Service Manuals, User Guides, Schematic Diagrams or docs for : Pioneer Audio XR-P340_P640_P740 xr_p340_p640_p740_part_1_rrv1023_440
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(v)proNeerl" /oo.
Tlp Art ot Entertaiment
6 _EB
Service
^
q _f__l:iio
:tr)lo6a-
Manual o6tb
.68
it a5
RRV1O23
NO.
ORDER
STEREOMULTI-PLAYCD CASSETTEDECKRECEIVER
r;
R.P74()M
x R-P64olul
x R-P34()M
STEREO CASSETTE
CD DECKRECEIVER
XR P7 4 o I
XR P6 4 o I
XR P3 4 o I
THISMANUALIS APPLICABLE THEFOLLOWING
TO IVIODEL(SI TYPE(S}.
AND
Modol
Typ. Powor Roquhemant Tha vohago cln ba convanod
r xR-P740M xR-P740 xR-P640M XR-P6/|{)
o
xR-P3/l(,M xR'P340 by lh. folowlng m.thod.
SD o o o o o AC110Vt120- 127V
220V t240V
I With the voltago solector
o o o o AC240V
KU o AC120V
KC o AC120V
CONTENTS
CHAPTER1 1 . 8 P A R T SL I S T F O RP A C K I N G N DA
E X P L O D EV T E W S. . .. . . . . .... . . . . . . . . . . .1 - 3 8
D .
1 . 9 P C BP A R T SL I S T ... 1-47
-5
-8 CHAPTER2
-9 2.1 PACKING ND EXPLODEDIEWS , . 2-2
A V
- t l
2 . 2 S C H E M A T I C N D P C BC O N N E C T I O N
A
-20 DfAGRAMS .........2-16
PIONEER ELECTRONIC CORPORATION 4,j, Mesurochome,
I Mesuro rokyo Japan
ku, 1s3
PIONEERELECTRONICS SERVTCE lNC. pO Box 1760,Long Bea;h, CatrJornra
90801U.S.A.
PDNEERELECTROI{ICSOFCANAOA,tNC.3O0A slareparkwayN.4arkham,OntanoL3BOp2Canada
PIONEERELECTROT{IC [EUROPE]N.V Haven jO87 Keetberataan
t,9j2O Met;ete. Betorurn
PIoNEEB ELEcrRoNlcs AusrBALla Pw. LTD. r78 r84 Boundaryioad B aesroe.vr.fo.ra 3195 Ausrra a TLL
[03]580,99r1
o P|oNEER
ELECTRONTC
CORPORATTON
1993. r DFFDEC.1993 Printedin Japan
XR-P74()M, XR-P64()M, XR-P34()M
xR-P7 &, XR-pOaO, XR-P34()
CHAPTER
1
1.1 SAFETYINFORMATION
This service manual is intended for quallfled service technicians; lt ls not meant tor the casual
do-it-yourselfer. Oualified technicians have the necessary test equiprnent and tools, and have been
trained to properly and safely repair complex products such as those covered by this manual.
lmproperly performed repairs can adverselyaftoct ths.satety and retiabilityof the product and may void
the warranty, It you are not qualified to pertorm ths repair ot thls product properly and safely, you should
not risk trying to do so and reter the repairto a qualllled servlcetechniclan.
WARNING
Lead in 3oldor us6d in thlr ptoducl ir liltod by th. Celifornia Hcalth and Wcltaro agoncy aa a known .sproductiva toxicant which
may cause birth defoct. or othor r.prcductive hetm (Calllo.nia Hoelth & Saf.ty Cod., Sectlon 25249.S).
Whsn s.rvicing o. handling circuit board. end oth.. compon.ht! which contein l..d in .old.r, .void unprotoctod !kin contact with
the 3oldor. Alao, when aold.rlng do not inhala eny amok. or lurnar produc.d.
NOTICE
(FOR CANADIAN MODEL ONLY)
Fuse symbols S (last operatingfuse) and/or * (slowoperating
fuse) on PCB indicate parts
that replacement
mustbe ol adentical
designation.
REMARQUE
(POUR MODELECANADIEN SEULEMENT)
Les symboles lusibleF
de evou -E8-
(fusible type rapide)
de (tusible type lent)sur CCI indiquent les
de que
pidces remDlacement
de doivent
avoir mCme
la dsionation.
( F O U S A M O D E LO N L Y )
R
l . S A F E T YP R E C A U T I O N S A N Y M E A S U R E M E N T SN O T W I T H I N T H E L I M I T S
The following check should l)e performed for the OUTLINED ABOVE ARE INDICATIVE OF A PO,
continued protection of the customer and service TENTIAL SHOCK HAZARD AND MUST BE COR-
technician. R E C T E DB E F O R ER E T U R N I N GT H E A P P L I A N C ET O
L E A K A G E C U R R E N TC H E C K THE CUSTOMER.
M e a s u r el e a k a g ec u r r e n t t o a k n o w n e a r t h g r o u n d
(water pipe, conduit, etc.) by connecting a leakage 2. PRODUCT SAFETY NOTICE
current tester such as Simpson Model 229 2 or M a n y e l e c t r i c a la n d m e c h a n i c a lp a r t s i n t h e a p p l i -
e q u i v a l e n tb e t w e e n t h e e a r t h g r o u n d a n d a l l e x p o s e d a n c e h a v e s o e c i a ls a f e t v r e l a t e dc h a r a c t e r i s t i c s . h e s e
T
m e t a l p a r t s o f t h e a p p l i a n c el i n p u t / o u t p u t t e r m i n a l s , a r e o f t e n n o t e v i d e n t f r o m v i s u a l i n s p e c t i o nn o r t h e
s c r e w h e a d s ,m e t a l o v e r l a y s ,c o n t r o l s h a f t , e t c . ) . P l u g p r o t e c t i o n a f f o r d e d b y t h e m n e c e s s a r i l yc a n b e o b -
t h e A C I i n e c o r d o l t h e a p p l i a n c ed i r e c t l y i n r o a 1 2 0 V t a i n e d b y u s i n g r e p l a c e m e n c o m p o n e n t sr a t e d f o r v o l -
t
A C 6 O H zo u t l e t a n d t u r n t h e A C p o w e r s w i t c h o n . A n y t a g e , w a t t a g e , e t c . R e p l a c e m e n tp a r t s w h i c h h a v e
current measuredmust not exceed O.5mA. t h e s e s p e c a a l a f e t y c h a r a c t e r i s t i c sa r e i d e n t i f i e d i n
s
this Service Manual.
Elect.icalcomponents having such features are
i d e n t i l i e db y m a r k i n gw i t h a A , o n t h e s c h e m a t i c sa n d
on the parts list in this ServiceManual.
0 smA T h e u s e o f a s u b s t i t u t er e p l a c e m e n c o m p o n e n tw h i c h
t
dose not have the same safety characteristics s the a
P I O N E E R e c o m m e n d e d r e D l a c e m e n to n e . s h o w n i n
r
Test all t h e p a r t s l i s t i n t h i s S e r v i c eM a n u a l ,m a y c r e a t es h o c k ,
fire, or other hazards.
Product Safety is conlinuouslyunder review and
new instructionsare issued trom time to time. For
the latest intormation, alwavs consult the current
plug reversed
(Using AC adaprer P I O N E E R e r v i c e M a n u a l . A s u b s c r i p t i o nt o , o r a d -
S
plug as requfed] ditionalcopies ol, PIONEER erviceManual may be S
obtained at a nominal charge from PIONEER.
A C L e a k a g eT e s l
XR-P74OM, XR-P64OM, XR-P34OM
xR-P7 N, XR-P64(), XR-P34()
(FOREUROPEANMODEL ONLY}
AVATTAESSA JA SUOJALUKITUS O E V I C EI N C L U O E S A S E R O I O D EW H I C H
L
OHITETTAESSA OLT ALTTIINA E M I T S I N V I S I B L EI N F R A B E DB A D I A T I O N
NAKYMATToMALLE LASERSATEILYLLE W I ] I C HI S D A N G E R O U T O E Y E S T H E R ES
S I
A L A K A T S OS A T E E S E E N A W A R N I N G I G NA C C O R O I N GO P I C T U R E
S T
] I N S I O E H ED E V I C E L O S E O T H EL A S E R
T C T
DtooE.
USYNIIG LASEESTRALING ED ABNING V
N A B S I K K E R H E D S A F B R Y D E F EU D E A F
ER
F U N K T I O N U N D G A U D S A E T T E L S EF o R T H I S P I O N E E RA P P A N A T U S C O N T A I N S
STFALING LASER OF CLASS ].
SERVICING OPERATION THEAPPARATUS
OF
SI-IOULD E DONE BY A SPECIALLY
B
INSTRUCTEDERSON P
O S Y N L I GL A S E A S T R A I N I N G A B D E N N A
N
DL AB oPPNAo ocH SPABaEN
AB URKOPPLAO ETRAKTA J STRALEN
A E
M A X I M U M O U T P U TP O W E R :5 m w
W A V E L E N G T H7 8 O 7 8 5 n m
:
LABETCHECK FORCD MULTI
1. LaserInterlockMechanism
Th6 ON/OFF{ON : low level,OFF: high levl)status of 3601 (LPS1}
and S602 (LPS2)switches for detecting rhe loading stat is detected
by the systern microprocessor, and the design prevents laser diode
exceptwhen borh switches (LPS1and LPS2Iare ON {low
oscillation
levelo. clampgdstate).
Thus, interlockwill no longerlunction it switches 360l {LPSI) and
S602 (LPS2)are dliberatlv shorted.
The intrlock also does not oDerat in the tst mode*.
Laserdiode oscillation will continue.if pin 1 ot M51593FP {lC101)
on the PRE-AMPEOARD assembly loaded on pickup assmbly are
connectedto GNO,or pin 19 is connectedto low level {ON),or else
the terminal6 O1O1 are shortedto each other lfault condition).
of
2. When the cover is openedwith the servomechanism block removd
and turnd over, close viewing of the objctive lens with the nakod
eye will causxposureto a Class 1 laser beam.
tr
FRONT
Continuour Av.rlgr Powqr Ou$ut i! 70 W!tt. pcr
ch.nn.l, mln., rt 8 ohmr Lom 50 HarE with no mor.
th.n t *.r totll h.rrnonic didortion.
Continuous Power Output (RMSI ................ W + 1OO
100 W
{1 kHz. T.H.D. 1oyo. O} 8
Peak Music Power.... ...............950 W
REAR
Continuous Power Output (RMS) .......................... W ....15
( 1k H zT . H . D . 0 % . 6O x 2 )
. 1 1
, STOP r, Fast << >> )
I Auto Function
is
Thismodel equipped wlth "AutoFunctionoperatron'so
whenthe switchfor PLAY/PAUSE, SELECTOR
DISC 1-6
BND.TAPE1/2, PLAY(tape), EANDis pressed,
or the
functionswitchesautomatically. theFUNCTION
Use button
to select component
the connected the VIDEO/AUX
to lN
iacks.since AutoFunction not eftective this.
ts for
NOTE:
Theluncton cannot swlched dunngrecatdngandtape
be
copying.
CD PLAYERS
a
(2)
DISC SELECTORbuttons (1-6)
OPEN/EJECT button
MULTI-PIAY CD PLAYER OPEN/CLOSEbutton
(3) STOPbutton(l)
( 4 ) PLAY/PAUSE button { >/ll }
Manual/Track search butlons ( K< ' +<, >>
. >Dl )
G) Magazine slot door
(0. Disc tray
Dolby nolse rcduction manufacturedunder hcense from Dalbv
pot
Laborcton s Lrc nsing Car atton.
e e
-DOLBY"
and the double'D symbol ffi arc trademarks of
Dolby Laboratoties Ltcensing Carpatatrcn
CD PLAYER
I -6
XR-P74()M, XR-P64()M, XR-P340M
xR-P7 N, XR-P640, XR-P34()
UN]T
REMOTE CONTROL UNIT
REMOTECONTROL
O PowER butron
@ Functionbutton (FUNCI
Eachtimethis button is pressed,the function changesin
the following sequence:
+ TAPE
VIDEO/AUX
TUNERBAND bufton
@ TAPEopration buttons
{SHIFT TAPE1,56s111 >>, Play < >,
Stop r, Recpause a ll l
To operate TAPE l. press the desired deck operation
buttonwhilepressing SHIFTTAPE (Excepttorthe
l. Rec
pausea ll button)
ONE-TOUCH KABAOKE button
(XR-P640/xR-P640Monly)
,G) KARAOKE button (XR-P7II0/XR-P740M
onlyl
@ P. BASSbutton (Exceptfot XR-PI|40/XR-
P340Ml
@ SFCMODEbutton
@ TIMERcontrol buttons (WAKE-UP,
SLEEP}
6l VOLUME(-/+l buttons
@ Number buttons
These tracknumbers a
buttons usedfor selecting
are ol
CDandscanningpreset
stations.
o CD operationbuttons
{DISC, Track searchK< >>, Pausell,
Stop r, Play >, RND (Randoml,REP
(Repeatl,PGM (Programll
@ D0SURROUND button
{XR-P640/XR-6/I0M only}
@ REARLEVEL(-/+) buttons
(Exceptfor XR-P34O/XR-P34{!M}
@ Test tone button {TESTI
(XR-P740/XR-P7'OM onlyl
@ CENTER LEVEL (-/+l buttons
(XR-P740/XR-P7'OM only)
@ DCMODEbutton
(XR-P740/XR-P7t[0M only]
@ CEIITER MODEbutton
{XR-P740/XR-P7'l{)M onlyl
XR-P74()M, XR-P640M, XR-P34()M
xF|-P7 40, XR-P640, XR-P34()
1.4 DISASSEMBLY
T CD MECHAASSYDIAGNOSIS
AND REPLACEMENT
1. Remove the cover.
2. OPEN the tray and lift the tray cap, pulling the bottom of the tray cap toward you. After removing the tray
cap, CLOSE the tray.
3. Remove the VOL knob and 2 screws (BBZ30P080FZK)holding the VR assy in place.
4. Remove the 3 screws between the front Daneland the chassis.
L/R sides: CBZ30P080FMC x2
Bottom side: BBZ30P080FZK x 1
5. Remove the lead wire from the cassettemecha assv from the chassis.
Screw: BBZ30P080FZK x I
6. Removethe front panel from the chassis(watching out for the claw on the left and right), and open the side of
the AF CD assy. (Refer to Fig. 1)
NOTE:
Do not remove the rear panel and AF CD assy at this time.
AF CD Assy
Fig. I
Under these conditions most of the PCB diagnosisand parts replacementcan be performed.
I REMOVAL AF CD ASSY
OF
1. Under the conditions of the previous paragraph, remove the rear panel and A-F CD assy.
(Do not separatethe rear panel and AF CD assy.)
XR-P340M (except KU type) and XR P340 . . Between rear panel and chassis.
Screw: BBZ30P080FZK x2
XR-P740M, 740, 640M, 640 and XR-P340IWKU . . Between rear panel and trans frame.
Screw: BBZ30P080FZK x3
1-8
XR-P740M, XR-P640M, XR-P340M
xR-P740, XR-P64{J--, XR-P34.o
1 . 5 B L O C KD I A G R A M
XR--P64O\I, XR-P640 ONLY
I
! -< ""n I
I
30omv (XFI-P7401,( 7a0)
71nV (XR-P54O'{ E40)
I POAER AI'IP
I
I
I
I
I S SP OUT
I S VO-Lri B\TFFER REAR
't
r t I I
I I
I
I c sP o{JT
l:oorntl! )cup740M xR-P74o o.LY
lc21 03 I c vo|-t.tiC BIJFFER CENTER I
I
t- - - -
MICMIX XR-P740M XR-P740 otl-Y
tc2201 ro TAPE
tc3301 (2/21
L,/R BAI-AE
FRONT SP OUT
tfll
rcr501
(/21
1c3501 r l l r
Q/2)
I l'i '5' t
I r& t
x*74o o^{-Y
$ ;-Y__i**74o*
POWERAMP MODULESECTION
FRONIT PO\A'ER AN,IP
L OVT
:"'
lI
R O(,'T
I
-.1
I
REAR PCTA/ERAT4P
I
l<,
::r:,."
C O'JT
!82
l I
I
S OTJT -l I
I
l--.o:::::'."
l+-o
MUTE
AC
BLc)\IV
OUTPUT LEVEL DETECT
cooL I r.rc
FAN
1-9
XR-P740M, XR-P64()M, XR-P340M
xR-P7 44, XR-P640, XR-P34()
a Pin Functionof Power Amo Module
Connector No. Name UO Description
+ 12V.M o + 12V separate
systemstabilized
output
2 UNREG 12 Unstabilized power input for - 12V
3 AC I input:for powerON/OFF
AC detecrion andMUTE.
4 tzv o Stabilizedpower output for - 12V
5 MUTE vo Mute external input; outputs intemal mut conditions;cancelsforced mute.
6 REF,GND I GND Ior protective circuit; referenceGND for short detection
cN7l01
7 BLOW I BLOW circuit extemal output; ON at :t0.5V or mo!e.
8 REG.GND I ReferenceGND for stabilizedpower source
9 UNREG+5 I powerinput for +5.6V
Unstabilized
10 UNREG + 12 I powerinput for +12V and +12V. M
Unstabilized
11 +5.6V o +5.6V stabilizedoutput
T2 +t2v o + 12V stabilizedoutput
1 CIN I Center signal input
2 S. GND I Signal input GND; floating interior type
3 srN I Surround signal input
4 OVERLOAD I Short detection input for Surround and Center channels
cN7l02
5 +82 I Power supply (+) for Surround and Center channels
6 82 I Power supply (-) for Surrcund and Center channels
7 C OUT o Center
speaker
output
8 S OUT o Surround speaker output
I REF. GND I ReferenceGND lor short detection
2 L OUT o Left speaker output
3 R OUT o Right speakeroutput
4 FAN I Forced fan circuit input (LOW speed)
5 +81 I Power supply (*) for L/R channels
cN7502
6 B1 Power supply ( ) for L/R channels
7 SHORT Short detection input for I-./Rchannels
8 LIN Left signal input
9 F. GND Signal input GND; floating interior type
10 RIN Right signal input
XR-P740M, XR-P640M, XR-P34()M
xR-P7 40, XR-P64trJ_, XR-P340
1.6 IC INFORMATION
c The information shown in the list is basic information
and may not correspond exactly to that shown in the
schematic diagrams.
I rc9268F ilc84o1 : AF cD AssY)
O X-A Modulation-TypeDA Converter with
Built-in 8-fold OversamplingDigital Filter
o PinAssignment (TopView) o Block Diagram
LrcK MX MTA K EF rcK WX
LrcX
rcK
EF
WA
- WX
xo
XI
NX
o Pin Function
No. Symbol VO Description Remarks
I VDD Digital part power supply terminal
"L"
2 T1 I Test terminal; normally used on
GNDA Analog part ground terminal for R channel
4 RO o R channel data right output terminal
RO o R channel data inverse output terminal
6 VDA Analog part power supply terminal
7 LO o L channel data inverse output terminal
8 LO o L channel data right output terminal
9 GNDA Analog part ground terminal for L channel
10 GNDD Digital part ground terminal
ll GNDX Crystal-oscillating part ground terminal
L2 XI I
r
IJ XO o
t4 vDx Crystal-oscillating part power terminal
15 MCK o System clock output terminal
De-emphasisfilter control terminal;
16 EMP I "H":
filter ON,
"L":
de-emphasis
filter OFF
de-emphasis
Standard/double-speedoperating mode changeoverterminal;
L7 HS I "H": "L":
standardoperation, double-speed
operation
18 DATA I Data input terminal
19 BCK I Bit clock input terminal
20 LRCK LR clock input terminal
1-11
XR-P740M, XR-P640M, XR-P340M
xR-P7 40, XR-P6 Q, XR-P340
I PD4493A{tC19O1 DtSpLAyASSYfor MULTT
: CDI
O System Control Micro-computer
(TopView)
o PinAssignment
No. Name Function vo Description
15 so1 ]D DAT/ c LSI control data serial outout
GO. 16 SIl SQSO I SubcodeQ data serial input
60 ?
60a
609
c r o
L7 IESEl Reset input
l8 P74 }162STB N 9162 strobe output
E t L E ( D I S P L ^ Y ) EX LE Extension port (AF system) latch
19 P73 (AF) N
pulse
20 AVss AVss Connectedto GND.
2l ANIT JOGA
JOGInput
22 ANI6 JOGB
23 ANIs
V',
24 ANI4
t t
-T'
T 25 ANI3 A/D Spectrum analyzer input
26 ANI2
O Pin Function
27 Pl1
No. Name Function VO Description
TUNE/ TUNE/STEREO status
28 P10 A/D
I FIP6 6G STEREO discrimination
input
2 FIPs 7G 29 AVoo AVoo
Connectedto +5V.
3 FIP4 8G 30 AVnrr AVnrr
4 FIP3 9G P FL grid 31 P04 FCOK I Focus OK input
5 FIP2 10G 32 xT2 o Open
t) FIPl 11G 33 Vss Connectedto GND.
FIPO rzc 34 X1
8 Voo Vop Connected *5V.
to 35 x2 o
9 SCKO EX CLK N Extension port serial clock output 36 P37 DCNT I Disc count pulse input
10 so0 'X DATI N Extension port serial data output 37 P36 DCHM I Disc selector home SW
EX LE Extension port (display system) 38 P35 MZSZ
11 P25 ,DISPLAY' c
latch oulse I
39 P34 MZSl
POWER
T2 P24 C POWER ON/OFF
ON/OFF 40 P33 INSD I Slider inside SW input
IJ P23 CD XLT L LSI control data latch oulse 4l P32 LP52
I
L4 SCKl CD CLK t- LSI control data serial clock 42 P31 IPSl
1-12
XR-P74()M, XR-P640M, XR-P34()M
xR-P7 &, XR-P640, XR-P34()
No. Name Function uo Description No. Name Function vo Description
LSI operating status multi-mode 69 FIP17 P6 P
P30 SENS I FL segment
iDput
70 FIP16 P5 P
44 P03 GFS I Frame/syncMock input
71 Connectedto 30V.
45 INTP2 SCOR I Subcode synch SO + SI input
72 FIP15 P4 P
46 INTPl AC I AC input
73 FIP].4 P3 P
47 INTPO REM I Remote control sigrralinput FL segment
74 FIP13 P2 P
48 tc Connectedto GND.
75 FIP12 P1 P
49 P72 PLL CE PLL latchpulse
76 FIP11 P
50 P71 PULSE2 I Tape 2 reel pulse input
77 FIPlO 2G P
51 P70 PULSEl I Tape 1 reel pulse input
78 FIPg 3G P FL grid
52 Connectedto +5V.
79 FIP8 4G P
PI27
80 F1P7 5G P
PT26
I Key scani[put
55 P125 Note)
I : Input
56 P124 A/D : Analog Input
PLL 9162
O : CmosArtput
57 P123 DATA/ P PLL and 9162 serial data N : Nch OpenDrain Output
KO11 P : Pch OpenDrain Output
PLL 9762
P122 cLw P PLL and 9162 clock
KO10
59 FIP27 P16/KO9 P
60 FIP26 P15/KO8 P
FIP25 Pr4tKOT P
62 FIP24 P13/KO6 P
63 FIP23 P12lKO5 P
FL segment and
64 FIP22 P11/KO4 P key scan output
FIP21 P1o/KO3 P
66 FIPzO P9tKO2 P
FIP19 P8/KO1 P
68 FIP18 P7lKO0 P
XR-P7@M, XR-P640M, XR-P340M
xR-P7 &, XR-P64{J_, XR-P340
I PD4492A {lC19O1 : DISPLAYASSY for SINGLECDI
O SystemControlMicro-computel
o Pin Assignment (Top View)
o o o o o o
_ 0 i
o o o o :
! , ) ) ) ) ) )
No. Name Function uo Description
15 so1 ]D DATA c LSI control data serial outout
GO6 16 SI1 SQSO SubcodeQ data serial input
co?
coa
coa
6 r o
L7 RESEl Reset input
G rr
6ta
18 P74 )162STB N 9162 strobe output
lr cLr
ar o^i^
ar Ll(oratLAY) EX LE Extension port (AF system) latch
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