Sunday, February 17, 2013

AIWA VX T2170 - MEMORY IC REPLACEMENT - SERVICE MODE




MEMORY IC REPLACEMENT
  • If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE.
  • Initial Data setting will not be possible if clock has been set. To reset clock, either unplug AC cord and allow at least 30 minutes before Power On or alternatively, discharge backup capacitor.
  • No need the setting for after INI 6.
ADDRESS
INI 01
INI 02
INI 03
INI 04
INI 05
INI 06
DATA
0B
11
1D
02
84
B8
  1. Enter DATA SET mode by setting VOLUME to minimum.
  2. While holding down VOLUME button on front cabinet, press key 6 on remote control simultaneously.
  3. ADDRESS and DATA should appear.
  4. ADDRESS is now selected and should "blink". Using the SET + or - keys on the remote, step through the ADDRESS until required ADDRESS to be changed is reached.
  5. Press ENTER to select DATA. When DATA is selected, it will "blink".
  6. Again, step through the DATA using SET + or - until required DATA value has been selected.
  7. Pressing ENTER will take you back to ADDRESS for further selection if necessary.
  • Repeat steps 4 to 7 until all data has been checked.
  • When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input.
  • The unit will now have the correct DATA for the new MEMORY IC.
ADJUSTMENT MODE SELECTION METHOD
  • Unplug the AC plug for more than 30 minutes to set the clock to the non-setting state. (To release the Back-Up immediately, take the short circuit between C101 and GND at the Power Off.)
  • Then, set the volume level to minimum.
  • Press the VOL. DOWN button on the set and the Channel button (9) on the remote control simultaneously to appear the adjustment mode on the screen.
  • Use the Channel buttons (1-7) on the remote control to select the options.
  • Press the Channel button (8) to end the adjustments.