Pioneer KE-83ZBM Panduan Servis - Halaman 17

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Halaman Cetak

KE-83ZBM/US

No.

Name

I/O

Function and Operation

Dutput

Data output.

CLK

(

Dutput

Clock

signal.

V-STB

Dutput

Strobe

signal.

PEE

(

Output

kHz

signal.

BS1

Input

Communication

data

line.

(CD

CHANGER)

BSO

Output

BSCK

I/O

Communication

clock

line.

connection.

LOC

Output

"H"

during

local

search.

MUTE

Output

Mute

output.

CD1

Output

"L"

during

play.

CD2

Output

SB1

Output

Source

selector

control (IC751

SB2

Output

ANTI-1

Output

Causes

LED

(D919)

flash

when

Anti-Theft

operating.

ANTI

-2

Output

Shifts to

"L" when

ACC

OFF

and

the

key matrix

switch

pressed.

KST3

Output

Key

strobe output.

KSTO

Output

connection.

VDD

Power

supply

terminal.

SRQ

Output

RXE

I/O

Communication

line.

(CD

CHANGER)

RST

Output

INH

Output

Turns

LCD

display

on and

off.

when

LCD

display.

Input

Key

return

input.

Input

XST

Output

Strobe

signal.

(IC703,

704)

ECE

Output

Chip

enable

line.

(IC702)

PST

Output

Strobe

signal.

LCE

Output

Chip

enable

line.

(IC901

)

RESET

Input

Reset input

terminal. Active

(1Q4

rnrmprtinn tprmina!

UryStai

OSCIIiaTOr

IVIn4/

lUiimcluuii

lci

imuai.

TEST

Input

Test

program.

DOLBY NR

Output

"H"

during

dolby

ON.

METAL

Output

"H"

during

TAPE

mode

and

metal tape

detection.

PLAY

Output

"L"

during

PLAY

operation.

STBY

Output

Input data

IC601 (PA3022).

—

are

motor

control

logic

output

terminals.

Output

MDO

Output

When

the

cassette

mechanism

status

changes,

strobe

outputed

for

the

status

detection key matrix.

MD2

Output

CM.

STOP

Output

Capstan

motor

stops

with "L".

MKO

Input

Cassette

mechanism

status

detection key input terminal.

MK3

Input

VSS

GND