Gnddg - Onkyo TX-SR876 Service Manual

A
SCHEMATIC DIAGRAMS-10 (SD-10)
DSP SECTION-1
NADSP-9072(1/2)
U25
1
DSP PC BOARD
2
1 +2.4VDSP23
2 LRCK4/GND2
3 +2.4VDSP23
4 PCMCR4/GND
5 +3.3VDSP
6 LRCK4/DSDFR2
7 +3.3VDSP
8 PCMSB4/DSDFL
9 +2.4VDSP1
10 LRCK4/DSDFR
11 +2.4VDSP1
12 PCMF4/DSDFL
13

GNDDG

14 BCK4/GND
15 GNDDG
16 BCK4/DSDCLK
17 +3.3VDG
18 LRCK4/DSDSW
19 DIGSDI
3
20 PCMCSW4/DSDC
21 GNDDG
22 LRCK4/DSDSR/RC
23 DIGSDO
24 PCMSUR4/DSDSL
25 DIGCLK
26 GNDDG
27 LRCK_DIR
28 SDOUT_DIR
29 BCK_DIR
30 MCK_DIR
4
5
B
TO NAHDM-9114(5/5)
SD-19:H4
P3805A
+2.4V
+3.3V
+2.4V
DSDSL
DSDC
TC74VHC157FT
1
SELECT
PCMF4 R3331 330 2
1A
DSDFL R3332 330 3
1B
PCMF4/DSDFL R3333 47 4
1Y
PCMCSW4 R3334 330 5
2A
R3335 330
DSDC 6
2B
47
PCMCSW4/DSDC R3336 7
2Y
8
GND
LRCK4/DSDSW
LRCK4/DSDFR TC74VHC157FT
C3351 104Z
1
SELECT
R3351 330
PCMSUR4 2
1A
DSDSL R3352 330 3
1B
PCMSUR4/DSDSL R3353 47 4
1Y
PCMSB4 R3354 330 5
2A
R3355 330 6
DSDFL
2B
R3356 47
PCMSB4/DSDFL 7
2Y
8
GND
LRCK4/DSDFR2
LRCK4/DSDSR/RC
1
SELECT
PCMCR4 R3371 330 2
1A
3
1B
PCMCR4/GND R3373 47 4
1Y
BCK4 R3374 330 5
2A
6
2B
R3376 L3372
BCK4/GND 7
2Y
HS102 8
47
GND
TC74VHC157FT
LRCK4/GND2
BCK4/DSDCLK
MCK_DIR
MCK
SDOUT_DIR
+3.3V
PCMLRCK LRCK1
BCK1
DIRSW
+3.3V
C3331 104Z
Q3331
16
VCC
15
ST
R3342
14 330 LRCK4
4A
13 330 R3341 DSDFR
4B
12 47 R3340
4Y
330 R3339 LRCK4
11
3A
330 R3338
10 DSDSW
3B
R3337
9 47
3Y
Q3351
16
VCC
15
ST
330 R3362
14 LRCK4
4A
13 330 R3361 DSDSR/RC
4B
12 47 R3360
4Y
11 330 R3359 LRCK4
3A
330 R3358 DSDFR
10
3B
47 R3357
9
3Y
C3371 104Z
Q3371
+3.3V
16
VCC
15
ST
R3382 330
14 MCK
4A
R3381 330
13 DSDCLK
4B
LM182
12 L3371
4Y
11 R3379 330 LRCK4
3A
10
3B
R3380
R3377 47
9
3Y 47
TX-SR876/SA876
C
HDMISPF_3.3V
DSDFR
PCMF1/DSDFL
PCMSUR1/DSDC
PCMCSW1/DSDSW
PCMSB1/DSDSR
DSDSL 1
2
3
4
5
6
DSDSR/RC 7
TC74VHCT08AFT
LBC2518T470M
L3301
D
TO N
S
C3391 104Z
+5.0V
14
VCC
13
12
11
10
9
8
GND
Q3391
+3.3V
+3.3V
Q7202
BD7820
Q34
D7205
1SS352
L3402
BLM21PG221SN1
C3405 L3403
LBC2518T4R7M
220/4
+3.3V +1.2V
104Z C3425 A2
DVDD
104Z C3426 A15
DVDD
104Z C3427
B1
DVDD
C3428
104Z B16
DVDD
104Z C3429 D4
DVDD
104Z C3430 D5
DVDD
104Z C3431 D12
DVDD
104Z C3432
D13
DVDD
C3433
104Z E4
DVDD
104Z C3434 E13
DVDD
104Z C3435 J14
DVDD
M4
DVDD
M13
DVDD
N5
DVDD
N12
DVDD
P8
DVDD
R1
DVDD
R16
DVDD
T2
DVDD
T15
DVDD
104Z C3411 E6
CVDD
C3412
104Z E7
CVDD
104Z C3413 E8
CVDD
104Z C3414 E9
CVDD
104Z C3415 E10
CVDD
104Z C3416 E11
CVDD
104Z C3417
G5
CVDD
104Z C3418 G12
CVDD
104Z C3419 H5
CVDD
104Z C3420 H12
CVDD
104Z C3421 J5
CVDD
J12
CVDD
K5
CVDD
K12
CVDD
M6
CVDD
M7
CVDD
M8
CVDD
M9
CVDD
M10
CVDD
M11
CVDD