DTR-6.3
SERVICE PROCEDURES
1. Replacing the fuses
3. Safety-check out
(Only U.S.A. model)
This symbol located near the fuses indicates that the
After correcting the original service problem, perform thefuse used is fast operating type. For continued protection against
following safety check before releasing the set to the customer.fire hazard, replace with same type fuse. For fuse rating refer to
Connect the insulating-resistance tester between the plug of power
supply cord and screw on the back panel.the marking adjacent to the symbol.
Specifications: 3.3Mohm+/-10% at 500V.
Ce symbole indique que le fusible utlise est a rapide.
Pour une protection permanente, n'untiliser que fusibles de
4. Memory Preservation
meme type. Ce darnier est la qu le present symbol est
appse.This unit does not require memory preserv ation batteries. A
built-in memory power back-up system preserves the contents
CIRCUIT NO. PART NO. DESCRIPTIONof the memory during po wer f ailures and e ven when the unit is
unplugged. The unit must be plugged in order to charge the
F6901,F690225219612A-UL/T-314,Fuse
back-up system.F90125219910A-UL,Fuse
The memory preserv ation period after the unit has been
unplugged varies depending on climate and placement of theF9501 252160 or2.5A-UL/T-237 or
unit. On the average, memory contents are protected over a2522542.5A-T/UL-ST2,Fuse
period of a few weeks after the last time the unit has been
2. To initialize the unitunplugged. This period is shorter when the unit is exposed to a
This device employs a microprocessor to perform varioushighly humid climate.
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 and hold down the VIDEO-1 button, then press the
STANDBY/ON button.
2.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. |
ACEC
