Onkyo TX-SR603 Service Manual page 11

A
SCHEMATIC DIAGRAMS-2
DSP SECTION
1
2
10 PROTECT
9 THERMAL
8 VOLH
7 SEC1H
6 APOWER
5 HPDET
4 VPOWER
3 FAC1
2 FAC2
1 -VP
P311A
20 +5VDIS
19
18 POFFV
17 +10S
16
VIDEO+5V/
15
SW+12V
14 VIDEO-5V
13 GNDV
12 +12VTRG
11 +5VDSP
10 +3.3V
3
9 +2.5V
8 GNDDG
7
6 ADLT+
5 ADLT-
4
3
2
1 ADRT+
ADRT-
P302A Z2MUT
AMUT
10 SBZ2MUT
9 GND+12V
8 -12VA
7 +12VA
6 GND+7
5 +7V
4 -7V
3 DAC_SR
2 DAC_SL
1 DAC_CT
P301A
20 DAC_SW
19 DAC_SBL
18 DAC_FL
17 DAC_FR
16 DAC_SBR
15 FSWSDO
14 FSWCLK
13 GNDDG
4
12 FSWSTB
11 VOLSTB
10 VOLCLK
9 VOLDAT
8 MICOUT
7 GNDMIC
6 V4_R
5 V4_L
4 GNDV4A
3 TU_R
2 TU_L
1 GNDTU
P303A
4
3
2
1
E301
5
B
TO NADIS-8513
40P
C526 10/50
R596
+
C525 10/50
R595
+
C523 10/50 R593
+
C524 10/50
R594
+
R597
R591
R592
R598
JL402B
NC
1
2
3
4
5
6
7
Q502:A
R562
NJM4580M-D
22K
R532
6 6
7 7
22K
5 5
Q503:A
NJM4580M-D
NJM4580M-D
Q503:B
Q502:B
NJM4580M-D
3 3
1 1
2 2
R531
22K
R561 22K
P101A
NC
+12VA
-12VA
+
C531 220/16
+
C532 220/16
0
0
0
0 6
0 7
NC 5
NC
0
Q404:A
NJM4580M-D
3
1
2
Q404:B
NJM4580M-D
6
7
5
Q403:A
NJM4580M-D
P401A
3
NC
1
1 2
2
3 Q403:B
4 NJM4580M-D
5
6
6
7 7
5
8
9
Q402:A
NJM4580M-D
3
1
2
R512
Q402:B
10K
R522 R502 NJM4580M-D
6
7
10K
1.5K
5
Q401:A
Q501:A
NJM4580M-D
NJM4580M-D
6
7
5
Q501:B
NJM4580M-D
3
Q401:B
1 NJM4580M-D 3
10K
2 1
R521 R501 2
1.5K 10K
R511
TX-SR603/603E/8360
C
TO NAVD-8476 TO NAVD-8476
R691
NC
Refer to following table about the parts displayed by mark "
CIRCUIT NO.
R687 R787 R686 R786 R685
DESTINATION
DD 56K 33K 33K 10K 10K
PA, WT, GR 10K 10K 10K 33K 10K
PP 10K 10K 10K 33K 10K
POFFV
+12VTRG
PP Only
Q111 BU1924FS
C111 L111
+
022M
100/16
9
8 C115
T2 CMP
561J
10
7
T1 VSS3
11
6
VSS2 VSS1
C116 C113 104Z
12 5
VDD2 VDD1
R114 1K
13
330J 4
XI MUX
C114
+
14
C117 3
2.2/100
XO Vref
330J
15
2
NC RDATA R112
16 1
RCLK QUAL
R113
R111
R478
180 R438 R418
180 470 3.3K
R468
R428 R408
470 3.3K
180
R427 R407
R467
3.3K
470
R477
180 R417
R437
470 3.3K
R436 R416
R476
C303
180 470
3.3K
104Z
R466
C304 47/25
180 R426 R406 +
470 3.3K C305 NC
17
VQ
18
FLT+
R465 R425 R405 +
19
REFGND
C306
180 470 3.3K 20
AOUTB4-
R475
100/16
21
AOUTB4+
22
180 R435
R415
AOUTA4+
470 3.3K
23
AOUTA4-
C307
24
VA
R434 R414 NC 25
AGND1
3.3K
R474 470
26
AOUTB3-
27
180
AOUTB3+
R464
28
AOUTA3+
29
180 R424 R404
AOUTA3-
3.3K
470
30
AOUTB2-
R423 31
R403
470
3.3K
32
R463
180 C308
+
R473
R433 R413 220/6.3
180 470
3.3K
R432 R412
R472
180 680 3.3K
R422 R402
R462 680
3.3K
180
R421 R401
R461 680 3.3K
180
R471 R431 R411
180 680 3.3K
D
NADG-851
R653 NC
R652 NC
R651 NC
R650 NC
0
R603
Q721
S812C56AUA-C3G
I O
C724
124J
H
M
V
V
".
KE
R785 R688 R788
KE
KE
NO NO 000J
KE
NO 10K 10K
NO 56K 33K
CIRCUIT NO.
R111,112,1
DESTINATION
PP 220K
Other 000J
C325 C326
222J 222J
R325 R326
3.9K 3.9K
R302
47
C3
220/
+
R31
64
63 R31
R31
62
L313
61
SAI_SLCK
R31
60
64:CX_SDIN2
SAI_LRCK
59 R31
63:CX_SDIN3
OMCK
58
62:CX_SDIN4
ADCIN1
57
Q421 ADCIN2
R3
56
CX_SDOUT
CS42518/28-CQ
55 L3
RMCK
54 R3
SAI_SDOUT
C3
53
AOUTB2+:31 50:TXP
VLS
49:RXP0 52 NC
AOUTA2+:32
DGND2
51
VD2
R3
50 330
R3
49 330
C3
330
022M
L303
C332 330J R333 330
C333 330J R334 330
C334 R335 330
330J
C335 R336 330
330J
C336 330J R337 330