Pioneer VSX-84TXSi Service Manual page 93

5
C1(Y)
: VIDEO SIGNAL ROUTE C1(Y)
C1(Cb)
: VIDEO SIGNAL ROUTE C1(Cb)
C1(Cr)
: VIDEO SIGNAL ROUTE C1(Cr)
C2(Y)
: VIDEO SIGNAL ROUTE C2(Y)
C2(Cb)
: VIDEO SIGNAL ROUTE C2(Cb)
C2(Cr)
: VIDEO SIGNAL ROUTE C2(Cr)
C3(Y)
: VIDEO SIGNAL ROUTE C3(Y)
C3(Cb)
: VIDEO SIGNAL ROUTE C3(Cb)
C3(Cr)
: VIDEO SIGNAL ROUTE C3(Cr)
V+3C
C(Y)
VC(Y)
Y
INPUT/VC
Cb SELECT
Cr
C(Cb)
V-3C
C(Cr)
The mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts
of identical designation.
5
6
MR(C'Site)
: VIDEO SIGNAL ROUTE MR(C'Site)
F(C'Site)
: VIDEO SIGNAL ROUTE F(C'Site)
FS(C)
: VIDEO SIGNAL ROUTE FS(C)
FS(Y)
: VIDEO SIGNAL ROUTE FS(Y)
C(Y)
: VIDEO SIGNAL ROUTE C(Y)
C(Cb)
: VIDEO SIGNAL ROUTE C(Cb)
C(Cr)
: VIDEO SIGNAL ROUTE C(Cr)
VC(Cr)
: VIDEO SIGNAL ROUTE VC(Cr)
VC(Cb)
: VIDEO SIGNAL ROUTE VC(Cb)
VC(Y)
: VIDEO SIGNAL ROUTE VC(Y)
C2424 100/10
C(Y)
C2421 STBY
C2425 100/10
C(Cb)
C2422 STBY
C2426 100/10
C(Cr)
C2423 STBY
VSX-74TXVi
6
7
COMPONENT & VOL ASSY
K
3/4
(VSX-74TXVi:AWQ7028)
(VSX-72TXV:AWQ7030)
V+5C
C2432 C2431
100/10 100/10
V-5C C2428 0.1 C2427 0.1
IC2405
C(Y)
1 14
VIN1
V+1
Y
2 13
VEE1
BIAS +6dB
3 12
VIN2 V+2
C(Y)
Cb
4 11
C(Cb) VEE2 VOUT2
BIAS +6dB
5 10
VIN3 V+3
Cr
6 9
VEE3 VOUT3
+6dB
BIAS
7 8
GND
Powersave
C(Cr)
NJM2581M
GCV
MR(C'Site)
V+5_6C
GCV
V-5_6C
7
8
COMPONENT OUT
Y
R2439
2 JA2401
XKB3053
75
3
(4/6)
Cb
R2440
JA2401
5
XKB3053
75
C(Cb)
6
(5/6)
C(Cr)
Cr
JA2401
R2441
XKB3053
8
75
(6/6)
9
C2474
STBY
C2456
10
0.01
JA2401
XKB3053
GCC
GCV
(CHASSIS)
(input side)
JA2403
R2433
1 AKB7175
MR OUT
75
2
C2473
STBY
C2457
0.01
3
C2458
STBY
C2459
GCC
(CHASSIS)
STBY
GNDM
GCV
V+5C
V+3C
Q2407
2SC4081A(RS)
Q2408
2SA1576A(RS)
V-3C
V-5C
K
3/4
8
A
B
C
D
E
F
47