR
SPR
VOLH
VOLH
VOLH
VOLH
VOLH
VOLH
VOLH
VOLH
VOLH
VPRO
VPRO
VPRO
VPRO
VPRO
VPRO
VPRO
VPRO
SPC
SPC
SPC
AC_S1L+
AC_S1L-
+B1C
+B1C
+B1C
+B1C
+B1C
+B1C
+B1C
+B1C
S1H+
S1L+
S1L+
S1H-
S1L-
S1L-
104Z
C6455
102J
C6411
104Z
C6452
334J
C6404C6403
334J
C6056
50V
103J
C6054
50V
103J
C6053
50V
103J
C6051
50V
103J
C6052
50V
103J
C6055
50V
103J
C6050
50V
103J
C6256
473J 50V
C6255
473J 50V
C6254
473J 50V
C6251
473J 50V
C6253
473J 50V
C6252
473J 50V
C6250
473J 50V
C6456
10u 50V
C6402
C6451
100u
25V
C6453
1u
50V
C6454 1u 50V
C6401
P6083
NPLG-2P29
1
2
P6080
NPLG-2P29
1
2
P6085
NPLG-2P29
1
2
P6084
NPLG-2P29
1
2
P6082
NPLG-2P29
1
2
P6081
NPLG-2P29
1
2
P6086
NPLG-2P29
1
2
P954B
1
2
3
4
5
P6600A
1234567
P6013B
1 2 3
4
5
6
7
8
9
P6002B
1
2 3 4
5
6
7
8 9
P6001B
1
2
3 4
5 6
7 8 9
P6006B
1
2 3 4 5 6
7
8
9
P6000B
1
2 3
4
5 6
7
8 9
P603A
1 2 3 4 5 6 7 8 9
P6004B
1 2 3 4 5 6 7
8
9
P6005B
1 2 3 4 5 6 7
8
9
D6005
DA2J10100
D6003
DA2J10100
D6004
DA2J10100
D6451
DA2J10100
D6402
DA2J10100
D6452
DA2J10100
D6000
DA2J10100
D6001
DA2J10100
D6002
DA2J10100
D6006
DA2J10100
D6401
TS10B06G-07
1
2
3
4
D6455
DZ2J033M0L
D6454
DZ2J033M0L
D6453
DZ2J033M0L
F6401B
F6411B
F6402B
F6401A
F6412A
F6411A
F6412B
F6402A
Q6401A
RAD-196
1
2 3
4
JL6100
CB-71683(L=50)
1
JL6101
CB-71683(L=50)
1
SC-0.8X5.5X18.5T
*L6000
SC-0.8X5.5X18.5T
*L6003
SC-0.8X5.5X18.5T
L6005
SC-0.8X5.5X18.5T
L6002
SC-0.8X5.5X18.5T
L6004
SC-0.8X5.5X18.5T
L6006
SC-0.8X5.5X18.5T
L6001
*J6705
*J6706
*J6700
*J6703*J6702
J6406
*J6704
*J6701
IPROTECT,SEC1H,VOLH,VPROTECT
AMPSIG_IN
S1L+,S1L-
+24V,GND_AMP
JL6104
HOLDER(CLAMP)
JL6102
HOLDER(CLAMP)
JL6103
HOLDER(CLAMP)
JL6106
HOLDER(CLAMP)
R6191
0
R6460
47k
R6446 8.2
1W
R6403
47k
R6441 8.2
1W
R6210
4.7k
R6212
4.7k
R6203
5.6k
R6211
4.7k
R6213
4.7k
R6152
10k
R6150
10k
R6451
33k
R6232
470
R6143
56k
R6202
5.6k
R6164
33k
R6215
4.7k
R6454
47k
R6230
470
R6162
33k
R6201
5.6k
R6080
0.22
R6181
47k
R6163
33k
R6155
10k
R6141
56k
R6144
56k
R6146
56k
R6459
5.6k
R6461
NC
R6205
5.6k
R6142
56k
R6151
10k
R6455
10k
R6458
470k
R6452
10k
R6176
47k
R6156
10k
R6083
0.22
R6445 8.2
1W
R6457
22k
R6206
5.6k
R6140
56k
R6180
47k
R6171
47k
R6170
47k
R6185
47k
R6094
0.22
R6081
0.22
R6090
0.22
R6092
0.22
R6204
5.6k
R6091
0.22
R6161
33k
R6085
0.22
R6086
0.22
R6096
0.22
R6095
0.22
R6084
0.22
R6093
0.22
R6234
470
R6182
47k
R6174
47k
R6216
4.7k
R6160
33k
R6200
5.6k
R6453
22k
R6184
47k
R6165
33k
R6145
56k
R6233
470
R6166
33k
R6175
47k
R6173
47k
R6401
0.1
1/2W
R6186
47k
R6183
47k
R6153
10k
R6456
220K
R6236
470
R6402
1k
R6235
470
R6082
0.22
R6440 8.2
1W
R6497
8.2
1W
R6022
560
R6020
560
R6021
560
R6026 560 R6025 560
R6024
560
R6023 560
R6154
10k
R6444 8.2
1W
R6442 8.2
1W
R6443 8.2
1W
R6214
4.7k
R6231
470
R6172
47k
*R6436
1/2W
*R6435
1/2W
*R6431
1/2W
*R6430
1/2W
*R6434
1/2W
*R6433
1/2W
*R6432
1/2W@value
R6105
R6100R6101
R6104
R6102
R6106 R6103
RL642
NC
1
2
3
4
5
RL641
NC
1
2
3
4
5
TP6007
TP6403
TP6010TP6009
TP5509TP5507
TP5506
TP6402
Q6452
2SC2713-BL
Q6075
INC6006AP1-T111-1W
Q6050
2SC5198-O
Q6001
2SC2412K-R
Q6054
2SC5198-O
Q6053
2SC5198-O
Q6003
2SC2412K-R
Q6401
KTC3875-GR
Q6005
2SC2412K-R
Q6051
2SC5198-O
Q6006
2SC2412K-R
Q6076
INC6006AP1-T111-1W
Q6451
2SC2713-BL
Q6052
2SC5198-O
Q6002
2SC2412K-R
Q6055
2SC5198-O
Q6056
2SC5198-O
Q6070
INC6006AP1-T111-1W
Q6004
2SC2412K-R
Q6071
INC6006AP1-T111-1W
Q6073
INC6006AP1-T111-1W
Q6074
INC6006AP1-T111-1W
Q6000
2SC2412K-R
Q6072
INC6006AP1-T111-1W
Q6453
2SA1163-BL(TE85L_F)
Q6065
2SA1941-O
Q6066
2SA1941-O
Q6063
2SA1941-O
Q6062
2SA1941-O
Q6060
2SA1941-O
Q6061
2SA1941-O
Q6064
2SA1941-O
Q6454
2SA1163-BL(TE85L_F)
P5506B
1234
P5507A
1234
P6009B
1234
P6010B
1234
P5509A
1234
P6401A
CRIMP AS
1
P6402A
CRIMP
1
P6403B
CRIMP AS
1
P6404B
CRIMP AS
1
P6401B
CRIMP AS
1
P6402B
CRIMP
1
P6400B
1
J601
72120030505
J601A
72120030505
RL644
NRL-1P10A-DC12-196
1
2
3
4
5
RL643
NRL-1P10A-DC12-196
1
2
3
4
5
GRN
2.0mmJUMPERLEAD
+B
6
SBR
3
SL
SBL
4
SR
GND_SL
GND_SR
GND_SBLGND_R
L
GND_L
(NH)
ID-
ID+
AV=29dB
1V
-0.3V
0.6V
2
C
GND_C
-0.6V
FROM BAETC-1475(PART5)
-B
(RED) (WHI)
Table:X
ASP/AMP
AMP SECTIONSCHEMATIC DIAGRAM (PART-2)
2.0mmJUMPERLEAD
SPSLE
SPLE
SPCE SPRE
SPSRE
SPSBRE
SPSBLE
FromAudioI/O
(PART1)
FromAudioI/O (PART1)
FromAudioI/O
(PART1)
R L
FOR
GNDRL
MODEL NO. TX-8020
XXX
Zone2 SPKR
SBL/R AMP
O
LIST
LIST
#18
#18
#18
#18
#18
(NH)
ID-
ID+
AV=29dB
1V
-0.3V
0.6V
0
-0.6V
R
1
(NH)
ID-
ID+
AV=29dB
1V
-0.3V
0.6V
-0.6V
(NH)
ID-
ID+
AV=29dB
1V
-0.3V
0.6V
-0.6V
5
1V
-0.3V
0.6V
-0.6V
ID-
(NH)
ID+
AV=29dB
0.6V
-0.6V
ID-
(NH)
ID+
AV=29dB
-0.3V
1V
-0.6V
ID-
(NH)
0.6V
ID+
AV=29dB
-0.3V
1V
TX-8020
AMP SECTION(PART-2)
RC-202985
FROM PART3(CLASS_A)
FROM BACLA-1318
Other: 470
T6/D3: 0
Other: 470
T6/D3: 0
TX-8020
Table: Y
10A/125V
F6401, F6402
Y
X
X
X
Table:Y
10A 10A 10A 10A 10A
12A 12A 12A 12A12A 12A
X
S1L FUSE
Table:Z
Z
Main CAP
CLASS-A
US
-1L
7ch
EX
5ch
US
-1G-1C -1K
7ch
-1J
US
7ch7ch
-1D
JJ
7ch
-1E
JJ
5ch
-1H
EU
5ch
EX
-1F
7ch 7ch
EU/EXUS
-1N-1M
7ch
EX
C6401,02
/63V
8200 8200
/63V /63V
8200 8200
/63V /63V
8200 10000
/69V
10000
/69V /69V
1000010000
/69V /69V
1000010000
/69V
R6435,36
L6005,06
XX X O O OO O OO O
X O X OX X
FromAudioI/O
(PART1)
(RED)
#18
(WHI)
(FOR BLK)
<--T5
0.22(5W)
T6-->
0.22(3W)
T6/D3: 2K Other: 560
T6/D3: 2K Other: 560
<--T5
0.22(5W)
T6-->
0.22(3W)
<--T5
0.22(5W)
T6-->
0.22(3W)
0.22(3W)
<--T5
0.22(5W)
T6-->
0.22(3W)
0.22(3W)
<--T5
0.22(5W)
T6-->
0.22(3W)
FOR CLA1318FOR CLA1328
R6497
J6406 JM
8.2(1W)
T5
T6/D3
X
X
OR KTC3875-GR
OR KTC3875-GR
OR KTC3875-GR
OR KTC3875-GR
OR KTC3875-GR
OR KTC3875-GR
OR KTC3875-GR
Table:W L6000-02
R6430-32
J6700-02
J6705,06 O O OX XXO X X X O
OO X XX X OO X X O
X O O OOOX O
F6401,02
F6411,12
W
WW
W
W
H59 H59 T6 T6 D3T5 T6 D3T5 T5 D3
YEW#18
FROM BAETC-1475(PART5)
CLA1318
CLA1328
SP TRM SP TRM
H49/H59
FROM PART3(CLASS_A)
FROM BACLA-1318
CLASS-A
FROM PART3(CLASS_A)
FROM BACLA-1318
CLASS-A
FROM PART3(CLASS_A)
FROM BACLA-1318
CLASS-A
FROM PART3(CLASS_A) FROM BACLA-1318
CLASS-A
FROM PART3(CLASS_A)
FROM BACLA-1318
CLASS-A
FROM PART3(CLASS_A)
FROM BACLA-1318
CLASS-A
2.0mmJUMPERLEAD
(FOR RED)
(FOR WHI)
L6003-04
R6433-34
J6703-04 OO X XX X OO X X O
X O X OX XOOX XO
FL/FR/C AMP
SL/SR AMP
OOO
H.Kurosaki
K.Ikeda
S.Murayama
2013.04.092013.04.092013.04.09
DTR-30.5
TX-NR525/HT-RC550
H59
T5
HT-R592
T6 TX-NR626/HT-RC560
CODE
D3
MODEL
-62V(TX-NR626/DTR-30.5)
+62V(TX-NR626/DTR-30.5)
+57V(HT-R592/TX-NR525)
-57V(HT-R592/TX-NR525)
HT-R592/ TX-NR525/ HT-RC550/ TX-NR626/ HT-RC560/ DTR-30.5++
R
BAAF-1472(2/2)
(R_ch)
(R_ch)
(R_ch)
(R_ch)
2 14
TO BATRM-1473 : TX-8020
TO BATRM-1473 : TX-8020
IDLING CHECK
IDLING CHECK
U0010 AMP(ASP) PC BOARD
A
1
2
3
4
5
B C D E F G H