Onkyo HT-R540 Service Manual page 20

A
SCHEMATIC DIAGRAMS-3
DSP & MICROPROCESSOR SECTION
P701A
1
2
3
1
2
3
14 SYSIN
13 TU_L
12 GNDTU
11 TU_R
10 V4_L
9 GNDV4
8 V4_R
7 MIC
6 RTAD
5 LTAD
4 DAC_SR
3 DAC_SL
2 DAC_SBR
4
1 DAC_SBL
14 DAC_FR
13 DAC_FL
12 DAC_SW
11 DAC_CT
10 GND+12V
9 -12VA
8 +12VA
7 GNDDG
6 VOLDAT
5 VOLCLK
4 PROTECT
3 SEC1H
2 VOLH
1 AMUT
5
B
To NADIS-8785
(SD-7 : H1)
<Note>
NC = No mount of parts.
SD-Z : XY
Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.
R592 0
R591 0
R562
NJM4580M-D
22K
R532 R522
6 6
7 7
22K 1.5K
Q502:A
5 5
Q503:A NJM4580M-D
NJM4580M-D
NJM4580M-D
NJM4580M-D
NJM4580M-D
Q503:B
3 3
1 1
Q502:B
2 2
R531 R521
22K
22K 1.5K
R561
C
To TUNER UNIT
P101A
+
C103
100/16
R108
NC
R109 NC
(1/2W)
R702 2.2
+10.6V
SI8008TM
1
VIN
5
SS
+12V
-12V
R503 (1/2W)
22
(1/2W)
R504 22
C532 220/25
+
C531 220/25
Q401 - Q404 : NJM4580M-D
+
6
SBR 7
5
Q404:A
3
FIL_FR SBL 1
FIL_FL
2
Q404:B
6
SR
7
5
Q403:A
3
SL 1
2
Q403:B
6
SW 7
NC
5
Q402:A
R512
+12V
Q402:B 3
10K
R502
C
6 1
7 2
10K
5
Q501:A
-12V
6
FR 7
5
Q401:A
Q501:B
3
1 Q401:B 3
10K
2 FL 1
R501 2
10K
R511
HT-R540
To NAVD-8804 To NAVD-8804
(SD-4 : E2) (SD-5 : E3)
P2005A
P2004A
56K
R110
D742 1SS355
R742 1.8K
R743 18K
Q741
+2.2V
L741
2
SW
470K
4
VADJ
GND
Q762
TA48033AF
+5V
1
I O
MDD, MDC Type only
9 +5VXM
8
7 XMRST
To NADG-8799
6 XMSRRXD
5 XMSRTXD
(SD-6 : E-3)
4 XMSRSEL
3 R101 0 XMREQERR
2 XMCOMSEL
1 XMDACRST
C341 101J
R351 10k
R341
2 C324 R324
10/50 56
1
10k
+
3
Q341:B
C323 R323
NJM4580M-D 10/50 56
+
+
C322 R322
NJM4580M-D
56
10/50
5
Q341:A
R342 7
+
10k
6
C321 R321
10/50 56
R352 10k
C342 101J
R478 R458 R438 R418
180 4.7K 470 3.3K
R468
180
R448
R428 R408
4.7K 470 3.3K
R427 R407
R467 R447
180 470 3.3K
4.7K
R477
180
C315 102K
C306 47/50
R457
R437 R417
C307 104Z
4.7K
470 3.3K
+
R476 R456 R436 R416 17
VQ
180 4.7K 470 3.3K
18
FLT+
+
19
R466
REFGND
180
C308
20
AOUTB4-
100/16
R446 21
R426 R406
AOUTB4+
4.7K
470 3.3K
22
AOUTA4+
R445 R425 R405 23
R465
AOUTA4-
180 4.7K 470 3.3K
C309
24
VA
104Z 25
R475
AGND1
180
26
AOUTB3-
27
R455 R435 R415
AOUTB3+
4.7K 470 3.3K
28
AOUTA3+
29
AOUTA3-
R434 R414 30
R474 R454
AOUTB2-
180 470 3.3K
4.7K
31
32
R464 C316
180 102K
R444 C302
R424 R404 +
4.7K 470/6.3
470 3.3K
R463 R443 R423 R403
180 4.7K
470 3.3K
R473
180
R453 R433 R413
4.7K 470 3.3K
R452 R432 R412
R472
4.7K 470 3.3K
180
R462
180
R442
R422 R402
4.7K
470 3.3K
R461 R441 R421 R401
180 470 3.3K
4.7K
R471
180
R451
R431 R411
4.7K
470 3.3K
D
To NAETC-878
(SD-2 : A4)
P2006A
JL703B
Q710
S812C5
-C3G-T2
+10.1V
2
I
Q742
BD7820
1SS355
LEDS
D743
FLDS
FLDC
+1.2V
FLDC
FLDR
KEY
KEY
KEY
KEY
+3.3V
KEY
3
KEY
VSW
+
+5
R302
47
+3.3
6
6
6
6
SAI_SLCK
CX_SDIN2 : 64
6
SAI_LRCK
CX_SDIN3 : 63
5
OMCK
CX_SDIN4 : 62
5
ADCIN1
Q301
5
ADCIN2
CS42518-CQZR 5
CX_SDOUT
5
DIR/DAC/ADC
RMCK
5
SAI_SDOUT
5
31 : AOUTB2+
TXP : 50
VLS
5
32 : AOUTA2+ XP0 : 49
DGND2
5
VD2
5
4
+5V
C331 330J R331
C332 330J R332
C333 330J
R333
C334 330J R334