AM/FM STEREO DIGITAL
PC board shown are viewed from parts side.
The parts with no reference number or no parts number
in the exploded views are not supplied.
As regards the resistors and capacitors, refer to the
circuit diagrams contained in this manual.
Parts marked with this sign are safety critical
components. they must be replaced with identical
ensure exact replacement.
!
components - refer to the appropriate parts list and
1 SPECIFICATIONS
3 EXPLODED VIEW AND PARTS LIST
4 PC BOARDS AND PARTS LISTS
5 WIRING DIAGRAM
6 INCLUDED ACCESSORIES
2
3
16
26
28
2 ADJUSTMENT AND CHECKS
6
RADIO WITH CD PLAYER
Parts of [ ] mark can be used only with the version designated.
[E]: Europe
[UK]: UK/HK
SL-D900
1 SPECIFICATIONS
SL-D900
2
TUNER SECTION
Frequency Range :
Design and specifications are subject to change without notice.
Illustrations may differ slightly from production models.
FM : 87.50 ~ 108.0 MHz
AM : 522 to 1620 kHz
Power Requirements:
GENERAL
Type :
Impedance :
65 mm ( L & R )
8 ohms ( L & R)
SPEAKER SYSTEM Section
CD PLAYER Section
Frequency response :
20 Hz ~ 22 kHz (=1 dB)
Wow and Flutter:
Unmeasurable
Total Output Power:
40W
Dimension (W x H x D ):
Weight: (net)
Standard Accessories:
Warranty Card x 1
5.4 kg
Power Consumption:
,
40 W
340 x 190 x 259 mm
Remote Control Unit (RC-1023) x1
Owner s Manual x 1
230V , 50Hz
80 mm ( subwoofer)
8 ohms ( subwoofer)
SL-D900
3
2 ADJUSTMENTS AND CHECKS
Use a screwdriver with a plastic or ceramic grip for all adjustment.
2-1 TUNER SECTION
1. Set the function switch to the TUNER position.
2-1-1 FM adjustment
1. Set the function switch to the TUNER position.
3. Connect the test loop antenna across the output of the signal generator.
4. Connect the oscilloscope to the PHONE JACK terminal.
2-1-2 AM adjustment
3. Connect the signal generator output through a 75 ohm dummy
4. Connect the oscilloscope to the PHONE JACK terminal.
5. Connect the digital mulitimeter to R406/R407 on TUNER PCB.
antenna to "ANT" on MAIN PCB.
2-2 Adjustment and Test Points
TUNER PCB
TC401
L404
L400
L
4
0
2
A
M
A
N
T
C
O
IL
2. Set the BAND switch to the AM position.
2. Set the BAND switch to the FM position.
TC400
L401
L403
VT
R406
R407
6. Set the signal generator as listed in the alignment chart.
6. Set the signal generator as listed in the alignment chart.
5. Connect the digital mulitimeter to R406/R407 on TUNER PCB.
4
SL-D900
2-2-1 AM Tuner
ITEM
ADJUSTMENT POINT
ADJUSTMENT
SG SETTING
TUNER SETTING
AM
2. IFT
450kHz
1kHz, 30% mod
L404
3. ANT COIL
Repeat step 3
1404kHz
1kHz, 30% mod
1kHz, 30% mod
L402
TC401
AM ant coil
603kHz
1404kHz
603kHz
1. VOLTAGE
adjustment
1620kHz
L403
Check
VT
7.8-8.2V
522kHz
adjustment
4. TC401
adjustment
adjustment
repeat step 3
and 4
603kHz
Maximun output level
Maximun output level
Maximun output level
60 cm
AM Loop
AM Signal Generator
Antenna
PHONES
SL-D900
Fig. 2-2-2
1 k ohm
1 k ohm
AC Voltmeter
Digital multimeter
AM
S1
R407
R406
VT voltage
3-2-3 FM Tuner
adjustment
1. VOLTAGE
87.5MHz
108 MHz
Check
L401
VT
7.8-8.2V
ITEM
ADJUSTMENT POINT
ADJUSTMENT
SG SETTING
TUNER SETTING
FM
SL-D900
5
adjustment
2. ANT Coil
adjustment
3. TC400
90.1 MHz
1kHz, 22.5 kHz
106.1 MHz
1kHz, 22.5 kHz
90.1MHz
106.1 MHz
L400
TC400
Repeat step 2
and 3
Maximun output level
Maximun output level
FM Signal Generator
PHONES
SL-D900
Fig. 2-2-4
1 k ohm
1 k ohm
AC Voltmeter
Digital multimeter
FM
S1
R407
R406
VT voltage