Pioneer VSX-1014-TX Schematic
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2004
http://receiverfaq.ru/
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
LISTENING MODE
SELECT
STANDBY/ON
ENTER
MULTI JOG
DVD/LD TV/SAT DVR/VCR VIDEO1
CD-R/
TUNERVIDEO2
CD
TAPE/MD
MASTER VOLUME
VSX-52TX
ORDER NO.
RRV2977
VSX-52TX
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-52TX
VSX-1014TX-K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model Type Power Requirement Remarks
VSX-52TX KUXJ/CA AC120V
VSX-1014TX-K KUXJC AC120V
For details, refer to "Important symbols for good services".
T-ZZR JUNE 2004 printed in Japan
1234
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
3.1.1 AUDIO SECTION
A
G
OPTICAL-IN ASSY
B
I
FRONT-IN ASSY
AC
REAR TOP ASSY
C
D
FRONT-IN
J
CONNECT ASSY
MULTI CH
A
I/O ASSY
E
B
AUDIO CONNECT ASSY
F
18
1234
VSX-52TX
5678
A
()
M
M
DSP ASSY
M1/2 - 2/2
TRANS SIDE
AD
ASSY
REGULATOR ASSY
W
AB
PS/SP ASSY
()
L
L L1/3 - 3/3
MAIN CONTROL ASSY
HEADPHONE ASSY
H
B
C
POWER AMP
Q
IN ASSY
S
POWER AMP_L ASSY
POWER
U
AMP-R ASSY
D
E
F
56
VSX-52TX
19
7
8
1234
3.1.2 VIDEO and DISPLAY SECTIONS
Video Block
A
B
C
J
FRONT-IN
CONNECT
D
ASSY
E
F
701
DVD/LD
701
TV/SAT
702
DVR/VCR
703(1/2)
VIDEO1
FRONT-IN
I
ASSY
JA3352
VIDEO
JA3352
S-VIDEO
CN811
DVD/LD
CN811
TV/SAT
CN812(1/3)
DVR/VCR
CN812(2/3)
VIDEO1
VSX-52TX
ONLY
(1/2)
(2/2)
(2/2)
C
COMPOSITE ASSY
REGULATOR
W
ASSY
(3/5)
(2/5)
(1/3)
(2/3)
Y
C
CN3351 CN2515
CN3341 CN115
Y
C
Y
C
Y
C
Y
C
FV
FV-Y
FV-C
91011
FV
FV-Y
FV-C
91011
()
L
L L1/3- 3/3
IC721 NJM2279M
MULTI ROOM Selector
1
3
12
IC701
NJM2595M
7
5
13
9
3
COMPOSITE
Selector
CN3342 CN107
FV
3
13
FV-Y
22
14
FV-C
1
15
IC801
NJM2595M
7
5
13
9
3
Y Selector
IC802
NJM2595M
7
5
13
9
3
C Selector
IC851
PDC084B
CVOUT
OSD
MR OUT
10
-6dB & BUFFER
1
15
12
CN701
FV
2
CN2501
CN2502
13
14 16
FV
FV-Y
FV-C
11
10 8
MAIN ASSY
CN801
(1/2)
IC831
TK15420M
3
1
-6dB
15
5
-6dB
1
15
IC831
TK15420M
Q852
13
14
11
5
2
4
MXV
10 8 6 4
CN751
OSD
10
OSD
14 12 6 4 10 8
14
CN892
OSD
CN851
24
OSD
IC871(2/2)
TK15420M
IC881
LA7213
1
TC74HC4052AF
OSD Selector
864
Q731
OSD
DVR OUT
15
17
1
3
1
Q871
Y INVERT Y/C MIX
2167
IC871
(1/2)
TK15420M
Q872
7
(2/2)
S-SYNC DET
IC741
MM1093NF
CIN CKIN
1
16
CIN
CLK
GENERATE
IC731
13
3
UCY
UCC
MXV
CN891
UCY
UCC
MXV
UCY
UCC
MXV
10 12 6 8
UCC
MXV
OUTY
OUTC
UCY
OUTY
OUTC
DVR OUT(Y)
DVR OUT(C)
TC90A49F
15
7
Q743
5
AIN
Y/C
SEPARATE
(1/2)
IC732
TK15420M
7
LPF(Chroma)
IC732
TK15420M
+6 dB AMP
or BUFFER
(1/2)
IC842
TK15420M
3
1 +6 dB AMP
57
IC842
(2/2)
TK15420M
IC841
TC74HC4052AF
15
14
11
2
5
OSD SW
S-VIDEO ASSY
D
IC742
24
20
UCY
UCC
Q745
6
Q744
31
(2/2)
E
VIDEO SIDE ASSY
OUTC
1
OUTY
3
CN893
or BUFFER
+6 dB AMP
or BUFFER
Y SW
13
13
C SW
3
Y
C
Y
C
JA721
JA721
MR OUT
MR OUT
VSX-52TX
ONLY
(2/2)
703
MONITOR
OUT
702(1/2)
DVR
OUT
CN812
MONITOR
OUT
OUT
CN811
DVR/VCR
(3/3)
(3/3)
20
VSX-52TX
1234
5678
Display/SR Block
A
VOLUME
N
ASSY
O
VSX-52TX
ONLY
Q3004(1/2)
REMOTE
RECEIVER
DISPLAY
ASSY
TC7W53FU
Q3004(2/2)
IC3002
UNIT
CN3001
CN101
CN5051
OUTC
1
OUTY
3
IC3003
IR SW
6
7
RMC
SRIN
12 13 21
14
13 15
IC842
TK15420M
5
IC842(1/2)
TK15420M
3
1
SROUT
(1/2)
BUFFER
38 39
MRIN
MRIN
7
1
BUFFER
V3001
FL Display
IC3001
PE5403A
Display U-COM
SRIN
D3005
D3004
Q3001
Q3002
6
40
8
IC5022
TA1270BF
Chroma
Decoder
22 21
3002 3251
3001
Control Signal
15
47
48
26
27
20
P
MULTI JOG
ASSY
3201
IC501
PD5957A8
(PD5956A)
MAIN U-COM
31 32
REAR TOP ASSY
AC
2
3
6
4
S3251
4
RMCRMC
SRINSRIN
TXDTXD
RXD
SROUT
CN951
15 16
12
13
2
1112
14
11 10 12 9 8
RXD
SROUT
MRIN
CN108
77
MRIN
2
2
VSX-52TX
S3201
CN104
()
L
L L1/3- 3/3
MAIN ASSY
IC504
TC74VHCT
125AFT
SR+/232C SW
3
12V
K
TRIGGER
ASSY
CN982
ONLY
JA951
SR IN
JA952
SR OUT
JA982
IR IN
JA983
IR OUT
B
C
D
JA5001
COMPONENT
IN1
JA5002
COMPONENT
IN2
Y
Cb
Cr
Y
Cb
Cr
IC5051(2/2)
TK15420M
5
3
5
BUFFER
7
IC5052(1/2)
TK15420M
BUFFER
1
7
IC5052
(2/2)
TK15420M
BUFFER
UCYY
CB1
CB2
UCCB
CR1
CR2
UCCR
Y1
Y2
NJM2586M
1
3
5
8
10
12
17
15
13
COMPONENT
IC5001
Selector
VSX-52TX
56
Y-SW
Cb-SW
Cr-SW
7
F
COMPONENT
ASSY
24
22
20
JA5003
Y
Cb
Cr
OUT
COMPONENT
8
E
F
21
1234
3.1.3 DSP SECTION
A
DSP Block
()
M
M
M1/2 - 2/2
DSP ASSY
B
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
LISTENING MODE
SELECT
STANDBY/ON
ENTER
MULTI JOG
DVD/LD TV/SAT DVR/VCR VIDEO1
CD-R/
TUNER VIDEO2
CD
TAPE/MD
MASTER VOLUME
VSX-52TX
C
D
E
F
22
VSX-52TX
1234
5678
A
B
C
D
E
56
VSX-52TX
F
23
7
8
1234
3.1.4 POWER SUPPLY SECTION
Power Supply Block
A
AB
PS/SP ASSY
POWER AMP-L
S
ASSY
41112
PRIMARY
AF
D1001
D2201
ASSY
IC1001
NJM78M56FA
REG.
V-12A
33
CN1002 CN2003
Y9
Y10
+C
6
-VH
4
-C
1
-VH
3
CN2205
5
4
1
CN2201
T1001
W1006
FU1
LIVE
B
NEUTRAL
1
2
CN1001
C
TRANS 1
AE
ASSY
RY1001
Y14 Y15
4
3
1
IC2201
8
11
12
13
IC2202
10
TRANS 2-1
X
ASSY
V+12A
+VL
Y11 Y12
D2241 D2242
Q2234
6
REG.
4
1
REG.
3
2205
Q2233
V-12A
+VH
-VH
V-12A
VSX-52TX
ONLY
D2534, D2535
CN2004
-VL
N
DIODE ASSY
AA
VH TR ASSY
2001
1
4
1
3
CN2002
VL+
VH+
Y5
VL-
1
234
13 12 11 10
POWER AMP IN ASSY
4001
1
2
5
CN4501
CN4001
+VH
-VH
V-12A
Q
REGULATOR
W
ASSY
+VL
-VL
VH-
IC2501
NJM78M12FA
REG.
IC2502
NJM79M12FA
REG.
D
IC2251
IC2252
IC2253
C2215 D2217
NP
D2216
REG V
1
REG VG
2
REG V
3
REG D
4
REG D
5
AC1
6
AC2
7
2250
-VF
REG B
G REG
REG B
REG V
REG VG
REG V
REG D
REG D
AC1
AC2
4
3
2
1
2502
1
2
3
4
5
6
7
4
+
C2216
1
2
3
4
5
6
7
CN2302 CN2505
3
2
1
CN2202
1
2
3
4
5
6
7
2303
D2501
D2504
2503 2504
3
4
5
FU4
14
15
FU5
16
23
24
25
26
E
27
28
29
TRANS 2-2
Y
ASSY
++
C2536
C2537
D2527D2529
D2533
D2528
D2532
3
4
5
FU2501
FU2502
D2521
NJM78M05FA
NJM78M05FA
C2217, C2518 D2515
D2514NPC2529
IC2504
NJM79M05FA
REG.
D2507
IC2503
NJM78M56FA
REG.
IC2506
REG.
IC2507
REG.
+
V+5AD
V+5D
F
TRANS SIDE
AD
ASSY
24
VSX-52TX
1234
5678
U
V+5.6ST
V+12A
V-12A
VH+
VH-
12 11 10
13
1 234
CN2514
CN2515
CN2504
CN2503
CN2502
CN2501 CN701
POWER AMP-R
ASSY
MULTI CH I/O
A
ASSY
VL+
Y6
VL-
CN4551
CN4002
CN4003
4
V-12A
AUDIO
B
CONNECT ASSY
V+12T
2
V+12A
6
V-12A
8
V+5.6U
5
V+5AD
1
17
18
19
20
V+5D
4
12V TRIGGER
K
ASSY
V+12TR
1
V+9V
35
V+5.6V
4
V-5.6V
7
V+5.6V
11
V-5.6V
14
V+5.6V
68
V-5.6V
3
V-12A
CN602 CN601
CN904
CN905
V-12A
15
CN902 CN901
CN114
2
6
8
5
1
CN115
7
6
5
4
20
V+12TR
CN981
1
CN5001
4
1
F
COMPONENT ASSY
CN801
7
4
S-VIDEO ASSY
11
COMPOSITE-V ASSY
V+7A
V-7A
CN903
R441
D443
19 18
V+7A
56
19 18
V-7A
CN102
R442
V+7A
19
356
5
17
CN103
V-12A
VSX-52TX
G
V+9V
V+5_6V
V-5_6V
V+5_6V
V-5_6V
D
V+5_6V
V-5_6V
C
V+5D
CN901
CN2524
REAR TOP ASSY
AC
CN955
9
2
1
12
D444
V-7A
11 4 23
12 13 20
V+12A
V+5D
CN952 CN951
CN105
OPTICAL-IN
R181
113
Q951
REG.
CN104
CN954
()
L
V+5_6ST
V+2_5A
R182
ASSY
CN961
9
91011
CN601 CN551
V3D
IC901
NJM2391
DL1-33
REG. REG.
V+5AD
IC902
LM1117DT
-ADJ
V1R2
TUNER
MODULE
V+9T
75
CN1
L L1/3- 3/3
-VF
AC2
M
()
M M1/2- 2/2
89
89
12 15
12 15
DSP ASSY
CN111
V+2_5A
1
6
2
1
18
-VF
AC2
AC1
3
AC1
MAIN
ASSY
CN2525CN2511
DISPLAY
O
ASSY
AC1
-VF
231617
1
25 24 11 10
26
-VF
FRONT-IN
CONNECT
ASSY
14 13 12 6 45
15
23
1
V-12A
223
1
V+5_6U
AC2 V+5_6ST
AC2
CN107
V+5_6U
8
8
AC1
CN3342
J
324
CN3341
CN3351
3
V+7A
V-7A
I
4101112
4051CN113
V+5D
FRONT-IN
ASSY
V+
12A
CN3001
CN101
4121
15
V-7A
V+7A
V+5D
24
CN106
CN4053
R
POWER
PROTECT ASSY
V+
5_6U
A
B
C
D
E
56
VSX-52TX
F
25
7
8
1234
3.2 OVERALL WIRING DIAGRAM
A
N
VOLUME ASSY
(AWX8378)
J
FRONT-IN CONNECT
ASSY (AWX8416)
O
DISPLAY ASSY
(VSX-52TX : AWX8377)
(VSX-1014TX-K : AWX8389)
P
MULTI JOG ASSY
(AWX8379)
B
I
FRONT-IN ASSY
(AWX8381)
C
D
REGULATOR ASSY
(VSX-52TX : AWX8364)
(VSX-1014TX-K : AWX8367)
W
M 1/2, M 2/2
POSI 1 R ASSY
(AWX8426)
V
B
AUDIO CONNECT
ASSY
(AWX8382)
R
POWER PROTECT ASSY
(AWX8406)
U
POWER AMP-R ASSY
(AWX8404)
COMPOSITE V ASSY
(VSX-52TX : AWX8353)
(VSX-1014TX-K : AWX8362)
M
DSP ASSY (AWX8414)
E
F
26
G
OPTICAL-IN ASSY
(AWX8394)
1234
L 1/3 - L 3/3
L
MAIN CONTROL ASSY
(VSX-52TX : AWX8343)
(VSX-1014TX-K : AWX8348)
AC
VSX-52TX
A
MULTI CH I/O ASSY
(VSX-52TX : AWX8410)
(VSX-1014TX-K : AWX8352)
REAR TOP ASSY
(AWX8397)
C
D
S VIDEO ASSY
(AWX8361)
FM/AM TUNER
UNIT
(AXX7172)
5678
÷
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.
A
H
HEADPHONE ASSY
(AWX8380)
POSI 1 L ASSY
(AWX8427)
T
S
POWER AMP-L ASSY
(AWX8409)
Q
POWER AMP IN ASSY
(AWX8405)
Y
TRANS 2-2 ASSY
(AWX8371)
TRANS SIDE ASSY
(AWX8417)
POWER TRANSFORMER
AD
T1501
ATS7374
TRANS 2-1 ASSY
(AWX8372)
AE
X
TRANS 1 ASSY
(AWX8383)
AA
VH TR ASSY
(AWX8411)
PRIMARY ASSY
(AWX8384)
AF
B
C
DIODE ASSY
(AWX8376)
Z
D
F
COMPONENT ASSY
(AWX8358)
VIDEO SIDE
ASSY
E
(AWX8366)
56
K
12V TRIGGER
ASSY
(AWX8395)
VSX-52TX
ONLY
VSX-52TX
7
AB
SP/PS ASSY
(AWX8373)
POWER CABLE
VDG1075
(ADG7024)
8
E
F
27
1234
3.3 MULTI CH I/O and AUDIO CONNECT ASSYS
A
OUT
SUB W.
CENTER
L
R
L
R
MULTI ROOM
& SOURCE
B
FRONT
VSX-52TX
ONLY
C
D
E
PRE OUT
SURROUND
SURROUND
BACK
FRONT
SURROUND
MULTI CH IN
L
R
L
R
FL
L
R
L
R
SUB W.
F
CENTER
A
28
1234
VSX-52TX
5678
MULTI CH I/O ASSY
A
(VSX-52TX : AWX8410)
(VSX-1014TX-K : AWX8352)
AUDIO CONNECT ASSY (AWX8382)
B
Q
CN4003
A
B
C
(FL)
CN103
F
L 2/3
D
E
CN102
L 2/3
(LS)
(MR)
: AUDIO SIGNAL ROUTE (MULTI-ROOM Lch)
(FL)
: AUDIO SIGNAL ROUTE (FRONT Lch)
56
VSX-52TX
: AUDIO SIGNAL ROUTE (SURROUND Lch)
(SBL)
: AUDIO SIGNAL ROUTE (SURROUND BACK Lch)
(C)
: AUDIO SIGNAL ROUTE (CENTER ch)
F
A B
29
7
8
1234
3.4 COMPOSITE V ASSY
A
DVR/VCR
IN
VIDEO1
IN
VIDEO
B
DVD/LD
IN
TV/SAT
IN
C
D
ASS1091
33uF
E
F
CN2501
W
30
C
VSX-52TX
1234
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