VSX-74TXVi
76
1
2
3
4
1
2
3
4
C
D
F
A
B
E
3.26 POWER AMP R ASSY
DC
OL
WT
DC_DET
PRT
CE
CE
CB
CE
bb
b
AGC
D
C
D
D
CHASSIS
STBY
AMUTE
VH+
VH-
VH-
SBMUTE
DC
WT
AGSBR
SBR
AGR
R
AGRS
RS
NC
WT
DC DET
OL DET
NC
GNDU
POSI_2
POSI_2
NC
NC
POSI_1
SBR
(1/2W)
D5502-D5504 : 1SS355
D
RS
D
D
(1/2W)
D
D5402-D5404 : 1SS355
D
D
POSI_1
R
PTFM04BC
222Q2N34B0
(110 )
(1/2W)
D5302-D5304 : 1SS355
CN5303
C5527
C5503
C5517
R5531 R5530
C5522
R5506
R5505
C5504
R5622
C5515 C5516
R5529
R5512
C5532
Q5505
R5532
C5524
C5365
KN5362
R5364
C5362
KN5361
R5362
C5363
R5363
R5361
C5361
CN5301
CN5302
W5398
W5399
R5504
Q5501
R5501
R5503
C5502
C5501
R5502
Q5502
Q5502
C5521
C5505
R5508
C5506
Q5503
R5507
C5507
D5504
C5508
D5506
C5509
R5509
D5505
D5503
D5502
Q5504
R5511
D5501
R5510
C5523
C5427
C5417
R5431 R5430
C5422
R5405
R5406
C5403
R5404
Q5401
R5403
C5402
C5404
Q5402
R5401
C5401
R5402
Q5402
C5405
R5408
C5406
C5415 C5416
R5429
R5412
C5432
C5424
Q5405
R5432
D5404
C5408
C5409
D5406
R5409
D5405
D5403
C5421
C5407
Q5403
R5407
C5327
C5317
R5331R5330
C5303
C5302
R5303
C5322
R5305
R5306
C5304
D5402
Q5404
R5411
D5401
R5410
C5423
C5315 C5316
R5329
R5312
C5332
Q5305
R5332
D5304
C5324
TH5301
R5304
Q5301
R5301
R5302
C5301
Q5302
Q5302
C5305
R5308
C5306
C5321
Q5303
R5307
C5307
C5308
C5309
D5306
D5305
R5309
D5302
Q5304
D5303
R5311
D5301
R5310
C5323
3
1
4
2
7
5
6
12
13
11
9
10
3
2
4
5
6
7
8
1
1
2
4
3
5
6
8
11
9
10
7
KM250NA7L
330/10
1k
150
STBY
STBY
stby
1.5k
820
1000p
100
22p
22p
(1/10W)
33k
220
2SC2705(OY)
0.22
µ
10/63
150
XKP3077
VH-
VH+
XKP3076
10k
2SD2704K
4.7/50
1k
33k
220p
220
CH
IMT4
IMT4
stby
stby
6.8k
2SA1514K(RS)
stby
2.0k F
STBY
4p/200V
ACG7057
2SA1145(OY)
UDZS4R7(B)
47k
10/100
UDZS4R7(B)
100/10
UDZS3R6(B)
RN,D
1.2k
150
22p
22p
10/63
330/10
150
1k
stby
1.5k
820
STBY
10k
2SD2704K
33k
220p
CH
1000p
IMT4
IMT4
4.7/50
1k
220
stby
stby
6.8k
(1/10W)
33k
220
0.22
µ
10/63
2SC2705(OY)
4p/200V
ACG7057
150
UDZS4R7(B)
2SA1145(OY)
47k
10/100
UDZS4R7(B)
stby
2.0k F
2SA1514K(RS)
STBY
330/10 150
1k
10k
STBY
33k
220p
stby
820
1.5k
1000p
100/10
UDZS3R6(B)
RN,D
1.2k
150
10/63
22p
22p
(1/10W)
33k
220
2SC2705(OY)
0.22
µ
10/63
150
2SD2704K
1k
4.7/50
CH
220
IMT4
IMT4
stby
stby
6.8k
2SA1514K(RS)
stby
2.0k F
4p/200V
ACG7057
2SA1145(OY)
10/100
UDZS4R7(B)
UDZS4R7(B)
47k
100/10
UDZS3R6(B)
RN,D
1.2k
150
10/63
Do not touch any part of the equipment other than
CP
with
an oscilloscope/tester while power is applied.
(It may damage the amplifier due to the oscillation generated.)
R
: AUDIO SIGNAL ROUTE(C)
(C)
(C)
(C)
(C)
(C)
CN5702
P
CN5602
O
CN5606
O
CP
CP
CP
CP
CP
CP
CP
CP
CP
CP
CP
CP