Pioneer XR-P640M User manual

Service

Manual

/oo.

^

-5

-8

-9

(v)

proNeerl"

Tlp

Art

ot Entertaiment

STEREO

MULTI-PLAY

CD

CASSETTE

DECK

RECEIVER

x

R.P7

-P64olul

-P34()M

4()M

CD

CASSETTE

DECK

RECEIVER

ORDER NO.

RRV1O23

R

r;

o

4

7

6

3

P

I

STEREO

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

AC110V

t120-

127V

I

220V

t240V

With the

voltago solector

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

1 ot M51593FP

{lC101)

on the PRE-AMP

EOARD assembly loaded on

pickup

ass€mbly are

connected to GNO,

or

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

1 of M51593FP

(lC1O1)

on the PRE-AMP

BOARD ASSY mounted

on the

pickup

assembty

is

connected to

GND, or

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

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

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

't

I

c sP

o{JT

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

-.1

I

::r:,."

l

I

-l

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

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

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

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

Assignment

(Top

View)

oooooo

_0i!,))))))

oooo:

GO6

co?

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

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

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

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

Assignment

an

-.-

o

Anode Connection

6),

O

Pin Connection

t2G

llG

toG 9G BG

7G

6G 5G

4G 3G

2G

]G

P]

8l

B1

B]

B1

AM

co12

kffir

KAIRAI}KE\-

m

P2 82 B2

B2

n n n n

P6M

P3 83 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

o

n

IE

P6

B6 B6

86

B6

k k k k

k

m

IgJ

P7

87 B7

B7 B7

B?

)

) )

J

S3

2

P8 BB BB

BB

P. BASS

SrWm[

n

P3 8S

83 B9

B9

ff

<ralr>

)

d d d

d

BI!A?

cur

{a

Pta 8r8

8ra 810

B1A

[(Drsco)J.J

p p

9

SILEEP

ft6

Pr1 Brl Bll

Bll

811

l.L(MOvlE)JJ

r

unfrE [,P

0

rtz

a|2

ai2

812 812

TUNEO

c

ffiCI

[l

Pl3

813

Br3

813 813

mm

m m

m

ME.AT

h

P14

al A

814

81

4

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I I

I

t

{

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ls

n

Pl5

815 815

815 Br5

CIOPV

n h h n

h

s2

I

Pl6

Br6

816 Br6

ASES

Fil

co0l

ffift

)q

?

P17

r00

til

IK t.3K

!0(

ss

f,l

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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II TEST

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(2G)

, PAIIFRN ARFA

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r-l

L--_

Pin Connection

F2---Filament

-No

-

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

oo-o ooo ooo ooo

ooo

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P

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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€

n16)

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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