Read Sony CDX-3183 Service Manual online
– 15 –
SECTION 3
ELECTRICAL ADJUSTMENTS
Carrier frequency : 98.00 MHz
Output level
Output level
: 22 dB (12.6
µ
V)
Mode
: mono
Modulation
: 1 kHz, 22.5 kHz deviation (30%)
Procedure :
1. Set to the test mode.
2. Push the SOURCE button and set to FMI.
1. Set to the test mode.
2. Push the SOURCE button and set to FMI.
Display
FM Auto Scan/Stop Level Adjustment
Setting :
D-BASS switch : OFF
SOURCE button : FMI
SOURCE button : FMI
3. Push the preset 3 button.
Display
TUNER SECTION
Cautions during repair
When the tuner unit is defective, replace it by a new one
because its internal block is difficult to repair.
because its internal block is difficult to repair.
TEST MODE
This set have the test mode function. In the test mode, FM Auto
Scan/Stop Level and MW Auto Scan/Stop Level adjustments can
be performed easier than it in ordinary procedure.
Scan/Stop Level and MW Auto Scan/Stop Level adjustments can
be performed easier than it in ordinary procedure.
<Set the Test Mode>
1. Set the “OFF” mode.
2. Push the preset 4 button.
3. Push the preset 5 button.
4. Press the preset 1 button for more than two seconds.
5. Then the display indicates all lights, the test mode is set.
1. Set the “OFF” mode.
2. Push the preset 4 button.
3. Push the preset 5 button.
4. Press the preset 1 button for more than two seconds.
5. Then the display indicates all lights, the test mode is set.
<Release the Test Mode>
1. Push the OFF button.
1. Push the OFF button.
Note on Adjustment
The adjustments of tuner section, should be performed according
to the following sequence.
1. FM Auto Scan/Stop Level Adjustment
2. FM Stereo Separation Adjustment
3. MW Auto Scan/Stop Level Adjustment
to the following sequence.
1. FM Auto Scan/Stop Level Adjustment
2. FM Stereo Separation Adjustment
3. MW Auto Scan/Stop Level Adjustment
0 dB = 1
µ
V
SHUF
FMI
4. Adjust with the volume RV2 on TU01 so that the “FMI”
indication turns to “FMI I” indication on the display window.
But, in case of already indicated “FMI I”, turn the RV2 so that
put out light “I” indication and adjustment.
But, in case of already indicated “FMI I”, turn the RV2 so that
put out light “I” indication and adjustment.
Display
SHUF
FMI
SHUF
FMI I
antenna
terminal
FM RF signal
generator
0.01
µ
F
set
Adjustment Location : See page 17.
Click on the first or last page to see other CDX-3183 service manuals if exist.