Pioneer VSX-84TXSi Service Manual page 141

5
V+3R3UC
STBY
R591
(1/2)
Q591
STBY
(2/2) STBY
Q591 R592
STBY
0
R594
GNDD
VIDEO DECODER
V+1R8VC
IC904
MM1561JF
1
Vo Vin 7
2
NC
Sub
6
3
GND
4
Cn Cont 5
GNDD
HDMI OUT
V+5HD
L:CVBS or Y/C
H:Y/Pb/Pr
V+5A
IC601
FMS6403MTC
VSS
11
VSS
12
PR 0dB_SEL
13
Pr/ROUT
14
C/PB Pb/BOUT
15
Y/GOUT
16
CVBS/Y IN2_SEL
17
SYNC_IN
C601 18
0.1 VCC RGB_SEL
19
C602
VCC EXT_SYNC
20
100/16
GNDA
IC801
MM1623BF
C803
STBY
1
Vcc1
C804
2
C in
0.1
3
MUTE1
C805
4
V in
1
5
YC MIX
C806
6
Y in
1 C811
7
GND1
100/16
8
BIAS
C807
9
0.1 I/P
C808
10
CY in
1
11
CLP
C809
12
Cb in
0.1
13
MUTE2
C810
14
Cr in
0.1
STBY
R801
5
6
(F)
: AUDIO SIGNAL ROUTE(F)
(C)
: AUDIO SIGNAL ROUTE(C)
(S)
: AUDIO SIGNAL ROUTE(S)
(SB)
: AUDIO SIGNAL ROUTE(SB)
(D)
: AUDIO SIGNAL ROUTE(SPDIF)
L:MUTE OFF
H:MUTE ON
HDMI Rx HDMI Tx
Ucom FLASH LOGIC
V+3R3
IC901
BD7802FP
OUT IN
D901
(1SR154-400)
HDMI Rx
GNDD
HDMI Tx
V+1R8
IC902
NJM2885DL1-18
OUT IN
D902
(1SR154-400)
GNDD
VIDEO DECODER
VIDEO ENCODER
V+3R3VC
IC903
BD7802FP
OUT IN
D903
(1SR154-400)
GNDD
IC911
PQ200WNA1ZPH
3 1
VOUT VIN
4 2
ADJ VC
GND Q912
5 DTC124EUA
Q913
GNDD DTC114YUA
GNDD
VC(C'Site)
Filter Select
FSEL1 FSEL0 fc(Hz)
L L 8.2M
L H 15M
VCS(Y)
H L 32M
H H Bypass
VCS(C)
FSEL1
FSEL1
10
FSEL0
FSEL0
9
C611 C607 0.1
Pr2/R2
8
0.1
Pr1/R1
7
C606 0.1
Pb2/B2
6
C605 0.1
Pb1/B1
5
C604 0.1
Y2/G2
4
C603 0.1
Y1/G1
3
2
1
L:CVBS
H:Y
VINSEL1
V+5A
C801
100/16
28 C802
Vcc2
0.1 R811
27
DC out
26 75(F)
C out
R812
25
S1
24 75(F)
S2
R813
23
V out
22 75(F)
GND2
21
Y out
R814
20
CY out
19 75(F)
GND2
R815
18
Cb out
17 75(F)
GND2
R816
16
Cr out
15 75(F)
GND2
GNDD
6
7
AUDIO
1/2
V+5 AG
MCLKO
SCKO
VIDEO FILTER
WSO
LOGIC
VIDEO DRIVER
SD0O
V+5A V+5D
SD1O
SD2O
SD3O
SPDIFO
V+5UN
R913 STBY
R912 6.8
R911 6.8
D912 D911
1k
(1SR154-400) (1SR154-400)
Q911
2SA1576A(RS)-T
R918
10k
R919
(C'Site)
: VIDEO SIGNAL ROUTE (C'Site)
: VIDEO SIGNAL ROUTE VC(C'Site)
S(Y)
: VIDEO SIGNAL ROUTE S(Y)
S(C)
: AUDIO SIGNAL ROUTE S(C)
: AUDIO SIGNAL ROUTE VCS(Y)
: AUDIO SIGNAL ROUTE VCS(C)
C(Cr)
C(Cb)
S(C)
C(Y)
V+5A
IC602
MM1503XN C610
1
1 6
L
2 5
3 4
H
C609
1
GNDA
VC(C'Site)
VCS(Y)
VCS(C)
VC(Cb)
VSX-74TXVi
7
8
HDMI&DVC
AG
2/2
(AWQ7024)
FRONT SIDE
CN1001
CKS4668
24
HD_RST
R1011
23
HD_SCK
R1012
22
HD_DO
R1013
21
HD_DI
R1014
20
HD_REQO
R1015
19
HD_REQI R1016
18
R1017
17
16
R1018
15
14
R1019
13
R1020
12
(F)
R1021
11
(C)
R1022
10
(S)
R1023
9
(SB)
R1024
8
7
(D)
R1025
6
5
4
3
2
1
GNDD
GNDD
REAR SIDE
Chip Size
RESISTOR
: 1608 Size
CAPACITOR
: 2125 Size
: 1608 Size
C(Y)
: AUDIO SIGNAL ROUTE C(Y)
C(Cb)
: AUDIO SIGNAL ROUTE C(Cb)
C(Cr)
: AUDIO SIGNAL ROUTE C(Cr)
VC(Y)
: AUDIO SIGNAL ROUTE VC(Y)
VC(Cb)
: AUDIO SIGNAL ROUTE VC(Cb)
VC(Cr)
: AUDIO SIGNAL ROUTE VC(Cr)
FRONT SIDE
CN1002
CKS4668
(C'Site)
24
23
S(Y)
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
VC(Y)
7
6
5
4
VC(Cr) 3
2
1
R1003
0
R1004
0
REAR SIDE
GNDD GNDA
8
ASSY
A
GNDD
HDRST
HDSCK
B
HDDO
HDDI
HDREQO
HDREQI
MUTEOUT
GNDD
MCK
GNDD
SCK
WS
SD0
SD1
SD2
SD3
GNDD
SPDIF
V+5V
V+5V
GNDD
GNDD
V+5UN
C
: 2125 Size
RS1/10S~
RS1/16S~
CKSQ**~
CCSR**~
CKSR**~
D
CVBS IN
E
GNDA
CVBS OUT
GNDA
SY IN
GNDA
SC IN
GNDA
SY OUT
GNDA
SC OUT
GNDA
Y IN
GNDA
Cb IN
GNDA
Cr IN
GNDA
Y OUT
GNDA
Cb OUT
GNDA
Cr OUT
GNDA
F
AG
2/2
95