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ORDER NO.
PIONEER ELECTRONIC CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V . Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00 Wheelock Place, Singapore 238880
PIONEER ELECTRONIC CORPORATION 1998
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
RRV1976
VSX-D307
1. CONTRAST OF MISCELLANEOUS PARTS ..... 2
2. SCHEMATIC DIAGRAM ..................................... 4
CONTENTS
T­ZZM MAY 1998 Printed in Japan
¶ Refer to the service manual RRV1925 for VSX-D307/KUXJI.
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
VSX-D307
Type
Power Requirement
The voltage can be converted by
the following method.
AC110V/120­127V/220V/240V
With the voltage selector
SDXJI
SDXJI/NC
AC110V/120­127V/220V/240V
With the voltage selector

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VSX-D307
2
1. CONTRAST OF MISCELLANEOUS PARTS
Reference Nos. indicate the pages and Nos. in the service manual for the base model.
CONTRAST TABLE
VSX-D307/SDXJI,/SDXJI/NC and VSX-D307/KUXJI are constructed the same except for the following :
Parts marked by "NSP" are generally unavailable because they are not in our Master Spare 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.
When ordering resistors, first convert resistance values into code form as shown in the following examples.
Ex.1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by J=5%,
and K=10%).
Ex.2 When there are 3 effective digits (such as in high precision metal film resistors).
561
473
R50
1R0
5621
NOTES:
560
47k
0.5
1
RD1/4PU
J
RD1/4PU
J
RN2H
K
RS1P
K
56 x 101
47 x 103
R50
1R0
561
473
5.62k
RN1/4PC
F
562 x 101
5621
.
o
N
.
f
e
Rk
r
a
Mn
o
i
t
p
i
r
c
s
e
D
d
n
a
l
o
b
m
y
S
.
o
N
t
r
a
P
s
k
r
a
m
e
R
7
0
3
D
-
X
S
V
I
J
X
U
K
/
7
0
3
D
-
X
S
V
I
J
X
D
S
/
7
0
3
D
-
X
S
V
C
N
/
I
J
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D
S
/
S
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L
B
M
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S
S
A
P
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Ny
s
s
A
X
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L
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M
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C5
2
4
7
K
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A7
2
4
7
K
W
A7
2
4
7
K
W
A
7
-
5
Py
s
s
A
Y
R
A
M
I
R
P7
6
0
7
X
W
A3
7
0
7
X
W
A3
7
0
7
X
W
A
1
-
6
Py
s
s
A
T
N
O
R
F2
6
0
7
X
W
A5
7
0
7
X
W
A5
7
0
7
X
W
A
9
-
5
Pt
i
n
U
R
E
N
U
T
M
A
/
M
F6
4
0
7
X
X
A7
4
0
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X
A7
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0
7
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Note:
÷ The numbers in the remarks column correspond to the numbers on "EXPLOEDED VIEWS".
÷ For ASSEMBLIES, refer to "CONTRAST OF PCB ASSEMBLIES" and "2. SCHEMATIC DIAGRAM".

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VSX-D307
3
EXPLODED VIEWS
÷ EXTERIOR SECTION
BBZ30P080FZK
BBZ30P080FZK
1
Rear Panel
Cord Stopper
AC Power Cord
Fuse(FU1)
PRIMARY ASSY
Fuse(FU2)
5
4
3
BBZ30P080FZK
2
CONTRAST OF PCB ASSEMBLIES
AWK7427 and AWK7425 are constructed the same except for the following :
÷ COMPLEX ASSY
AWX7075 and AWX7062 are constructed the same except for the following :
FRONT ASSY
AWX7073 and AWX7067 are constructed the same except for the following :
PRIMARY ASSY
k
r
a
Mn
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t
p
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P
s
k
r
a
m
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R
5
2
4
7
K
W
A7
2
4
7
K
W
A
Y
S
S
A
T
N
O
R
F2
6
0
7
X
W
A5
7
0
7
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A
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S
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A
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R
A
M
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P7
6
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)
1
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B
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1
1
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2
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K
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M
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2
1
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)
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1
(0
8
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m
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n
a
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1
0
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T3
2
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9
1
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a
n
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m
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3d
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s
u
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8
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K
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t
a
l
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d
n
u
o
r
G
3
0
91
9
0
-
F
N
Vd
e
s
u
t
o
N

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VSX-D307
4
A
B
C
D
1
23
4
12
3
4
G
· NOTE FOR FUSE REPLACEMENT
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.
REPLACE WITH SAME TYPE AND RATINGS ONLY.
CAUTION -
AC
POWER
CORD
RY901:
POWER RELAY
Y10 (YJ6HW2-20-35/35)
Y11 (YJ6HW4-20-35/35)
Y12 (YJ6HW1-20-35/35)
VOLTAGE SELECTOR
AKX1004
CN951
POWER
TRANSFORMER
ATS7206
VOLTAGE SELECTOR
AKX-507
0 V
10V
120V
120V
110V
0 V
0 V
Y13 (YJ6HW2-25-35/35)
Y9 (YJ6HW1-25-35/35)
Y3 (YJ6HW6-25-35/35)
Y7 (YJ6HW0-20-35/35)
Y4 (YJ6HW9-20-35/35)
Y8 (YJ6HW2-20-35/35)
Y6 (YJ6HW8-20-35/35)
Y5 (YJ6HW4-20-35/35)
FU1
10A
FU2
4A
FU3
4A
2. SCHEMATIC DIAGRAM
2.1 FRONT ASSY
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS
and PARTS LIST" or "PCB PARTS LIST".
FRONT ASSY (AWX7075)
÷The differences of adjacencies to Key switches
R541
1K
D515
1SS254
PRIMARY ASSY (AWX7073)
2.2 PRIMARY ASSY