Onkyo TX-SA806 Service Manual page 14

A B
SCHEMATIC DIAGRAMS-7 (SD-7)
MICROPROCESSOR
NADG-9504
U16
AND DAC SECTION
MICROPROCESSOR
C1050
1 IRINB2
2 IRINB1 101J AND DAC PC BOARD
3 IRINA2 C1051
4 IRINA1 101J
5 AUXSC_IN
1
6 AUXSY_IN
7 AUXCV_IN
8 GNDVD
KRA102S
9 -15VA Q1002
10 +15VA
11 AUX_R1
12 GNDAUX
13 AUX_L
14 MICOUT
15 MICMUT
16 MICDET KRA102S
17 +5VMPU Q1004
18 REMIN
19 OPTF
20 PURELED
21 ZONE2LED
22
23
STANDBYLED
24 GNDDG
Q1011
25 VOLB
KRA102S
26 VOLA
R1099
27 KEYINT1
0
28 +3.3VMPU
29 +3.3VST
30 KEYINT0
31
32 KEY3
33 KEY2
34 KEY1
35 KEY0
2SK3019
36 FLDRST
Q1012
37 FLD2CS
G
38
FLDCS
2
39 FLDCLK
40 FLDSDO
2.2K
R1106
14 GNDDAC
13 +12VDG2
GNDDAC
12
11 +12VDG2+SUB
10
9 GNDDG
8
7 +3.3VST
6 RS_ETH
5 ERST
4 AUXSC_IN
3 AUXSY_IN
2 AUXCV_IN
8.2(1/2W)
1 GNDVD
R1147
16 POFF
R1146
15 FANCTRL
8.2(1/2W)
14 APOWER
13 VPOWER
12 POFF2
11 SD
10 STEREO
9 SRRST
8 TRGA
7 TRGB
6 TRGC
5 XMLNK
XC6213B332MR
4 XMANT
R1173 47
3
3 VMUT
2 XMRST
S-812C33AUA-C2N
1 XMDACRST
17
16
5PLLVSWSCL
15 5PLLVSELSDA
14 3PLLVSWSCL
13
3PLLVSELSDA +12V
12 RDSDATA
11 RDSCLK
D1004
10 XMTXD
1SS352
9 XMRXD
8 SRTXD
7 SRRXD
6 RS232TXD
5 RS232RXD
4 IRINA1
3 IRINA2
2 IRINB1
1 IRINB2
NC
R1483
P1307
C1363
NC
2 R1484
220
RI 3
1
P1309 LBC2518T2R2M
101J
C1366
COAX1
75
L1305 R1486
R1487 10
4
10
R1492
COAX2
R1490 C1368 L1307
75 101J LBC2518T2R2M
LBC2518T2R2M
75
R1496 L1308
COAX3
C1381
R1495
101J 10
L1311 R1505
COAX
OUT 75
0
R1501
104
C1395
C1389
102K
L1311
BLM21B222SPT
DTR-6.9/7.9 only
LBC2518T470M
47 L1312
U1301 1
IN
R1520
OPT1 3
VCC
104Z
2
GND
C1400
GP1FAV51RKF5
47
5 U1302 1
IN
R1529
OPT2 3
VCC
2 104Z
GND
C1417
GP1FAV51RKF5
U1303 3 R1533
IN
220
OPTOUT
2
VCC
1 104Z
GND
C1422
GP1FAV51TKBF
DTR-6.9/7.9,TX-SA706X only
C
TO NAHDM-9562
TO FLASH WRITER
SD-8:A4
TO DEBUGER
P1001 P1002A
0
R1002
0
R1004
R1005
C1001
105Z
1K
104Z
C1002
/AMUT
AMUT
C1003
R1011 C1004
/Z2MUT NC
105Z +3.3VST
1K
Z2MUT
/SBZ2MUT
+3.3V
R1075 105Z
SBZ2MUT
1K C1007
220
R1083
APOWER_W
+5VMPU
APOWER R1086
+3.3V +3.3VMPU SBZ2MUT 220 109
ROMCS 47 R1089 110
ROMCLK 220 R1091 111
5PLLVSELSDA
ROMSDI 47 R1093 112
5PLLVSWSCL
D ROMSDO 47 R1095 113
D
PDL8/AD8
2SK3019
G Z2MUT 114 109:PDL4/AD4
PDL9/AD9
Q1013
AMUT 115
110:PDL5/AD5/FLMD1
S PDL10/AD10
S R1101 220
IPROTECT 116
3PLLVSWSCL PDL11/AD11 111:PDL6/AD6
PROTECT R1104 220 117
PDL12/AD12 112:PDL7/AD7
R1103 3PLLVSELSDA
SPRLF R1107 47 118
2.2K +3.3VST PDL13/AD13
R1109
SPRLCS 47 119
+3.3V PDL14/AD14 Q1016
SPRLSB R1111 47 120
PDL15/AD15
PRERLSB R1113 47 121 uPD70F3746
Q1015 PDH0/A16
R1115
SPRLZ2 47 122
AN34060A PDH1/A17
Main Microprocessor
VOLCLK R1117 47 123
PDH2/A18
VOLDATA R1119 47 124
PDH3/A19
220
Z2VOLCLK R1121 125
PDH4/A20
MEQMUTE R1123 220 126
PDH5/A21
C1010 R1125 127
PDH6/A22
10K
102K R1130 47K 1K 128
+5V +5VDG PDH7/A23
HPDET 129
+3.3V
+3.3VDG P715/ANI15
MICMUT 47 R1133 R1131 130
+2.5V +2.5VDAC P714/ANI14
MICDET 131
P713/ANI13
C1014
VOLB R1138 1K R1135 R1136 132
100/16
P712/ANI12
GNDDSP VOLA R1140 1K 47K 1K 133
P711/ANI11
R1142
VOLH 220 134
Q1017 P710/ANI10
3 I 1 +5VMPU THERMAL2 R1144 220 135
O
P79/ANI9
THERMAL1 R1148 220 136
+5V
G P78/ANI8
R1150
R1152 47K INIT3 47K 137
P77/ANI7
R1155 47K INIT2 R1154 47K 138
P76/ANI6
R1158 47K INIT1 R1157 47K 139
P75/ANI5
XC6202P502FR R1159
R1160 47K BAND 47K 140
P74/ANI4
Q1018 KEY3 R1161 4.7K 141
P73/ANI3
1 5 +3.3VMPU KEY2 R1162 4.7K 142
VIN VOUT P72/ANI2
2 +3.3V KEY1 R1164 4.7K 143
VSS P71/ANI1
3 4 KEY0 R1166 4.7K 144
CE NC P70/ANI0
VPOWER R1168
R1170
R1097 10K
GNDDG R1171
D1002 R1172 2.7K x4
1SS352
+3.3V
+3.3V
+3.3VST
2 I 3 +3.3VST
O
+3.3V
G
+3.3V
1
Q1019
Q1020
1SS352
2 3
I O
5.000MHz
Q1022
D1005
G
1 ROMCS 1 CS 8
C1037
Vcc
ROMSDI 2 SO 7 104Z
HOLD
3 WP 6 R1226
S-812C56AUA SCK
4 GND 5 10K
-C3KT2G
SI
Q1023
R1EX25064ASA00A KRC104S
+2.5VDAC
64 kbit E2PROM
+3.3VDG
GNDHD +5VDG
+5.0V
R1485
C1365
SPDIF_5.0V
NC
220K
104K
R1488 100/16
C1369
R1491
104K 220K
C1371
C1370
104Z
LBC2518
1 14 T4R7M
VCC
2 13 L1309
C1380 +5.0V
3 12
104K R1497
4 11
220K
5 10
6 9
+ 7 GND 8
33
L1310 C1384 100/16
AOUTA2-
LBC2518 34
C1386 104 Q1322 AOUTB1-
T4R7M 35
Q1323 TC74VHCT08AFT AOUTB1+
1 +5.0V 102K 36
14
VCC AOUTA1+
C1388
13 2 37
AOUTA1-
12 3 223K 38
MUTEC
11 4 C1390 39
LPFLT
10 5 R1507 40
AGND2
1.5K
9 6 41
VARX
8 7 OPT2 330 R1513 C1392 42
RXP7/GP7
GND
OPT1 330 R1515 104Z 43
RXP6/GP6
R1516 0 COAX3 330 R1517 44
RXP5/GP5
74HCU04AF 45
RXP4/GP4
COAX2 330 R1518 46
RXP3/GP3
330 R1519 47
RXP2/GP2
+5.0V 48
COAX1 RXP1/GP1
WF02
C1399
470/10
WF01
C1418 104Z LBC2518T470M
L1318
Q1326
1 8 +3.3V
VD
TC7WU04FU
2 7 L1320
3 6
LM182
4 5
GND
R1534 R1535 1M
82K
R1532
X1301
10K
SPFOUT
24.576MHz
D E
TO NAHDM-9562 TO NAHDM-9562
SD-8:A4 SD-8:A3
P1005A P1003A P1004A
+5.0V
KRC102S
KRA107S
Q1005 R1600-1607
Q1006
R1610-1617
Q1008
R1620-1627
KRA107S
R1630-1637
Q1007
KRC102S
KRC102S
Q1009
+3.3V
101J
C1008
101J C1009
72 R1088 47 FSO
P911A11/SOB3
71 47 FSI
R1090
P910/A10/SIB3
70 R1092 220 FLDCLK
P99/A9/SCKB1
69 R1094 220 FLDSDO
P98/A8/SOB1
68 0 PLLVSELSDA
R1096
P97/A7/SIB1/TIP20/TOP20
67 R1098 0 PLLVSWSCL
P96/A6/TIP21/TOP21
66 R1100
P95/A5/TIP30/TOP30
47
65 10K R1102 RST_TX
P94/A4/TIP31/TOP31
64 47 R1105 INT_TX
P93/A3/TIP40/TOP40
63 47 R1108 SRRST
P92/A2/TIP41/TOP41
62 47 R1110 SRRXD
P91/A1/KR7/RXDA1/SCL02
61 47 R1112 SRTXD
P90/A0/KR6/TXDA1/SDA02
60 47 R1114 XMTXD
P81/TXDA3
59 47 R1116 XMRXD
P80/RXDA3/INTP8
58 47 R1118 EXPCLK
P615
57 47 R1120 SDA_TX
P614
56 47 R1122 SCL_TX
P613/TIP81/TOP81
55 10K 220 R1124 CEC_IN
P612/TIP80/TOP80
54 R1126
P611/TOP71
47 R1128
53 RST_RX
P610/TIP71
52 47 R1132 MUTE_RX
41:P54/SOB2/KR4/RTP04/DCK P69/TIP70/TOP70
51 R1129 47 R1134 DSPCLK
40:P53/SIB2/KR3/TIQ00/TOQ00/RTP03/DDO
P68/SCKB5
10K 47
39:P52/TIQ03/KR2/TOQ03/RTP02/DDI 50 R1137 DIGSDO
P67/SOB5
38:P51/TIQ02/KR1/TOQ02/RTP01 49 220 R1139 DIGSDI
P66/SIB5
48 47 R1141 INT_RX
37:P50/TIQ01/KR0/TOQ01/RTP00
P65/RTP15
47 47 R1143 SCL_RX
P64/RTP14
46 47 R1145 SDA_RX
P63/RTP13
45 R1151 1K R1149 POWER_RX1
P62/RTP12
SCL_RXEDID1
44 0 R1153
P61/RTP11
43 10K 0 R1156 SDA_RXEDID1
P60/RTP10
42 OC_DMS
P55/SCKB2/KR5/RTP05/DMS
41 OC_DCK
40 OC_DDO
39 4.7K OC_DDI
38 R1165 KEYINT1
37 R1167 4.7K KEYINT0
C1021 102K
C1022 706 806
102K
R1165 NC
4.7K
R1179 2.7K
NC
+3.3VST
+3.3V +3.3V
*2
104Z
C1035
1 QB 16
47
VDD
2 QC 15 R1252
QA
3 QD 14 220 R1215
SER
4 QE 13
EXPOE
G
5 QF 12 220 EXPLAT
RCK
6 QG 11 R1230 EXPCLK
SCK
7 QH 10
SCLR
8 GND 9 R1231
QH
10K
R1235 10K
+2.5V
+2.5V
+3.3V
+3.3V
WF08
WF07
WF06
+2.5V
+3.3V
16
AINL-
15
AINL+
14
AINR+
13
AINR- 13
Q1324 DIRRST
12 220 R1504 SDIN3
_RST 14
CS42516-CQ 11 47 R1506 DIRINT SDIN4
INT1 DIRCLK 820 R1575 15
10 1K R1508 DIRCS M2(SCL/CCLK) Q1421
DIR, Codec CS/AD0 DIGSDO 820 R1577 16
DIGSDO
9 1K R1511 M1(SDA/CDIN)
CDIN/AD1 DACCS 330 R1579 17 CS4382A
8 47 R1512 DIGSDI M0(AD0/CS)
104J C1454
CDOUT/SAD 18 8 ch DA Converter
7 1K R1514 DIRCLK VLC
CCLK/SCL DACRST 330 R1581 19
6 RST
VLC 20
5 C1396 FILT+
DGND1 C1456 21 24:AOUTB4+
4 104Z VQ
38:AOUTB1+
VD1 C1457 104J 22
MUTEC234
3 37:AOUTB1-
CX_LRCK C1458 23
C1398 AOUTB4-
2 104Z
CX_SCLK C1459 NC 24
1
CX_SDIN1
C1456,1456
LBC2518 47/25
L1313
+3.3V T4R7M
+5.0V
+5.0V +5.0VDG
L1316 L1317 L1314 L1404
LM182
LM182
C1410 C1411
470/10 470/10
LBC2518T4R7M
LBC2518
T4R7M
OMCK DIR_BCK
DIR_LRCK
DIR_MCK
DIR_SDOUT
WF03 WF05
WF04
F G
2SC2712-GR 2SC2712-GR
TX-SA706X OTHER R1640-1647 10K
Q1290
820 1.8K R1650-1657 10K R1770-1777 100K
820 1.8K
R1660-1667 180 All type except R1291
R1301
5.1K 10K R1670-1677 180 TX-SA706X
100K
5.1K 10K
C1600-1607 471J
C1610-1617 151K
C1620-1627 151K
TX-SA706X only
R1690 10K R1720 22K
R1640 C1610 +12V Q1621:B
R1680 R1700 22K
2 2
R1600 R1620
FL- 6
1 1
10K 1.5K R1710
C1600 7 FL
R1660
R1630 3 471J 3
FL+ R1610 5
C1640
Q1601:A
R1670 -12V C1630 Q1611:B
R1650 R1740
C1620 NJM4580M-D 122J
NJM4580M-D 22K
R1651 C1621
NJM4580M-D
NJM4580M-D
R1601 R1621 Q1601:B
FR+ 3
-12V
C1601 1 FR
R1671 R1741
R1611 R1631
FR- 2
NJM4580M-D
C1631
R1641 R1661
Q1611:A
C1611 122J
5 471J 5
7 C1641 7
R1642
C1612 +12V
10K 1.5K 22K
R1602 R1622 6 6
C- 6
R1681 R1701
C1602 7 R1711
R1662 C 10K 22K
R1612 R1632
C+ 5
R1691 Q1621:A
R1721
Q1602:A -12V
R1672
R1652 NJM4580M-D NJM4580M-D
C1622 NJM4580M-D
R1657 C1627 NJM4580M-D
R1607 R1627
SW+ 3 Q1602:B
R1692 10K R1722 22K
1
C1607 R1677 SW
R1617 R1637 Q1622:B
SW- 2 R1682
2 R1702 R1712
2
R1667
R1647 1 1
C1617 10K 1.5K 22K
3 3
471J
C1642
R1643 C1613 122J
Q1612:B R1742
R1603 R1623
SL- 6 C1632 NJM4580M-D 22K
C1603 7 SL
R1663 NJM4580M-D
R1613 R1633
SL+ 5
-12V
R1653 R1673 Q1603:B
R1747
C1623 NJM4580M-D
NJM4580M-D NJM4580M-D
R1654 C1624 122J
Q1612:A
R1604 R1624 Q1603:A C1637
SR+ 3 -12V
5 471J 5
C1604 1 SR C1643
R1674
R1614 R1634 7 7
SR- 2
10K 1.5K 22K
6 6
+12V
R1664
R1644
R1687 R1707 R1717
C1614
10K 22K
R1697 Q1622:A R1727
R1645
C1615
NJM4580M-D
R1605 R1625
SBL- 6
C1605 7 SBL
R1665
R1693 10K R1723 22K
R1615 R1635
SBL+ 5
Q1623:B
Q1604:B
R1655 R1675 1.5K 22K
R1683 2 2
C1625 NJM4580M-D
10K 1 1
C1626 NJM4580M-D R1703 R1713
R1656
3 3
R1606 R1626 471J
SBR+ 3 Q1604:A -12V
C1647
C1606 R1676 1 SBR
Q1613:B R1743
R1616 R1636 C1633
SBR- 2 22K
NJM4580M-D
122J
+12V
R1666
R1646 NJM4580M-D
C1616
R1744
C1634 NJM4580M-D
122J Q1613:A
5 471J 5
R1911 47/25 C1644
R1941 10K 7 7
10K 1.5K 22K
R1921 10K 6 6
56 C1911
10K R1951 10K
R1684 R1704 R1714
10K
22K
6 2 10K
R1901 47/25
7 1 Q1623:A R1724
R1931 R1961 R1694
56 5 3 NJM4580M-D
C1901
Q1900:A
Q1901:B
NJM4580M-D
NJM4580M-D R1695 10K 22K
R1725
R1910 47/25 R1940 10K R1685 1.5K 22K
2 2
56 R1920 10K 1 1
C1910 10K R1705 R1715
R1950 10K 10K 3 3
C1645
10K
2 6 471J
R1900 47/25 C1635 Q1614:B R1745
1 7
R1930 R1960
122J 22K
3 5 NJM4580M-D
56 C1900
Q1900:B
Q1624:B
Q1901:A
NJM4580M-D
-12V NJM4580M-D
NJM4580M-D
R1746
NJM4580M-D
C1636
Q1614:A
122J
5
5 C1646
471J
7 7
10K 1.5K R1716
6 6
C1385 R1686 R1706 22K
NC
10K 22K
+12V R1696 R1726
Q1624:A
NJM4580M-D
(DSDFL) PCMLR_DL0 TX-SA706X only
(DSDFR) PCMLRCK_DR0
(DSDSL) HDMISPF_DL2
R1563-1566
R1568-1574
+3.3V
R1576,1578
MODEL TX-SR706 TX-SR706 TX-SA706
R1580,1582
DC, DD
: 470 DESTIN OTHER MR/JJ
R1010, R1218 10K NC 10K
48 R1573 DSDSR_RC (DSDSR)
DSDB2
47 R1574 PCMSLR_DR1
(DSDC)
DSDA3
MODEL TX-SA706
46 R1576 PCMCSW_DL1 (DSDSW)
DSDB3 TX-SR706 DTR-6.9
DESTIN MR/JJ
45 R1578
DSDA4
44 R1580
R1232, R1233 47
DSDB4 NC NC
C1455 104J
43
VLS
42 R1582
M3(DSD_SCLK)
41 PCMBCK_DSDCLK
MODEL TX-SR706 SA706
MUTEC1
40 FL- FUNCTION
AOUTA1-
39 FL+ DESTIN DC,DD OTHER MR
AOUTA1+
38 FR+
BAND R1159
NC 10K 56K
37 FR-
INT1 R1157 10K 10K 10K
INT2 R1154 NC NC NC
INT3 R1150
NC NC NC
WF09 BAND R1160
0 NC 33K
INT1 R1158 NC NC NC
INT2
R1155 0 0 0
SL-
INT3 R1152
SL+ 0 0 0
SR+
SR-
C-
C+
SW+
SW-
SBL-
SBL+
SBR+
<Note>
SBR-
Refer to SCHEMATIC DIAGRAM-7 and -16 (SD-7 and SD-16)
for digital audio signal flow wave forms.
TX-SR806/SA806
H
R1290 10K
R1292
10K
Q1301
47K 47K
R1294 R1293
R1296 47K
47K R1295
C1290 100/16
R1770 0 C1291 104Z
1 14
IN/OUT1 VDD
2 2 13
OUT/IN1 CONT1
1 3 12
AUX_R1
OUT/IN2 CONT4
3 4 11 47/50
IN/OUT2 IN/OUT4
5 10 C1296
CONT2 OUT/IN4
Q1631:B 6 9
CONT3 OUT/IN3
NJM4580M-D
7 8
VSS IN/OUT3
TC4066BFT
AUX_R
Q1291
-12V GNDAUX
AUX_L/MIC
C1293 ADR 11
Q1631:A
5
47/50 ADL 10
7
DAC_SBR 9
6
DAC_SBL 8
DAC_SW
7
DAC_C 6
+12V
DAC_SR 5
0
DAC_SL 4
R1771
DAC_FR 3
DAC_FL 2
0
1
R1772
AUX_L/MIC 15
2
GNDAUX 14
1
AUX_R 13
3
-15VA 12
Q1632:B
WF10 +15VA 11
GND_A 10
VOLDATA 9
VOLCLK 8
-12V
Z2VOLCLK 7
NJM4580M-D
AMUT 6
SBZ2MUT 5
NJM4580M-D
Z2MUT 4
5
PRERLSB 3
7
SPRLF 2
6
SWMUT 1
Q1632:A
3
+12V
2
R1777 0
1
R1773 0
2
1
3
Q1633:B
NJM4580M-D
NJM4580M-D
-12V
5 Q1633:A
7
6
+12V
0
R1774
R1775 0
2
1
3
GNDDG 1
Q1634:B
HPDET 2
NJM4580M-D
SPRLF 3
22(1/2W)
NJM4580M-D SPRLCS 4
R1780
SPRLSB 5
-15V SPRLZ2 6
VOLH 7
Q1634:A SEC1H 8
5 PROTECT 9
7 IPROTECT 10
6 +3.3VMPU 11
THERMAL1 12
13
R1781
+15V
22(1/2W)
R1776 0
DTR-6.9 DTR-6.9 TX-SR806 TX-SR806 TX-SA806 DTR-7.9 DTR-7.9
DD MA DC/DD OTHER MR/JJ DD MA
10K NC 10K NC 10K 10K NC
TX-SA806
TX-SR806
DTR-7.9
MR/JJ
47
NC NC
DTR-6.9 TX-SR806 SA806 SA706X DTR-7.9
DC,DD OTHER DC,DD OTHER MR JJ DC,DD OTHER
NC 10K NC 10K 56K 10K NC 10K
33K 33K 33K 33K 33K 10K 33K 33K
33K 33K 10K 10K 10K 33K 10K 10K
33K 33K 10K 10K 10K 33K 10K 10K
0 NC 0 NC 33K 33K 0 NC
10K 10K 10K 10K 10K 33K 10K 10K
10K 10K 10K 10K 10K 56K 33K 33K
10K 10K 10K 10K 10K 56K 33K 33K
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.