DR-S2.2
SERVICE PROCEDURES-2
FL display
c l e a r
The memory of unit is initialized.
(The shipment state of the product)
SERVICE PROCEDURE
1. Replacing the fuses
This symbol located near the fuse indicates that the
fuse used is show operating type, For continued protection against
fire hazard, replace with same type fuse , For fuse rating, refer to
the marking adjest to the symbol.
Ce symbole indique que le fusible utilise est e lent.
Pour une protection permanente, n'utiliser que des fusibles de meme
type. Ce demier est indique la qu le present symbol est apposre.
2. Safety-check out
(Only U.S.A. model)
After correcting the original service problem perform the following safety check before releasing the set to the customer
Connect the insulating-resistance tester between the plug of power supply cord and terminal GND on the back panel.
Specifications: More than 10M ohm at 500V
REF NO.
F9921
DESCRIPTION
4A-SE-EAK
4A-UL/T-237
1.25A-SE-EAWK
3.15A-UL/T-237
PART NO.
252077
252163
252071
252162
REMARKS
PP2P, PT3P, GK3P, PA4P, GR6P
DD1N, DT3P, DS4P
PP2P, PT3P, GK3P, PA4P, GR6P
DD1N CDT3P, DS4
[NOTES]
DD1N: North American area (Regional code-1)
PP2P: European area (Regional code-2)
GK3P: Korean area (Regional code-3)
DT3P: Some Asian area (AC 230V, Regional code-3)
PT3P: Some Asian area (AC 120V, Regional code-3)
PA4P: Australian area (Regional code-4)
DS4P: South America area (Regional code-4)
GR6P: Chinese area (Regional code-6)
3. To initialize the unit.
1. Connect power supply cord to the wall outlet.
2. Press POWER to switch on the main power to put the unit in the standby mode.
(European and some Asian models only)
3. Press STANDBY/ON the unit or remote controller to turn on unit.
4. Press the hold down SPEAKER SETUP button, the press STANDBY/ON button.
5. Press POWER to switch off the main power
(European and some Asian models only)
6. Disconnect power supply cord from the wall outlet.
4. Changing the AM band step
To 10kHz To 9kHz
R8058 10 k ohms None
R8059 1 .5 k ohms 10 kohms
R8058 and R8059 on
NADG-7452 (DSP and microprocessor PC board)
With the exception of the worldwide models, a tuning step selector switch is not provided. When you change the band step,
change the parts as shown below.
5. Regional Restriction Codes (Region Number)
Regional restriction codes are built into DVD Receivers and DVD
videos for each sales region. If the regional code of the DVD
Receiver does not match one of the regional codes on the DVD
video, playback is not possible.
The regional number can be found on the rear panel of the DVD
Receiver. (e.g.
1
for Region 1)
Page 4