Pioneer VSX-4500S User manual

Q) PIONEER’
The future of sound and vision.
Service
ORDER NO.
ARP1867
AUDIO/VIDEO STEREO RECEIVER
VSX-4400
e This manual is applicable to the VSX-4500S/KUC and VSX-4400/KUC types.
CONTENTS
1. SAFETY INFORMATION -ccccceccretc cee cete eee eeeeeee 2 7. ADJUSTMENTS cocccrcrcetcrte eet e erence tence a fetes 32
2. EXPLODED VIEWS AND PARTS LIST --------- 3 8B. IC INFORMATION -ccecceccecceersee eee re eeteees eneee 35
3. PRECAUTIONS ON SERVICE +--+: 6 9. REMOTE CONTROL UNIT {(AXD1104) «+ --° 38
4. SCHEMATIC DIAGRAM 3-veeeeercccc eet te tere eeee eens 7 10. PANEL FACILITIES vocrccerccettec ete e eee ee eree eres 43
5. P.C.,BOARDS CONNECTION DIAGRAM-:------- 15 11. SPECIFICATIONS v+--s:terecereerteete etter tees 49
6. ELECTRICAL PARTS LIST ------eeeeecereeee rete ee ees 27
PIONEER ELECTRONIC CORPORATION = 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. P.O. Box 1760, Long Beach, California 90801 U.S.A.
PIONEER ELECTRONICS OF CANADA, INC. 505 Cochrane Drive, Markham, Ontario L3R 8E3 Canada
PIONEER ELECTRONIC [EUROPE] N.V. Keetberglaan 1, 2740 Beveren, Belgium
PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-184 Boundary Road, Braeside, Victoria 3195, Australia TEL: [03] 580-9911.
© PIONEER ELECTRONIC CORPORATION 1989 SA AG adie GAL ah Ta

Wi-> Gls i-le]e)— ef -T. tale
1. SAFETY INFORMATION
1. SAFETY PRECAUTIONS
The
following
check
should
be
performed
for
the
ANY
MEASUREMENTS
NOT
WITHIN
THE
LIMITS
continued
protection
of
the
customer
and
service
tech-
OUTLINED
ABOVE
ARE
INDICATIVE
OF
A
PO-
nician. TENTIAL SHOCK HAZARD AND MUST BE COR-
LEAKAGE
CURRENT
CHECK
RECTED
BEFORE
RETURNING
THE
APPLIANCE
Measure leakage current to a known earth ground TO THE CUSTOMER.
(water pipe, conduit, etc.) by connecting a leakage current
tester such as Simpson Model 229-2 or equivalent between
the earth ground and all exposed metal parts of the appli-
ance (input/output terminals, screwheads, metal overlays,
control shaft, etc.). Plug the AC line cord of the appliance
directly into a 120V AC 6OHz outlet and turn the AC
power switch on. Any current measured must not exceed
2. PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the appliance
have special safety related characteristics. These are often
not evident from visual inspection nor the protection
afforded by them necessarily can be obtained by using
0.5mA.
we Reading should
not be above
0.5mA
Test all
exposed metal
surfaces
2-wire cord
O Also test with }
Plug reversed Earth
(Using AC adapter ground
plug as required)
AC Leakage Test
replacement components rated for voltage, wattage, etc.
Replacement parts which have these special safety charac-
teristics are identified in this Service Manual.
Electrical components having such features are identified
by marking with a Zon the schematics and on the parts
list in this Service Manual.
The use of a substitute replacement component which
‘dose not have the same safety characteristics as the
PIONEER recommended replacement one, shown in the
parts list in this Service Manual, may create shock, fire,
or other hazards.
Product Safety is continuously under review and new
instructions are issued from time to time. For the latest
information, always consult the current PIONEER Service
Manual. A subscription to, or additional copies of, PIONEER
Service Manual may be obtained at a nominal charge from
PIONEER.

2.
EXPLODED
VIEWS
AND
PARTS
LIST
NOTES:
©
Parts
without
part
number
cannot
be
supplied.
¢
The
A
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
designa-
tion.
°
Parts
marked
by
“®”
are
not
always
kept
in
stock.
Their
delivery
time
may
be
longer
than
usual
or
they
may
be
unavailable.
Parts
list
of
Exterior
and
Packing
Mark
No.
Parts
No.
Description
Mark
No.
Parts
No.
ag
PNM
on
ee
AMS
Nee
A
1
2SA1263N
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5
51
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Q
3 52
A
4
38Ga982y
TRANSISTOR
ae
Qa
6
A
5
28C3281
TRANSISTOR
Q
1
55
AWZ2587
A
6
2S8C3281
TRANSISTOR
Q
2
56
A
7
ATS1215
POWER
TRANSFORMER
T
1
57
AS
RRCHS
ciseeaneu's
:
f
=
>
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A
10
AEK1002
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FU
1
60
AKM1061
A
11
ADG1057
AC
POWER
CORD
61
12
AEC-818
MICA
SHEET
62
13
AEP-313
MICA
SHEET
63
14
AMR1350
INSULATOR
ASSY
64
15
AMR1353
INSULATOR
ASSY
65
16
ABA-297
SCREW
(STEEL)
66
17
ABA-298
SCREW
67
18
ABA1006
SCREW
(STEEL)
68
19
ABA1011
SCREW
(STEEL)
69
20
ABA1093
SCREW
(STEEL)
70
21
ABN-065
NUT
71
22
BBZ26PO080FMC
SCREW
72
23
FBT40P080FZK
SCREW
73
24
PBZ25P100FMC
SCREW
74
25
VMZ30PO060FMC
SCREW
75
26
ANB1332
FRONT
PANEL
(VSX-4500S)
76
ANB1346
FRONT
PANEL
(VSX-4400)
TT
AHG1016
27
AMB1516
PANEL
BASE
28
AAK1772
PANEL
29
AAKI773
FL
FILTER
30
AAM1029
NAME
PLATE
31
AAB1119
MASTER
VOL
ASSY
32
AAD1398
TACT
KNOB
33
AAD1587
SP
SW
KNOB
34
AAD1588
STATION
KNOB
35
AAD1589
SURROUND
KNOB
36
AAD1590
FUNCTION
KNOB
a
AAD1591
FUNCTION
KNOB
39
ARB1207
INSTRUCTION
MANUAL
40
AXD1104
REMOTE
CONSOLE
UNIT
(vsx-45008)
AXD1105
REMOTE
CONSOLE
UNIT
(VSx~4400)
41
AZN1811
BATTERY
COVER(VSX-4400)
42
ADH1004
FM
ANTENNA
43
ATB1004
LOOP
ANTENNA
44
AHA1020
STYROL
PROTECTOR
45
AHA1021
STYROL
PROTECTOR
46
AHD1719
PACKING
CASE
(VSX-4500S)
AHD1720
PACKING
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(VSX-4400)
47
AZN1934
BONNET
COVER
48
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a aes
iy eee
83 aa
10 (1wl
Q605,0606
2sS,A970
Q601,0602
2SA979
—_—_—.
Q603,0604,
2SC2240
Q661,0662
Q609,0610
~
25c2705
Q611,0612
25¢3298
CENTER
—~< OVER LoaD
R200
100
tr C173
100/16
‘Q105,Q106
D109
D114
D101,D102,0116,0133
D118~-D121
0110-—D113,D115,
0117,D122,
0124—D128,0131,
0132,0134,
0135
D123
0107,0108
0103-0106
2SC2603
OSSB20F
HZS9AL
RDS.1ESB2
1SR139—400
18S252
181555
182471
10E2FD
1. RESISTORS:
Indicated
in
Q,
1/4¥,1/8y,
kik
OQ
MINO,
(F)
2.CAPACTTORS:
Indicated
in
capacity
(u#F)/volta
Indication
vithout
voltage
is
50V
3.
VOLTAGE,
CURRENT:
[—_]sSisnal
vottege
“vt
100W+
100¥
(Front)
,15¥"
150
(Re
]
J:0c
voltage
(V)
at
no
input
signal
8ohu
output
(1kiz)
Value in (
3
+5¥
tolerance
unless
othervise
noted
PHI,
(G):
+
2g,
(K):
+
10x(MN),
+ 20%
*e(V)
unless
othervise
noted
pipF
except
electrolytic
capacitor.
)
is
DC
voltage
at
rated
pover.
<>
ahr
pc
current
at
no
input
Signal
4. OTHERS:
=P
Signal
route,
@
rAd
justing
point,
tolerance
The
ar),
*
A
mark
found
on
some
component
p
marked
capacitors
and
resistors
h
identical
designation,
ave part
This
is
the
basic
schematic
diagram,but
the
may
vary
due
to
improverents
in
design.
arts
indicates
the
importance
of
the
safety
factor
of
the
part.
Therefore,
vhen
replacing,be
sure
to
use
parts
of
S numbers.
actual circuit
5. SWITCHES
S102
Push
switch
sp
A—SP
B—REAR
$304
Tact
switch
$301—$303,5305—s338,
S$340—$351
Tact switch

| |
REAR
AMP
ASSEMBLY.
.
f
I
IC321
UPC1270H
=
322:
2SC2240
0321
182471
9 [ 40 ‘ 11
FRONT
ASSEMBLY
(
AWZ2587
)
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os
VSX-4500S,-4400
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.
MAIN
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ove
PTT
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sec
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GND
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1C301 PDGO43 D301 $5566
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Q301
RN1203
0302—-D317
188252
MUTING DELAY ACOUSTIC ACOUSTIC
Q302-Q307,
2S¢2458
TIME
MEMORY
SELECT
Q313,0314
SY?
0
o
YO
R302
'
Az
$301
1p
$303
9
$304
9
aT
i
POWER
FRONT
FRONT
REAR
STANDBY
ON
BALL
BALR
LEVEL
—
=
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xo
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$308%
$306
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2
3
4 5
6
7 8
9
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D310
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D312
D313,
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14
15.
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17
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ry
: 14
| 7 I 8 I 9 | 10 | 11 I 12 om

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2
I
3
|
4
I
5
[
6
Quis
Ics
Qi9-Qi22
Q123-0125
ICH3-ICHI7
REAR AMP assembly
A
Tl
POWER TRANSFORMER
ra
AC POWER CORD
ACI20V/60Hz
AMP assembly (AWH1008)
at
be
bee
Wooo
CESS
JEP
Pes
2
Pelee
MAIN
assembly(AWZ2584)

12
11
10
|_|
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il
a
=
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[0))
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2g ° 2
2
4
ED
vt
Q
2
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QI0l-Q104 Qi06
Q108 - Qi.
(LINE)
APE |
PLAY
Sp ROE ER OE EEA
“ =|
eee Ce eT
AY
REAR SP
J
assembly
EQ assembly
TUNER assembly (AWE1140)
VR431
VR451
Q405
Q4a2l
0402
Q403
Q471-Q474
Q40l
1C431
Q45! Ic471
Q452-0454
12
11
10

;
|
2
|
3
|
4
|
5
VSX-45005S,-4400
NOTE
1, This P.C.B connection diagram is viewed from the parts mounted side.
2. The parts which have been mounted on the board can be replaced with those shown
with the corresponding wiring symbois listed in the following Table.
P.C.B. pattern diagram indication Corresponding part symbol | PartName |
| wr) : S, | Transistor
Radiator type
transistor
SP.SW assembly VOLUME assembly
Capacitor
(Polarity)
Capacitor
(Non-polarity)
vA Variable resistor or
Semi-fixed resistor
3. The capactor terminal marked with ()(double circles) shows negatine termianl.
4. The diode terminal marked with © (double circles) shows cathode side.
5. The transistor terminal to which E is affixed shows the emitter.
FRONT aesarbly (AWZ2587)
<0

OOAA-,cOOcA-XeV
7
|
A
|
E
|
Ss
|
t
NOTE:
This picture shows the foil side of the
printed circuit.
a
|
yldmezes
3MUJOV
yidmezes
W2.92
=
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&
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(Y8A2SSWA) yldmsees TAORA
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6. ELECTRICAL PARTS LIST
NOTES:
© Parts without part number cannot be supplied.
© Parts marked by “®” are not always kept in stock. Their delivery time may be longer than usual or they may be unavail-
able.
©
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
byJ=
5%, and K = 10%).
5602 56 X 10! S61...
47kQ 47 X 103 BIS ites.
0.52 ORD. Snakes
RDIAPSO OOS
. RDI/APSEADBS
.. RN2HO) BG K
1Q OOK ress otestanes ines baa Bnanbealateuamieee, RSIPG MW K
Ex. 2 When there are 3 effective digits (such as in high precision metal film resistors).
5.62k2
Miscellaneous parts
P.C.BOARD ASSEMBLIES
Mark Symbol & Description
TUNER assembly
SP.SW assembly
MAIN assembly
REAR SP assembly
EQ assembly
FRONT assembly
VOLUME assembly
REAR AMP assembly
PRIMARY assembly
OTHERS
Symbol & Description
Q5 Transistor
Q4,Q3 Transistor
Q6 Transistor
Q2,Q1
T1 Power transformer(AC120V)
FU3,FU4 Fuse (4A/125V)
FU1 Fuse (8A/125V)
> >> & BEER |
z
AC Power cord
TUNER assembly (AWE1140)
SEMICONDUCTORS
Mark Symbol & Description
1C451
1C431
1C471
0473,0474
0454
27
562 X10! 5621...
Part No.
AWE1140
AWZ2584
AWZ2587
Part No.
2SA1263N
2SA1302
2SC3180N
2SC3281
ATS1215
AEK—125
AEK1002
ADG1057
Part No.
AN7470P
LA1265S
LM7001
RN2201
2SA933S
RNIASR 3 (6) 2 OF
Mark
Symbol & Description
Q452,0453
Q472
Q451
Q403,0421
Q402
Q405
Q401
Q471
D431—D435
D401 —D403
COILS & TRANSFORMER
Mark
Symbol & Description
L401 FM coil
L402 FM coil
L405 FM coil
L403 FM coil
L404 FM coil
L431 FM Detecor coil
L406,L407 Axial inductor (2.24H)
F421 FM Ceramic filter
F422 FM Ceramic filter
F431 AM Ceramic filter
T402 FM Matching transformer
CAPACITORS
Mark
Symbol & Description
C454 (470p)
C445 (47p)
C409,C483 (100p)
C444 (330p)
Part No.
2S8C1740S
2SC1740SLN
2SC2603
2SC2668
2SC2786
2SK161
2SK241
2SK246
1$S252
18V147
Part No.
ATC1001
ATC1002
ATC1003
ATC1004
ATC1005
ATE-079
LAU2R2M
ATF-—107
ATF-—119
ATF — 208
ATE—063
Part No.
ACE1039
ACG1016
ACG1017
ACG1018
Mark
Symbol & Description
C403,C410—C412,C418,C419,
C421,C422,C465,C471,C473,
C476,C480,C485 (0.01 4F/16V)
C441,C472 (0.022F/25V)
C479 (22p)
C466
C417
C406
C415
C413,C481,C482
C414
C401,C404,C405
C402
C416
C452
C457
C442
C456
C420,C437,C475
C451
C438
C443,C455
C433,C461,C462
C458,C463,C464,C484
C478
C477
C439,C440
C435
C453
C436
C400
C459,C460
C468,C469
RESISTORS
Mark
Symbol & Description
VR451 (4.7k)
VR431 (10k)
Other resistors
OTHERS
Mark
Symbol & Description
X471 Crystal resonator
X431 Ceramic resonator
4P Antenna terminal
AM RFF Tuning block
SP.SW assembly
SWITCH
Mark
28
Symbol & Description
$102 Push switch
(SP A,SP B,REAR)
Part No.
ACG1021
ACG1022
ACG1025
CCCSL121J50
CCDCHO10C50
CCDCHO20C50
CCDCHO80D50
CCDCH150J50
CCDCH330J50
CCDRH330J50
CCDRH390J50
CCDTH180J50
CEANP4R7M35
CEASR22M50
CEASOR1M50
CEAS1R5M50
CEAS100M50
CEAS101M16
CEAS2R2M50
CEAS3R3M50
CEAS4R7M50
CEAS470M16
CFTXA224J50
CKCYF103Z50
CKCYF223Z50
CKCYF472Z50
CKCYF473Z50
CKCYX683M25
CKDYF102Z50
CQMA152J50
CQMA182J50
Part No.
ACP1024
ACP1025
RD1/8PMUOJLIL
Part No.
ASS1005
ATF-125
AKA1014
AXX1011
Part No.
SUL6LXXXS
RESISTORS
Mark Symbol & Description
R187,R188
OTHERS
Mark Symbol & Description
Head Phone jack
MAIN assembly(AWZ2584)
SEMICONDUCTORS
Mark Symbol & Description
1C106
1C112
1C113
1C117
1€115
1C114
1C116
1C109,1IC110
1C118
1€108,1C111
1C107
1C103,1IC105
1C101,1IC102
1C104
Q101,0103,0Q120
Q102,Q104
Q111,0118,Q122,Q125
Q107—-Q110,Q112—Q117,Q119,
Q121,0123,0124,0126—Q128
Q105,Q106
D109
D114 Zener diode
D101,D102,D116,D133
Zener diode
D118—D121
D110—D113,D115,D117,D122,
D124—D128,D131,D132,D134,
D135
D123
D107,D108
D103—D106
SWITCH & RELAIES
Mark Symbol & Description
S101 Line voltage selector switch
RY101 Relay
RY102 Relay
COILS
Part No. Mark Symbol & De
RS2LMF331J L101,L102 ¢
L103 AF Chx
Part No. CAPACITORS
Mark Symbol & Des
AKN1002 pe eae
C174,C189 ((
C175,C176 («
C193 (47000
C187,C188 (&
C200—C202
C101—C106,
EBON
Soe:
C107,C108
BU4066BL C137,C138
CX—894 c170
M5F78MO5L C139,C140,C
M5F78M12L
MS5F78M15L C143,C144
C173,C204
MSF79MO5L C135,C136,C
M5F79M15L C199
M5220L C129—C134,
M5278L56(A)
NJM4558S—X C162,C163,C
C194—C197
TC4028BP C158,C159,C
TC9154AP C172
TC9164N C205
TC9184P C180,C206
RN1203 C190
RN2203 c169
2SA1048 C165—C168
2SC2458 C147—C150
C203
20g 7008 C145,C146
C191,C208,C:
C171,C177,C
D5SB20F C182,C185
HZS9AL C141,C142
RDS5.1ESB2 C160
1SR139—400 RESISTORS
Mark Symbol & Des:
1$$252 a Re aE
R181,R182 (0
R183 — R186
181555 R226,R203
1$2471 R173—R176,F
10E2FD R204,R207—-F
Other resistors
Part No. OTHERS
AKX1033 Mark Symbol & Desc
ASR-112 ee RE ERR GaN
ASR1005 2P Terminal (C
4P Terminal (T.
POWER IN,
3P Terminal (V
2P Terminal (V
2g

A)
-X
20
COILS
Mark
Symbol & Description
L101,L102 AF Choke coil (0.7 “H)
L103 AF Choke coil (0.7#H)
CAPACITORS
Mark
Symbol & Description
C174,C189 (0.01 zF)
C175,C176 (4700#F/35V)
C193 (47000#F/5.5V)
C187,C188 (8200“F/71V)
C200—C202
C101—C106,C109—C114
C107,C108
C137,C138
C170
C139,C140,C161,C164
C143,C144
C173,C204
C135,C136,C157,C207,C210
c199
C129—C134,C151 —C156,C198
C162,C163,C179,C192,
C194—C197
C158,C159,C183,C184,C186
C172
C205
C180,C206
c190
C169
C165—C168
C147—C150
C203
C145,C146
C191,C208,C209
C171,C177,C178,C181,
C182,C185
C141,C142
C160
RESISTORS
Mark
Symbol & Description
R181,R182 (0.33 x 2 (5W))
R183—R186
R226,R203
R173—R176,R189,R190,R204,
R204,R207 —R212,R219,R220
Other resistors
OTHERS
Mark
2g
Symbol & Description
2P Terminal (CD)
4P Terminal (TAPE 1, TAPE 2,
POWER IN, PRE OUT)
3P Terminal (VDP, VCR 1, VCR 2)
2P Terminal (V MONITOR)
Part No.
ATH1004
ATH1011
Part No.
ACG1005
ACH1021
ACH1070
ACH1074
CCMSLO80D50
CCMSL101J50
CCMSL680J50
CCMSL820J50
CEANP4R7M50
CEASO10M50
CEAS100M25
CEAS101M16
CEAS2R2M50
CEAS220M25
CEAS4R7M50
CEAS470M10
CEAS470M16
CEAS470M35
CEAS470M50
CEAS470M25
CEAS471M25
CEAS471M6
CFTXA104J50
CFTXA153J50
CFTXA473J50
CFTXA823J50
CKCYF103Z50
CKCYF473Z50
CQMA272K50
CKDYX473M16
Part No.
ACN—139
RS1LMF100J
RFA1/4PSCI0ID
RD1/4PMFLIOID
RD1/8PMCILIDIJ
Part No.
AKB1100
AKB1101
AKB1102
AKB1103
Mark
AMP assembly (AWH1008)
Note:
Symbol & Description
8P Terminal (SPEAKER)
2P Mini jack (REMOTE CONTROL)
Mini jack (MULTI ROOM)
CN2 3P Jumper connector
CN5 5P Jumper connector
CN1 6P Jumper connector
CN6,CN7 15P Jumper connector
AMP assembly
SURROUND assembly
Part No.
AKE-—111
AKN1006
AKN1020
KPC3
KPC5
KPC6
KPE15
AWH1008
AWX1031
This AMP assembly (AWH1008) is a part of MAIN asdsembly
(AW2Z2584).
SEMICONDUCTORS
Mark
Symbol & Description
Q607,Q608
Q613,0614
Q605,0606
Q601,Q602
Q603,Q604,0661,0662
Q609,Q610
Q611,Q612
D601 —D612,D661 —D666
CAPACITORS
Mark
Symbol & Description
C625 —C628 (0.047 uF/125V)
C611,C612
C629,C630
C619—C622
C661,C662
C603,C604
C607,C608
C605,C606
C623,C624
c609,C610
C601,C602
RESISTORS
Mark
Symbol & Description
R619,R620
R605,R606,R617,R618
R641 —R648,R661 — R664
R665 —R670
R613—R616,R621,R622,R625,
R626,R649 — R652
Other resistors
Part No.
2SA1145
2SA1306
2SA970
2SA979
2S8C2240
2SC2705
2SC3298
1SS252
Part No.
ACG-—009
CCCSLO20C500
CCCSL101J50
CCCSL101K500
CEANP2R2M100
CEAS2R2M50
CEXA471M16
CKCYB122K50
CKCYX473M25
CMA100D500
CQMA102J50
Part No.
RDR1/2PM123J
RDR1/4PMOILID
RD1/4PMFLILILIJ
RD1/8PMOILIO
RFA1/4PSCIDILJ
RD1/4PMOILID
SURROUND assembly (AWX1031)
Note:
This SURROUND assembly (AWX1031) is a part of MAIN
asdsembly (AWZ2584).
SEMICONDUCTORS
Mark Symbol & Description
1¢551
1C522
1C521
1C523
IC501
Q501
D551 Zener diode
D521—D525
COILS
Mark Symbol & Description
L521 Axial inductor (2.24H)
L522 inductor (8.2mH)
CAPACITORS
Mark Symbol & Description
C504,C505,C540,C541
(0.01 #F/125V)
C534
C525
C553
C556
C552
C539,C558
C557,C561
C501 —C503,C521,C538,
C551,C563
C527,C532
C564
C528
C526,C533,C554
C555,C560
C529,C530
C562
C542
c559
C522,C535,C537
C523,C536
RESISTORS
Mark Symbol & Description
All resistors
OTHER
Mark Symbol & Description
X521 Ceramic resonator
30
Part No.
LA2730
LM3364K—15
M50199P
M5233P
NJM4558S—X
2SC1740S
RD12ESB
1SS252
Part No.
LAU2R2M
LTA822J
Part No.
ACG1021
CEANPO10M50
CEANP4R7M35
CEASR33M50
CEASO10M50
CEAS100M50
CEAS101M10
CEAS220M16
CEAS4R7M50
CEAS470M10
CEAS470M25
CFTXA103J50
CFTXA104J50
CFTXA333J50
CFTXA823J50
CKMYB471K50
CQMA183J50
CQMA472J50
CQMA562J50
CQSA561J50
Part No.
RD1/8PMODID
Part No.
ASS1016
REAR SP assembly
OTHERS
Mark Symbol & Description
4P Terminal (SPEAKER)
EQ assembly
SEMICONDUCTORS
Mark Symbol & Description
1C332
CAPACITORS
Mark Symbol & Description
C331,C332
C343
C329,C330
C339,C340
C333,C334
C341,C342,C354
C335,C336
C337,C338
RESISTORS
Mark Symbol & Description
VR301 (250k)
Other resistors
OTHER
Mark Symbol & Description
2P Terminal
FRONT assembly (AWZ2587)
SEMICONDUCTORS
Mark Symbol & Description
1C301
Q301
Q302 —0307,0313,0Q314
D301
D302—D317
SWITCHES
Mark Symbol & Description
$304,S339 Tact switch
$301 —$303,S305 — S338,
$340—S351 Tact switch
COIL
Mark Symbol & Description
L301 Axial inductor (10H)
Part No.
AKE1012
Part No.
M5218P
Part No.
CCCSL221J50
CCMSL150J50
CEAS100M50
CEAS2R2M50
CEAS470M10
CKCYF473Z50
CQMA242J50
CQMA822J50
Part No.
ACS1038
RD1/8PMCIDLJ
Part No.
AKB1099
Part No.
PDG043
RN1203
2SC2458
S5566
1$S252
Part No.
ASG— 703
ASG1029
Part No.
LAU100K

CAPACITORS
Mark Symbol & Description
C301
C302 —-C304
C305
RESISTORS
Mark Symbol & Description
All resistors
OTHERS
Mark Symbol & Description
X301 Seramic resonator
V301 Fluorescent indicator tube
Remote control sensor unit
VOLUME assembly
SEMICONDUCTORS
Mark Symbol & Description
1C323
1C324
Q323
CAPACITORS
Mark Symbol & Description
C352
C347,C348
C351
C345,C346
C349,C350
RESISTORS
Mark Symbol & Description
VR302 (100k x 4, 50k x 3)
R353
Other resistors
OTHERS
Mark Symbol & Description
CN8 3P Jumper connector
REAR AMP assembly
SEMICONDUCTORS
Mark Symbol & Description
1C321
Q322
Q321
Part No.
CEJAOR1M50
CEJA100M16
CEJA220M6
Part No.
RD1/8PMTJDID
Part No.
ASS1022
AAV1081
AXX1010
Part No.
M5220L
TA72918
RN1203
Part No.
CEANP2R2M50
CEAS4R7M50
CEAS470M16
CKCYB103K50
CKCYB331K50
Part No.
ACX1033
RD1/4PMF2R2J
RD1/8PMUOICIC
Part No.
KPE3
Part No.
UPC1270H
2SC2240
2SC2458
VSX-45005,-440¢c
Mark Symbol & Description
D322,D323
D321
CAPACITORS
Mark Symbol & Description
C324
C328
C323
C321
C322
C326,C327
C325
RESISTORS
Mark Symbol & Description
R329 (0.22 x 2)
Other resistors
PRIMARY assembly
RELAY
Mark Symbol & Description
A RY301
TRANSFORMER
Mark Symbol & Description
A T301 Power transformer
CAPACITOR
Mark Symbol & Description
A C353 (0.01 4F/125V)
RESISTOR
Mark Symbol & Description
A R357 (2.2M)
OTHER
Mark Symbol & Description
A 3P AC Outlet
Part No.
188252
182471
Part No.
CCCSL270J50
CEANP2R2M50
CEAS101M10
CEAS2R2M50
CKCYB102K50
CKDYF473Z50
CQMA333K50
Part No.
ACN~-131
RO1/ePMLOIOO
Part No.
ASR1027
Part No.
ATT10141
Part No.
ACG1002
Part No.
ACN-209
Part No.
AKP104-1
31

Vi) @e-l1ele\-fer-t-lele)
7. ADJUSTMENTS
7.1 TUNER SECTION
1. Wiring
2. Preset Set the VR451 to center position.
TUNER assembly
(AWE 1140)
Connect the wires as shown in Fig.1 (FM ANT. terminal: 75Q).
MAIN assembly
(AWZ 2584)
Note: Stereo modulation: Main 1kHz L+R +68.25kHz
SSG Receiving
frequency
Level
Frequency | Modulation
No signal 108MHz
:
87.5MHz
Increasing front 98MHz
end sensitivity
Center adjustment 98MHz
ey | _
Pilot 19 kHz +6.75kHz
Adjustment
Adjustment
location
L402, L404,) Set the voltage between
terminal 43 and ground to
maximum, and check that the
practical sensitivity is as
specified.
Check that the voltage between
terminal 41 and ground is 8.7
+2.0V.
Check that the voltage between
terminal 41 and ground is
3.441.5V,
Adjust the voltage between
terminals 45 and 46 to
0+50mV.
Checking 98MHz
monophonic
98MHz 60dBuV
distortion
Adjusting VCO 60dBuV
Adjusting stereo 98MHz |L-ONLY | 60dBeV
R—-ONLY
distortion
Checking 98MHz |L—ONLY]| 60dBsV
separation R—-ONLY
Checking lighting | 98MHz | STEREO =
98MHz
98MHz
98MHz
levels of TUNED
and STEREO IND.
32
T402
Check that the monophonic
distortion is as specified.
VR451_—| Adjust the output of terminal 44
to 76.0kHz+1.0kHz.
Minimize the distortion within
1/4 rotation of the core,and
check conformity to the
specification.
Check that the separation of
L-R and R-L is as specified.
Check that the lighting levels of
TUNED and STEREO IND. are
as Specified.

VSX-4500S,-4400
AM Section
Receiving
Adjustment
frequency ;
Checking front end No signal 1700kHz Check that the voltage between
VT terminal 41 and ground is 7.5
+1.0V.
Checking front end 530kHz Check that the voltage between
VT terminal 41 and ground is
1.5240.5V.
Checking front end | 1000kHz |; 400'iz Practical | 1000kHz Check that the practical
sensitivity 30% MOD. | sensitivity sensitivity (maximum
level
Adjusting lighting 1000kHz 1000kHz VR431 | Adjust the lighting level of
level of TUNED TUNED IND. to 55dByV/m
IND. +3dB.
sensitivity) is as specified.
T-METER
00
46 45
43 (\veas:
4
44 os
«STMETER
vco
TUNER assembly
( AWE 1140)
33

WWi=> Gi- lj e]e)—-e- Tiel e
FLUORESCENT INDICATOR TUBE (AAV1081)
Outer dimension
STATION
JULES, AM
ia | Ht FM MONO FM
;
lh
ll!
+
Y
III
mee
si IND FIELD
COUT TAPE 2 TUNING MEMORY || SLEEP STUDIO ae Mery
LQuONEsS =TMUTING] |] / ITI TH 71 auto SEARCH C) SIMULATED (ms)
Vow Oo omect
STEREO ic =
f vipEo SIGNAL MANUAL] [a0] (a0)
tl
+808 comme somes 858
— TONE — i
+6d0 oes +6 dB
418 —— aes 4408 WA /|:
——— —_——_— 2t ob
+248 ——a —s +248
—— ace Ib 29
—248 ——— —s —248
eal a
“=
==
a
\/.
4
dQ
Lt
—6dB eemrerasemamemee eee - 6 0B Ic
—<— ——— | a names an
~8d5
—_
mn
—
8
1B
Fi
—_
—=
2d
BASS TREBLE
13G
7G~1IG
AL—XX
6G
ST-XX
3G~5G
Fr-XX
Whoo LAE OL
Same
e
=>. = a
d 2d
eV
ANMeLA
TH
ae
Pin connection
|__PIN NO. [65/64/63 ]62[61]60[59/58]57[56]55]54[53[52[51[50|
CONNECTION
rolealeol
DB
BLP
Le
Pie
Pere
els
| PIN NO. _[31|30]29[28/27[26]25]24[23]22]21|20]19]18[17|
46/45]
N
P
N Ststsisisit
P 14/13 ]12]11{10
[49]48 |
NIN|N
PIP|P
sis sis S | N 13/12/11]10] 9
comvemnor
|
PEEBLES
34