Onkyo TX-NR906 Service Manual page 28

A B
SCHEMATIC DIAGRAMS-20 (SD-20)
NETWORK SECTION-1
NALAN-9121(1/8)
U44 LAN PC BOARD
1
TO SD-21:A1
PCI BUS
PCICLK3
TO SD-27:E1
2
3
4
5
C
BLM15PG100SN1
C216
+
10/16Ta
22.5792MHz X200 C218 49.152MHz X201 C219
104K 104K
R207
R206
1M 1M
AD31 120
AD31
AD30 121
AD30
AD29 123
AD29
AD28 124
AD28
AD27 125
AD27
AD26 126
AD26
AD25 127
AD25
AD24 2
AD24
AD23 5
AD23
AD22 6
AD22
AD21 8
AD21
AD20 9
AD20
AD19 10
AD19
AD18 11
AD18
AD17 12
AD17
AD16 15
AD16 SPMCLKOUT
AD15 28
AD15
AD14 29
AD14
AD13 30
AD13
AD12 31
AD12
AD11 32
AD11
AD10 34
AD10
AD9 35
AD9
AD8 36
AD8
AD7 40
AD7
AD6 41
AD6
AD5 42
AD5
AD4 43
AD4
AD3 44
AD3
AD2 47
AD2
Q206
AD1 48
AD1
AD0 49
AD0
ENVY24MT-G
PCI AUDIO
4
IDSEL
XPCIRESET 114
RST#
XCBE3 3
CBE3#
XCBE2 16
CBE2#
XCBE1 25
CB1E#
XCBE0 37
CBE0#
XFRAME 17
FRAME#
XIRDY 18
IRDY#
XTRDY 19
TRDY#
XDEVSEL 21
DEVSEL#
XSTOP 22
STOP#
PAR 24
PAR
113
INTA#
XINTD R229 0
118
GNT#
XGNT3 0
R369
119
REQ#
XREQ3 0
R372
117
PCICLK
+3.3V
50
GPIO0
51
GPIO1
52
GPIO2
53
GPIO3
56
GPIO4
57
GPIO5
58
GPIO6
59
GPIO7
75
GPIO8
76
GPIO9
77
GPIO10
86
GPIO11
88
GPIO12
89
GPIO13
90
GPIO14
91
GPIO15
D E
+3.3V
L217
+3.3V
Q201
+3.3V
IS24C04A-2ZLI
E2P-ROM
7
WC
1
E0
71 6 2
SCLK SCL E1
70 5 3
SDA SDA E2
R210
92
SPDTX
107 47
SPDIN
96
MTNC
95
TX1
C222 R214
R215
94 7
RX1 AOUTL
112
10/16 1.5K 1.8K
111
SPMCLKIN
Q204
110
SPSCLK
CS4344-CZZR
109
SPSYNC
106
PSDOUT[1] 2ch DAC
105
PRST#
73
PSDIN[0]
R220
85 MCLK 4
PMCLK MCLK
R221
78 BCLK 47 2
PBCLK SCLK/DEM
R222
72 LRCK 47 3
PSYNC LRCK
R223
79 SDATA 47 1
PSDOUT[0] SDIN
C225
10 R224 R225
47
AOUTR
1.5K 1.8K
10/16
68
SCANEN
5 S-817A33ANB-CUOT2G
VQ
69 Q205
TESTEN# +3.3V
9 3
VA VOUT VIN
23
NC
102 4
NC NC
82 6
MTNC FILT+
C232 C233
83
MTNC
84
104K 104K
MTNC
97
8 GPLDAC
MTNC
GND
98
MTNC
99
MTEST[0]
101
MTEST[1]
103
MTEST[2]
104
MTEST[3]
+3.3V
1
VCC
13
VCC
27
VCC
+3.3V
38
VCC
45
VCC
54
VCC
81
VCC
93
VCC
115
VCC
122
VCC
+3.3V
7
GND
14
GND
20
GND
26
GND
33
GND
39
GND
+3.3V
46
GND
55
GND
74
GND
80
GND
87
GND
100
GND
108
GND
116
GND
128
GND
www.audiodna.sk
F G
S/PDIF IN OUT
SPDIFTX
SPDIFRX
TO SD-27:F4
R412
R212
22K
+6.8V
2.2K
6
6 7 Z2LOUT TO SD-27:F2
R410
7 5
Q202:B
5 15K +7V
Q203:B
NE5532APSR
NE5532APSR R428
22
A
R429
R413
22
22K
NE5532APSR
R219
-7V
Q202:A
2.2K 2
TO SD-27:F2
2 1 Z2ROUT
R411
1 3
3 NE5532APSR
15K
To Connector Diagram
Q203:A
ZONE2 ANALOG OUT
-6.8V
+7V
+7.0V L202
2
BLM15AG601SN1
+3.3V
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
+3.3V
NOTE
THE COMPONENTS IDENTIFIED BY MARK
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER)
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS (
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
TX-NR906/NA906
H
!
ARE CRITICAL FOR SAFETY.
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.