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PIONEER CT-IS21
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of PIONEER CT-IS21 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 31 (click to view)
CT-IS21

7. GENERAL INFORMATION
7.1 DIAGNOSIS
7.1.1 POWER ON SEQUENCE
⢠STANDBY/ON key is pressed. ⢠Receive the system power on information with the sytem bus. Note : Pin No. shows the Pin No. of µ-COM PDC059A.

Go to Power ON

No

Is Tray open ?

Check the mecha. switch (port Pin 40 and Pin 41 ) CLOSE Pin 40 = H , Pin 41 = L OPEN Pin 40 = L , Pin 41 = H

Yes Tray close Close it if the tray is opened (port Pin 1 and Pin 47 ) CLOSE Pin 1 = L , Pin 47 = H OPEN Perform the mechanism initialization every time it power on. (When the AC outlet is pulled out while raising up the Head Base or the gear comes off, perform the initialization every time because the normal movement can't be done.) Pin 1 = H , Pin 47 = L

200mS WAIT Check that the mecha. is stop condition (port Pin 17 = L)

Is MODE SW OFF ? No

Yes

MOTOR ON SOL 50mS ON (port Pin 2 ) 500mS WAIT MOTOR ON (port Pin 3 ) No 150mS WAIT Is MODE SW OFF ? Yes Is it fifth times ? No No Is MODE SW OFF ? Yes 300mS WAIT Yes :ERROR

ERROR

Is it second times ? Yes :Give up

No

MOTOR OFF

(port Pin 3 )

Initialize end Deck motor off (port Pin 3 = L)

END

31

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