Pioneer DEH-223 Panduan Servis - Halaman 20

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Halaman Cetak

1. Circuit Diagram and Pattern

@ Pin Functions (PDR027A)

[PDO

Chip enable output for PLL IC

0 QO m

/CURRO

Tuner voltage FIX output

Data input from CD mechanism module LSI

Data output for CD mechanism module LSI

Clock output for CD mechanism module LSI

[Notused

—"'s'"'"'"'SSSCCL

power control output

FM power control output

Focus OK signal input

Spindle lock detector input

Load motor loading control output

[Notused

NGM

Model select input

Grille power supply

control output

System

power supply

control output

Itlumination power supply

control output

System mute output

Beep tone output

Door system select output

Door open/close sense input

Strobe pulse output for electronic volume

Clock output for electronic volume

DCONT

N =

fo =

~ oim

n KIO;<

Piz

° pO

ro)

Qa A

|____31_ | CDLOAD

37,38

39,40

ODEL2,3

UTE

RSENS

Data output for electronic volume

External relay

output

Tuner power supply

control outp

z Z|-|A0|2|<|<|/<|Zl0}9

=|nlnlz

alol<|2

a) ARS

|ZIO|YQ4la/

alo

ElEls|s|lo

DIDINIO

alZiey CAC) Bis iaisigiel

sage

=\s z|

|"2lS|8

DRELAY

[Notused

—s—"'"'"'CN™SOCOCOCOCOCO#C#*#*#C#C#C#C#C*;*C*é«C

[Resetinput

C("'"'CSCO;™OOCOCOCOCOC#C*idC

PLL lock sense input

Back up power sense input