Onkyo TX-NR900E, Service Manual

Page: 7 / 82

TX-NR900/E
SCHEMATIC DIAGRAM 1-1
Sub-microprocessor and display sections
JL7201A
P2509
P7201A (SCH. 9) TO NAAR-7728
U2501
TORX178A
P2510
Y C
P2508
R2576
22
R2574
75
R2575
75
R2573
75
R2572
330
R2571
330
P102B
P3220B
F2 F2
65 66
P7203
P2506B
P7482B P7482A
U7201
SPS-444-1
R7202
LM182
R7201
LM182
L7201
NCH-1471
P7481
HEADPHONES
Q7202
RN2403
X7201
CST16.00MXW0C1
Q7201
M30624FGFP
1:P96/ANEX1/SOUT4
1
24:P76/TA3OUT
24
25:P75/TA2IN/~W
25
26:P74/TA2OUT/W
26
27:P73/~CTS2/~ RTS2/TA1IN/~V
27
28:P72/CLK2/TA1OUT/V
28
29:P71/RXD2/SCL/TA0IN/TB5IN
29
2:P95/ANEX0/CLK4
2
30:P70/TXD2 /SDA/TA0OUT
30
3:P94/DA1/TB4IN
3
4:P93/DA0/TB3IN
4
51:P43/A19
51
52:P42/A18
52
53:P41/A17
53
5:P92/TB2IN/SOUT3
5
6:P91/TB1IN/SIN3
6
78:P12/D10
78
79:P11/D9
79
7:P90/TB0IN/CLK3
7
80:P10/D8
80
AVCC 99
AVSS 96
BYTE
8 CNVSS
9
P00/D0 88
P01/D1 87
P02/D2 86
P03/D3 85
P04/D4 84
P05/D5 83
P06/D6 82
P07/D7 81
P100/AN0 97
P101/AN1 95
P102/AN2 94
P103/AN3 93
P104/AN4/~KI0 92
P105/AN5/~KI1 91
P106/AN6/~KI2 90
P107/AN7/~KI3 89
P13/D11
7
7
P14/D12
7
6
P15/D13/~INT3
7
5
P16/D14/~INT4
7
4
P17/D15/~INT5
7
3
P20/A0[/D0/_]
72
P21/A1[/D1/D0]
7
1
P22/A2[/D2/D1]
7
0
P23/A3[/D3/D2]
6
9
P24/A4[/D4/D3]
6
8
P25/A5[/D5/D4]
6
7
P26/A6[/D6/D5]
6
6
P27/A7[/D7/D6]
6
5
P30/A8[/_/D7]
63
P31/A9
61
P32/A10
6
0
P33/A11
5
9
P34/A12
5
8
P35/A13
5
7
P36/A14
5
6
P37/A15
5
5
P40/A16
5
4
P44/~CS0 50
P45/~CS1 49
P46/~CS2 48
P47/~CS3 47
P50/~WRL/~WR 46
P51/~WRH/~BHE 45
P52/~RD 44
P53/BCLK 43
P54/~HLDA 42
P55/~HOLD 41
P56/ALE 40
P57/~RDY/CLKOUT 39
P60/CTS0/RTS0 38
P61/CLK0 37
P62/RXD0 36
P63/TXD0 35
P64/~CTS1/ ~RTS1/~C 34
P65/CLK1 33
P66/RXD1 32
P67/TXD1 31
P77/TA3IN
23
P80/TA4OUT/U
22
P81/TA4IN/~U
21
P82/~INT0
20
P83/~INT1
19
P84/~INT2
18
P85/~NMI
17
P86/XCOUT
11
P87/XCIN
10
P97/~ADTRG/SIN4 100
VCC1
16
VCC2
62
VREF 98
VSS1
14
VSS2
64
XIN
15
XOUT
13
~RESET
12
D7501 UDZ1
D7203
UDZ5.1B
C7203
474J
C7204
474Z
C7510
33/50
C2579
10/16
C7201
100/6.3
C7207
100/6.3
C7202
100/6.3
D7502
1SS352
D7202
1
SS352
D7201
1SS352
C7509 474Z
C7502 474Z
C7501
474Z
C2576
104Z
C7213
102K
C2577
104Z
C2578
104Z
C2571 471J
C2572 471J
C7484
104Z
C7482
101J
C7481
101J
C7214
1
02K
C7208
104Z
C7293 102K
C7294 102K
C7295 102K
C7297 102K
C7206
104Z
2.7K
R7389
R7289
R7390
R7290
R7391
R7291
R7392
R7292
R7203
1
K
R7604
0
R7603
0
R7382 1K
R7601
0
R7602
0
R7371
1
0K
R7502 220
R7501
220
R7432
2.2K
R7431
220
R7340
1
0K
R7339
1
0K
R7338
1
0K
R7503
330
R7309
10K
R7272
220
R7301
220K
R7207
1
K
R7271
10K
R7300 10K
R7297 4.7K
R7250 330
R7249 330
R7256
10K
R7255
10K
R7260
10K
R7259
10K
R7330
4.7K
R7386
10K
R7380
1
0K
R7379
1
0K
R7329
10K
R7237 220
R7263
1
K
R7376 R7377
R7286
10K
R7279
1
K
R7397 2.7K
R7394 2.7K
R7395 2.7K
R7212
1
K
R7211
1
K
R7280
1
K
R7275
4.7K
R7258
10K
R7254
10K
R7253
10K
R7252
10K
R7251
10K
R7220
1
K
R7230
220
R7229
220
R7219
1
0K
R7218
1
0K
R7210
1
K
R7209
1
K
R7206
1
K
R7205
1
K
R7204
1
K
R7284
10K
R7282
10K
R7295 4.7K
R7294 4.7K
R7293 4.7K
R7248 10K
R7247 10K
R7245 10K
R7243 10K
R7242 10K
R7240 10K
R7239 10K
R7238 220
R7236 220
R7235 220
R7234 100
R7233 100
R7232 100
R7231
100
FLAC1
FLGND FLAC2
-VP +5 V
FLOS
DDA
FLOS
DCL
OSD
C
S
DIMPW
M
REM
IN
VDDA
SUBRE
S
VDCL
VSY
N
C
SUB
S
O
MAINS
O
MAIN
SCK
SUBPOFF MAINREQ
SYNC
ISS
232R
X
232T
X
NETT
X
NETR
X
DGND
OPT
HP
D
E
T
+12V
+5.6S
V5C GND V5Y GND V-5
V5-L AG
N
D
V5
-R
VD
S
T
RZ
N
E
T
RZ
CD
RZ
PH
RZ
AM
RZ
T1
MA
INREQ
SU
BPOFF
STBY
PURE
UPS
P
L
RZ
D
V
D
LEDGRE
SYNC LEDRED
RZV1
ISS RZV5
FLRES RZV4
RZV3
RZV2
VBJ
VAJ
K3
SUBREQ
K2
MAINSCK
K1
MAINSO
S UBSO
K0
NETRX
NETTX
FL
O
S
D
D
A
F
L
OSDC
L
OSDC
S
FLCS
1
REMI
N
VDDA
VDCL
SUBR
ES
VSYN
C
232R
X
232T
X
CNVS
S
DIMP
WM
MAIN
IN
GND
NADIS-7738
TO NADG-7687 (SCH.2
㧕
TO NAPS-7708 (SCH. 8)
MODEL
NTSC
RDS
AREA1
AREA2
S
IN
VIDEO5
V
L
R
GND TXD1 RTS1 VDD CLK1 RXD1 CNVSS RESET
FLASH WRITER
NAETC-7742
NAETC-7741
NAETC-7740
HPR HPE HPL
GND
VDST
RI
+12V
GND GND
-5.6S
SUBREQ
TO NAVD-7730 (SCH.11 㧕 TO NAAF-7720 (SCH.4 㧕
RI
10K 10K
REGION DD/DC PP PA WT/WR GT
R7289 0 33K 10K 10K 10K
R7389 - 56K 33K 10K 33K
R7290 10K 0 0 0 0
R7390 10K - - - -
R7291 - - - - -
R7391 10K 10K 10K 10K 10K
R7292 10K 10K 10K 10K 10K
R7392 33K 33K 33K 33K 33K
R7393
U44
U48
U47
U46
A
1
2
3
4
5
B C D