Onkyo TX-NR900E

TX-NR900/E
SCHEMATIC DIAGRAM 9-1 Mother Board Section
P202
P204
P20
3
P7201B
P7004A TO NADG-7687 (SCH. 2)
P7002A TO NADG-7687 (SCH. 2)
Q2913
NJM4565M
3
2
1
Q2910
NJM4565M
3
2
1
Q2913
NJM4565
M
5
8
6
4
7
Q2910
NJM4565M
5
8
6
4
7
Q201
MPD4721
GS
C1+2
C1-4
C4+ 20
C4-
18
C5+
5
C5-6
7
8
14
13
GND
19
12
11
9
10
VCC3
VCHA15
VDD1
VSS
17
STBY
16
L201
BLM21A1
02F
P201
RS-232
C206 1
04Z
C233 104Z
C205
104Z
C225
104Z
C2917 10/
16
C2918 10/
16
C222
47/16
C223
47/16
C2921
10
0/6.3
C207
100/6.3
C201
1/50
C202
1/50
C203 1/50
C204
1/50
C221
47
/16
C232
1000/2
5
C231
10/ 16
C2903
10/16
C2904
10/16
C2902
10/16
R203
330
R201
330
R205
330
R208
330
D201
1SS352
D202
1SS3
52
D203
1SS3
52
E2903
R2906
10
K
R2905
10K
R2911
1K
R2910 2. 2
K
R2921
3.3K
R2922
10K
R2923
10K
R232
1K
R231
1K
R211
100
R224
1K
R221
2.2K
R223
2.2
K
R212
220
R222 1K
R234
150
2W
R233
2.2 (1/2W)
R2904*
0
R2914
22
K
R2915
22K
R2916
22K
R2918
1.5K
R2917
1.5K
R2919
22K
R2908
1.5K
Q2911
RN1402
Q223
RN1
402
Q2 9 2 2
RN1402
Q2921
RN1
402
Q221
RN1
402
Q211
PC817X
Q233
NJM78M56
G
IO
Q2912
2SB
1068
Q224
2
SB1068
Q222
2SB106
8
P6830B
TO NAETC-7694
(SCH. 7)
P6832B
JL931A
P4012
A
Q232
2SC2712
Q231
2SC2712
Q2905
2SC2712
Q2907
2SC2712
P40 20A
P4011A
P7003A TO NADG-7687 (SCH. 2)
P800A TO NADG-7687 (SCH. 2)
P4010A
P29
01B P2906
Q2904
RN240
2
Q2906
RN2402
R227
RXE030
R228
RXE03
0
R2909
RXE030
C2908
2
72J
C2922
22
3J
C2916
122
J
SUBREQ
5.6S
RLGND RLGND
MAINCL MAINSO
SUBSO NETTX NETRX 232TX
232RX
SUBREQ
232TXD
MAINCL
MAINSO
SUBSO
232RXD
NET
SUBRES
MAINREQ
SUBPOFF
SDA
5.6S SCL
+13V DSPCL
GNDDAC XRESET
GNDDAC DSPDA
+24V XDARST
RLGND XDACS
RLGND DAMUTE
DTADIM
+12V GNDDSP
12TRGB GNDDSP
12TRGA GNDDAC
SPRLF GNDDAC
SPRLZ +5VDSP
POWER +5VDAC
12TRGZ -15V
232RXD +15V
232TXD RDSDET
HPL
RI AMUT
HPE
IRIN Z2MUT
HPR
HPMUT
Z2LMUT
TNCL
GND
TNDA
GND
TNCS1
-15V
TNCS2
GND
VLSTB
+15V
VLDA
TNCL
VLCL
TNDA
TNCS1
AFCL
TNCS2
AFDA
VLSTB
AFSTB
VLDA
STEREO
VLCL
SD
AFCL
TUMUT
AFDA
PLLCE
AFSTB
POWER
SPRLF
SPRLZ2
12VTRGZ
12VTRGB
Z2MUTE
12VTRGA
AMUTE
PDIRECT
HPMUTE
R
5.6S
RZ2R
+
+13S
GNDADIN
-
RT
GNDADIN
GNDADIN
+
RT
LT
GNDADIN
GNDADIN
S
LT
RZ2L
T
DOSBL DOSBL
V
GND GND
V
DOSBR DOSBR
P
GND GND
A
DOL DOL
A
GND2 GND2
A
DOR DOR
GND GND
DOSL DO
SL
R
GND GND G
DOSR DSR
GND GND
G
DOC
L
GND GND G
DOSW DOSW
R
Except UDD, UDC and UPA
NAETC-7733
NAAR-7728
TO NAETC-7695
(SCH. 7)
U39
NAAF-7718 (SCH. 4)
NAAF-7718 (SCH. 4)
NAAF-7718 (SCH. 4)
NAAF-7718 (SCH. 4)
NAPS-7691(SCH. 8)
R2904 0: UDD,UDC, and UPA
Open: Other models
Except UDD, UDC and UPA
A
1
2
3
4
5
BCD