Pioneer RX-P840 User manual

®

PIONEER’

s

The

Art

of

Entertainment

aE

_

OA

i

a

OFM

Ol

Stee

Service

a

$F

TPL

|

6

Manual

0)

on

RRV1125

The

chapter

1

of

this

Service

Manual

will

not

be

reprinted.

On

your

additional

orders,

we

may

supply

only

the

chapter

2.

For

the

chapter

1,

please

make

copies

and

attach

to

the

chapter

2

at

your

side

if

necessary.

STEREO

CASSETTE

DECK

RECEIVER

RX-P840

THIS

MANUAL

IS

APPLICABLE

TO

THE

FOLLOWING

MODEL(S)

AND

TYPE(S).

5

The

voltage

can

be

converted

by

the

Tape

RX

—P840

Power

Roauseinent

following

method.

AC110V/120—127V/220V/240V

With

the

voltage

selector

VU

HB

@

AC240V

AC230V,

*

KU

oO

AC120V

_—

Ke

3

AGI20V

Sa

%*:

Alter

the

wiring

of

the

Power-supply

block

at

the

primary

winding

of

Power

transformer

referring

to

the

“Line

Voltage

Selection”

described

in

Service

Manual.

@

This

product

is

a

system(s)

component.

This

product

does

not

function

properly

when

independent;

to

avoid

malfunctions,

be

sure

to

connect

it

to

the

prescribed

system

component(s),

otherwise

damage

may

result.

CONTENTS

CHAPTER

1

CHAPTER

2

1.1

SAFETY

INFORMATION

--------2

1-2

2.1

PACKING

AND

EXPLODED

VIEWS

--

2-3

1.2

SPECIFICATIONS

v-11eeeeeeee

1-3

2.2

SCHEMATIC

AND

PCB

CONNECTION

1.3

PANEL

FACILITIES

nee

eee

taste

mane

ceeeneceoer

1

—-4

DIAGRAMS

OSES

eee

ee

cee

sence

cece

beeen

eease

2-10

1.4

DISASSEMBLY

wee

eww

ea

anes

neta

reece

ceseces

1

-7

2.3

BLOCK

DIAGRAM

eee

nen

ee

meme

ne

eaee

2-50

1.5

IC

INFORMATION

biota

stelle

love

Sua

itiai

ayers

shanate

sian

1-8

1.6

FL

INFORMATION

Beas

e

ede

sea

veet

cenaeeues

1

—_

10

1.7

ADJUSTMENTS

Wale

Gistiie

Sind

gelgike

die

vata

5.0

/5%G,

alate"

1-11

1.8

PARTS

LIST

FOR

PACKING

AND

EXPLODED

VIEWS

a

Ssh

8

Sale

eae

korean

ole

aca

evele

1

—

1

9

1.9

PCB

PARTS

LIST

piled

iia

Byala.

ea

fave

olarlese

java

ted

oA

ene;

des

1

-—23

PIONEER

ELECTRONIC

CORPORATION

=

4-1,

Meguro

1-Chome,

Meguro-ku.

Tokyo

153,

Japan

PIONEER

ELECTRONICS

SERVICE

INC.

P.O.

Box

1760.

Long

Beach.

California

90801

U.S.A.

PIONEER

ELECTRONICS

OF

CANADA,

INC.

300

Allstate

Parkway

Markham,

Ontario

L3R

OP2

Canada

PIONEER

ELECTRONIC

[EUROPE]

N.V.

Haven

1087

Keetberglaan

1,

9120

Melsele,

Belgium

PIONEER

ELECTRONICS

AUSTRALIA

PTY.

LTD.

178-184

Boundary

Road,

Braeside,

Victoria

3195,

Australia

TEL:

[03]

580-9911

YZ

24

©

PIONEER

ELECTRONIC

CORPORATION

1994

T—DFF

MAY

1994.

Printed

in

Japan

RX-P840

CHAPTER

1

1.1

SAFETY

INFORMATION

This

service

manual

is

intended

for

qualified

service

technicians;

it

is

not

meant

for

the

casual

do-it-yourselfer.

Qualified

technicians

have

the

necessary

test

equipment

and

tools,

and

have

been

trained

to

properly

and

safely

repair

complex

products

such

as

those

covered

by

this

manual.

Improperly

performed

repairs

can

adversely

affect

the

safety

and

reliability

of

the

product

and

may

void

the

warranty.

If

you

are

not

qualified

to

perform

the

repair

of

this

product

properly

and

safely,

you

should

not

risk

trying

to

do

so

and

refer

the

repair

to

a

qualified

service

technician.

WARNING

Lead

in

solder

used

in

this

product

is

listed

by

the

California

Health

and

Welfare

agency

as

a

known

reproductive

toxicant

which

may

cause

birth

defects

or

other

reproductive

harm

(California

Health

&

Safety

Code,

Section

25249.5).

When

servicing

or

handling

circuit

boards

and

other

components

which

contain

lead

in

solder,

avoid

unprotected

skin

contact

with

the

solder.

Also,

when

soldering

do

not

inhale

any

smoke

or

fumes

produced.

NOTICE

(FOR

CANADIAN

MODEL

ONLY)

Fuse

symbols

-f&—4

(fast

operating

fuse)

and/or

~-§&—

(slow

operating

fuse)

on

PCB

indicate

that

replacement

parts

must

be

of

identical

designation.

REMARQUE

(POUR

MODELE

CANADIEN

SEULEMENT)

Les

symboles

de

fusible

-§——1

(fusible

de

type

rapide)

et/ou

-§—#

(fusible

de

type

lent)

sur

CCi

indiquent

que

les

piéces

de

remplacement

doivent

avoir

la

méme

désignation.

(FOR

USA

MODEL

ONLY)

1.SAFETY

PRECAUTIONS

The

following

check

should

be

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

metal

parts

of

the

appliance

(input/output

terminals,

screwheads,

metal

overlays,

control

shaft,

etc.).

Plug

the

AC

line

cord

of

the

appliance

directly

into

a

120V

AC

60Hz

outlet

and

turn

the

AC

power

switch

on.

Any

current

measured

must

not

exceed

0.5mA.

Reading

should

Leakage

|

20t

be

above

current

|

0.5mMA

tester

°

Test

ail

exposed

metal

surfaces

Also

test

with

plug

reversed

(Using

AC

adapter

plug

as

required)

Earth

ground

AC

Leakage.

Test

equivalent

between

the

earth

ground

and

ail

exposed

|

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

special

safety

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

special

safety

characteristics

are

identified

in

this

Service

Manual.

Electrical

components

having

such

features

are

identified

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

replacement

one,

shown

in

the

parts

list

in

this

Service

Manual,

may

create

shock,

fire,

or

other

hazards.

Product

Safety

is

continuously

under

review

and

new

instructions

are

issued

from

time

to

time.

For

the

latest

information,

always

consult

the

current

PIONEER

Service

Manual.

A

subscription

to,

or

éd-

ditional

copies

of,

PIONEER

Service

Manual

may

be

obtained

at

a

nominal

charge

from

PIONEER.

1.2

SPECIFICATIONS

@

STEREO

CASSETTE

DECK

RECEIVER:

RX-P840

Amplifier

Section

<U.S.

model>

Continuous

Average

Power

Output

is

70

Watts*

per

channel,

min.,

at

8

ohms

from

40

Hz

to

20,000

Hz

with

no

more

than

0.9

%**

total

harmonic

distortion.

Continuous

power

output

(RMS)

Sacto

leita

osetia

100

W+100

W

(1

kHz,

T.H.D.

10%,

8

Q)

Continuous

power

output

(DIN)

Sisusd

Wesstbecdshecsesutescccets

75

W+75

W

(1

kHz,

T.H.D.

1%,

8

Q)

Music

power

(DIN).........ccceesccscesetscseeeeeees

324

W

(Total)

Peak

music

power

output

(Muiti-voitage

model

only)...........ceeeseeeeeees

730

W/8

Q

FM

Tuner

Section

Reception

frequencies...

ee

eeeeeeeeeeeee

87.5

—

108

MHz

AM

Tuner

Section

Reception

frequencies

...............

531

kHz

—

1602

kHz

(9k)

530

kHz

-

1700

kHz

(10k)

ANTENNA

ou.

.cecesssscececesneeccecereecens

Loop

antenna

(included)

Double

Cassette

Deck

Section

SYSTEM

tyPe

ou...

eeccseceesseereee

4-track,

2-channe!

stereo

Heads

2rcc2

oi

idedenedciecnee.

Recording/playback

head

x

1

Playback

head

x

1

Erasing

head

x

1

MOTOR

i

ssehscenccsht

stvnctesenuceseianstasesetnccnsed

DC

servo

motor

x

1

Type

Il

(High/CrO:2)

tape

sig

abivecn

dest

us

dtevbantdarvsieuseudcaetccees

*35

Hz

-

15,000

Hz

+6dB

(recorded

at

-20

dB)

Type

|

(Normal)

tape.............

*35

Hz

-

14,000

Hz

+6dB8

(recorded

at

-20

dB)

Frequency

response

SNiratiocisiesceesisedpucseeeds

dies

aecsateeaienttes

*56

dB

(peak

recording

level,

audible

compensation)

Dolby

B

type

NR

on

....10

dB

compensation

at

5

kHz

Dolby

C

type

NR

on

....19

dB

compensation

at

5

kHz

*Values

measured

in

accordance

with

EIAJ

standards.

RX-P840

m@

ELECTRICAL

REQUIREMENTS,

ETC.

Power

requirements

U:S.

Modelisic.elasa

i

eliescnnks

AC

120

V,

60 Hz

U.K.

model...

ceeeesseseseeeeee

AC

240

Volts~,

50/60

Hz

Muiti-voltage

model

Stereo

deck

receiver

section........

AC

110/120

—

127/

220/240

V

(Switchable),

50/60

Hz

Power

consumption

Stereo

deck

receiver

section

US

HMOd!

ieoioccscucesites

ach

custis

classes

cuaesiecacscideowe

170

W

U.K.

and

Multi-voitage

models..............:ceee

390

W

AC

OUTLET

......

eee

UNSWITCHED

100

W

MAX

x

1

External

dimensions

Stereo

deck

receiver

section

shots

ssdusastdscudacccansssectece

260

(W)

x

185

(H)

x

365

(D)

mm

10-1/4

(W)

x

7-5/16

(H)

x

14-3/8

(D)

in.

Weight

Stereo

deck

receiver

section...........7.3

kg

(16

Ib

3

02)

RX-P840

1.3

PANEL

FACILITIES

The

illustration

shows

Multi-voltage

model.

®

@

POWER

STANDBY/ON

switch/STANDBY

indicator

This

is

the

switch

for

electric

power.

ON:

When

set

to

the

ON

position,

power

is

supplied

and

the

unit

becomes

oper-

ational.

STANDBY:

When

set

to

the

STANDBY

position,

the

main

power

flow

is

cut

and

the

unit

is

no

longer

fully

operational.

A

minute

flow

of

power

feeds

the

unit

to

main-

tain

operation

readiness.

@

Remote

control

sensor

(REMOTE

SENSOR)

@®

TAPE1/2

select

button

@

DOLBY*

NR

select

button

(B/C/OFF)

*

Dolby

noise

reduction

manufactured

under

license

from

Dolby

Laboratories

Licensing

Corporation.

°

“DOLBY”

and

the

double-D

symbol

OO

are

trademarks

of

Dolby

Laboratories

Licensing

Corporation.

©

TAPE

|

EJECT

port

(4)

©

Display

@

TAPE

Il

EJECT

port

(4)

TAPE

1/2

operating

buttons

(<<,

>>,

&,

<4,

>)

@®

Function

select

indicator

(TUNER,

TAPE,

CD,

MD/AUX)

@

Sound

Field

Control

(SFC

MODE)button

@

ASES/COPY

button

@

Record/pause

button

(etl)

@

Microphone

jack

(MIC)

and

microphone

level

control

(MIC

LEVEL)

(Multi-voltage

model

only)

Clock

adjust

button

(CLOCK-ADJ)

@®

WAKE-UP

button

@

Timer

recording

button

(TIMER

REC)

@

TUNING

(+,

-)

button

8

BAND

button

@

MEMORY

button

@

AUTO

TUNING

button

@

Frequency/station

button

(FREQ./STATION)

@

FUNCTION

select

button

(DEMO

button)

Each

time

this

button

is

pressed,

the

function

changes

in

the

following

sequence:

ia

TUNER

——®

TAPE

—*

CD

MD/AUX

ao

@

P.BASS

button

@

VOLUME

control

@

Headphone

jack

(PHONES)

REMOTE

CONTROL

UNIT

RX-P840

@

For

U.K.

mode!

(5B,

5C)

Press

and

slide

the

upper

lid

surface

to

open

the

remote

control

unit

case.

Controls

shown

here

without

special

instructions

indi-

cate

functions

which

are

the

same

as

those

found

on

the

main

deck-receiver

unit.

@

Display

window

Displays

the

current

operation.

@

System

function

buttons

POWER

seisee

Power

switch

(ON/STANDBY)

Scdtisteteuveee

Function

select

button

ue

shades

Main

volume

seeseteabevets

Sound

field

selector

selescevatace'ed

Stereo

wide

pattern

selector

button

dadscsucsoots

Bass

boost

mode

button

@)

TUNER

operation

buttons

TUNER

STATION

agaseae

Use

for

calling

radio

stations

stored

in

the

station

memory.

Broadcast

stations

must

be

stored

in

the

station

memory

before

operating.

ANA

bascdtisdseins

FM/AM

selector

eistbesaisaeg,

FM

stereo/mono

selector

(operates

ok

vied

only

during

FM

stereo

reception)

Cc)

-

...Station

memory

call

buttons

@

TAPE

|,

TAPE

Il

operation

buttons

Tape

Sesdhais

Use

to

select

Tape

!

or

Tape

Il

a)...

Fast

forward,

rewind

button

C)

ee

Stop

button

G)

©

Sona

Play

buttons

PRUE

ee

eeeceeeeeneee

TAPE

!!

record/pause

button:

This

button

does

not

operate

when

TAPE

|

is

light-

ed

in

the

remote

control

unit's

display.

Switch

first

to

TAPE

Il.

©

CD

operation

buttons

(5A)

Buttons

for

ordinary

operations

Track

search

button

Stop

button

Pause

button

Play

button

Disc

select

button

..Send

button

(transmits

the

play

signal

for

selected

disc

title

to

the

main

unit)

sisiestd

Disc

title

button

{use

to

select

disc

title)

(5B)

Buttons

for

selecting

and

searching

for

disc

titles

*Gee)

.2G)

_.Character

buttons

iugssessadsaue

Input

button

ra

RD

hadnt

Cursor

control

buttons

ci

TOM

<5

seaddlescuccasd

Custom

button

osc

reediacedeniass

Disc

button

netuon

cS

ddedeeadessiies

Return

button

duspebusuataes

Search

button

{5C)

Buttons

for

other

convenient

functions

iy

fora

CC

~

C2

__Dise

and

track

number

setting

(digit)

er

buttons

(Ce

ee

ene

Functions

as

“clear”

button

to

cancel

CD

program

steps.

Also

used

to

erase

al!

discs

select-

ed

with

the

custom

mode.

reack

dei

dcbigeieads

Track

set

button

S)

cudainteds

Disc

set

button

fete

Program

set

button

érSSieeee

cies

Random

play

button

aD

earnenee

Repeat

play

button

seusseseeesee-CD

play

mode

button

Sizcdeieaveas

Time

button

RX-P840

©

TIMER

operation

buttons

WAKE

UP

PE

NF

eeceeee

Use

to

select

wake-up

1

or

wake-up

suser

2

timer

functions.

Lbgosseabcatoees

Sieep

timer

snooze

Cc)

Saesestecosvoye

5-minute

snooze

timer

(restarts

unit

5

minutes

after

wake-up

timer

oper-

ates;

does

not

function

during

nor-

mal

play).

@

RESET

button

This

is

the

remote

control

unit's

system

reset

button.

If

the

remote

control

unit's

display

appears

abnormal

during

use

or

when

exchanging

batteries,

and

the

main

unit

no

longer

responds

to

commands,

press

this

button

to

reset

the

remote

control

unit.

Disc

titles

stored

in

the

memory

are

preserved

even

when

the

RESET

button

is

pressed.

@

For

U.S.

and

Multi-voltage

models

The

illustration

shows

Multi-voitage

model.

@

System

function

buttons

POWER

SS

iiw...........

Power

switch

(ON/STANDBY)

FUNC

died

Function

select

button

vooe

dansiaeetaets

Sound

field

selector

P.B4Ss

shdeaseesdwalss

Bass

boost

mode

button

sr

wide

VOLUME

=a

pebivesuenwie

Main

volume

KARA

KE

d

cgedeeciacede

Stereo

wide

pattern

selector

button

satuesenees

One-touch

karaoke

button

(Multi-volttage

mode!

only)

@

TUNER

operation

buttons

s

gouabeteuiue

FM/AM

selector

re

FM

stereo/mono

selector

(operates

113

s2ea

only

during

FM

stereo

reception)

Cc)

=

...

Station

memory

call

buttons

@

TAPE

I,

TAPE

ll

operation

buttons

(=)

seodiscoisosts

Stop

button

Gs)

ee)

tous

Fast

forward,

rewind

button

TAPE

Il

setae

Play

buttons

Exbe%

sabusédanscent

To

operate

TAPE

|,

press

the

desired

deck

operation

button

while

press-

ing

this

button.

(Except

for

the

Record/pause

(@#1)

button)

ex)

sidece

Record/pause

button

@

CD

operation

buttons

Buttons

for

ordinary

operations

COE)

saete

Disc

select

button

i)

ee)

wise

Track

search

button

oH)

uodanberbeuste

Pause

button

co

@)

bata

Stop

button

te)

Cul

saaieens

Play

button

Buttons

for

other

convenient

functions

143

1022

~

Co)

...Disc

and

track

number

setting

(digit)

1123

buttons

Jeeicacrediee

Functions

as

“clear”

button

to

cancel

CD

program

steps.

Also

used

to

erase

all

discs

selected

with

the

custom

ors

mode.

way

saevancees

Disc

set

button

sseisiesaoce

Track

set

button

eedaastoscae

CD

play

mode

button

ésieieseteiece

Random

play

button

aabathesnaese

Repeat

play

button

ex)

saeeesteecl!

Program

set

button

teed

eee

ccrtidsetetian

Time

button

©

TIMER

operation

buttons

waxe-uP

Mise

detiesess

Use

to

select

wake-up

1

or

wake-up

stcer

2

timer

functions.

sevteecieeass

Sleep

timer

SNOOZE

eri

saates

5-minute

snooze

timer

(restarts

unit

5

minutes

after

wake-up

timer

oper-

ates;

does

not

function

during

nor-

mal

play).

|

RX-P840

1.4

DISASSEMBLY

i

MAIN

ASSY

1.

Remove

the

bonnet

case.

2.

Remove

the

Rear

Panel

Section

@

Remove

the

screw

@

(2

screws)

of

the

antenna

terminal.

@

Remove

the

screw

@

(1

screw)

of

the

jack

(MD/AUX).

@®

Remove

the

screw

@)

(1

screw)

of

the

connector

for

CD.

@

Remove

the

screw

@

(2

screws)

of

the

front

speaker

terminal.

©

Remove

the

screw

©

(1

screw)

of

the

jack

for

surround

speaker.

(SD

and

HB

types

only)

©

Remove

the

screw

©

(1

screw)

between

the

chassis

and

rear

panel.

3.

Remove

the

Front

Panel

Section

@

Remove

the

screw

@

(1

screw)

holding

the

lead

wire

from

the

cassette

mechanism

unit

and

MIC

assy.

Remove

the

VOLUME

knob

on

the

front

panel,

and

remove

the

screw

©

(2

screws).

(©)

Remove

the

screw

©

(1

screw)

between

the

chassis

and

front

panel

bottom.

0

Remove

the

screw

40

(1

screw

each

side)

between

the

chassis

and

front

panel

left/right-side.

)

Remove

the

front

panel

from

the

chassis.

(Be

careful

of

the

craw

on

the

left

and

right

sides).

4,

Remove

the

screw

@

(3

screws)

holding

the

MAIN

assy.

MAIN

Assy

Rear

Panel

Front Panel

Screw

@

Screw

©

os)

a.

-7

oS)

Screw

@

Lead

Wire

Screw

@

\

&

g

@

we

Screw

@

\

Screw

(1)

Chassis

Screw

©

VOL

Assy

VOLUME

Knob

RX-P840

1.5

IC

INFORMATION

@

The

information

shown

in

the

list

is

basic

information

and

may

not

correspond

exactly

to

that

shown

in

the

schematic

diagrams.

Wi

PD4523A

(IC

1901

:

DISPLAY

ASSY)

@

System

Control

CPU

@

Assignment

(Top

View)

DECK

CLK

ww

DECK DATA

aa

rT

DECK

LE

POWER

ON/OFF

SB

CLK

SB

OATA

RESET

@U2040

CLK

°

BUz2040

DATA

«gto:

9162,

9164

STB

SPECTR

1M.

ANALYZER

1

SPE

TRUM

ANALYZER

2

Gos Gos

Gos

TUNE/STEREO

SPECTRUM

ANALYZER

4

SPECTRUM ANALYZER

S

«

w

N

i

x

z

<

4

o

a

w

@

Function

1

FIPO

2

|

FIPS

8

Vop

9

|

SCKO

10

|

SOO

FIP6

Vop

DECK

CLK

DECK

DATA

N_

|

DECK

DATA

(M66320)

Go2

oor

por

P02

Pos

poe

vLoao

P05

a]

al

°

&

s

o

F

mets

6G

N_

|

DECK

CLK

(M66320)

11

|

P25

{DECK

LE}

C

|

DECK

LE

(M66320)

POWER

12

|

P24

ON/OFF

POWER

ON/OFF

13

|

P23

|

SBCLK

System

bus

CLK

14

|

P22

|SB

pata|

C

|

8sse

p

89380

shins

REESE

iNTPO/PO0

©

eisac

258s¢

aeaca

P31

©

P33

©

P32

©

Pt1/KO04

Ps

0

1

2-K00S

PIE/KOOS

b14/K007

P15/KO08

P16

B17

KIO

Kit

Kt

2

KL

3

wes

PLL.

9162.

9364

CLK

162,

9164

DATA

PLL.

9462,

o

esse

$00/P26

©

SCK0/®27

©

PLL

CE

GND

PULSE!

P20

©

PULSE?

P21

0

FWO

LEO

REV

LEO

P22.

0

REC

LED

P23

0

al

Tate

P24

©

AN10/P10

ANI7/297

avoo

©

avss

oO

AVREF

©

i}

a

oe]

°

INTPOsPO0

INTP3

P03

FL

grid

output

BACKUP

+5V

System

bus

DATA

17

18

19

20

21

23

@

Block

Diagram

Tobit

TIMER?

[erat

coor

KS)

Beit

TIMERS

EVENT

COUNTER)

Boies

TIMER,

Buzzer

|

CLOCK

ourpuT

°

P36

P35

RESET

BU2040

P74

CLK

BU2040

P73

|

DaTA

AVss

- —

j

Connected

to

Vss.

A/D

|

Spectrum

analyzer

input]

(100Hz)

P17

P16

ANI5

=

ANI4

ANI3

ANI2

ANI

PROGRAM

COUNTER

{

Rom

ROGRAM

MEMORY

Po.

N

D

A/D

|

Spectrum

analyzer

input3

(1kH)

A/D

|

Spectrum

analyzer

input4

(3.3kHz)

D

:

=)

CD

REQIENA

C

|

System

bus

CD

REQ/ENA

ffm

|

—

[elmewe

RESET

PORTO

Poo-PO4

U

poets

P10~P17

GENERAL

REG

P20-P27

2

g

5

a

vecooe

|

~~

>

AND

CONTROL

ports

>eso-P37

Cyeon]

'

ede

re

a

rorrel

ees

oes

\

*

/

oe

Gade

posts]

—erso-es

er

crock

{CLOCK

GENERATOR

cranny

ay|

|

1

oon

ae

ry

ourPUT

Jorvioer

CONTROL

CONTRO.

1

sup

|

warn

7

=

cae

eM

e

a

A/XTUXTZ

XY

KZ

1]

RESET

VOO

vss

1¢

Reset

input

BU2040

CLK

BU2040

DATA

Spectrum

analyzer

input2

(330Hz)

A/D

|

Spectrum

analyzer

input5

(10kHz)

TUNE/

29

| |

AVoo

|

AVobp

Connected

to

+5V.

eee

Not

used

(Connected

to

GND.)

:

p= [=

se

spa

Connected

to

Oscillator

(4.19MHz).

35

|

X2

TUNER

Function

LED

TUNER

ots

oo

LED

a

Function

ED

@D

TAPE

Function

LED

TAPE

LED

}s9

|

Pas

|

MD

LED

Function

LED

MD

STBY

LED

42

|

P31

Function

LED

REV

43

|

P30

FWD

LED

Function

LED

FWD

[son

[1

[ea

|

40

|

P33

Function

LED

STAND

BY

PLL

+

9162

PLL

*

9162

9164

CLK

*

9164

CLK

52

|

Vop

ee

Connected

to

+5V.

53

|

P127

KI3

I

|

Key

input

3

oe

Key

input

2

TUNE/STEREDO

status

discrimination

input

RX-P840

Name

nos

mm

[1

feommn

a

9162

9164

STB

Segment

output

e

{al

#

9

rae

|

reo

[Fupas|Pisixos|

>

|

arse»

2

fresno

|

er

|

oc

ems

|

mon

fe

|rm|_

=

|e

P3

P

FL

segment

and

key

scan

output

FL

segment

Segment

output

rel

ae]

fe

ne

[ae

[|

re

feme[oef

[ner

[ee

[|

I

:

Input

A/D

:

Analog

Input

O

:

Cmos

Output

N

:

Nch

Open

Drain

Output

P

:

Pch

Open

Drain

Output

i

E

4

RX-P840

|

1.6

FL

INFORMATION

Mi

AAV7006

(V1701

@

FL

TUBE

@

Grid

Assignment

000

O00

000

Ihe

000

SS

oI]

oa

i

:

DISPLAY

ASSY)

88

CE

PCS

BBS

BS

CSS

i

S7B16

=a

JB15

==

1814

S813

=

_]B1i2

00000

00 00

00

00000

000

00

——

a

rs

——

er)

000

00

00 00

00

3S

B2C=

BCs

S81

51818

seg

(126~S86)

(———

a

—

2

|

aS

Om]

o=ns

ii]

es

—

a

——

ho

—

2

—

———)

=

Ss

=<

=

126

116

@

Assignment

@

Connection

NO.

@

Anode

Connection

Sete:

RASoaPeAR

RARER

i

aaPA

NoTe

comecTion

FFs

abi

Zea

ch

pee

ePeeh

(itz

{al

[|

126

|

118

|

ves

|

36

8G

66

|

5G

Perper

ter

te

pe]

|

me]

-

[eo

p2

|

82

|

B82

|

B2

|

B2

n

BS

Bs

|

Bs

|

Bs

|

Be

BE

k

a7

|

BF

B?

|

B7

Bil

ei@

[fore

>

|e |e

|

B11

|

(movies)

Sa

HS

Peepee

fee

[ea

ee]

we

[~~

|<

ates

[we

[ea

[ewe

fe

[==

PT

frie

[

oie

[aie

|

sie

aie]

ser

|

Pis

|

Bis

|

B15

|

BIS

|

BIS

me

fe

es

Pis|

Bis

|

Bis

|

Bis

|

eis

|

ages

|

rie

|

-

[cour]

-

|

Ome

[P17

lwo

ise

te

sak

1-10

=a

a

ee

$3

fe

nm

e

|

Ba

7

ZN

CS

a

pe

fe te

fe

|

>

(OTmMER

k

DIG

ST

WIDE

&

7

BEAT

CUT

p

r

2D

SLEEP

7

1G

id

le

lc

1b

la

$4

2d

ian

_SS

pe

BCS

a7

C=

a

BS

LES

B4

C=

i

B20

eo

—

C863

(76~36)

1)

Fl,F2

—-

F

SWANS

43

OS

F2

—-

ae:

3)

DL

------

Datum

Line

4)

16~12G

~—

Grid

Pioneer RX-P840 User manual

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