Tuesday, August 07, 2012

SONY - ICF-CD2000 ICF-CD2000S SERVICE ADJUSTMENTS [2]



Part-2

 TEST MODE

 TEST MODE-1 

 (Test Mode-1 Setting Methods)

  1. Connect TP455 to TP444.
  2. Insert external power supply.
Step - 2 [Operation in Test Mode-1]
  1. The CD auto adjustment is not performed, but LCD test mode is displayed.  Also ESP is placed OFF state and it does not turn ON.
  2. The 'sled' is operating, while the ( >>| ) or ( |<< ) key is pressed.  At this time, the spindle and tracking servos turn Off.
  3. The 'focus' search is performed until the focus becomes OK, if the CD  [CD >|| ] key is pressed.  At this time, the spindle and tracking servos turn Off.  Also when the focus becomes OK, the optical pickup moves almost center of the 12cm disc.  
  4. The spindle and tracking servos turn ON when the (Band) key is pressed.  Also, the 'mute' turns Off if the data is correct.  
Step -3. [Resetting of Test Mode]
  1. Remove the external power supply.
  2. disconnect TP455 & TP444.
TEST MODE - 2

Step - 1 (Test mode-2 setting methods)
  1. Connect TP447 to TP444.
  2. Insert external power supply.
Step -2 (Operation in test mode-2)
  1. The CD auto adjustment is performed.  Also, the ESP can be turned On of Off.  
  2. The 'sled' is operating, while the ( >>| ) or ( |<< ) key is pressed.  At this time the spindle and tracking servos turn OFF.
  3. The focus search is performed until the focus becomes OK, if the [ CD >>| ] key is pressed.  At this time, the spindle and tracking servos turn Off.  Also, when the focus becomes OK, the optical pickup moves at almost center of 12 cm disc.
  4. The spindle tracking servos turn ON, when the (Band) key is pressed.  Also, the 'mute' turns Off if the data is correct.  
  5. The pickup jumps by one track if ( >>| ) or ( |<< ) key is pressed when the spindle and tracking servos turn ON, or it jumps continuously if the key is kept pressed.  Also, if the (Preset) key is pressed, the following operation is performed.
  • Preset-1 => 1 track jump.
  • Preset-2 => 4 track jump.
  • Preset-3 => 16 track jump.
  • Preset-4 => 32 track jump.
  • Preset-5 => 256 track jump.
6.  The pickup jumps to the second music and the test mode is released, if ( CD >|| ) key is pressed when the spindle and tracking servos turn ON.

TEST MODE - 3

Step-1 (Test mode-3 setting methods)
  1. Connect TP448 to TP449.
  2. Insert external power supply.
Step-2 (Operation in the Test mode-3)
  • The same operation as in test mode-2 is performed.  however the LCD test mode is displayed same as in test mode-1.
End.


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