Pioneer XR-P740M User manual

Service
tlanual
(D
rrtoNeErl"
TIE Art ot Entertainment
MULTI-PLAYCDCASSETTEDECKRECEIVERSTEREO
x
XR
XR
STEREO
XR
XR
XR
R
-P
-P-P74()M
64()M
g4()M
CDCASSETTE
DECKRECEIVER
CHAPTER2
2.1 PACKING ANDEXPLODED
VIEWS
.,. 2-2
2.2 SCHEMATICANDPCB
CONNECTION
DIAGRAMS ...... 2- 16
P740/
P640/
P340/
T
I
I
PIONEERELECTRONICCORPORATION 4r,Meguro
I
'chome,
N.4esuro-ku,rokyo153
Japan
PIONEERELECTFONICSSEFVICElNC. PO 8ox1760Long8each.
Callornia9080l
tJSA
PIONEERELECTROI{ICS
OFCANADA,
lNC. 300AIsrateParkway[,4arkharn,
Ontar
o L3R0P2Canada
PIONEERELECTBONIC
IEUROPE]
N.V. Haven1087Keetberg
aan
1.9120Melsele,Belgrum
PIONEERELECTFONICSAUSTRALIA
Pw' LTD. 178184 BoundaryRoad,Braesde,Vrctor|a3195,Alstralra
TEL
o PToNEER ELECTRONTC
CORPORATTON
1993 r DFF [03]
580-9911
DEC.1993 Printed
inJapan

XR-P74OM, XR-P64OM, XR-P34OM
xR-P7 40, XR-P640, XR-P34()
AA
CHAPTER
2
2.1PACKING
ANDEXPLODED
VIEWS
{1}
PACKING
(FOR
ALLMODETS}
3l
I t a't-'-1 |
@'<2S
5ffi
@
B
cc
D
D
2I 3
F
\o\I

,,
12
(2)
EXPLODEDVIEWS
l2l-1. EXTERIOR
I ForXR-P74OM,
XR-P74O,XR-P640Mand
XR-P640
Front
Panel
Assy
(Refer
to Page
2-5.
44$
Cassette
Mecha
Sectioi
(Refer
to page
2-9.1
42
NOTE
:Screwsadjacent to V markon the p
areusedfor disassembly.
f67
D
I

6
5
4
Power
Amp Module
(Refer
to page
2- 1b.)
mark
on
theproduct
blv.
l4
G-'*
CDMultiMecha
Assy
(Refer
to page
2- 11.l
CDSingle
Mecha
Assy
(Refer
to page
2
- 1
3.
)
73
(YPW
Type
Only)
*<
1: XR
- P74O
andXR
- P64OOnly
*2: XR-P740M and
XR-P64OM
Onlv
6
60
lz/z
47
49lt/ql
49
lz/c
50

IB-PZ4OM, XR-P64OM, XR-P34OM
xR-P740, XR-P640, xR_P340
Front Panel
Assy
59 60l/21
46
/
>
4
7
42
42
A
60
(z/zl
9P/cl
49
(z/al-
)n'
49ls/ql
49
lz/cl
56(t/zl
Front
View
NOTE: When
installing theAMP. TUNERbutton (No.49),
DECK. CD button (No. SS),
DOLBY button (No.
60),
andLEVEL button (No, 61),insertthehook on
eachbutton into the correspondingpin on the back
of front panelA (No.4Z)
andfront panelB (No.Sg).
Rear
View
o Preparation
Prior
to Assembling Door-LR Assy.
After installing
Door-L (No.50)
andDoor-R (No.51)
on
front panel
A (No.47),hookthe long sideof Door Spring (L)
(No. 53)and Door Spring (R) (No. 54)onto the hookson
D
l
I
8
7
I
#fu*-
Section
@
I
60
1272
49lc/tl
53
48
55lr/zl
56(z/zl
55(2121
56
(r/z)
2-5

XR.P74OM, XR-P64OM. XR-P34OM
xR-P740, XR-P64C|, XR-P340
I ForXR-P340M and
XR-P34O
I
6 FrontPanel
Assy
(Refer
to Page
2-8.)
41
21
t8
CassetteMecha
Section
(Refer
to page 2-9.)
9
*1: XR-P34
*2: XR-P34
q
o
5N

A
4
28
€
Fr,
PowerAmp Module Section
(Refer
to page 2- 1 5.)
37
*3
63*2
37
37
4411/
44
F/
I
I
5r(t
I
37
*3
32
lo'
b
-8 64
lt/zlp CassetteMechaSection
\ (Refer
to page 2-9.)
1t
*2
{<1:XR-P34O
Only
*2: XR-P34OM
Only
6
5
l3-G
Multi
MechaAssy
(Refer
to page
2- 11.)
SingleMechaAssy
(Refer
to page 2- 13.)
@-
64
lz/zl
6
V/zl
15-_4)

I
a
.a_37
r'
66
$'
1
F
37
)
37
37
37
FrontPanel
Assy
44lt/q
44
(t/tl
511/z
(3/41
5l(t/zl
-10
'37 FrontView
o Preparation
Prior
to Assembling
Door-LR Assy.
Afterinstalling
Door-L (No.
45)
andDoor-R (No.
46)
on
frontpanel
A (No.
42),
hook
thelong
side
ofDoor
Spring
(L)
(No.48)andDoorSpring
(R)(No.49)ontothe hooks
on
frontpanel
A.
NOTE: Wheninstalling theAMP. TUNER button (No. 44)
andDECK. CD button (No. S0),insert the hook on
each button into the corresponding pin on the back
of front panel A (No. 42). (Refer to the diagram
below.)
Rear
View
t4
l
D
/-/
.zz/
\ri,'L "a----1-Hook
-- \ailt\_/
-- \u-tr ,/
#
' /'N-<
'/l\'v
Section
@
I9
I
44P/ql 44(ttql
tI
tr
@@[
-meE.i
,A 6 n n---

JI
1l
I2I-2. CASSETTE
MECHA
SECTION
(FOR
ALL
I
I
I
2
v;:t \-
'.'-.;4j,ii
"a- :t\
KilJ-#n
o^o
\,94
iit- ""V
24/
-izl6s'1 t

4
\0,
"(
*tot
The EXK2430 consistsof the EXK2410 with the
A
" ^r4
l----cJ I
a"l
tt
)
c
-re
I
tl
J
39
.\
23
2-1o
r
6
xR-P7 40M, XR-P640M, XR-P340M
xF.-P74q-,XR-P64o, XR-P340
\#
N'JI I
1-ali'
_t_

XR-P740M, XR-P640M, XR-P340M
xR-P740, XR-P64o, XR-P340 3
(2)-3. CDMULTI
MECHAASSY
(FOR
XR-P74OM,
XR-P64OM
AND
XR-P34OM}
* 1:Fixthemotor
(No.
1O'l
)
ontheLOADINGBOARD
ASSY
(No.
1O5lsothatthelabelattachedon
the
motorfacesthe direction
illustrated.
{<
1 Label -/\
Redmark
57
49
,,
l,ffil
N9 48
I
i
+
o,a
@
oo)
@'
^tQ l-'----.t\'7'
l,.t'\
I B;rn -\
l-N rn-L
B-o. "-l
d>50
113
c
D
-1 2_l
aO -,re
-\tt""
ay
or_=
67
2-
11

6
5L
24
22 V-
#24
23
104
*2: Fixthe motor
(No.
1O1)
on the
MOTORBOARDASSY
(No.
11O)
sothat the labelattachedon the
motor faces the direction il-
lustrated.
t02
"I
58
5_
FA
113 "-v-
+c
I6
5
4
D
)I
\:
rl
312
- -'-l -
\'--'7 P)
l^l
I 38--Y i
. How to In3t ll thc dirc ttblc
$ Uscnippersorothcrtooltocutthcthrcescctions
marketl
@andthc lhreesectionsmarked
@in
figur€.Thenremow thespacer.
@ Wfrite
supportingthespindlemoror shaftwirh
the$topper,
put spaocron top of yokcM. and
stickthedisctableontop(takesabout
9kg
press-
urc).
Dctachthespacer.
ma
Scac.. xnir!
t6hion Dre uM
l-

1
I2I-4. CDSINGLE
MECHA
ASSY 2
(FOR
XR
-P74O,
XR-P640 ANDXR-P340)
ArA---tt
v
44
A
\t z^.v/
\y
@.,,
28
\
./
a
n
3
2

XR-P740M, XR-P640M, XR-P340M
xR-P740, XR-P64o, XR-P340
"{-
f{92-26
,al=:o'2a
\kp
\
-43
3
c
. Howto install
the disc table
I Use
nipper
or othertool to cut thethreesections
marked@ figure [. Thenremove
thespacer.
E While supporting
thespindlemotorshaftwirh
thestopper,
putspacdr
on top of the motor base
(angled
so
it doesn't
touch
section
@ ),and
stict
the
disctable
ontop
(takes
about9Kgpressure).
Take
off thesoacer.
6
5
4
--I 2- 14 l-

)(R-P740M, XR-P640M, XR-P340M
xR-P7 40, XR-P6,4o, XR-P340 3
I2I-5. POWER
AMPMODULE
SECTION
(FOR
ALLMODELS}
AXO1019
Onlv
No.2O-No.23
:
AXO1O19Onlv
Note: Ensure that silicon grease does not adhere to the
MOLD A (No. 6)and MOLD B (No. 7).
AXO1018
OnlY
AXO1O19
OnlY
AXO1019Only
165
d
Y
t
/8
t8
^h
7W
1
(
19:
AXO1019
Only
2-
15
AXO1019
OnlY
AXO1018
OnlY
4"'_wffi

2.2 SCHEMATIC
AND PCB
CONNECTION
DIAGRAM
NOTEFORSCHEMATICDIAGRAMS (rype
1A)
1.When ordering service parts, be sure to refer to
"PARTS LIST ol EXPLODEDVIEWS" or "PCB
PARTSLIST".
2. Sinco tho3c ara basic circuitr, somo parts ol them or the
vducs of 3omc componanB may bo changsd for improve-
ment.
3. RESISTORS:
Unit: k:kQ,M:MQ, or Q unlessotherwisenoted.
Rated power: 1/4W, 1/6W, 1/8W, 1/'l0W unless otherwise
noted.
Tofsrance:
{F}:
11%,
(G):
t2%,lKl:110%, (M}: +2oo/oor
r5o/"un'
less
olhomise noted.
,1. CAPACITORS:
Unit: p:pFor pFunlessothemise noted.
Batings:capacitor
(FF)/
voltage
(V)
unlessotherwisenoted.
Ratedvoltage:50Vexceptfor electrolyticcapacitors.
5. COTLS:
Unit: m:mH or pH unlessolherwise noted.
6. VOLTAGE
AND CUBRENT:
E : Signat
voltagsat rated
output.
Eor-V:
DCvoltage
(V)
at
noinputsignalunlessotherwise
noted.
Valuein ( ) is DCvoltageat rated
power.
€mAor-mA:
DCcurrentat no inoutsionalunlessolherwise noted.
7. OTHERS:
.A ot O: Adiusting
point.
. : Measurement
ooint.
. TheA marktound
onsomecomponent
parts
indicatestheim-
portance of the safety factor of the parts. Therefore, when re-
placing,
besureto useparts of identicaldesignation.
8. SCH-tr ON THE SCHEMATIC DIAGRAM:
. SCH-O indicatesthe drawing number of the schematic
dia-
gram.{SCH
stands
lor schematic diagram.)
9. SWITCHES
(Underline
indicalss
switch positionl:
DISPLAYassy
S1801 FREQ/STATION
51802 BAND
S1803
FUNCTION
S1804 POWERSTANDBY
s1805 MONO
s1806 P.BASS
S1807 ONE-TOUCH
KARAOKE
s1808 ST
WIDE(XR-P740MSERIES)
s1809
s1810
s181
1
s1812
s1813
s1814
s181s
s1901
SURROUND
&
ST
WIDE
(xR-P340M
SERTES)
AUTOTUNING
HALL
DISCO
MOVIE
MEMORY
WAKE-UP/REC
CLOCK/CLOCK
ADJ
TUNINGJOG
ADDONDISPALYassy
(xR-P74oM
SERTES
ONLY)
53951 CENTER/REAR
LEVEL
_
53952 CENTER/REAR
LEVEL
+
53953 CENTER
MODE
53954 CENTER/REAR
53955 DOLBYMODE
CD
DECK
SW
assy
(xR-
P74oM,
XR-640M,XR-P340M)
s1816
s1817
s1818 STOP(TAPE)
s1819
s1820 ASES/COPY
s18210ll
S1822DOLBY
NR
s1823 TAPE1/2
s1824
>> .>>l
s1825 STOP(CD)
S1826 PLAY/PAUSE
s1827
S1828 OPEN/EJECT
s1829
K< .+{
s1830
MULT|6
s1831 MULTTs
51832 MULTI1
s1833 MULTT2
S1834 MULTI 3
S1835
MULTI4
CDDECKSW
assy
(xR-P740,
XR-640,XR-P340)
s1816
s1817
s1818 STOP(TAPE)
s1819
s1820 ASES/COPY
s1821
0tl
51822 DOLBY
NR
s1823 TAPE112
s1824
>> .>>l
s182s STOP(CD)
S1826 PLAY/PAUSE
s1827
s182s
l+{ .+{
S1836 OPEN/CLOSE
XR-P74OMSeries
indicatesmodelsXR-P740M/SD,
YPW.
XR-P740/SD,
XR-P64OM/SD,YPWand
XR-P640/SD.
XR-P34OM Series
indicatesmodelsXR-P340M/KU, KC,
SD,
YPW,XR-P340/SDand
YPW.
-2-'!6

3
2
J
1.OVERALL SCHEMATIC
DIAGRAM,TRANS
PRIMARY
ASSY
A
PROLOGIC
assy
(4W27138:XB-
(+scH-9)
DOL
SURR
assy
(AW27137:
XR-
(fscH-11)
cN1002
B------l
It
xR-P7t0u,xn-P8,r0M,xR-P3,r0M
oNLY
)- -.
Jl9 L _ _
0
XR-P74OM Serissindicatosmodels
XR- P74OM/SD,
YPw,
XF- P74OISD,XR
- P64OM/SD.YPI,Vand XR
- P64O/SD.
XR-P34OM Seriesindicates models XR-P3ZIOM/KU, KC,
SD,
YPW,XR-P34O/SDand
YPw.
ADDONDISPLAYassy
(4W27141
:XR-P740M,XR-P740)
(4W27139
:XR-P640M,
XR-P640)
(fscH-8)
L.R,8ALC
L.R.BALL
t C MUTE
C Mt]DE2
C |1ODEI
NOISE
MODE
N0ISEch 2
N0ISEch I
S t]N/OFF
91545T8
9I54DATA
9154CLK
F |l,|UTt
cN20 KPE13
z
lxltort - o
DISPLAY
assy
l WZ7215:XR-P740M)
(4W27214
: XB-P740)
(AW27118:
XR-P640M)
(4W27116:
XR-P640)
(4W27113
: XR-P340M/KU,KC)
(AW27114
:XF-P340M/SD,
YPw)
(AW27110:
XR-P340)
(+scH-10)
Mtc
A.CND
12V
+5.5V
D.CND
Ft AC2
FL ACI
SPAL
SPA
R
+5V
VFDP
tX CLK
EX
DATA
POI{ER
ON,/OF
CDXLT
CD CL(
CDDAIA
cD s050
9162SIB
EXCt(AF)
TUNE
STEREO
CD
FCOK
CDDCNT
CD CDIIH
cD
r,{zs2
cD
l,1zs1
CD
INSD
CDLPS2
CDLPS]
CDSENS
CDCFS
cD 5C0R
PLL CE
PLL/9162DAT
PLL,/g]62CLK
CDDECK
SW
assy
( WZt125
:
XR-P740M^
XR-P640M,
xR-P340M)
( WZ7124:
XR-P740,
XR-P640,
xR_P340)
(+scH-10)
LID I,4!LI I 6
LEDMULT]
5
tED |.,i!LT]
4
LEDMULTI3
LED
MULI]
2
LED
|1ULTI1
LEDF.PtAY
LEDR.PLAY
IED
REC
+5V
KI5
Kt2
K1l
Kt0
K!8
K07 :
K06 ;
K05 AKP11O

PROLOGIC
assy
{ ry4!38: XR-P740M,
xR-P7,t0)
(fscH-e)
DOL
SURRassy
(AWZ7
137:XR-P640M,
XR-P640)
(+scH-11)
REAR,PWR,PRTECassy
(AWzsSgl
:XR-P740MSERIES)
PWR,PRTEC
assy
(AWZ5392
:XR-P3,|OM
SERIES)
(fscH-7)
POWER
MOD.FlOO
(AXO10l9:XR-P74
POWER
MOD.FsO
(AXO1018
:
XR-P34
r- --- -
t____ __
AKrruub xR-PtaousEFft
cN0009
cN10c2 KM25ONA15L tKPI6L C
KTr022
t1
zz)=
Kr,r250NA7L
KPE12
AFCDassy
(AW27095
:XR-P740M)
( W27281: XH-P740)
(AW27091
:XR-P640M)
(AW27089
: XR-P640)
(AW27088
: XR-P340M/KU,
KC)
(AWZT
287:XR-
P340M/SD,
YPW)
(AW27286
: XR-
P340)
(+SCH-4-2
and5)
' cN0002 KP250NA15L CN0003
KP250NA7LI
L__ --l LE:I:::*:J:!
Kt4200lAl8
xR-P7aota
sEnrEs
oilLY
xR-Praolt,xF-Plaol, xR-P3.r0I|
oNLY
t--- c-mr-m---C.rOaOf--CttO-ZOl-----l
I cN8131 I2FMZ-ABI
ViiiiSt s2r47-0610 |
CN00l0
KpC6
ir'
VRassy
(AV{ZT
282
:XR-P740M,
XR-
P740)
( WZ7O09: XR-PO1OM,
XR-P6,f0)
(AWZ2Eo:
xR-P340M/SD,
YPW,
XR-P340)
(Aw27270
: XR-P340M/KU,
KC)
(+scH-s)
KP200lAl6L cN1004
I
I
-l
AKTlOO6
cN6201

xR-P7 40M, XR-P640M, XR-P340M
xR-P7rc, xR-P640, XR-P340
POWERMOD.
FlOO
+ R2O
(AXO1019
:XR-P740MSERIES)
POWERMOD,FsO
(AXO1018
:XR-P340MSERIES)
PRTEC
assy
rR-P710M
SERTES)
assy
tR-P340M
SERTES)
r___-__---J
AK
i I UUb xR_PTOltSER|ESOI{LY
r,
Kc)
YPW)
xR-Rtaolilso,YPw,
xn-P3a0oNLY
XR-P71OM
SERIESONLY
PoliltR
TRANSFoRMER i -^
-- TYPE ONLY
ATS701
5 (XR-P740M,
XR-P740)
; I volTAGE
SELECTOR
FRONTassy
FOR100W
(4W25389
:XR-P740MSERIES)
FRONT
assy
FOR50W
(4W25390
:XR-P340M
(+scH-6)
KPE6L CN71O2 KPLTUL CN7502
-
--zoa-
cN0009 KM200tA14
cN52or KP200IA14L

xR-P7a0)r,xR-P8,10M,xR-P3a0MONLY
J19
L _ _
+5.6V
D.GND
Ft AC2
FL ACI
SPAt
SPA
R
-5V
+5V
VFDP
EX
CLK
IX DATA
POllER
ON/OFF
CDXLT
CD CLK
CDDATA
cDs0s0
9162
SrB
EX
CE(AF)
TUNE
STTREt]
CD
FCOK
CDDCNT
CDCDHM
cD r'r2s2
c0 ||1Zsl
CD
INSD
CDLPS2
CDLPSl
CDSENS
CDGFS
cDsc0R
PLLCE
XR-P74OMSeriesindicates
modolsXR-PTrtOM/SD,
YPW.
XR
- P7lrO/SO,XR - P64OM/SD,
YPWand XR
- P64O/SD'
XR-P34OM Seriesindicates
modelsXF-P34OM/KU, KC,
SD,
YPW,XR-P34O/SD
and
YPl
r.
DISPLAYassy
( W27215:
XR-P740M)
(4W27214
: XB-P740)
(AW27118:
XR-P640M)
(4W27116
: XR-P640)
(AWZ7l13
: XR-P340M/KU,KC)
(AWZ7i
14
:XR-P34OM/SD,YPW)
(AW27110:
XR-P340)
(+scH-10)
KPElJ
PLL/9162
DAT
PLL/9162
CLK
DECK
unit
(EWMI002
:XR-P740M
SEBIES)
(EWM1001
:XR-P340M
SERIESI
(+scH-3)
2 MECHA
unit
(f scH-3)
scH-1 OVERALLSCHEMATIC
DIAGRAM,
TRANSPRIMARY
ASSY
l2l 3
CDDECKSW
assy
(AWZ71
25:XF-P740M,
XR-P640M,
xR-P340M)
( WZ7124:XR-P740,
XR-P640,
xR-P340)
(+scH-10)
LED |,{I]LTI
LID MUtlI
LED
MUTTI
LED MULTJ
LEDMULTI
LED
IlULTI 1
o Ko4 Xl
cN100t