Onkyo HT-R494, Service Manual

Page: 44 / 108

Schematic Diagram
5 4 3 2 1 6
D
C
A
B
D
C
A
B
5 4 3 2 1 6
Video section
SEC
2
-2
SEC
2
-1
PBIN_1
PBIN_1
PBIN_2
PBIN_2
CON_A_1
CON_A_1
CON_A_1
CON_B_1
CON_B_1
CON_B_1
CON_C_1
CON_C_1
CON_C_1
+12V
PRIN_2
PRIN_2
YIN_2
PRIN_1
PRIN_1
PRIN_1
YIN_1
YIN_1
PbIN_0
PbIN_0
PrIN_0
PrIN_0
OPT1_CDIN
OPT1_CDIN
RI
OPT2_TVIN
OPT2_TVIN
+3.3V
+3.3V
ADINPR
ADINPB
ADINCV
4053_INH
CON_C
CON_B
CON_A
POFF2
+5.0VVDB
AUX_V
GND_DG
GND_DG
VIN_2
VIN_2
VIN_1
VIN_1 COAX1_IN
COAX1_IN
4053_INH_1
102J
C
2201
50V
102J
C
2200
50V
R
2300
NM
1/
10W
104Z
C2012
25V
080D
C
2053
50V
104Z
C2001
25V
104Z
C
2054
25V
103K
C2216
50V
102K
C
2206
50V
330J
C2032
50V
104Z
C2021
25V
C2041
104Z 25V
104Z C2015
25V
104Z
C2022
25V
102K
C2114
50V
104Z
C2356
25V
102K
C2113
50V
C
2014
NM
C
2051
NM
103K
C2215
50V
C
2016
NM
104K
C2052
16V
102K
C
2205
50V
330J
C2031
50V
C
2310
NM
102K
C
2208
50V
102K
C
2207
50V
C
2303
334J
50V
C2101
2.2u 50V
C2307
220u
10V
C2023 NM
C2118
2.2u 50V
C2203
2.2u
50V
C2102
2.2u 50V
C
2302
4.
7u
50V
C2112
2.2u
50V
C
2301
4700u
25V
C2110
2.2u
50V
C
2055
220u
25V
C2119
2.2u 50V
C2111
2.2u 50V
C2117
2.2u
50V
P
2801A
N
S
C
T
-3P
874
1
2
3
P9502B
NPLG-3P117
1 2 3
P
2800A
N
S
C
T
-23P
2414
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
D2102
DA2J10100
D2041
DA2J10100
D2302
DA2J10100
D2303
DA2J10100
D2104
DA2J10100
D
2311
NM
D2305
RB050M-30GTR
D2101
DA2J10100
DA2J10100
D2042
D
2310
NM
D2103
DA2J10100
D2301
G10XB80-02-60A-T16
1
2
3
4
D2304
DZ2J062M0L
F2301
T4A-SEUL-T250V
Q2002
74VHC4053AFT
1Y 1Y
1
0Y 0Y
2
1Z 1Z
3
Z_COM Z_COM
4
0Z 0Z
5
INH INH
6
GND7 GND7
7
GND8 GND8
8
C C 9
B B 10
A A 11
0X 0X 12
1X 1X 13
X_COM X_COM14
Y_COM Y_COM15
Vcc Vcc 16
Q2003
74VHC4051AFT
4 4
1
6 6
2
COM COM
3
7 7
4
5 5
5
INH INH
6
GND7 GND7
7
GND8 GND8
8
C C 9
B B 10
A A 11
3 3 12
0 0 13
1 1 14
2 2 15
Vcc Vcc 16
Q2001
NJM41041VC3-TE1
Y/CMIXSW
1
PBIN
8
VOUT18
V+2 17
YOUT16
PBOUT14
VIN
4
3 PS1
GND1
7
YIN
6
SYIN
2
V+1
5
GND215
PS219
SCIN 20
LPFSW13
PROUT12
NC211
NC1
9
PRIN
10
Q
2051
T
C7
4
HCU0
4
A
F
IN1
1
O
UT
1
2
IN2
3
V
CC
14
O
UT
2
4 5
IN3
O
UT
3
6
G
ND
7
O
UT
4
8
IN4
9
O
UT
5
10
IN5
11
O
UT
6
12
IN6
13
P2205
N
PJ
-1
PD
Y6
5
8
1
2
3
P2206
N
PJ
-1
PD
Y6
5
8
1
2
3
P
2051
N
P
J
-1P
D
O
554
1
2
3
P2203
NPJ-3PDGLR767
5
1
4
2
3
6
P2204
NPJ-3PDGLR767
5
1
4
2
3
6
P2000
MSJ-035-22
22
33
11
LBC2518T470M
L2001
LBC2518T2R2M
L2000
BK1608HS102-T
L2053
LBC2518T470M
L2052
Q
2021
VOUT1
VCC 3
GND2
Q
2022
VOUT1
VCC 3
GND2
R2201
0
R2203
0
R2202
0
R
2005
0
R
2006
NM
R
2051
NM
R2112
75
R2119
75
R2117
75
R2101 75
R2055 82k
R2208 10k
R
2301 10k
R2362
1k
R2361
1k
R2359
1k
R2102
75
R
2054 10k
R2209 10k
R
2050
75
R2000
330
R
2004
10k
R2022
47
R2052
10
R2357 1k
R2110
75
R2302
10k
R2001 NM
R2204
NM
R2003
10k
R2210 10k
R2207 10k
R2118
75
R2111
75
R2021 47
TP31
TP10
T
P3
TP30
TP21
TP25
T
P2
TP12
TP28
T
P4
TP2800
T
P1
TP26
TP24
TP32
TP23
TP11
TP27 TP20
T
P
0095
TP22
T
O
BAPR
C
-1
7
5
8
(PAR
T
-9
)
SCHEMATIC DIAGRAM(Part-7) VIDEO SECTION
BAVD-1735
MODEL No. TX-SR343/444 , HT-R494
CO
M
P
O
NE
NT
2
!
4053
4051
41041
P
RC
T
O
BAPR
C
-1
7
5
8
(PAR
T
-9
)
P
RC
AUX_F
V
CR
C
BL
/SAT
C B A ON SWITCH
0 0 0
1 1 1
X X X
Component2-BD/DVD(PB,PR_IN)
NONE
O
P
T1
O
P
T2
B
D/
DV
D
CO
M
P
O
NE
NT
1
C
O
AXI
AL
GNDVD
GNDVD
GNDVD
GNDVD
FROM TRANS
TV
CD
Y
PB
PR
Y
PR
0 0
ON SWITCH C
0
B A
1
1
0
INH
0
Component1-GAME2(PB,PR_IN)
1
1 1 1
1 1 0
0 0
0 0
Component2(YIN_2)
VIN1(CBL/SAT)
VIN2(VCR)
AUX(FRONT)
Component1(YIN_1)
Q2202:4051
Q2201:4053
GNDV_AUX
PB
C
OM
P
OS
IT
E
2
C
OM
P
OS
IT
E
1
4053_INH
G
AM
E2
B
D/
DV
D
41041_PS
NC
RI