Onkyo TX-SA705 Service Manual page 18

A
SCHEMATIC DIAGRAMS-6 (SD-6)
DSP SECTION-1
NAHDM-9265(1/4)
TO NAHDM-9265(3/4)
1
SD-8:H5
AUDIO DATA
POWER_SUPLY
2
SPFOUT
1
2 DSP_RMCK
3 DIR_DOUT
4 OMCK
5 DIR_LRCK
6 DIR_BCK
7 SDIN_CRSWR
8 SDIN_SLSR
9 SDIN_CLSWL
10 SDIN_FLFR
3
11 DAC_BCK
12 DAC_LRCK
13 DIGCLK
14 DIGSDI
15 DIGSDO
16 GND_DG1
17 GND_DG1
18
19
20 HDMI_SPF5V
1 ~DSP1CS
2 ~DSP2CS
3 ~DSP3CS
4 MEQMUT
5 ~DSP1INT
6 NIC
7 ~DSP1RST
8 DEC
9 ~DSP2INT
10 ~DSP2RST
11 ~DIRSW
12 ~DSP3INT
4
13 ~DSP3RST
14 PCMSW
15 +5VDSP
16 +3.3VDSP1
17 +3.3VDSP
18
19 GND_DG
20 SDIN_SBLSBR
1 COAX1
2 GND_DG
3 COAX2
4 +5V_DSP1
5 COAX3
LBC2518T2R2M
L3933
IN 3
R3933
LBC2518T2R2M
L3932
IN 2
COAXIAL
R3932
5
LBC2518T2R2M
L3931
IN 1
R3931
C3946
103Z
C3947
103Z
B
U24
DSP AND HDMI PC BOARD
PCMLRCK (/DSDFR)
PCMLR (/DSDFL)
PCMSLR (/DSDC)
(/DSDSW)
PCMCSW
(/DSDSR)
PCMSBLR
MCK_HDMI
PCMBCK (/DSDCLK)
HDMISPF (/DSDSL)
223Z
GND_HD C3325
R3394
100
+3.3V
+3.3V
+3.3VDSP1
+3.3VDSP
+3.3V
GNDDSP
+12V
+12VDSP
GND_DSP (DCDC)
10
R3936 C3936
C3933 104Z
75 101J
10
R3935 C3935
104Z
C3932
75 101J
10
R3934
C3934
L3934
C3931 104Z
LBC2518T470M
+5.0V
75 101J
C
PCMLR
OMCK1
DIR_DOUT
+3.3V
PCMLRCK LRCK1
BCK1
~DIRSW
TC7WU04FU +3.3V
C1021 104Z
GND_DG1 +VD_OSC
L1021
Q1021
+5.0V
+5VDSP
LBC2518T4R7M
1 8
VD
R1022
C3392 47/6.3 2 7
3 6
L1022
C3391
4 5 BK1608LM182-T
104Z GND
1 14
R1021 1M
VCC
2 13
3 12
X1021
4 11
5 10
24.576MHz
6 9
8
7
GND
R3004
3.9K
SI8008TM
Q3391
R3005
2.2K
Q3001
TC74VHCT08AFT
L3001
1 2
VIN SW
L3004
470K
5 4
BLM21PG221SN1 SS
VADJ
GND
R3014
3.9K
SI8008TM
R3015
2.2K
Q3011
L3011
L3014
1 2
VIN SW
BLM21PG221SN1
470K
5 4
SS VADJ
GND
R3024
3.9K
SI8008TM
R3025
2.2K
Q3021
L3024 L3021
1 2
VIN SW
BLM21PG221SN1 470K
5 4
SS VADJ
GND
POWER SUPPLY FOR DSP SECTION
SDIN_CLSWL
SDIN_SLSR
DAC_LRCK
SDIN_SBLSBR
SDIN_FLFR
SDIN_CRSWR
DAC_BCK
TX-SR705/SA705
PCMLRCK/DSDFR
PCMF1/DSDFL
DSDSL
LBC2518T470M
L3301
+3.3V
+2.2VDSP3
+2.2VDSP2
D3205
1SS352
47
104Z
104Z
+2.2V
L3003
104Z
104Z
BLM21PG221SN1
104Z
104Z
104Z
104Z
104Z
104Z
104Z
+2.2V
L3013
BLM21PG221SN1
+2.2V
L3023
BLM21PG221SN1
R3334
330
R3351
330
R3382
330
R3355
330
R3331 330
R3371 330
R3374 330
D
+3.3V
Q3202
BD7820
L3402
BLM21PG221SN1
+3.3V
C3405
L3403
220/4 LBC2518T4R7M
+1.2V
C3425 A2
DVDD
C3426 A15
DVDD
C3427 B1
DVDD
C3428
B16
DVDD
C3429
D4
DVDD
C3430
D5
DVDD
C3431 D12
DVDD
C3432 D13
DVDD
C3433 E4
DVDD
C3434 E13
DVDD
C3435
J14
DVDD
M4
DVDD
M13
DVDD
N5
DVDD
N12
DVDD
P8
DVDD
R1
DVDD
R16
DVDD
T2
DVDD
T15
DVDD
+1.2V
C3411 104Z E6
CVDD
C3412 104Z E7
CVDD
C3413 104Z E8
CVDD
C3414 104Z E9
CVDD
C3415 104Z
E10
CVDD
C3416 104Z E11
CVDD
C3417 104Z G5
CVDD
C3418 104Z G12
CVDD
C3419 104Z H5
CVDD
C3420 104Z H12
CVDD
C3421 104Z J5
CVDD
J12
CVDD
K5
CVDD
K12
CVDD
M6
CVDD
M7
CVDD
M8
CVDD
M9
CVDD
M10
CVDD
M11
CVDD
Q3401:A
TMS320D790E
001BZDH275
or
TMS320D710E
001BZDH275
DSP