Onkyo TX-SR702

TX-SR702/E
SCHEMATIC DIAGRAM 1 Preamplifier section
DAC_FR
DAC_FL
DAC_SBR
DAC_SBL
+12VA
-12VA
GND
FANH
SBR_VO
CT_VO
SL_VO
SR_VO
SBL_VO
+5VDSP
SPRLF SPRLCS SPRLSB Z2LPMUTD SBZ2MUTD FANH VPOWER SYSIN THERMAL FANCTR SPRLZ2 AMUTD PROTECT
SYSIN
FANCTR
+56S
TRG12V
+13S SEC1H
FL_PO FR_PO SBL_PO SBR_PO CT_PO SL_PO SR_PO
TRG12V
GND
+24V
-24V
+56S
DAC_CT
DAC_SL
DAC_SW
DAC_SR
MCT
MSL
MSR
MSW
VPOWER
AMUTD
SBZ2MUTD
Z2LPMUTD
THERMAL SPRLCS PROTECT SPRLF VOLH SPRLSB SPRLZ2 SEC1H APOWER VOLH DSPBUSY VIDEO+5V VIDEO-5V +12VA -12VA
FL_VO
FR_VO
DSP Section
FAN
PURE AUDIO
SCH. 2
ZONE2
LINE/PREOUT
SCH. 2 DSP Section
RI
TO NAAF-8383 (SCH. 3)
TO NAPS-8389 (SCH. 6)
TO NAPS-8389 (SCH. 6)
R403
270
R411
100
R404
270
R409
100
R402
270
R410
100
D902
1SS352
C908
104Z
R401
270
C906
104Z
D901
1SS352
104Z
C389
221J
R385
47K
R386
1.2K
R387
15K
C388
10/16
+
R425
0
R412
100
R435
0
R436
0
Q910
79M05FA
3
O
2
I
1
G
R902
56
Q902
79M12HF
3
O
2
I
1
G
R908
47K
R903
0
C992
100/35
+
C991
100/35
+
D991
UDZS13B
Q901
78M12HF
3
O
2
G
1
I
Q992
RN1404
Q991
RN1404
Q402
RN1441
Q404
RN1441
Q406
RN1441
Q407
RN1441
Q408
RN1441
R480
0
R479
0
R962
100_1/2W
R963
4.7_1/2W
C911
10/16
+
C912
10/16
+
C907
10/16
+
C909
10/16
+
C904
10/16
+
C905
10/16
+
R907
47K
Q908
RN2402
Q907
RN1402
C443
102J
C444
102J
C450
104Z
R350
330
R349
330
R498
100k
R428
100k
R427
100k
R407
270
R415
100
R408
270
R416
100
Q413
RN1441
Q414
RN1441
Q415
RN1441
Q416
RN1441
R405
270
R406
270
R414
100
R413
100
Q409
RN1441
Q410
RN1441
Q411
RN1441
Q412
RN1441
R426
0
E301
1
E302
1
E300
1 2 3 4
P422
4
2
1
3
R909
1K
R910
18K
R905
0
P6931B
11 10
9 8 7 6 5 4 3 2 1
R499
330
P424
JL9502B
1
2
3
4
5
6
7
P353A
1 2 3 4 5 6 7 8 9
10 11 12 13
104Z
P354A
14 13 12 11 10
9 8 7 6 5 4 3 2 1
R388
10K
Q307:A
NJM4565M-D
6
5
4
7
8
R961
1.2K_2W
C402
47/16
+
C403
47/16
+
C404
47/16
+
C405
47/16
+
C407
47/16
+
C406
47/16
+
C408
1
00/
1
6
+
C401
47/16
+
Q401
RN1441
R417
22k
Q403
RN1441
R418
22k
Q405
RN1441
R419
22k
R420
22k
R421
22k
R422
22k
R423
22k
R424
22k
C439
4.7/50
+
C440
4.7/50
+
Q429
RN1441
R489
2.2K
R490
2.2K
R487
22K
R488
22K
R485
2.2K
R486
2.2K
Q427
RN1441
R460
0
R459
0
R461
0
R462
0
P308
1
2
3
4
5
6
7
8
9
10
11
12
Q901B
hs
Val
1
C902
22/35
+
C901
223Z
Q905
Q906
P961
2
1
Q993
2SD2394-F
R901
12
R906
100 2W
C390
103J
Q903
78L05HF
1
O
2
G
3
I
Q911
78L05HF
1
O
2
G
3
I
Q904
2SA1726
R904
33
R913
33
Q909
2SA1726
C391
103J
U1
A
1
2
3
4
5
BCD