Onkyo TX-SR502E Service Manual page 20

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SCHEMATIC DIAGRAMS-1
PREAMPLIFIER SECTION
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VIDEO-1 OUT
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FRONT
DVD
TE
L 13942296513
CENTER
3
SUBWOOFER
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B
TO NAETC-8234
P261A
R345
47K
R300
CDR
330
CD
R308
330 000J
CDL
TOR
R301
R302
Q316
330
330
Q317
R303
R304
TIR
330
R309
000J
330
TIL
R305
*
R306
V3IR
C322
330
104Z
P302
330
V3IL
*
R307
C323
104Z
R310
V2IR
330
330 R351
V2IL
000J
R311
R312
Q318
330
330
Q319
R313
R314
V1IR R352
330 000J
330
V1IL
C325
R315
R316
DVDR
104Z
L
330
P305
R
330
DVDL
R317
R318
MRS
L
330
SURR
R 330
MLS
R319
R320
MSW
330
MC
C326
R321
330
104Z
Refer to the following table about the parts displyed by mark " "
DD, DC PP GQ, GR, PA WT MJJ HT-R520
Q181 NO YES NO NO NO NO
Q6407 NO YES YES YES YES NO
Q6408 NO YES YES YES YES NO
Q7301 NO NO NO NO YES NO
L181 NO YES NO NO NO NO
L7301 NO NO NO NO YES NO
X181 NO YES NO NO NO NO
C101 YES YES YES YES NO YES
C103 YES YES YES YES NO YES
C104 YES YES YES YES NO YES
C106 YES YES YES YES NO YES
C181 NO YES NO NO NO NO
C182 NO YES NO NO NO NO
C183 NO YES NO NO NO NO
C184 NO YES NO NO NO NO
C185 NO YES NO NO NO NO
C186 NO YES NO NO NO NO
C187 NO YES NO NO NO NO
C300 101K 471J 471J 471J 101K 101K
C301 101K 471J 471J 471J 101K 101K
C304 101J 471J 471J 471J 101J 101J
C305 101J 471J 471J 471J 101J 101J
C306 NO NO NO NO 101J NO
C307 NO NO NO NO 101J NO
C310 101J 471J 471J 471J 101J 101J
C311 101J 471J 471J 471J 101J 101J
C314 101J 471J 471J 471J 101J 101J
C315 101J 471J 471J 471J 101J 101J
C316 101J 471J 471J 471J 101J 101J
C317 101J 471J 471J 471J 101J 101J
C318 101J 471J 471J 471J 101J 101J
C319 101J 471J 471J 471J 101J 101J
C320 101J 471J 471J 471J 101J 101J
C321 101J 471J 471J 471J 101J 101J
C7301 NO NO NO NO YES NO
C7302 NO NO NO NO YES NO
C7303 NO NO NO NO YES NO
C7304 NO NO NO NO YES NO
C7305 NO NO NO NO YES NO
C7306 NO NO NO NO YES NO
C7307 NO NO NO NO YES NO
C818 YES YES YES YES NO YES
R102 YES YES YES YES NO YES
R103 YES YES YES YES NO YES
R104 YES YES YES YES NO YES
R107 YES YES YES YES NO YES
R181 NO YES NO NO NO NO
R182 NO YES NO NO NO NO
R183 NO YES NO NO NO NO
R184 NO YES NO NO NO NO
R306 NO NO NO NO YES NO
R307 NO NO NO NO YES NO
R6405 NO YES YES YES YES NO
R6406 NO YES YES YES YES NO
R6407 YES NO NO NO NO YES
R6408 NO YES YES YES YES NO
R7003 000J 33K 10K 10K NO 000J
R7004 NO 56K 33K 10K 10K NO
R7078 000J 33K 33K 33K NO 000J
R7079 000J 000J 000J 000J 33K 4.7K
x ao
R7080 10K 10K 10K 10K 10K 4.7K
y
R7178 NO 56K 56K 56K 10K NO
R7179 NO NO NO NO 56K 33K
R7180 10K 10K 10K 10K 10K 33K
R731* 000J 000J 000J 000J 000J NO
i
R811 YES YES YES YES NO YES
R815 NO NO NO NO YES NO
P101 YES YES YES YES NO YES
P302 NO NO NO NO YES NO
R185 YES NO YES YES YES YES
R186 YES NO YES YES YES YES
R187 YES NO YES YES YES YES
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8
U01
NADG-8230
PREAMPLIFIER PC BOARD
R346
DMIXR
47K
DMIXL
1 AGND1
2 AGND2
TUR
3 INA1
TUL
4 INA2
V4R
5 INB1
V4L
6 INB2
CDR
7 INC1
CDL
8 INC2
TIR
9 IND1
TIL
10 IND2
V3IR
11 INE1
V3IL
12 INE2
V2IR
13 INF1
V2IL
14 INF2
V1IR
15 ING1
BD3817KS
V1IL
16 ING2
Q301
17 INH1
18 INH2
19 INI1
20 INI2
DVDR
21 INJ1
DVDL
22 INJ2
23 AGND3
24 INDVDFR
25 INDVDFL
MC
26 INDVDC
MRS
27 INDVDSR
MLS
28 INDVDSL
29 INDVDCB
MSW
30 INDVDSW
ADCR+
ADCL+
NJM4565M-D
OR MPC4570
DAC_L
R357
C373 8
5 000J
10/16
7 R347
Q302
10K
6
R361
10K
R355
10K
R387 R359
R364
C327 2.2K 470
Q Q
330J NC
3 6 7 1 3
C328
R365
330J
R386 R360
NC
R356
10K 2.2K 470
R362
10K
2 R348
Q302
10K
1
R358
C374
3
000J
4
10/16
DAC_R
DAC_SW
NJM4565M-D
OR MPC4570G2
R401 47K
R402 47K
R403 47K
R404 47K
R405 47K
NJM4565M-D R830
NC
NC
6
C803
7
Q801
NC
R879
C849
+12VA
5
8 2.2K R831
2.2K
R850
R832
NC
4 R880 2.2K
-12VA
3
1 2.2K
10/16
Q801
2
C850
R833
4.7K
NJM4565M-D
R834
NJM4565M-D
4.7K
10/16
6
7
R883
Q802
2.2K
C851
5
8 R835
2.2K
R836
4 2.2K
R884
3
10/16
1 2.2K
Q802
2
C852
R837
NJM4565M-D 4.7K
R838
NJM4565M-D
4.7K
C853
C805
10/16
6
7
DAC_SW
R887 104Z
Q803
2.2K
C808
5 104Z
8 R839
2.2K
R840
R888
4 2.2K 2.2K
C854
3
10/16
C800
DAC_C 1
Q803
330J
2
R841
4.7K
NJM4565M-D
C814
NJM4565M-D R842
330J
4.7K
C855
10/16
6
7 R891
DAC_R
Q804
2.2K
u163
5
8 R843
2.2K
R892 R844
2.2K
4 2.2K
3
1
DAC_L
Q804 .
2
C856
10/16
R845
4.7K
NJM4565M-D
TX-SR502/E/8250/HT-R520
C
2 9 9 4 2 8
Q321 78L07
+7V
O G I
SELDA
SELCK
Q322 79L07
SELMUT
-7V
O G I
VINFR
80
GOUTFL 79
VINFL 78
AGND11 77
C370 472J
TNF1 76
C369 472J
TNF2 75
C371 104J
BNFA1 74
C372 104J
R353
BNFB1 73
4.7K
C376 104J
BNFA2 72
C381 104J
BNFB2 71
OUT_R R354 4.7K
OUTFR 70
NC7 69
OUT_L
OUTFL 68
AGND10 67
OUT_C
OUTC 66
OUT_RS
OUTSR 65
OUT_LS
OUTSL 64
OUR_LB
OUTCB 63
C390
AGND9 62 101J
OUT_SW
OUTSW 61
NC6 60 C391
101J
AGND8 59
VINC 58
GOUTC 57
VINSR 56
GOUTSR 55
C392
VINSL 54
101J
GOUTSL 53
VINCB 52
C393
GOUTSB 51
101J
C394
C368
101J
10/16
2
Q305
1
3
4
NJM4565M
OR MPC4570
330J
NC
C351
Q320
RN2402
R383 10K
R349
OR KRA102S
220K
6
Q305
10/16
1K
5
R367 8
C349
+12VA
1 5 0 5 8 2 9 9 4
NJM4565M
OR MPC4570
T1RECMUT
V1RECMUT
R350
220K
Q323
RN2402
OR KRA102S
C802
NC
R851
NC
41
ROUT3
42
NC4
43 LOUT2
44 NC5
45 ROUT2
46 NC6
47 LOUT1
48 NC7
Q800
49 ROUT1
50 NC8 AK4588VQ
C804
51 LIN
2.2/50
52 RIN
53 VCOM
54 VREFH
55 AVDD
56 AVSS
57 RX0
58 NC9
RX1
59
TEST1
60
C809
330/6.3
m
co
D
9 9
Q6402
78M12 R6402 10
+12VA
O G I
1/2W
C6403
C6404
223Z
10/16
Q6403 79M12
R6403 33
-12VA -22V
O G I
1/2W
C6406
C6405
10/16
223Z
* R6407
Q6407 3.3 1W
Q6405
2SB1068-K
78M12
*
R6408
+12VVD
O G I
3.3
C6410
C6409
10/16
223Z
*
Q6408
R6406
RN1402
Q6406 1K
7805 KRC102S
+5VDSP
O G I
C6412
R6411
C6411
10/16
223Z
1.0 1/2W
C353 47/16 R330 470
OUT_L
Q307
R371
RN1441
NC
R372 Q308
NC
47/16 RN1441
OUT_R L
R331 470
C354 G
R373 470
OUT_RS R
Q309
C355 R344
R
NC
G
L
Q310
C356 R396
OUT_LS C
R374 470
R375 470
OUT_C S
Q311
C357 R397
NC
C395 C380 R363 Q314
101J
R389 470
S
C352
P
104Z
R388 R385
270 SWPO
R376 100 100
47/16
C358
Q312
RN1441
Q313
RN1441
R384
AMUT
220K
7
2 8 9 9
C751 2
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
DACDA4
D7
29 DQ7
DACDA3
CS
30 CE
DACDA2
A10
31 A10
DACDA1
OE
32 OE
2.2K
R828
R804 56
CDTO 20
R802 56
DALRCK
LRCK1 19
R801 56
DACBCK
BICK1 18
R849
ADSDO
SDTO1 17
R819 56
DIRLRCK
LRCK2 16
R820 560
DIRBCK
BICK2 15
R816 56
SAI_SDOUT
SDTO2 14
VOUT 13
UOUT 12
DIRMCKO
COUT 11
L802
MCKO1 10
LM182
MCKO2 9
R818 L803
TEST3 8
330 022M
OMCK
XTI 7
330/6.3
C813
+5VDSP
XTO 6
C815
DVSS 5
DACDA4
104Z
DVDD 4
DACDA3
L801
TVDD 3
C806
BOUT 022M
2
INT1
104Z
3VINT1
DSPXT
1
R817
56
C807
100/6.3
Q703
TC7WU04FU
L800
022M
TX
RX1
RX2
RX3