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レシーバー Pioneer VSX-9300TXのPDF サービスマニュアルをオンラインで閲覧またはダウンロードできます。Pioneer VSX-9300TX 6 ページ。 Audio/video multi-channel receiver
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2. SCHEMATIC DIAGRAM
2.1 MAIN CONTROL ASSY(3/3)
CN601
A
52045-1145
TUNER CE
TUNER DI
TUNER CLK
TUNER DO
TG
TL
+9V
TR
VSM
FM DET
TG
TR
J
1/3
TL
J
1/3
B
R579
FURN
FURNITURE
100
R578
CN551
stby
B8B-PH-K-S
V+5_6
MRIN
GNDU
J602
C
PF10PG-B10
FV
1
FVY
2
FVC
3
SW5
SW5
4
SW4
SW4
5
SW3
SW3
6
SW2
SW2
7
OSDON
OSDON
8
MUTE
MUTE
9
R591
SDET
10
SDET
U-COMDCDET
D
J
1/3
OLDET
OLDET
R551
EXPST
100
R556
EXPCK
100
R553
10k
R554
10k
R555
10k
R561
10k
E
R531
100
EXPST
R532
100
EXPDT
R533
100
EXPCK
R536
10k
R537
10k
R538
10k
R539
10k
F
J
3/3F
4
1
2
EXPECT AWX8436
R601
TUNERCE
R602
470
TUNERDI
470
R603
TUNERCK
470
R604
TUNERDO
470
+9V
9V Reg.
2SD1858X(PQ)
Q601
R607
470
(TX)
TXD232C
RXD232C
GNDT
GNDA
232CCTS
232CDET
DTA124EUA
MR Mute
Q251
551
VEF1040
R251
MRMUTE
1k
AMUTE
FV
FVY
FVC
C505
2.2/50
R832
1k
Port Expander
IC503
BU4094BCF
1
16
STB
VDD
R557
EXPOE
2
15
OE
DATA
3
14
100
CLK
MUTE
4
13
FUNC
OSDON
5
12
EXTH
FANDRV
6
11
PHONOG
LOFAN
7
10
DSDM
TP4
Q'S'
8
9
VSS
Q'S
TP5
C540
0.01
IC502
BU4094BCF
1
16
STB
VDD
R534
EXPOE
2
15
DATA
OE
3
14
100
SW5
2296SW5
CLK
4
13
SW4
DEMSTP
2296SW4
5
12
SW3
2296SW3
DEMRST
6
11
SW2
2296SW2
MRH
7
10
TP6
NC
Q'S'
8
9
VSS
Q'S
C535
0.01
VSX-9300TX
2
3
NOTES:
• When ordering service parts, be sure to refer to "EXPLODED VIEWS
and PARTS LIST" or "PCB PARTS LIST".
• 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.
•
: The power supply is shown with the marked box.
V+12V
TUNER
C511
Q511
DTA124EUA
470/10
E
A MUTE
B
C
R511
1k
Reset
L501
2.2u
C501
stby
C
ASS7032
B
E
Q501
15.7MHz
DTC143EUA
C504
DCDET
OLDETO
C514
C538
0.01
stby
C513
220/10
R558
10k
U+5V
R559
10k
R560
10k
GNDU
C534
stby
R535
10k
R540
10k
R541
10k
R542
10k
TP7
1
3
5
7
2
4
6
Z
CN2412
3
4
U-COM
MRMU
AMU
12VTRG
12VDET
21
1394RST
22
1394CS
24
1394DO
23
1394DI
25
1394CK
GND
CMVSS
C502
I2CCK
I2CDT
0.01
XRESET
R502
Xout
0
GND
Xin
C503
5V
R505
330/10
NMI
100K
stby
WAKE UP
CMVSS
26
1394INT
XRESET
1WWUP
1W WUP
SDET
EN
DISP EN
OSDRST
OSD RST
OSDCS
OSD CS
OSD CONT
RST
DISP RST
RDY
DISP RDY
DISP/OSD CLK
DI
DISP DO
R522
DISP/OSD DI
10k
TP33
GNDA
Z
Z
CN2415
CN2414
4
GNDT
V+12V