DTC-9.4
SERVICE PROCEDURES
1. Replacing the fuses3. Safety-check out
(Only U.S.A. model)
This symbol located near the fuses indicates After correcting the original service problem, perform the
that the fuse used is fast operating type. For continfollowing safued ety check before releasing the set to the
protection against fire hazard, replace with same type fusecustomer. Connect the insulating-resistance tester betw. een
For fuse rating refer to the marking adjacent to the symbol.the plug of power supply cord and screw on the back panel.
Specifications: 3.3Mohm+/-10% at 500V.
Ce symbole indique que le fusible utlise est a
rapide. Pour une protection permanente, n'untiliser que 4. Memory Preservation
fusibles de meme type. Ce darnier est la qu le present
This unit does not require memory preservation batteries. A
symbol est appse.
built-in memory power back-up system preserves the contents
of the memory during power failures and even when the unit is
CIRCUIT NO. PART NO. DESCRIPTIONunplugged. The unit must be plugged in order to charge the
F901 2521623.15A-UL/T-237back-up system.
The memory preservation period after the unit has been
unplugged varies depending on climate and placement of theF9501,F9502 252160 or2.5A-UL/T-237 or
2522542.5A-T/UL-ST2unit. On the average, memory contents are protected over a
period of a few weeks after the last time the unit has been
F9503,F9504 252158 or1.6A-UL/T-237 or
unplugged. This period is shorter when the unit is exposed to a
2522521.6A-T/UL-ST2highly humid climate.
2. To initialize the unit
This device employs a microprocessor to perform various
functions and operations. If interference generated by an
external power supply, radio wave, or other electrical source
results in accident which causes the specified operations
and functions to operate abnormally.
To perform a result, please follow the procedure below.
1.Press the STANDBY ON button to turn on the unit.
2.Press and hold down the VIDEO 1 button, then press the
STANDBY/ON button.
3.After "CLEAR" is displayed, the preset memory and each
mode stored in the memory, such as surround, are
initialized and will return to the factory setting.
4.Unplug the power supply cord. |
ACEC
