Onkyo HT-R820THX Service Manual page 13

A
SCHEMATIC DIAGRAMS-1
PRE-AMPLIFIER SECTION
CD
1
TAPE-1 OUT
TAPE-1 IN
VIDEO-2 IN
2
VIDEO-1 OUT
VIDEO-1 IN
L
FRONT
R
L
SURR
DVD
R
CENTER
3
SUBWOOFER
<Notes>
NC=No mount of parts.
Refer to the following table about the parts displyed by mark "
REF. NO. DESCRIPTION
R7003 000J
R7078 000J
R7079 10K
R7080 4.7K
R7178 NO
R7179 33K
R7180 33K
4
5
B
TO NAETC-8234
P261A
R345 R346
47K 47K
R300
CDR
330
R308
R301
000J
CDL
TOR
330
R302
Q316
330
TUR
330
TUL
Q317
R303
V4R
R304
TIR V4L
330
CDR
R309
000J
CDL
TIR
330
TIL TIL
R305
V3IR
R306
V3IR V3IL
C322
104Z
NC V2IR
P302 V2IL
NC
V1IR
R307
V3IL V1IL
NC
C323
104Z
DVDR
DVDL
R310
V2IR
330
MC
MRS
330
V2IL MLS
R311 R351 000J
R312
MSW
Q318
330
330
Q319
R313
R314
V1IR R352
000J
330
330
V1IL
C325
R315
R316
DVDR
104Z
330
P305
330
DVDL
R317
R318
MRS
330
330
MLS
R319
R320
MSW
330
MC
C326
R321
330
104Z
"
C850
10/16
C851
10/16
10/16
C852
C853
10/16
DAC_SW
C854
10/16
DAC_C
C855
10/16
DAC_R
DAC_L
C856
10/16
C
NADG-8230
U01
PRE-AMPLIFIER PC BOARD
DMIXR
DMIXL
SELDA
SELCK
SELMUT
1
2
3
4 INA2 AGND11 77
1 AGND1 VINFR 80
5 INB1 TNF1 76
2 AGND2 GOUTFL 79
6 INB2
TNF2 75
3 INA1 VINFL 78
7 INC1 BNFA1 74
8 INC2 BNFB1 73
9 IND1 BNFA2 72
10 IND2 BNFB2 71
11 INE1 OUTFR 70
12 INE2 NC7 69
13 INF1 OUTFL 68
14 INF2 AGND10 67
BD3817KS
15 ING1 OUTC 66
16 ING2 OUTSR 65
Q301
17 INH1 OUTSL 64
18 INH2 OUTCB 63
19 INI1 AGND9 62
20 INI2 OUTSW 61
21 INJ1 NC6 60
22 INJ2 AGND8 59
23 AGND3 VINC 58
24 INDVDFR GOUTC 57
GOUTSL 53
28 INDVDSL
25 INDVDFL VINSR 56
VINCB 52
29 INDVDCB
26 INDVDC GOUTSR 55
GOUTSB 51
30 INDVDSW
27 INDVDSR VINSL 54
28
29
30
ADCR+
ADCL+
C368
10/16
NJM4565M-D
OR MPC4570
DAC_L
NC
R357
C373 8
5 000J
10/16
7
R347
Q320
Q302
10K
6 RN2402
R361
R349
OR KRA102S
10K
220K
R355
10K
R387 R359
1.5K 390
C327
330J
C328
330J
R386
R360
R356
10K 390 R350
R362 1.5K
220K
10K
R348
2
10K
Q302
1
R358
C374
3
000J
10/16 4
DAC_R
DAC_SW
NJM4565M-D
OR MPC4570G2
R401 47K
R402 47K
R403 47K
47K
R404
R405 47K
NJM4565M-D
6
7
R831
Q801
R879 2.2K
+12VA
5
8 2.2K
R832
4
-12VA R880 2.2K
3
1
2.2K
Q801
2
R833
4.7K
NJM4565M-D
R834
NJM4565M-D
4.7K
41
7 6
R883
Q802
2.2K 42
43
5
8
R835
44
2.2K
45
R836
46
4
R884 2.2K
3
47
1 2.2K
Q802
48
2
49
R837
50
NJM4565M-D 4.7K
C804
51
2.2/50
NJM4565M-D R838 52
4.7K
53
C805
6
7
R887 104Z 54
Q803
2.2K
C808 55
5 104Z
8 R839
56
2.2K
57
R840 58
R888
4 2.2K 2.2K
3
59
C800
1
60
Q803 330J
2
R841
C809
4.7K
NJM4565M-D
330/6.3
C814
NJM4565M-D R842
330J
4.7K
6
7 R891
Q804
2.2K
5
8 R843
2.2K
R892
R844
4 2.2K 2.2K
3
1
Q804
2
R845
4.7K
NJM4565M-D
HT-R820THX
Q321 78L07
+7V
O G I
Q322 79L07
-7V
O G I
80
79
78
C370 472J
C369 472J
C371104J
C372104J
R353
4.7K
C376 104J
C381 104J
R354
4.7K
OUT_R
OUT_L
OUT_C
OUT_RS
C353 47/16
OUT_LS OUT_L
OUR_LB
C390
101J
OUT_SW
C391
101J
OUT_R
OUT_RS
C392
C355
101J
53
C356
52
C393
51 101J
OUT_LS
OUT_C
C394
101J
C395
101J
2
Q305
1
3
4
NJM4565M
OR MPC4570
C351
330J
R383
10K
6
Q305
10/16
7
1K
5
C349 R367 8
+12VA
NJM4565M
OR MPC4570
T1RECMUT
V1RECMUT
Q323
RN2402
OR KRA102S
DACDA4
DACDA3
DACDA2
DACDA1
20
19
18
41
ROUT3 CDTO 20
NC5 SDTO1 17
42 NC4
LRCK1 19
ROUT2 LRCK2 16
43 LOUT2
BICK1 18
NC6 BICK2 15
LOUT1 SDTO2 14
NC7 VOUT 13
Q800
ROUT1 UOUT 12
NC8 COUT 11
AK4588VQ
L802
LIN MCKO1 10
LM182
RIN MCKO2 9
VCOM TEST3 8
VREFH XTI 7
AVDD XTO 6
58 NC9 TVDD 3
AVSS DVSS 5
59 RX1
BOUT 2
RX0 DVDD 4
60 TEST1
INT1 1
3
C806
2
104Z
1
C807
100/6.3
D
R6402
Q6402 78M12
10 1/2W
+12VA
O G I
C6403
C6404
10/16 223Z
Q6403 79M12 R6403
33 1/2W -22V
-12VA
O G I
C6406
C6405
10/16
223Z
R6407
3.3 1W
Q6405 78M12
Q6407 NC
R6408
+12VVD
O G I
NC
C6410 C6409
223Z
10/16
R6406
NC
Q6406 7805
Q6408
+5VDSP
O G I NC
C6412 R6411
C6411
10/16
223Z
1.0 1/2W
R330
1.2K
Q307
RN1441
C354
R331
Q308
47/16
1.2K RN1441
L
G
R373 1.2K
R
Q309
R344
R
NC
G
R396
L
Q310
NC
C
R374 1.2K
R375 1.2K
S
Q311
R397
NC
C357
Q314
C380 R363 NC
R389
1.2K
S
C352
104Z
P
47/16
R388 R385
R376 Q313
C358
100 100
270
RN1441 SWPO
Q312
RN1441
R384
220K
Q306
RN2402
OR KRA102S
C751
C752
A3
17 A3
A2
18 A2
A1
19 A1
A0
20 A0
D0
21 DQ0
D1
22 DQ1
D2
23 DQ2
24 VSS A
D3
25 DQ3
D4
26 DQ4 W
D5
27 DQ5
D6
28 DQ6
D7
29 DQ7
CS
30 CE
A10
31 A10
OE
32 OE
2.2K
R828
R804 56
R802 56
DALRCK
R801 56
DACBCK
R849
ADSDO
R819 56
DIRLRCK
R820 560
DIRBCK
R816 56
SAI_SDOUT
DIRMCKO
R818 L803
330 022M
OMCK
C813 330/6.3
+5VDSP
C815
DACDA4
104Z
DACDA3
L801
022M
3VINT1
DSPX
R817
56
Q703
TC7WU04FU
L800
022M
TX
RX1
RX2
RX3