Onkyo HTR940 Service Manual page 22

A B
SCHEMATIC DIAGRAMS-3
DSP & MICROPROCESSOR SECTION
To NADIS-8785
(SD-7 : H1)
P701A
1
Refer to following table about the parts displayed by mark "
TYPE R104 R106 R107
None 0
MDC
2
MPP 0 None None
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 R592 0
13 DAC_FL R591 0
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
R562
NJM4580M-D
22K
R532
6 6
7 7
22K
Q502:A
5 5
5
Q503:A
NJM4580M-D
NJM4580M-D
NJM4580M-D
Q503:B
3 3
1 1
Q502:B
2 2
R531
22K
22K
R561
C
To NAVD-8811 To NAVD-8811
To TUNER UNIT
(SD-4 : E1) (SD-5 : G1)
P101A P2004A P2005A
+
C103
100/16
R108
0
R109 0
R702 2.2 (1/2W)
D742 1SS355
R742 1.8K
+10.6V
Q741
R743 18K
SI8008TM
". +2.2V
L741
1 2
VIN SW
470K
5 4
SS VADJ
GND
0
+5V
MDC Type only
9 +5VXM
8
7
To NADG-8809
6
5
(SD-6 : E4)
4
R101 0
3
2
1
C341 101J
R351 10k
R341
2 C324 R324
56
10/50
10k 1
+
3
Q341:B C323 R323
NJM4580M-D 10/50 56
+
+
C322 R322
NJM4580M-D
10/50 56
+12V 5 Q341:A
R342 7
+
10k
6
C321 R321
-12V 10/50 56
R352 10k
C342 101J
R503 22 (1/2W)
R504 22 (1/2W)
C532
220/25
+
C531 220/25
+ Q401 - Q404 : NJM4580M-D
R478 R458 R438 R418
4.7K
180 470 3.3K
6
SBR 7
R468
180
5
Q404:A
R448
R428 R408
4.7K 470 3.3K
R447 R427 R407
R467
180 4.7K 470 3.3K
3
FIL_FR SBL 1
R477
180
FIL_FL 2 C315 102K
C306 47/50
R457 R437 R417
Q404:B C307 104Z
4.7K 470 3.3K
+
R456 R436 R416
R476
180 4.7K 470 3.3K
6
+
SR 7
R466
180
5 C308
Q403:A 100/16
R446 R426 R406
4.7K
470 3.3K
R465 R445 R425 R405
180 4.7K 470 3.3K
3 C309
SL 1 R475 104Z
180
2
R455
Q403:B R435 R415
4.7K
470 3.3K
R454 R434 R414
R474
180 4.7K 470 3.3K
6
SW 7 R464 C316
180 102K
NC 5
Q402:A
R444 R424 R404 C302
+
4.7K 470 3.3K 470/6.3
R512
R463 R443 R423 R403
+12V
180 4.7K 470 3.3K
10K Q402:B 3
R522 R502
6 C 1
R473
7 180
1.5K 10K 2
5
R453 R433 R413
4.7K 470 3.3K
Q501:A
NJM4580M-D
R452 R432 R412
R472
-12V
180 4.7K 470 3.3K
6
FR 7 R462
5 180
Q401:A
R442
R422 R402
NJM4580M-D 4.7K 470 3.3K
Q501:B
3 R461 R441 R421 R401
Q401:B 180 4.7K 470 3.3K
1 3
10K
2 FL 1
R471
180
R521 R501 2
10K
1.5K
R451 R431 R411
4.7K 470 3.3K
R511
HT-R940
D E
To NAETC-8781
(SD-2 : A4)
Refer to following table about the parts displayed by mark "
P2006A
JL703B
MDC
MPP
56K
R110
D711
+5VCPU
D702
1SS355
Q710
S812C56AUA
D701
-C3G-T2
+10.1V +5.6V 1SS355
2 3 +5VMPU
I O
DX-5R5L224
Q742
R671 NC
BD7820
R672 NC
+5V 81
82
1SS355
83
R676 47
D743 LEDSTBY 84
LEDSTBY
FLDSDO R677 47 85
FLDSDO
R678 47
FLDCLK 86
FLDCLK
+1.2V
FLDCS R679 47 87
FLDCS
R680 47
FLDRST 88
FLDRST
R681 10K 89
R682 10K 90
KEYINT1 R683 4.7K 91
KEYINT1
KEYINT0 R684 4.7K 92
KEYINT0
R685 4.7K
KEY3 93
KEY3
Q762
KEY2 R686 4.7K 94
KEY2
TA48033AF
+3.3V R687 4.7K
KEY1 95
1 3 KEY1
I O 96
AVSS
R688 4.7K
KEY0 97
KEY0
98
C716 104Z
99
VSWS8 100
R689 4.7K
R609
10K
R610
+5V
+5.6V + 1
XMRST
C706
XMSRRXD
4.7/50 Q702
XMSRTXD
R613
RN1404
XMSRSEL
1M
XMREQERR
XMCOMSEL
XMDACRST
+5VDSP
Refer to following table about the parts displayed by mark "
TYPE
MDC
MPP
DIGSDO_3.3V
DIGSDI_3.3V
CX_SDIN1
R302
47
CX_SCLK
CX_LRCK
SAI_SDOUT
+3.3V
C301
470/6.3
+
17 64 R319 47 CX_SDIN2
VQ
18 63 R318 47 CX_SDIN3
FLT+
19 62 R317 47 CX_SDIN4
REFGND
R320
20 61 L313 SAI_SLCK
AOUTB4-
SAI_SLCK
21 CX_SDIN2 64 60 R315 47 47
SAI_LRCK
AOUTB4+ SAI_LRCK
CX_SDIN3 63
22 59 R314 330
AOUTA4+ OMCK
CX_SDIN4 62
23 58 DEC_DSP_3.3V
AOUTA4- ADCIN1
Q301 C318
24 57
VA ADCIN2 102K
25 CS42528-CQZR 56
AGND1
CX_SDOUT L311 NC
26 55
DIR/DAC/ADC NIC_DSP_3.3V
AOUTB3- RMCK
27 54 R312
AOUTB3+
SAI_SDOUT
28 53 47
31 AOUTB2 TXP 50
AOUTA3+ VLS
29 RXP0 49 52 C313
AOUTA3- 32 AOUTA2
DGND2
30 51 104Z
AOUTB2- VD2
R335
31 50 TX
SAI_SLCK
32 49 NC
L171
221M +3.3V
SAI_LRCK
CX_SCLK
RMCK
C171 104Z
+5V L303 CX_LRCK
Q171
TC7WU04FU
1 8
VD
2 7 L172
3 6
LM182
4 5 L173
C331 330J R331 330 GND
COAX1
LM182
C332 330J R332 330 OPT1
R171 1M
C333 330J R333 330 OPT2
C334 330J R334 330 OPT3
24.576MHz
EMU0
X171
TRST
JTAG
F G
".
R770 R771 R772 R773 R780 R781 R782 R783
33k None 10k 33k 4.7k 0 None 10k
56k None 10k 10k 33k 0 None 10k
+5V
U18
Q752
RN2402
1 RN2402
Q703 DSP & MICROPROCESSOR
R752
1
2.2K
1
R780
PC BOARD
R781 AMUT
R782
Q751
R783
RN1404
SYSIN
OPT1
OPT2
OPT3
50 SPRLCS COAX1
49 SPRLSB
48 SPRLB
47 AMUTB
AMUT
46 FCE
FCE
81 : NU SPRLCS : 50
R645 47
45 DIGSDO
82 : NU SPRLSB : 49 DIGSDO
44 R644 220 DIGSDI
83 : NU SPRLSB : 49 DIGSDI
R643 47
43 DIGCLK
DIGCLK
42 R642 47 DSPRST
Q701 DSPRST
41
M30622MWP FEPM
40 R640 47 DSPCS
DSPCS
MICROPROCESSOR 39 R639 47 DIRRST
DIRRST
R638 47
FCLK : 33 38 DIRCS
DIRCS
37 R637 47 XMRST
FRXD : 32
XMRST
R636 220
FTXD : 31 36 XMSRRXD
100 : VSWS8 XMSRRXD
35 R635 47 XMSRTXD
XMSRTXD
R634 47
34 FBUSY
TX
FBUSY
33 R633 47 FCLK
32 R632 47 FRXD
31 R631 47 FTXD
DSPCLK_3.3V
DIRCS_3.3V
DIRRST_3.3V
DSPCS_3.3V
DIGSDO_3.3V
1 RESET DIGCLK_3.3V
2 CNVSS RESET_3.3V
R629
3 FRXD
+3.3V
4 FCLK
5 +5VMPU
C151
6 FBUSY
C712 101J
7 FTXD
104Z
C711 101J
8 GNDDG
R617 10K R182
9 APOWER
10K
R628 2.2K
R627 2.2K DIRINT_3.3V
R694 27K SD
R695 27K STEREO NIC_DSP_3.3V
X701
6.000MHz R696 10K HPDET
+6.1V
DIGSDI_3.3V
+5V
".
DEC_DSP_3.3V
R607 R610 R616 R629
None 10k 220 None
1k None 1k None
R277 NC
R276 NC
R275 NC
R274 NC
+1.2V
R273 NC
R272 NC
R271
NC
C271
470/6.3
+
+3.3V
+
C272
470/6.3
109 72
R252 330 110 71
R253 47 111 70 R221
C261104Z 112 69 47
VSS
R254 47 113 68
109 VSS VSS 72
DVDD
114 110 SPIO_SIMO EM_CKE 71 67
EM_WE_DQM[1]
R255 47
115 111 SPIO_SOMI/I2C0_SDA EM_CLK 69 66
EM_D[8]
R256 47 116 112 DVDD 65
AXR0[2] CVDD
R257 47
117 113 AXR0[0] 64
AXR0[3] EM_D[9]
118 63
114 VSS
VSS EM_D[10]
R258 10K 119 115 AXR0[1] 62
AXR0[4] VSS
R259 330 120 61
AXR0[5]/SPI1_SCS EM_D[11]
GPIO1 121 60
AXR0[6]/SPI1_ENA] DVDD
GPIO2 122 59
AXR0[7]/SPI1_CLK EM_D[12]
C275 123 58
CVDD EM_D[13]
102K
124 Q201 57
VSS CVDD
C262104Z 125 56
DVDD D707E001RFP250 EM_D[14]
GPIO3 126 55
AXR0[8]/AXR1[5]/SPI1_SOMI EM_D[15]
GPIO4 127 DSP 54
AXR0[9]/AXR1[4]/SPI1_SIMO VSS
C263 128 53
CVDD CVDD
104Z 129 52
VSS EM_D[0]
GPIO5 130 51
AXR0[10]/AXR1[3] EM_D[1]
131 50
AXR0[11]/AXR1[2] DVDD
132 49
R260 47
CVDD EM_D[2]
133 48
VSS EM_D[3]
R261 47 134 47
AXR0[12]/AXR1[1] VSS
R262 10K
135 46
AXR0[13]/AXR1[0] EM_D[4]
C276102K 136 45
139ACLKR0
DVDD EM_D[5]
R263 10K C266
137 44
AXR0[14]/AXR2[1] 140 VSS CVDD
R264 10K 138 43 102K
AXR0[15]/AXR2[0] 141 AFSR0 EM_D[6]
R265 330 139 42
142 ACLKX0 EM_WE_DQM[0] 39 DVDD
140 41
143 AHCLKR0/AHCLKR1 EM_WE 38 EM_D[7]
R266 330 141 40
144 AFSX0 EM_CAS 37
VSS
R267 330
142 39
R268 NC 143 38
R269 330
144 37
R27810K
+3.3V
R270
330 +1.2V
RMCK
14 13 EMU1
12 11 TCK
10 9
8 7 TDO
ACF451832-333
6 5
L204
4 3 TDI
2 1 TMS
P711
HT-R940
H
<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.
NADG-8808
P131
LBC2518
C132 R132 L131
COAXIAL
104K 10 022M
C146 3
102J
R141 1 U131
IN
47
3 1 DIGITAL IN
VCC
+5V L133
LBC2518 2
GND
470M
R145
NC
1 U132
IN
R142
47 3
2 OPTICAL
VCC
2
GND
R146
NC
1 U133
IN
R143
47 3 3
VCC
2
GND
U134
R144
3
NC
IN
NC
2
VCC
1
GND
11 10
Y8 GND
12 9
Y7 A8
13 8 DSPCLK
Y6 A7
14 7 DIRCS
Y5 A6
15 6 DIRRST
Y4 A5
16 5 DSPCS
Y3 A4
17 4 DIGSDO
Y2 A3
18 3 DIGCLK
Y1 A2
19 2 DSPRST
_G2 A1
20 1
VCC _G1
DIGSDI
NIC
DIRINT0
Q152
8 7 TC74HCT7007AF
OUT4 GND
R163 9 6 DEC
IN4
220 10 5 R162
OUT5
R164 11 4 DSPINT
220
IN5
220 12 3 R166 DSPINT_3.3V
OUT6
R165
13 2 220
IN6
220 14 1 R167
VCC
220
C152 104Z
C281 220/6.3
+
C282 104Z L281
CAS
+3.3V
BLM21PG221SN1
RAS
SD_CS BA1 25 24 A0
A0 A1
CKE
CS2 26 23 A1
CE# A2
DQM1
27 22 A2
GND A3
DQM0
OE 28 21 A3
OE# A4
WE
D0 29 20 A4
Q0 A5
D8 30 19 A5
Q8 A6
D1 31 18 A6
Q1 A7
D9 32 17 GPIO5
Q9 A17
D2 33 16
Q2 NC
D10 34 15
Q10 RY/BY#
D3 35 14
Q3 NC
D11 36 13
Q11 NC
37 12 RESET_3.3V
VCC RESET#
D4 38 11 WE
Q4 WE#
D12 39 10
Q12 NC
CKE
L203 D5 40 9
Q5 NC
CLK
LL241 D13 41 8 A7
Q13 A8
D6 42 7 A8
Q6 A9
C224
D14 43 6 A9
104Z Q14 A10
DQM1
D7 44 5 A10
Q7 A11
D8 D15 45 4 A11
C223 Q15/A-1 A12
46 3 GPIO1
104Z
GND A13
D9
47 2 GPIO2
BYTE# A14
D10
GPIO4 48 1 GPIO3
A16 A15
D11
C268
D12 102K
C283 220/6.3 R298
+VSD
+
D13
C284
0 +3.3V
C267
104Z 1 50
D14 102K VCC0 GND2
D0 2 49 D15
DQ0 DQ15
D15
3 48 D14
D1
DQ1 DQ14
C222 4 47
GNDQ1 GNDQ4
104Z
D2 5 46 D13
D0 DQ2 DQ13
D3 6 45 D12
D1 DQ3 DQ12
C287 102K
7 44 C290
C221 VCCQ1 VCCQ4
102K
104Z D4 8 43 D11
D2 DQ4 DQ11
D5 9 42 D10
DQ5 DQ10
D3
10 41
GNDQ2 GNDQ3
D6 11 40 D9
DQ6 DQ9
D4
D7 12 39 D8
D5 DQ7 DQ8
C288 13 38 C286
R299
102K VCCQ2 VCCQ3
0 DQM0 14 37 104Z
D6 LDQM NC2
WE 15 36 DQM1
C265 _WE UDQM
CAS 16 35 CLK
102K _CAS CLK
D7
RAS 17 34 CKE
_RAS CKE
SD_CS 18 33
_CS NC1
DQM0
BA0 19 32 A9
WE A11 A9
A10 20 31 A8
A10 A8
CAS
A0 21 30 A7
A0 A7
A1 22 29 A6
A1 A6
A2 23 28 A5
A2 A5
A3 24 27 A4
A3 A4
C285
25 26
VCC1 GND1
104Z
C289
+3.3V
102K