Service
Manual
/oo.
^
-5
-8
-9
(v)
proNeerl"
Tlp
Art
ot Entertaiment
STEREO
MULTI-PLAY
CD
CASSETTE
DECK
RECEIVER
x
x
R.P7
-P64olul
-P34()M
4()M
CD
CASSETTE
DECK
RECEIVER
ORDER NO.
RRV1O23
R
R
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o
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o
4
4
4
7
6
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P
P
P
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STEREO
XR
XR
XR
r
CONTENTS
CHAPTER
1
1.8 PARTS
LIST
FOR PACKING
AND
EXPLODED
VTEWS
... .......
..............
1
-
38
1.9
PCB PARTS
LIST
...
1-47
CHAPTER
2
2.1
PACKING
AND EXPLODED
VIEWS
, .
2-2
2.2
SCHEMATIC
AND
PCB CONNECTION
DfAGRAMS
.........2-16
-tl
-20
6
_EB
q
_f__l:i
io
:tr)lo6a-
o6tb
.68
it
a5
THIS
MANUAL
IS
APPLICABLE
TO
THE FOLLOWING
IVIODEL(SI
AND TYPE(S}.
Typ.
Modol
Powor
Roquhemant
Tha vohago
cln ba
convanod
by lh. folowlng
m.thod.
xR-P740M
xR-P740
xR-P640M
XR-P6/|{)
xR-P3/l(,M
xR'P340
SD
o
o
o
o
o
o
AC110V
t120-
127V
I
220V
t240V
With the
voltago solector
o
o
o o
AC240V
KU
o
AC120V
KC
o
AC120V
PIONEER
ELECTRONIC
CORPORATION
4,j, Mesuro
I chome, Mesuro
ku, rokyo 1s3
Japan
PIONEER
ELECTRONICS
SERVTCE lNC.
pO
Box 1760,
Long
Bea;h, CatrJornra
90801 U.S.A.
PDNEERELECTROI{ICSOFCANAOA,tNC.3O0A
slareparkwayN.4arkham,OntanoL3BOp2Canada
PIONEER
ELECTROT{IC
[EUROPE]
N.V Haven
jO87
Keetberataan
t,9j2O Met;ete.
Betorurn
PIoNEEB
ELEcrRoNlcs
AusrBALla Pw.
LTD. r78 r84
Boundary
ioad
B aesroe. vr.fo.ra
3195
Ausrra
a
TLL
o P|oNEER
ELECTRONTC
CORPORATTON
1993.
r DFF
[03]
580,99r1
DEC. 1993
Printed
in
Japan
XR-P74()M,
XR-P64()M,
XR-P34()M
xR-P7
&, XR-pOaO,
XR-P34()
CHAPTER
1
1.1
SAFETY INFORMATION
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
adversely
aftoct
ths.satety
and retiability
of 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 repair to
a
qualllled
servlce techniclan.
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
operating fuse) and/or
€*
(slow
operating fuse) on PCB indicate
that
replacement
parts
must
be ol adentical designation.
REMARQUE
(POUR
MODELE
CANADIEN
SEULEMENT)
Les symboles
de lusible
€F
(fusible
de type rapide) evou
-E8-
(tusible
de type lent)
sur CCI indiquent
que
les
pidces
de remDlacement
doivent avoir la mCme
d€sionation.
(FO
R
USAMODEL
ONLY)
l.SAFETY PRECAUTIONS
The following
check should l)e
performed
for the
continued
protection
of the customer
and service
technician.
LEAKAGE
CURRENT CHECK
Measure
leakage
current to a known earth
ground
(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 appliance
linput/output
terminals,
screwheads,
metal
overlays,
control shaft, etc.). Plug
the
AC Iine
cord ol the
appliance directly inro
a
1 20V
AC
6OHz
outlet
and turn
the
AC
power
switch on.
Any
current
measured
must not
exceed
O.5mA.
ANY MEASUREMENTS
NOT WITHIN
THE
LIMITS
OUTLINED ABOVE ARE INDICATIVE
OF A PO,
TENTIAL SHOCK HAZARD AND
MUST BE
COR-
RECTED BEFORE RETURNING
THE APPLIANCE TO
THE CUSTOMER.
2. PRODUCT
SAFETY
NOTICE
Many
electrical and
mechanical
parts
in
the appli-
ance have soecial safetv related characteristics. These
are often not evident
from visual
inspection nor the
protection
afforded by them
necessarily
can be
ob-
tained
by using
replacement components rated
for vol-
tage, wattage, etc.
Replacement
parts
which have
these specaal safety characteristics are identified in
this Service Manual.
Elect.ical
components
having
such features are
identilied
by marking
with
a
A,
on 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 reDlacement
one.
shown in
the
parts
list in this Service
Manual, may
create shock,
fire,
or other
hazards.
Product Safety is conlinuously
under
review
and
new instructions are issued
trom time to time.
For
the latest
intormation, alwavs consult the current
PIONEER Service
Manual. A
subscription
to,
or ad-
ditional
copies ol, PIONEER Service
Manual
may
be
obtained at a
nominal
charge
from PIONEER.
0 smA
Test
all
plug
reversed
(Using
AC
adaprer
plug
as requfed]
AC
Leakage
Tesl
XR-P74OM, XR-P64OM,
XR-P34OM
xR-P7
N,
XR-P64(), XR-P34()
(FOR
EUROPEAN MODEL ONLY}
AVATTAESSA
JA
SUOJALUKITUS
OHITETTAESSA OL€T ALTTIINA
NAKYMATToMALLE
LASERSATEILYLLE
ALA KATSO SATEESEEN
USYNIIG LASEESTRALING VED ABNING
NAB SIKKERHEDSAFBRYDEFE
ER
UDE
AF
FUNKTION
UNDGA
UDSAETTELSE FoR
STFALING
OSYNLIG LASEASTRAINING NAB DENNA
D€L
AB
oPPNAo ocH SPABaEN
AB
URKOPPLAO
AETRAKTA EJ STRALEN
OEVICE INCLUOES LASER
OIODE
WHICH
EMITS INVISIBLE INFRABED BADIATION
WI]ICH IS
DANGEROUS
TO
EYES
THERE IS
A WARNING SIGN ACCOROING TO PICTURE
] INSIOE THE
DEVICE CLOSE
TO
THE LASER
DtooE.
THIS PIONEER APPANATUS
CONTAINS
LASER OF CLASS
].
SERVICING OPERATION OF
THE
APPARATUS
SI-IOULD BE DONE BY A SPECIALLY
INSTRUCTED
PERSON
MAXIMUM
OUTPUT
POWER:
5
mw
WAVELENGTH: 78O 785 nm
LABET
CHECK
tr<
Refer to
page
1
-29.
FOR
CD SINGLE
FOR CD MULTI
1. Laser Interlock Mechanism
Th6 ON/OFF
{ON
: low level, OFF : high lev€l)
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
oscillation
except when borh switches
(LPS1
and LPS2I are ON
{low
level o. clampgd
state).
Thus, interlock will no longer
lunction it switches 360l
{LPSI)
and
S602
(LPS2)
are d€liberat€lv
shorted.
The int€rlock
also does not oDerat€ in
the t€st mode*.
Laser
diode oscillation will continue. if
pin
1 ot M51593FP
{lC101)
on the PRE-AMP
EOARD assembly loaded on
pickup
ass€mbly are
connected to GNO,
or
pin
19 is connected to low level
{ON),
or else
the terminal6
of O1O1 are shorted to each
other lfault condition).
2. When
the cover is opened
with the servo mechanism
block
remov€d
and turn€d
over, close viewing of the obj€ctive lens
with the nakod
eye will caus€
€xposure to a Class 1 laser beam.
CAUTION
[{vrsr8r,E rAsER
RA0tATtot{
wHHrl oPtN.
AVOIO
TXPOSUR€
T0
EEAM aRw1o23
CLASS 1
LASER
PRODUCT
1.
Laser Interlock Mechanism
The
posilion
of the switch
(5601)for
detecting loading srare is
detecred by
the system microprocessor,
and the design
prevents
laser diode
oscillation when
the switch
(5601)
is not on CLMP
terminal side
{CLMP
signal is OFF or high
level,}.
Thus,
the interlock will no longer
function if rhe
switch
(5601)is
deliberately
set to CLMP terminal
side.
{low
level).
The interlock also
does not function in the
test mode*.
Laser
diode oscillation will continue,
if
pin
1 of M51593FP
(lC1O1)
on the PRE-AMP
BOARD ASSY mounted
on the
pickup
assembty
is
connected to
GND, or
pin
19 is connected
to
low
level
(ON),
or else
the terminals
of O1O1
are shorted to each other
lfault condition).
2. When the cover
is opened,
close
viewing
of the objective lens
with
the naked eve will
cause exoosure to
a Class
1
laser beam.
ARW1021
ARW
1 023
tr<
Refer to
page
1-29.
|
-J
XR-P74()M,
XR-P64()M,
XR-P340M
xR-P7
Q, XR-P64(),
XR-P3@
1.2
SPEC|F|CATIONS
STEREO
CD CASSETTE DECK RECEIVER/STEREO
MULTI-PLAY
CD CASSETIE DECK
RECETVER: XR-
n 0
I
x3'P,
&NU
XR-Pr6aO/XR-F6{!M/XR+AO/XR-
P3/('M
Ampliftcr
scction
<XR-E
iOlXR-E
a0i/b
FRON|T
Continuou. Av.ng.
Pow.r Oueqt
i.70 W.ttro
p.r
cfiannC, min.,
rt 8 ohm. from
50 H.rt with
no mor.
th.n 1 96..
totrl hrrrf|onlc
dirtortion,
Continuous
Power
Outout
{RMS}
................ 100
W + 100 W
(1
kHz. T.H.D.
'10%.
8 O)
Peak
lMusic
Power....
.. ........1050
W
REAR
Continuous
Power
Output
(RtvlS).................................
1 5 W
(1
kHz. T.H.D.
10%, 16
O x 2)
cf,]{TEn
Continuous Power
Output
(RMS)......-..........................
1 5 W
(1
kHz, T.H.D.
107o. 16
O x 2)
<XR-P6,rc/XR-P6,lltM>
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
................
100 W + 1OO W
{1
kHz. T.H.D. 1oyo.
8 O}
Peak
Music Power....
...............950
W
REAR
Continuous Power
Output
(RMS)
..........................
....15
W
(1
kHz. T.H.D. 10%.
16 O x 2)
<XR-P:,IO/XR-P3alll/b
FRONT
Condnuou.
Avr
g.
Pow.r Oufprrt
i. 33 W.ttr.
p..
.h.nnal,
min., !t 8
ohm.lrom 50 HarE
with no mora
th.n I
.ta.r
tot l hlrrnonic
di.tortlon.
Continuous Power
Output
(RMS)
................._..50
W +
50
W
(1
kHz, T.H.D.
1oYo,
I Ol
....................................500
w
CD Scction
Type................................Compact
disc digiral audio
system
Wow and Fluttsr................................
Limit ol m66suremont
G0.001%
W.PEAK)
or
less
(EIAJ)
Cassdte deck
3.ction
Systems
........................
-................
4 track, 2-channel
stereo
Heads.......................................
Record;ng/playbsck
head x 1
Plavback
head x 1
Erasing he6d x 1
Motor .....................................................
DC s6rvo motor x 1
Tape
type .............. TYPE |
(Normal)
tape/TYPE ll
(CrO2)
tap€
Peak Music Power
FM/AM
tun.r slstion
FM Tunrr
Soction
Frgqu€ncy
Range
(9
kHy'l0 kHz
step) ..............................7.5
MHz
to 108 MHz
Antenna Input
...75
ohms unbalanced
Alli Tunce
Scc.tlon
Frequency
Rang€
With 10 kHz
step .. ........................530
kHz
to 1,700 kHz
With I kHz
st€p .............................531
kHz
to
1,602
kHz
Antenna....................
... Loog Antenna
Miscellanaous
Power
Roquirements
Singapor€
model.......................226n'n40
V. 50/60 Hz
Other mode|
.............. ..1101t2G127l22O/240
V.
50/60 Hz
Power
Consumption
(xR-P740lKR-p740M)
.
.........444lw
(xR-P640r(R-P64oM).
.........432
W
fiR-P3401(R-P340M
)
.
.........276,W
Dimensions .....................260
W)
x
371.5
(H)
x 295
{D)
mm
(XR-P74OAR-P74OMIXR-PAOAR.PAOM}
260
{W)
x 310
(H)x
29S
(D)
mm
(xR-P340lXR_P340M)
Weight
(withour
packagel
(xR-P740t\,1r(R-p640M)
..........................................9.5
ko
(xn-p740lxn-pan0l
.
.............. ....
....e.e ii
rxR-P34oM)
. . ....
..2.a ri
(xR-p3401........
..........0.2
ri
XR-P74OM, XR-P64OM,
XR-P34OM
)(R-P7
Q.
XR-P6@, XR-P34O
1.3
PANEL
FACILITIES
This rilustratron
shows
model
XR-P640.
RECEIVER
The XR-P340/XB-P340fi/ is 1ot
eaurpped
w
n
the butto4s
OF
a.
O)
DOLBY SURROUND
ON/OFF
button
^
(XR-P640/XR-P6/OMonly)
(1)'
CENTER/REAR button
_
{XR-P74|!/XR-P740M
only}
(?
Display
€)
REAR LEVEL
(+,
-)
buttons
^
IXR-P64|!/XR-P640M
only)
t3'
CENTER/REAR LEVEL
(+,
-l
buttons
^
(XR-P74{I/XR-P740M
only}
Qt
SURROUND ON button
^
(XR-P64O/XR-P6/rcMonly)
€)'
CENTER
MODE bufton
_
(XR-P74{,/XR-PT/OMonly}
(t
SURBOUND OFF button
^
IXR-P6/t0/XR-P$oMonly)
Q)'
m MODE bufton
(XR-P740/XR-P740M
only)
G)
INPUT BALANCE control
^
(XR-P640/XR-P6/0Monly)
€)'
BALANCE
(L,R)
control
_
(XR-P740/XR-P740M
only)
(,
POWER
STANDBY/ON
swhch and STANDBY
indicator
This
rs
rhe
switch
for
electfic
power.
ON:
When
set to the ON
position,
oower
is
supplied and the unit becomes operational.
STANDBY: When ser to the STANDBY oosition. the
n'arn
power
tlow rs
cut and the r,nrt
.s
no
longer fully
operational.
A minute flow
of
power
feeds
the ,.inrt to
maintain operation
^
readiness.
fihe
STANDBY
indicator lights.)
(O
Microphons
iack
(MlC)
(9)
FUNCTION
(TDEMO)
button and
indicators
Each time this button is
pressed,
the function changes
in
the
following
sequence
lThe
seiocted
tlnction is
displayed
in
the display
window
and
indicator.i:
-
rUNEB
-------+
rAPE
-+
CD
I
I
vrDEo,/AJX <---------------
60
ND
02
03
04)
6b
@
f,
6A
09)
6
al)
6a
@
@
BAND button
VOLUME
control
FREO/STATION button
MIG
LEVEL control
CLOCK/CLOCK ADJ button
WAKE-UP/REC
button
SOUND FIELD OONTROL buttons
(HALL.
D|SCO. MOVIE)
MEMORY
button
AUTO TUNING
button
MONO button
TUNING
JOG knob
P. BASS
button
ONE-TOUCH KARAOKE bufton
STWIDE button
(XR-P7/O/XR-P74OM/XR-P641)/
XR-P6/|t!M)
SURROUND & ST WIDE button
(xR-P340/XR-P340M)
Hsadphones
iack
(PHONES)
Manufactured
under license frcm Dolby Labo?toies Ltcensing
DOLBY
and the double-D symbol
@
are trademarks ol
Dolby
La bo
ta
to
n
e s Li ce
n
si ng C a rpo ra tton.
1-5
XR-P74()M,
XR-P621()M,
XR-P34()M
xR-P7
&,
XR-P64(),
XR-P340
TAPE DECK
MULTI-PIAY
CD
PLAYER
CD PLAYER
TAPE
DECK
Q
TAPE
I ca$etto
door
q)
TAPE
I EJECT soction
(A)
Q)
TAPE ll EJECT
s.ction
(A
)
(4)
TAPE ll cassctto
door
6
fnPt 1/2 soloctor
button
@
DOLBY. NR
B/C OFF
butron
(XR-P74O/XR-
P?40M and
XR-P6/0/XR-P640M)
Each
lime this
button
is
pressed,
DOLBY
NB settlng
chanoesB*C*OFF.
@'
oor--ev.
NR oN/OFF
button
(XR-P3/o/XR-
P3/0M
only)
Each time
this button
is
pressed,
DOLEY
NR sYstem
turns
ON and OFF.
CD Rec
pause
button
(
a ll
)
tD
aSe-S
(nuto
Synchro
Editing System)/GOPY
button
@
TAPE
op6ration
buttons
(PLAY
<
>,
STOP
r, Fast
<<
>>
)
I
Auto Function
This model
is
equipped
wlth
"Auto
Function operatron'
so
when the switch
for PLAY/PAUSE,
DISC SELECTOR
1-6
BND. TAPE
1/2,
PLAY
(tape),
or
EAND
is
pressed,
the
function switches automatically.
Use the
FUNCTION
button
to select
the component
connected
to the
VIDEO/AUX
lN
iacks. since
Auto Function
ts not eftective
for this.
NOTE:
The
luncton
cannot be swlched
dunng
recatdng
and tape
copying.
PLAYERS
DISC
SELECTOR
buttons
(1-6)
OPEN/EJECT
button
OPEN/CLOSE
button
STOPbutton(l)
PLAY/PAUSE
button
{
>/ll
}
Manual/Track
search
butlons
(
K<
'
+<, >>
.
>Dl
)
Magazine
slot
door
Disc tray
Dolby
nolse rcduction
manufactured under
hcense
from Dalbv
Laborcton e
s Lrc e
n
s
i ng Car
pot
atto
n.
-DOLBY"
and the
double'D
symbol
ffi arc trademarks
of
Dolby Laboratoties
Ltcensing
Carpatatrcn
CD
a
(2)
(3)
(4)
G)
(0.
I
-6
XR-P74()M, XR-P64()M,
XR-P340M
xR-P7 N, XR-P640,
XR-P34()
REMOTE CONTROL
UN]T
REMOTE CONTROL
UNIT
O
PowER butron
@
Function button
(FUNCI
Each
timethis button
is
pressed,
the
function changes in
the
following sequence:
+
TAPE
VIDEO/AUX
@
TUNER BAND
bufton
TAPE op€ration buttons
{SHIFT
TAPE 1, 56s1
11 >>, Play
< >,
Stop
r, Rec
pause
a ll
l
To operate TAPE
l.
press
the desired deck
operation
buttonwhile
pressing
SHIFTTAPE
l.
(Excepttorthe
Rec
pause
a ll button)
ONE-TOUCH KABAOKE
button
(XR-P640/xR-P640M
only)
KARAOKE button
(XR-P7II0/XR-P740M
onlyl
P. BASS button
(Except
fot
XR-PI|40/XR-
P340Ml
SFC
MODE button
TIMER control buttons
(WAKE-UP,
SLEEP}
VOLUME
(-/+l
buttons
Number buttons
These
buttons are used
for selecting track
numbers ol a
CD and scanning
preset
stations.
CD operation
buttons
{DISC,
Track search
K< >>, Pause
ll,
Stop
r, Play >, RND
(Randoml,
REP
(Repeatl,
PGM
(Programll
D0 SURROUND button
{XR-P640/XR-6/I0M
only}
REAR LEVEL
(-/+)
buttons
(Except
for 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)
DC MODE
button
(XR-P740/XR-P7t[0M
only]
CEIITER MODE button
{XR-P740/XR-P7'l{)M
onlyl
,G)
@
@
@
6l
@
o
@
@
@
@
@
@
XR-P74()M,
XR-P640M, XR-P34()M
xF|-P7 40, XR-P640,
XR-P34()
1.4 DISASSEMBLY
T
CD MECHA ASSY DIAGNOSIS 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
Danel and
the chassis.
L/R sides: CBZ30P080FMC
x2
Bottom side: BBZ30P080FZK
x
1
5. Remove the lead wire from the cassette mecha assv from the chassis.
Screw: BBZ30P080FZK
x
I
6. Remove the 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 diagnosis
and
parts
replacement can be
performed.
I
REMOVAL OF AF CD ASSY
1. Under the conditions of the
previous paragraph,
remove the
rear
panel
and A-F CD assy.
(Do
not separate the 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 BLOCK
DIAGRAM
XR--P64O\I, XR-P640 ONLY
!
-<
""n
I
I
I
I
I
I
I
I
I
I
l:oorntl!
)cup740M xR-P74o o.LY
I
30omv
(XFI-P7401,(
7a0)
71nV
(XR-P54O'{
E40)
POAER
AI'IP
BIJFFER
CENTER
S SP OUT
ro TAPE
FRONT SP OUT
S VO-Lri€
B\TFFER
REAR
rt
I
I
't
I
I
I
I
c sP
o{JT
I
I
lc21 03
c
vo|-t.tiC
tc3301
MIC MIX
tc2201
(2/21
t-
-
- -
XR-P740M XR-P740
otl-Y
tfll
rl
lr
I
l'i
'5'
t
I
r&
t
$
;-Y_ _i**74o*
x*74o o^{-Y
L,/R
BAI-A€E
FRONIT PO\A'ER
AN,IP
REAR
PCTA/ER AT4P
L OVT
:"'
R O(,'T
I
l<,
l
I
I
-.1
I
::r:,."
l
I
I
-l
I
I
:::::'."
C O'JT
!82
S OTJT
l--.o
l+-o
MUTE
AC
BLc)\IV
cooL I
r.rc
FAN
rcr501 1c3501
(/21
Q/2)
POWER AMP MODULE
SECTION
OUTPUT LEVEL
DETECT
1-9
XR-P740M,
XR-P64()M,
XR-P340M
xR-P7 44, XR-P640, XR-P34()
a
Pin
Function
of
Power Amo
Module
Connector
No.
Name UO
Description
cN7l01
+ 12V.
M o
+
12V separate system stabilized output
2 UNREG
12 Unstabilized
power
input for
-
12V
3
AC I AC detecrion input: for
power
ON/OFF and MUTE.
4
tzv o Stabilized
power
output for
-
12V
5 MUTE
vo Mute external input; outputs intemal mut€ conditions; cancels forced mute.
6 REF, GND I GND
Ior
protective
circuit;
reference GND for
short detection
7 BLOW I BLOW circuit extemal output; ON at
:t0.5V
or mo!e.
8 REG. GND I Reference GND for stabilized
power
source
9 UNREG
+5
I Unstabilized
power
input for
+5.6V
10 UNREG
+
12 I Unstabilized
power
input for
+12V
and
+12V.
M
11
+5.6V
o
+5.6V stabilized output
T2
+t2v
o
+
12V
stabilized output
cN7l02
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
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
cN7502
I REF. GND I Reference
GND lor short detection
2 L OUT o Left speaker
output
3
R
OUT o
Right speaker output
4 FAN I
Forced fan circuit input
(LOW
speed)
5
+81
I
Power supply
(*)
for L/R channels
6 B1
Power supply
(
)
for L/R channels
7
SHORT Short detection
input for I-./R channels
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-Type
DA Converter
with
Built-in 8-fold Oversampling
Digital Filter
o
Pin Assignment
(Top
View)
o
Block Diagram
LrcX
rcK
EF
WA
-
WX
xo
XI
NX
LrcK MX MTA K EF rcK WX
o
Pin Function
No. Symbol
VO
Description
Remarks
I VDD Digital
part power
supply terminal
2
T1
I
Test terminal; normally
used on
"L"
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
IJ XO o
r
t4
vDx
Crystal-oscillating
part power
terminal
15 MCK o System clock
output terminal
16 EMP I
De-emphasis filter control terminal;
"H":
de-emphasis
filter ON,
"L":
de-emphasis filter OFF
L7 HS I
Standard/double-speed operating
mode changeover terminal;
"H":
standard
operation,
"L":
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
:
DtSpLAy
ASSY
for
MULTT
CDI
O
System
Control Micro-computer
o
Pin
Assignment
(Top
View)
GO.
60
?
60a
609
cro
Et LE(DISPL^Y)
T
-T'
No.
Name Function
vo
Description
15
so1 ]D
DAT/
c LSI control
data
serial outout
16
SIl SQSO
I
Subcode
Q
data
serial
input
L7
Reset
input
IESEl
l8 P74
}162 STB N
9162 strobe
output
19
P73
EX LE
(AF)
N
Extension
port
(AF
system)
latch
pulse
20
AVss AVss
Connected to
GND.
2l
ANIT
JOG
A
JOG
Input
22 ANI6
JOG
B
23
ANIs
A/D
Spectrum analyzer
input
24 ANI4
25 ANI3
26 ANI2
27
Pl1
28
P10
TUNE/
STEREO
A/D
TUNE/STEREO
status
discrimination input
29 AVoo
AVoo
Connected to +5V.
30 AVnrr
AVnrr
31
P04 FCOK
I Focus OK input
32 xT2
o Open
33 Vss
Connected to GND.
34 X1
35
x2
o
36
P37 DCNT I Disc count
pulse
input
37 P36
DCHM I Disc selector home
SW
38
P35
MZSZ
I
39 P34
MZSl
40
P33 INSD I Slider inside SW input
4l P32 LP52
I
42 P31 IPSl
V',
tt
O
Pin
Function
No.
Name Function
VO
Description
I FIP6
6G
P FL
grid
2 FIPs
7G
3 FIP4
8G
4
FIP3 9G
5
FIP2 10G
t)
FIPl
11G
FIPO rzc
8 Voo Vop
Connected to *5V.
9
SCKO EX
CLK N Extension
port
serial clock
output
10
so0 'X DATI
N Extension
port
serial data
output
11 P25
EX LE
,DISPLAY'c
Extension
port
(display
system)
latch
oulse
T2 P24
POWER
ON/OFF
C POWER
ON/OFF
IJ
P23
CD XLT
L
LSI control data latch
oulse
L4 SCKl
CD CLK t-
LSI control
data serial clock
1-12
XR-P74()M,
XR-P640M,
XR-P34()M
xR-P7 &,
XR-P640,
XR-P34()
No. Name Function uo
Description
P30 SENS
I
LSI operating status multi-mode
iDput
44 P03 GFS I
Frame/syncMock input
45 INTP2 SCOR I Subcode synch SO
+ SI input
46 INTPl
AC I AC input
47 INTPO REM I Remote control
sigrral input
48 tc Connected to GND.
49 P72 PLL CE PLL latch
pulse
50 P71 PULSE2
I Tape 2 reel
pulse
input
51 P70 PULSEl I Tape
1 reel
pulse
input
52
Connected to
+5V.
PI27
I Key scan i[put
PT26
55 P125
56 P124
57 P123
PLL 9162
DATA/
KO11
P PLL and 9162 serial data
P122
PLL 9762
cLw
KO10
P PLL and 9162 clock
59 FIP27
P16/KO9 P
FL segment
and
key scan output
60 FIP26 P15/KO8 P
FIP25 Pr4tKOT P
62
FIP24 P13/KO6 P
63
FIP23 P12lKO5 P
64 FIP22 P11/KO4 P
FIP21 P1o/KO3P
66 FIPzO P9tKO2 P
FIP19
P8/KO1 P
68 FIP18 P7lKO0
P
No. Name Function
vo
Description
69 FIP17 P6
P
FL segment
70 FIP16
P5 P
71
Connected
to 30V.
72
FIP15 P4 P
FL segment
73
FIP].4 P3 P
74 FIP13
P2 P
75 FIP12
P1 P
76 FIP11 P
FL
grid
77 FIPlO
2G P
78 FIPg 3G P
79 FIP8
4G P
80 F1P7 5G
P
Note)
I : Input
A/D : Analog Input
O :
Cmos
Artput
N : Nch Open Drain Output
P : Pch Open Drain Output
XR-P7@M,
XR-P640M,
XR-P340M
xR-P7
&,
XR-P64{J_,
XR-P340
I
PD4492A
{lC19O1
: DISPLAY
ASSY
for
SINGLE
CDI
O
System
Control
Micro-computel
o
Pin
Assignment
(Top
View)
oooooo
_0i!,))))))
oooo:
GO6
co?
coa
coa
6ro
Gr r
6ta
lr cLr
ar o^i^
ar Ll(oratLAY)
ltr
No. Name
Function uo
Description
15 so1
]D DATA c LSI control
data serial outout
16
SI1 SQSO Subcode
Q
data serial
input
L7 Reset
input
RESEl
18 P74 )162 STB N 9162 strobe
output
19 P73
EX LE
(AF)
N
Extension
port
(AF
system) latch
pulse
20 AVss AVss
Connected to GND.
2l
ANIT
JOG
A
JOG
Input
22 ANI6
JOG
B
23 ANI5
A/D Spectrum
analyzer input
24 ANI4
25 ANI3
26 AN12
27
P11
28 P10
TUNE/
STEREO
A/D
TUNE/STEREO status
discrimination input
29 AVoo AVoo
Connected to
+5V.
30 AVnBr AVnBn
31 P04 FCOK I
Focus OK input
32
xT2
o Open
JJ
Vss Connected to GND.
34 x1 I
35
x2
o
36
P37
c Not used
JI
P36
38 P35
39
P34
40
P33 INSD I Slider inside SW input
47 P32 OPEN I
OPEN completion SW input
42
P31 CLAMP I CLAMP completion SW input
o
Pin Function
No. Name Function
VO Description
I
FIP6 6G
P FL
grid
2 FIP5 7G
J
FIP4 8G
4 FIP3
9G
5 FIP2 10G
o
FIPl 1lG
FIPO L2G
8
Vno Voo Connected to +5V.
9 SCKO EX CLK N Extension
port
serial clock output
10 so0 ]X DATT N Extension
port
serial data output
11 P25
EX LE
DISPLAY)
c
Extension
port
(display
system)
latch
pulse
12 P24
POWER
ON/OFF
c POWER ON/OFF
P23 CD XLT c LSI control data latch
pulse
l4 SCKl
CD CLK
c LSI control
data serial clock
1- 14
XR-P74OM,
XR-P64OM.
XR-P34OM
xR-P7 &, XR-P64(),
XR-P34()
No. Name Function
uo Description
43 P30 SENS
I
LSI operating status
multi-mode
input
44 P03 GFS I
Frame/syncMock input
45 INTP2 SCOR I Subcode synch
SO + SI input
46
INTPl AC I
AC input
INTPO REM I Remote
control signal input
4a IC Comected
to GND.
49 P72 PLL CE N PLL latch
pulse
50
PULSE2 I Tape 2 reel
pulse
input
P70 PULSEl I Tape
I reel
pulse
input
52 Conoected to
+5V.
53 Pt27
Key scan
input
54 PL26
55 Pl25
Pt24
Pt23
PLL 9162
DATA.i
KO11
PLL and 9162 serial data
5at
Pt22
PLL 9162
CLIv
KO10
P PLL and 9162
clock
59 FIP27 P16/KO9 P
FL segmelt and
key scan output
60
FIP26 P1s/KO8
P
FIP25 P14|KOT P
62 FIP24 P13/KO6 P
63 FIP23 P12lKO5 P
u F]P22 P11/KO4
V
65 FIP2l P10/KO3
P
66 FIP2O P9tKO2 P
FIP19 P8/KO1 P
68 FIP18
P7lKO0 P
No. Name Furction
UO Description
69 FIP17
P6 P
FL segment
70
FIP16 P5 P
7L
Connected to
-30V.
FIP15 P4 P
FL segment
73
FIPl4 P3 P
74
FIP13 P2
FIP12 P1
P
76 FIP1l P
FL
Srid
77 FIPlO
2G P
78 FIP9 3G P
79
FIP8 4G P
80 FIPT 5G
P
Note)
I : Input
A/D : Analog Input
O : Cmos Output
N
:
Nch Open Ihain Output
P : Pch Open Drain Output
t-t5
XR-P740M,
XR-P640M,
XR-P34()M
xR-P7
Q, XR-P64(),
XR-P340
I
pDGtoSA
flc3951
:
ADDoN
DtspLAy Assy)
(Except
XR-P34OM
and XR-P34Ol
O System
Control Micro-computer
a
Pin
Function
No.
Name
Function to
Description
1 PE3/INT3
NO USE
2
PE4/RMC
RMC IN I
Remote control signal
i[put
3
PE5 NO
USE
4 PE6
PRO. LOGI
o Prologic ON output
5 PE7ITO
NO
USE
6
PBO
7 PBl/CSO
8 PB2|SCKO
PB3/SIO
10 P84/SOO
9154 CLK
o 9154 CLK output
11 PB5/SCKl
9154 STB o 9154 STB
output
t2 PB6/511 )154
DATA o 9154 DATA
output
13 PB7/SOi
NO USE
14 PCO/KROKEY INO
I
Key scan, Key retum signal
rnput
PCi/KR1
KEY IN1
PC2IKR2
NO USE
17 PC3/KR3
18 PC4/KR4
19 PC5/KR5
20
PC6/KR6
2l PCTIKRT
22 PAO/ANO
LEVEL
LIN
I A/D input for
level meter
(Lch)
23 PA1/AN1
LEVEL
RIN
I A/D input for level
meter
(Rch)
24 PA2iAN2
Destination I
Prologic/Dolby
surround
changeover
25 PA3/AN3
SURROUND
SEL
o
DOLBY/THROUGH
changeove!
output for FRONT
& REAR signals.
26 PA4/AN4
F MUTE o Front mute
output
No. Name
Function vo
Descliption
27
PAs/AN5
NO USE
28 PA6/AN6
29 PA7/AN7
30 RST
Reset
signal input
EXTAL
Connected to ceramic
oscillator
(8MHz).
32
XTAL
33 VSS
VSS GND
34 PDO/SO
S MUTE o Surround
mute output
PD1/S1
C MUTE o
Center mute output
36 PD2t32 C MODE2
o Center mode 2 output
PD3/S3
C MODE1 o Center mode 1
output
38 PD4/S4
N MODE2 o Noise mode 2
output
39 PDs/S5
N MODE1 o Noise mode
I output
40 PD6/S6
NCH
SEL2
o
Noise
channel select 2
output
4l
PD7lS7
NCH
SELl
o
Noise
channel select I
output
42
PF0/S8 FL ON o FL
ON output
43
PF1/S9
NO USE
44
PF2/S10
45
PF3/S11
46
PF4/S12
47 PFs/Sr.3
o FL control segment
output
48 PF6/S14
S2
49 PF7/S15
S3
50 S4
s17
52
s18 s6/KO2
o
FL control segment/Key scan
stlok output
s19 s7/KO1
54 s20
s8/KO0
|
-
to
XR-P7@M,
XR-P64OM,
XR-P34OM
xR-P7 40, XR-P64(), XR-P3ZU)
No. Name Function UO Description
T15/S21 S9
o
FL control segment
output
'ft4ls22
s10
57 Tr3/S23
sl1
58
'tt2ts24
s12
59 Tli/525
sl3
60 Tr0/s26 s14
T9tS27
62 T8/528 st6
63 T7
NO
USE
64 T6
65 T5
66 T4
T3
68 T2
o FL control timing output
69
TI G2
70 TO G1
71 VFDP VFDP
Offset
voltage
(-30V)
for FL
control,
72 VDD VDD +5V Power
Supply
NC VDD
Connected to
VDD.
PGO
DOLBY
OFF
I DOLBY NR OFF input
75 PG1
NO USEPG2
77
PG3
78 PEO/INTO
POWER
ON
I Power ON input
79 PE1/INT1 Destination P Domestic/foreiSn changeover
80 PE2NNT2 NO
USE
I
TcTso4F
0c8402
: AF
GD
ASSYI
O
lnverter
a
Pin
Assignment
{Top
View)
INA
GND
OUT Y
)(R.P7
4OM.
XR-P64OM,
XR-P34OM
xR-P74(),
XR-P64{), XR-P340
t]S n nill fltNfi frl\V'll
tFrll
uvvIYJ4 $'uvue v!llj,
nnno
IA\UIEU DO BO REPEAT
@TIMER
MEC
RNCI
WAKEUP
PGM
tn
Rll lBltD
m"nmnh"mcfu
uffi"
rCI0
I
AAVTOO2
(Vl7O1
: DISPLAY
ASSY)
O
FL Tube
o
Grid
Assignment
a?||1{l tYl
UN
Sl
\ 2 3
4i
5
6
7
8l
s n0 nn n2i
n3mnS>
------\sr -
NOTE
l)
Fl,F2
---
Fi0ament
2)
NP
------
No
Pin
3) DL
______
Datum
L
i ne
4)
1G-12G
---
Grid
B8E
=18r6
88t-:
ot--
-lo1tr
ot|€
ooL-
-Jorq
ooL€
Oqr
-
-)otz
oql...._
83f=
=1811
83t-:
Bzc=
=1810
82r:
8rf=
=f
89 Brt-:
(12G-9G)
(BG)
h\:- A
/ i nhn,
kn
/ /
|1\\n // n6
| \1nt/ 1l
v9 v
h
v
O-
0
,,tfl
x" fl
"//////\\
/i"
lltl lJo \\ l,
llu
v ull
z-,V
d
(
7G-3G )
o
Pin
Assignment
an
-.-
o
Anode Connection
6),
O
Pin Connection
t2G
llG
toG 9G BG
7G
6G 5G
4G 3G
2G
]G
P]
8l
B1
B1
B]
B1
AM
co12
kffir
KAIRAI}KE\-
m
P2 82 B2
B2
B2
B2
n n n n
P6M
P3 83 B3
B3
B3
B3
e e
e
tsN0
r0
QA
QA AA
B4
a/ QA
I s s
s
@TIffiR
M
P5
B5 B5
85
85 B5
b
o
b
b
o
n
IE
P6
B6 B6
86
B6
B6
k k k k
k
m
IgJ
P7
87 B7
B7 B7
B?
)
) )
J
S3
2
P8 BB BB
BB
BB
BB
P. BASS
SrWm[
n
P3 8S
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Pr1 Brl Bll
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P14
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ASES
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co0l
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1-18
xR.-P7 4AM, XR-P640M,
XR-P340M
xR-P74(),
XR-P64(), XR-P340
I
lnvzool
(v3951
: ADDoN
DtspLAy
Assyl
(Except
XR-P34OM
and
XR_P34O)
O
FL Tube
o
Grid Assignment
e4@Nz
lN-/11
(G)
N4AXJ
o
Pin Assignment
@
o
NPTE
1) Fl,
2) NP
3) NX
4)
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IU
I
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NI]AX
E
(2G)
, PAIIFRN ARFA
I
r-l
L--_
Pin Connection
F2---Filament
-No
pin
-
No
extend
p
i n
-Datum
Line
-
3G
-
Grid
81
82
83
84
85
,.,86
87
r-a-r-F-
B8
89
B1A 81
1
812
Bl 3 814
srafN40N
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P
R
@
L @M
PHANTOM
ILSJ \U\V
UJJJ
3ah
t0G[G
REAR
Lah
LEVEL
CIENTER
Rah
I
o
Anode Connection
3G
2G
IG
PI
Aru@tvsunts@umo
sr€
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P2
PR@. [.OG0C
BI
P3
3ch
LOGIG
82
s
P4
MEAIR
B3
lIEST
P5 LEVE[- 84
S2
P6
GENTER
BS
P7
Lah Rah
s4
P8
NOMMAT
87
ss
PS
PHANTCIM
B8
s6
P1A
't
6l
B9 s7
Pt I
Bla
Pt2
Bt
l
Pr3
Br2
Pt4
8r3
Pr5
BI
Pr6
1-19
XR-P7@M,
XR-P64OM,
XR-P3@M
xR-P7
40, XR-P64(),
XR-P34()
1.7
ADJUSTMENTS
1. TUNER
SECTION
I
FM Tuner
Section
a
Set the mode
selector to
FM BAND.
a
Connect
the wiring
as shown in
Fig. I
1.
o
Before
adjusting,
make sure there is
no
gap
between
L6101 and L6102.
If there is
a
gap
between them,
bing them into
contact with
each other first,
and then make
adjustments.
o
Make
indicator adjustments
in order of AM
-
FM.
FM75 Q Anrenna
Te.minat
la;?n1
Fig.
1- 1 FM Adjustmont
Connection Diagram
I
AM
Tuner
Section
a
Set
the mode selector
to AM
BAND.
a
Conoect the wiring
as shown
in Fig. I 2.
Step No.
Adjustment
Title
FM SG
(lkHz,
t
75kHz dev.)
Reception
Frequency
Display
Adjustment
Location
Specifications
Frequency
(MHz)
Level
(dBpV)
I
Center
Adjustment
98
Non
modulation
80 or
more
L6207
Adjust
so that the DC voltage
befween
Pin 4
and Pin 28
of IC6201 becomes
0Vt50mV.
2
Front
End
Sencitivity
98
l0- 30
98MHz
L6102
T6101
Adjust so
that the DC voltage of
the Pin12 of
IC6201
(S-meter)
becomes at maximum
level.
3
TUNED
IND.
Lighting
Level
98
lfi.2 98MHz
vR6201
Adjust
so that the indicators
ot TUNED
IND. start
to light up.
Nofes.'
IC5201
XR_P74OM,
XR_P54OM,
XR_P
34M
xR-P740,
XR-P640.
XR-P340
DC
VOLTMETER
Step
No.
Adjustment
Title
AM SG
(400H2,
3070 Mod.)
Reception
Frequency
Display
Adjustment
Location
Specifications
Frequency
(kHz)
Level
(dBpY,h)
I
TUNED
IND.
Lightirg
Level
999
47 !2
999kHz
vR6202
Adjust
so that the indicators
of TUNED
IND. start
to light up.
Note.'
a
When SD
and YPW type is
used, set
the AM Irequency
step to 10kHz.
A M
An renna Ter.m
r na l
XR_P74OM,
XR_P64OM,
X R_P
34M
xR-P740,
xR-P54
0. XR-P340
AM
Loop Antenna
1-20
Fig,
1-2 AM
IMW)
Adjuslment
Connection Diagram
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