system in LP mode.
3. When unit is inoperative
Checking timer microprocessor circuit
When timer microprocessor was replaced, the following level meter
adjustment is required and ?Resorting Factory Setting? is required.
<Adjustment procedure>
1. Give 1Khz/-10dBV input to "L", "R" and audio input terminals of L1.
2. Enter the service mode. While power is off, press [Pause], [Open/Close] and [Stop] keys
simultaneously.
3. Set [DVD/TV] switch on remote controller to DVD, and press the channel key [1].
4. [ADJUST] and [MTR] displays appear, and the adjustment is done automatically.
5. Although the display does not disappear, the adjustment is finished when the meter lights up.
6. End the adjustment by turning the power off.
4. Display tube partly not illuminated
1. Enter the service mode. / [ Service mode: While power is off,
press [Pause], [Open/Close] and [Stop] keys simultaneously.]
2. Set [DVD/TV] switch on remote controller to DVD, and press the
channel key [6].
3. All segment LEDs light up.
4. If all light up, display tube and LED are normal.
5. Turn the power off, or press the channel key [0].
Last procedure
a. Resorting factory setting
When timer memory or digital P.C.B. is replaced, the data in each memory is altered.
In this case, restore the factory setting after repair.
1. Enter the service mode. / [Service mode: While power is off, press [Pause], [Open/
Close]and [Stop] keys simultaneously.]
2. Set [DVD/TV] switch on remote controller to DVD, and press the channel key [4].
3. Turn the power off, or press the channel key [0].
Or, while power is off, press [SKIP], [Pause] and [Open/Close] keys simultaneously.
Note:
If customer set up ?Child Lock? mode, cancel it with holding down [RETURN] and [CANCEL] button
simultaneously and perform ?Resorting factory setting?.
b. Aging
After the repair with unstable factors, perform aging.
Use the following service mode for aging.
1. Load on the tray a RAM disc that has at least one program recorded.
2. Set at LP or EP in REC mode.
3. Press [Pause], [Open/Close] and [CH Down] keys simultaneously for 5 to 10 seconds.
27
ACEC
