Onkyo TX-SR502 Service Manual page 43

A
PRINTED CIRCUIT BOARD VIEWS-2
U01
PREAMPLIFIER PC BOARD
1
(NADG-8230)
2
3
4
5
B
R321 21 1
C321
R343
C C3 C3 3 20 C 3 C C3 3 20
R3 3 42 R R3
R3 3 20 R R3
R3 R 19 R31 3
C3 C 19 C31 3
R341 R34 R3 1 R341 R3 3 4 41 1
R34 R340 R340 0
C318 C31 C318 8
R318 R318 R318
C3 C326 C326 26
R317 R317 R3 17
C317 C317 C3 C 17
R339 9 R339 R R33
2
R338 R338 R3 38 38 8 8 8 8 8
R365 R365 65
C31 1 C31 C3 16 6 6 6 6 6
R R356 6
R 16 6 R31 R316
C328 C 8 8
R3 R362 62 2
R315 R 15 R315
C 15 C315 C315
1 1 1 1
R337 R 37 R337
R 36 R336 336
Q30 Q Q 3 2 2
C314 C 14 314
R314 R3 4 R R 31 314
8 8
R R313 R3 3 313 5 5
C313 C3 13
R335 3 35
R R 4 R4 R4 R41 41 1 0
5 R855 5 5 5 R8 5 5 5 85 R R
R R R361 61 1
R334 R334 4 R33
4 54 54 854 854 R85 R8 R8 R R8 R R R R
R409 R4 R 09 40
C C C327 7 7 7 7 7 7
C312 C312 31
R R R355 5 5 5 5 5
R312 312 2
R R R R 364 R R364 36 36 6 6 4 4
R 41 1 R84 R841 R 3 R 3 R83 R R R R R8 R R 8 838 83 8 8 8 838 3 38 8
C824 C8 82 24 C C C C C C C 2 C 823 C C8 C 8 3 3
C8 C C C C C C C C 83 C8 8 8 83 3 7 3 3 3 7 7 C8 8 3 3 6 6 C 836 C C C C 8 C C C
C3 3 25 C C325 25
R888 8 R8 R88 8 8 R8 8 8 8 7 7 R 887 R R R R
R311 R3 31 1
C311 C3 31 1
R33 3 3 R3 R333 3
R33 3 2 R3 R332 2 R8 R8 R8 84 4 84 4 4 4 4 4 5 5 5 R842 R R 842 42
C310 C3 C31 1 0 0 C8 C C8 826 2 2 2 2 2 6 6 C C 825 C825 25
R3 0 0 R310 R310 C C 84 4 1 C C8 C C C C 841 1 C8 8 3 3 9 9 C 839 C C C C C
R R R R8 R R R 89 9 2 892 2 R 891 R R R R R8 8 91
C323 C C 323 C C3 C3 323
R R 307 307 0
C307 307 0
R329 R 2 329
31 3
R328 R328 R 2
C306 C 0 C306
R306 R306 R 0
30 30 3 3 0 0 0 0 0 0
R 05 R305 R305
C305 C 05 C305
R327 R327 R327
R326 6 R326 R32 2 6
C304 C304 304 04 04 4
R3 4 R304
R309 R309 R309 9 9
R303 3
C30 C 30 C303 C C30 0 3 03 3
R308 R308 308 8
1 1 1 1 1 1 1 1
R325 R325 R349 R 349 R 5 R3 R35 R35 5 5 50 50 5 5 0 0 0
C C375 375 C3 C37 C37 77 7 7 77 77 7 7 7 7 7 7 7
1 1 0 100 0 10 100 00
R324 R R 2 324 2 Q Q320 3 0 20 Q3 Q3 Q3 2 2 2 3 3 3
C343 C34 C343 C3
C C378 378 C3 C37 7 C3 7 7 9 7 9 9 9
R30 R30 302 0 0 2 02 2
C3 2 C302 02 2 2
C322 C322 322 2
C 3 C 341 C341 C C C C341 3 4 341 41 41
R R R301
C358 C358 58 8 8
C301 C30 C301 01
R323 R323
R322 R322 322
Q313 Q 13 3
Q312 1
C30 C30 C3 C300
Q305 305
4 4 4 4
1 1
R300 00 00 00 0 0
R388 R376 6
8 8
5
C352
E E 300
R3 R367 7
C365
C350 C 0
R385
R383 R383 R R R R369 R369 R R368 R368 8 8 8 8
R382
C351 C351 R370 R370 R R
C
Soldering side
C8 C80 C809 809 809 09
R851 R R 85 851 51
D 02 80 R809 R R 09 R 809 R R 6 6 1 61 61 61 1 1
L800 L L80 L800
D8 D8 D D 80 80 06 06 6
C808 C C 808
C80 C80 C C C 802 C802 C 802 C
C8 8 05 C C C 805 05
C8 804 4
R850 R850 R850 50
R825 825 5 5
C803 C803 C 3
R826 R826
R853 R853 R853
C84 C846 C84 C846 4 6
D D801
D80 05 05 5
41 1 1 1 1 1
C847 C847 C847 84 84 7 7
4 4 4 40 40 40 0 0
852 R852 R85 R8 8 R8
R401 R40 1 R R405 4
C854 C C 854 C854 C C854 C854 C 854 C853 C C853 C853 C 853
R4 4 02 2
50 50 50 50 50 0 0 0 0 0
C C 368 C368 C368
C364 C364 C 51 C851 851
C852 C
51 51 51 5 5 1 1
C353 C353 C353 C3 C353
C348 C348 C3 C3 348 48
C 354 C C 354 C354 C
C C 347 C347 C347 C347 347
C357 C357
C38 C3 381 1
80 80 8 8
C376 C3 6 C355 C 55
8 8 8 1 1
C34 C3 C344 4
C356 C356
C34 C34 C3 C342 C34 42
C380 C3 C C 380 C38 C C 3
P 80 P P P80 P80 P P80 P80 8 801 1 1
TX-SR502/E/8250/HT-R520
L783 L 783 L L L 783
C813 C81 1 3 13
80 8 0 80 8 80
R R817 R 817 R817 R 17
1 1
C C807 C807 C 807 C C C C C
L L 80 8 8 801
R818 R8 R81 818 818 818
L80 L8 L8 L802 80 802 02 02
R8 8 16 R816 1
R820 R8 8 2 R 820 20
R R 8 R819 81 1 9 9
L803 L803 L803
R84 R 49 R849 849
2 20 20 0
R801 R801 R801
21 21
R802 R802 R802 R802 802
R8 8 04 4 R804
R8 R847 7 R 847 R R R R 84 8
R R 8 8 28 8 R828
R803 R R 8 8 03
R R 805 5 R805
R R 80 0 6 R806 806 6
R R R R 821 R R 82 R8 8 21
R837 R834
C C C 822 C8 C821
C83 C83 833 C831
R884 R884 4 R R883
R R403 R403
R404 4
C C850 0 C 49 C849 9 9
1 1
C390 C390 C3 3 3 90
R384
P406 P40
C359 C C 359 C359
53
C C3 C C3 3 3 391 391
C366 C366 6 6
OUT OUT
I I N N
C394 C3 C3 394 3 3 394
E E OUT OUT UT
C392 2
Q321 Q32 321
C367 C367 C C 367 C367
C393 C39 C39 93 93 9 9 GN GN N N N D D
LP LP P O O O O
GN GN N G ND D D
E E RP RP P PO O O
C360 0 0
GN N GN G ND D D
C395 C395 C395 C395
RSP R RSP P P O O R104 R 1 04 04
GN N GN G ND ND D
C104 C104 04 04
LS LS LSPO L LS LSPO L LS LSPO L LS LS SP P O SP P O SP P O O O O
Q307 Q307 07 07
GN N D GND G D
R371 R371
Q Q 308 Q3 Q3 Q308 Q Q 308 30 0 8 8 8
C C P CPO CPO PO
R330 R330 R330
G G GND GND D
Q3 Q31 Q31 31 1 1 31 311 3 3 11 1 1
SBP P O S S S BPO
R377 R377 R377 R377 R377
Q 309 Q309 Q Q3 Q Q 3 Q Q Q 309
R372 R372 R372
Q310 Q310 Q310 Q31
R331 R331 R331 R331
R378 R378 R378 R378
R R R103 R103 3
R37 R375 R375 5
R397 R397
R38 R3 R38 R3 R38 38 3 81 81
R109 R109 R109
R37 R373 R37 373 373 73 73 3 3
P261A P261A P261A P261A P261A P261A
R3 R R3 R3 R344 R344 R3 R3 344 4 4
Q3 Q314 Q3 Q3 Q Q Q3 Q 314 Q3 Q 314
R379 R379 R37 79 79 79 79 79 9
R 3 R374 R
R39 396 96
R38 8 0
R38 8 9
R36 6 3
R39 9 0
D
R7 7 R751 751
C721 C721 21
R7 7 750
R749 R 49 749
R748 R 4 7 48 8 8
C781 C781 81
C719 C 1 7 9 9
R R R 7 7 747 4 47
1 1 1
R R R 746 7 6 4 46
R R R 7 5 745 45 4
C C C 718 7 8 8 1
R R R 744 7 4 4 44
R R R 743 7 3 4 43
C C 71 C 7 7 7
C705 5 5
X781 X781
R700 00
R781 R781 81
R R R7 R7 70 7 70 7 7 701 70 0
C70 C C C C C70 70 70 7 06 06 6 6 6
R R7 R R 7 R R R 742 7 7 4 42 2
R833 833 33 R830 R R83 R8 8 30
R7 R 7 R R7 R R R R R R R R 741 7 74 741 41
C820 0 C81 C819 819 9 9
R R R R R 7 R R R R7 R 74 7 0 740 4
R R R 7 R R R 7 7 9 739 73 3
C829 C828 C82 C8 28
R R R R R 7 7 8 738 7 73 38
R880 R879 8 9 7 9
R R R 7 R R 7 7 3 737 7
IN IN
C1 C101 C C101
R R R 7 7040 0 7040 7
R R 7839 7839 7 7 839
Q 3 Q 3 22 22 2 2
R R 7039 7 7 9
R R 7 7138 7 7 13 7
R R 7 7 70 0 38 7038 38
R7036 7036 7 036
R7 R 703 70 037 037 37
R703 R R7 035 03 35 35 5 5
R 7 R R713 R R7 R 7 713 13 134 34 34 34 34 34
R7 R7 R703 R R703 R70 R R R 03 0 0 3 3 034 0 4 3 3 4 4 4
R70 R7 7 0 R 0 7 7 703 032 2 03 032 032 0 2 2 2 2
R70 R70 R R 7 031 0 1 0 1 31 3 31 1
R70 0 R70 R7 03 0 30 0 0 0 030 0
R70 R7 R70 029 02 2 9
R R 7 7 0 R70 0 02 2 8 0 28
R7 R R 70 R70 70 0 0 0 0 27 02 2 7 027 7
PLLSTB PL PLLSTB PLLSTB P P PLLSTB P L L L LS LS LS LS ST ST ST ST T T T T B B B B B B B
PLLDA L L LDA L LD LDA LD D D D D A A A A A A
R7026 R 026 2 6
P P LLCL P P L LC C L L
R R7025 025 2 5 5 5
PLLD PLLDI PLLD DI DI DI DI
R R702 024 024 2 2 4 4 2 24 2 2 4 4
GND GND GND D D D
R R7 R70 7023 023 3 0 23
FMSIG G FMSIG FMSIG S SIG SIG G I G G
+12VA +12VA +12VA R R 7022 R 022 2 2 2
RDSDE RDSDE RDSDET RDSDET RDSDET RDSDET ET
R702 R70 021 02 21 2 1 1 1
TUL TUL TUL
GND
TUR TUR
TUMUT
SD
STEREO STEREO