Onkyo CR-245, Руководство по обслуживанию

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CR-245WDC
SCHEMATIC DIAGRAMS - 10
REGULATOR2 (MAIN PCB)
A
1
2
3
4
5
B C D E F G H
6
7
8
I J K
SYS_POW-H
AT3.3V
VFD_POW
SYS_POW-H
VFD_POW
SIGNAL_POW
D6VS
A+6V
AT3.3V
D1.25V
D3.3V
D3.3VA
D5V
PVDD
S1.8V
S3.3V
S5V
SW+16V
VFD3.3V
VFD_GND
VFD_GND
VFD_POW
SIGNAL_POW
A+6V
D5V
D6VS
GN
D
PVDD
SW+16V
S5V
S3.3V
S1.8V
VFD3.3V
D1.25V
D3.3VA
D3.3V
C1
79
7
0.
1
B
10
05
10
V C1
80
1
0.
1
B
10
05
10
V
C1
76
3
10
B
21
25
10
V
C1
76
4
0.
1
B
10
05
10
V
C1
79
9
0.
00
1
B
10
05
50
V
C1765
10 B
2125 10V
C1766
0.1 B1005 10V
C1798
10 B
2125
10V
C1
79
6
4.
7
B
16
08
6.
3V
C1
80
2
1
B
16
08
25
V
C1
80
3
0.
1
B
10
05
10
V
C1
79
5
0.
00
1
B
10
05
50
V
C1779
10 B
2125
10V
C1
78
0
0.
1
B
10
05
10
V
C1
78
1
4.
7
B
16
08
6.
3V
C1
78
2
0.
1
B
10
05
10
V
C1
78
3
4.
7
B
21
25
16
V
C1
78
4
0.
1
B
10
05
10
V C1
78
5
4.
7
B
16
08
6.
3V C1
78
6
0.
1
B
10
05
10
V
C1
83
0
1
B
16
08
25
V
C1794
10 B
2125
10V
C1
80
4
0.
1
B
10
05
10
V
C1
78
7
1
B
16
08
10
V
C1
78
8
0.
1
B
10
05
10
V
C1
80
6
0.
02
2
B
10
05
25
V
C1
80
5
0.
1
B
10
V
10
05
C1790
10 B
2125
10V
C1
79
1
0.
00
1
B1
00
5
50
V
C1
79
2
4.
7
B
21
25
16
V C1
79
3
0.
1
B
10
05
10
V
C1
80
0
4.
7
B
16
08
6.
3V
D1
71
2
KD
R7
30
E-
RT
K/
P
@C
hi
p_
D1
71
1
KD
R7
30
E-
RT
K/
P
@C
hi
p_
D1
71
0
KD
R7
30
E-
RT
K/
P
@C
hi
p_
D1725
SMAB34
@Chip_
D1
72
6
SM
AB
34
@C
hi
p_
D1
70
8
KD
R7
30
E-
RT
K/
P
@C
hi
p_ D1
70
7
KD
R7
30
E-
RT
K/
P
@C
hi
p_
D1
71
7
SM
AB
34
@C
hi
p_
D1
70
9
KD
R7
30
E-
RT
K/
P
@C
hi
p_
D1
71
8
SM
AB
34
@C
hi
p_
IC
17
14
RP
13
1K
50
1D
-T
R
1
VO
UT
2
VO
UT
3
GN
D
4
CE
5
VD
D
6
VD
D
IC
17
13
RP
13
1K
18
1D
-T
R
1
VO
UT
2
VO
UT
3
GN
D
4
CE
5
VD
D
6
VD
D
IC
17
11
RP
13
1K
50
1D
-T
R
1
VO
UT
2
VO
UT
3
GN
D
4
CE
5
VD
D
6
VD
D
IC
17
12
RP
13
1K
33
1D
-T
R
1
VO
UT
2
VO
UT
3
GN
D
4
CE
5
VD
D
6
VD
D
IC
17
10
RP
13
1K
12
1D
5-
TR
1
@B
GA
_p
2
@B
GA
_p
3
@B
GA
_p
4
@B
GA
_p
5
@B
GA
_p
6
@B
GA
_p
IC
17
09
RP
13
1K
33
1D
-T
R
1
VO
UT
2
VO
UT
3
GN
D
4
CE
5
VD
D
6
VD
D
W8
94
10
05
0
Q1722
KMA2D4P20SA-RTK/P
1 G
2
D
3
S
Q1709
KTC3875S_Y_RTK
1 B
2
C
3
E
Q1
71
7
KR
C1
01
S-
RT
K
1
B
2 C
3 E
Q1718
KRC101S-RTK
1
B
2 C
3 E
Q1
72
0
KR
C1
01
S-
RT
K
1
B
2 C
3 E
Q1
71
6
SI
34
43
CD
V-
T1
-G
E3
1
@B
GA
_p
2
@B
GA
_p
3
@B
GA
_p
4
@B
GA
_p
5
@B
GA
_p
6
@B
GA
_p
Q1
73
0
SI
34
43
CD
V-
T1
-G
E3
1
@B
GA
_p
2
@B
GA
_p
3
@B
GA
_p
4
@B
GA
_p
5
@B
GA
_p
6
@B
GA
_p
Q1
72
1
SI
34
43
CD
V-
T1
-G
E3
1
@B
GA
_p
2
@B
GA
_p
3
@B
GA
_p
4
@B
GA
_p
5
@B
GA
_p
6
@B
GA
_p
R1
75
4
47
0
1/
16
W
+-
1%
10
05
R1779
33 1/16W
1005
R1
76
4
1M
1
/1
6W
10
05
R1
76
7
8.
2K
1
/1
6W
10
05
R1
75
7
10
K
1/
16
W
10
05
R1
75
6
10
0K
1
/1
6W
10
05
R1
75
8
10
K
1/
16
W
10
05
R1
76
3
10
K
1/
16
W
10
05
R1
76
2
10
K
1/
16
W
10
05
R1
76
5
3.
3K
1/
16
W
10
05
R1
74
2
10
K
1/
16
W
10
05
R1
76
1
8.
2K
1
/1
6W
10
05
R1760
6.8K 1/16W
1005
R1
75
2
10
K
1/
16
W
10
05
R1766
6.8K 1/16W
1005
R1
75
3
68
1
/1
6W
+
-1
%
10
05
R1
75
9
10
K
1/
16
W
10
05
R1
75
5
1K
1
/1
6W
+
-1
%
10
05
GND
(1;2;3;4;5;6;7;8;9)
SOUND+B (9)
AT3.3V (2;5;9)
A+6V (9)
D6VS (9)
SIGNAL_POW (9;11)
VFD_POW (2)
SYS_POW-H (2;9)
VFD_GND (9;11)
PVDD (5)
S5V (5;6)
D5V (4)
D3.3VA (3)
D3.3V (1;3;4;5;7)
D1.25V (3)
S3.3V (2;5;6;7;8)
SW+16V (11)
S1.8V (5)
VFD3.3V (2)
(3-7) Loader OPU+5V
(3-8) MPEG+3.3V (DIO) (3-9) MPEG+1.25V (Core)
(3-10) MPEG+3.3VA (DeCAnalog)
Vin=6.0V
Vout=3.90117V(typ)
r o t a l u g e R V 3 . 3 + o i d u A ) 3 - 3 ( r o t a l u g e R V 5 + o i d u A ) 2 - 3 (
V 8 . 1 + P S D o i d u A ) 4 - 3 (
( 7-1 ) POWER AMP VDD SW
(4-2) VFD DRIVER IC +3.3V
VFD(3.9Vac) VDD SW ( 5 )
Vout= 7.48V
Vin = 16.5V
VGS = -9.02V
VGS = -9.02V
Vout= 7.48V
Vin = 16.5V
( 7-2 ) POWER AMP VDD SW
3.3
VFD DRIVER IC +3.3V
3.3
0
16.9 16.9
16.9 16.9 16.9
16.9 16.9
16.9 16.9 16.9
16.9 16.9 16.9
16.9 16.9
3.3
0
0
3.3
0
0
VFD IC 3.3V SW
VF
D
TR
AN
S
SW
VF
D
TR
AN
S
PO
WE
R
SW
6.0 6.0 6.0
0 5.0 5.0
5.0 5.0 5.0
3.3 3.3 0
3.3 3.3 3.3
1.8 1.8 0
3.3 3.3 3.3
1.25 1.25 0
3.3 3.3 0
4.7 4.7
4.7
5.0 5.0 0
6.0 6.0 6.0
3.3
D3.3VA SW
6.0
3.9
7.8
7.8
7.8
W943/W963/W964/W898
MP SHORT
W857/W918/W919
MP SHORT
CAUTION
ATTENTION
!
!
!
!
!
!
!
!
!
DESCRIBED IN PARTS LIST ONLY.
CRITICAL FOR SAFETY,USE ONES
! SINCE THESE PARTS MARKED BY ARE :
DANS LA NOMENCLATURE DES PIECES.
N’UTILISER QUE CELLS DECRITES
DANGERUSES AN POINT DE VUE SECURITE
!
LES PIECES REPAREES PAR UN ETANT :
CAUTION:DIGITAL TRANSISTER
( MAIN PCB )
REGULATOR2 SCHEMATIC DIAGRAM