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Onkyo R-801A Service Manual

Onkyo R-801A
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A
1
2
3
4
5
BCD
R-801A
SCHEMATIC DIAGRAM 3-2
P701B
PLLCLK
PLLDATA
PLLCE
CLK
SECRELAY
DATA
APLED
RDSDATA
RDSSIG
ESAVELED
2G
1G
P17
P16
P15
P14
P13
P12
Vload
P11
P10
P9
P8
P7
P6
P1
P2
P3
P4
P5
JOGA
JOGB
Vdd
SYSOUT
IC
REMIN
SYSIN
POFF
RDSSCK
STEREO
SD
TUMUT
X2
X1
Vss
AVref
AVdd
K0
K1
AREA
SIGNAL
AVss
RESET
INPMUT
POWER
STB
VOLDOWN
VOLUP
Vdd
9G
8G
7G
6G
5G
4G
3G
Q701
MPD78045FGF-***
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
C708
0.1F
C716
100/6.3
C711
3.3/50
C705
1/50
(L=7MM)
C703
47/16
C715
10/50
(L=7MM)
C730
104Z
C714
104Z
C712
104Z
C710
104Z
C706
220J
C704
104Z
C701
104Z
C702
104Z
C713
104Z
L701
220K
NCH-1477
X701
XTL-4.19M
VOLUP
VOLDOWN
5V
VOL+
5V
VOL-
5V
DGND
Q702TA7291S
1
2
3
4
5
6
7
8
9
D704
1SS352
OR 1SS355
D703
1SS352
OR 1SS355
D701
RL1N4003
OR 1SR139-100
OR GP104003E
D702
RL1N4003
OR 1SR139-100
OR GP104003E
R754
100
R716 220
R753 1K
R752
220
R707
220
R717 1K
R718
220
R719
220
R720
10K
R715
2.7K
R732
1K
R728 1K
*
R7271K
*
R729 1K
*
R730
1K
R733
220K
R723
22K
R722
22K
R714
2.7K
R712
2.7K
*
R713
2.7K
*
R711
1K
R710
1K
R721 10K
R708
47K
R709
10K
R706 1K
R704
1K
R703
1K
R702
1K
R701
1K
R
736
470
R735
470
R750 10K
R731 10K
R751 1K
Q703
RN1404
OR KRC104S
Q706
RN2403
O
R KRA103S
D705
UDZ5.1B
D706
UDZ5.1B
C707
NTC-45P27
R734
100K X 11
*
P6
P7
P8
P9
P10
P11
-VP
P12
P13
P14
P15
P16
P17
1G
2G
P5 3G
VOLUP
+5V
MVDOWN
VOLDOWN
P4 4G
+5V
MVUP
+5V
P3 5G
E
D
P2 6G
REMIN
P1 7G
8G
9G
+5VM
VOLUP
JOGA VOLDOWN
JOGB STB
+5VM POWER
DGND
APLED INPMUT
SYSOUT DATA
RESET
REMIN ESAVELED
RI
POFF
RDSSCK CLK
RDSDATA SECRELAY
RDSSIG
DGND
RI
DGND
+5VS
+5VM
K0
K1
AREA
SIGNAL
STEREO
PLLCLK
PLLDATA
PLLCE
TUMUT
SD
+5.6V
MVUP
MVDOWN
+5V
DGND
+5VS
+5VM
PLLDATA
STEREO
SD
RDS
SIGNAL
PLLCLK
PLLCE
RI
TUMUT
SECRELAY
CLK
DATA
MVDOWN
MVUP
INPMUT
+5.6V
+5.6V
FLAC1
FLAC2
STB
POFF
POWER
+5V
DGND
DGND
-VP
(1) PAGE
5.7
TO NCAF-7336
A
U8
Microprocessor PC board
BYMARK
ARECRITICAL FOR
SAFETY
IDENTIFIED
NOTE
THECOMPONENTS
REPLACEONLY
WITH PART
NUMBERSPECIFIED.
.
.
VOLTAGE(MEASUREDWITHVOLTMETER) IS
DC VOLTAGE.(NO INPUT SIGNAL)
.
ALL PNP TRANSISTORS ARE EQUIVALENT
.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
.
ELECTROLYTIC CAPACITORS (
)
ARE IN F/WV.
.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030-3pF 330-33pF 331-330pF 333-0.033uF
u
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
.
.
TO 2SA1015-GR UNLESS OTHERWISE NOTED.

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Onkyo R-801A Specifications

General IconGeneral
BrandOnkyo
ModelR-801A
CategoryAmplifier
LanguageEnglish

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