Sony XDR-S7 Service Manual ▷ View online
SERVICE MANUAL
Sony Corporation
Audio&Video Business Group
Published by Sony Techno Create Corporation
XDR-S7
DAB/FM DIGITAL RADIO
9-889-178-02
2008H04-1
©
2008.08
UK Model
Ver. 1.1 2008.08
SPECIFICATIONS
Time display
24-hour system
Frequency range
Band
Frequency
Channel step
DAB (Band-III)
174.928 - 239.200 MHz
FM
87.5 - 108 MHz
0.05 MHz
DAB (Band-III) frequency table
(MHz)
No.
Channel
Frequency
No.
Channel
Frequency
1
5A
174.928
20
9D
208.064
2
5B
176.640
21
10A
209.936
3
5C
178.352
22
10B
211.648
4
5D
180.064
23
10C
213.360
5
6A
181.936
24
10D
215.072
6
6B
183.648
25
11A
216.928
7
6C
185.360
26
11B
218.640
8
6D
187.072
27
11C
220.352
9
7A
188.928
28
11D
222.064
10
7B
190.640
29
12A
223.936
11
7C
192.352
30
12B
225.648
12
7D
194.064
31
12C
227.360
13
8A
195.936
32
12D
229.072
14
8B
197.648
33
13A
230.784
15
8C
199.360
34
13B
232.496
16
8D
201.072
35
13C
234.208
17
9A
202.928
36
13D
235.776
18
9B
204.640
37
13E
237.488
19
9C
206.352
38
13F
239.200
Speaker:
Approx. 7.7 cm (3
Approx. 7.7 cm (3
1
/
8
in) dia. 4
Ω
Power output:
1 W (at 10 % harmonic distortion)
Output:
i (headphones) jack (φ 3.5mm stereo mini jack)
Power requirements:
9 V DC, six LR14 (size C) alkaline batteries
External power source:
DC IN 9 V
Dimensions:
Approx. 160.6
1 W (at 10 % harmonic distortion)
Output:
i (headphones) jack (φ 3.5mm stereo mini jack)
Power requirements:
9 V DC, six LR14 (size C) alkaline batteries
External power source:
DC IN 9 V
Dimensions:
Approx. 160.6
× 158.3 × 102.5 mm (w/h/d)
(Approx. 6
3
/
8
× 6
1
/
4
× 4
1
/
8
in) incl. projecting parts and controls
Mass:
Approx. 1.1 kg (2 lb 7 oz) incl. batteries
Supplied accessories:
AC power adaptor (1)
Approx. 1.1 kg (2 lb 7 oz) incl. batteries
Supplied accessories:
AC power adaptor (1)
Design and specifi cations are subject to change without notice.
XDR-S7
2
NOTES ON CHIP COMPONENT REPLACEMENT
•
•
Never reuse a disconnected chip component.
•
Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
aged by heat.
SAFETY-RELATED COMPONET WARNING!
COMPONENTS IDENTIFIED BY MARK
0 OR DOTTED LINE
WITH MARK
0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40 °C higher
• Unleaded solder melts at a temperature about 40 °C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
• Strong
viscosity
Unleaded solder is more viscous (sticky, less prone to fl ow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
•
Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
also be added to ordinary solder.
Notes on the AC power adaptor
•
•
When operating the unit with the internal batteries, remove the
AC power adaptor from the wall outlet and the DC IN 9 V jack.
Make sure that the plug of the external power source is discon-
nected before operating the unit.
AC power adaptor from the wall outlet and the DC IN 9 V jack.
Make sure that the plug of the external power source is discon-
nected before operating the unit.
• Use the supplied Sony AC power adaptor only. The polarity
of the plugs of other manufacturers may be different. Failure
to use the supplied AC power adaptor may cause the unit to
malfunction.
to use the supplied AC power adaptor may cause the unit to
malfunction.
XDR-S7
3
SECTION 1
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
POWER
SLEEP
TIMER
MENU
PRESET
DAB/FM
DISPLAY
LIGHT
PRESET
1
2
3
ENTER/FM SCAN
DC IN 9V
TUNING/SELECT +/–
VOLUME +/–
Initial setting for the unit
When the AC power adaptor is plugged in for the first
time after purchase (or after resetting) the unit will
automatically set the clock.
time after purchase (or after resetting) the unit will
automatically set the clock.
1
Plug in the unit.
“Setting clock...” appears in the display, and DAB
data adjusts the clock as it is received. When
finished, the current time appears in the display.
data adjusts the clock as it is received. When
finished, the current time appears in the display.
2
Press POWER to turn on the radio.
The unit will automatically scan and create a list of
receivable DAB broadcasts.
receivable DAB broadcasts.
Notes
• When you use only the batteries, carry out from
• When you use only the batteries, carry out from
step 2.
• If no services are found by the DAB scan, “No
Stations available” appears in the display.
Set the clock
Do the following if DAB broadcasts are not available
(depending on area). The time setting mode by DAB
becomes invalid.
(depending on area). The time setting mode by DAB
becomes invalid.
1
Press MENU and turn TUNING/SELECT to
select “Set clock,” and then press ENTER.
select “Set clock,” and then press ENTER.
The hour indication will be displayed as follows.
2
Turn TUNING/SELECT to set the hour, and
then press ENTER.
then press ENTER.
3
Repeat step 2 to set the minute, year, month
and day.
and day.
After setting the time, the clock starts from 0
seconds.
When changing to FM mode, press DAB/FM, and
then perform the above 3 steps.
seconds.
When changing to FM mode, press DAB/FM, and
then perform the above 3 steps.
Notes
• If you do not operate within 65 seconds while setting
• If you do not operate within 65 seconds while setting
the clock, the clock setting mode will be cancelled.
• The time will be adjusted automatically when the unit
receives a DAB service.
• The clock system of this unit is 24-hour system (“0:00”
= midnight).
Time adjustment-
Summer time
Summer time
Time adjustment is performed only when receiving DAB
service.
DAB service reception for at least one minute is required
to reset the time to Summer time.
service.
DAB service reception for at least one minute is required
to reset the time to Summer time.
Operating the radio
The unit can receive DAB services and FM stations.
1
Press POWER to turn on the radio.
When the unit is turned on again, the last band you
listened to is received.
listened to is received.
2
Press DAB/FM repeatedly to select the desired
band.
band.
Each press changes the band as follows:
DAB
FM
3
Turn TUNING/SELECT to tune to the desired
service or station.
service or station.
If you are selecting DAB, press ENTER.
4
Adjust the volume using VOLUME.
Note in FM usage
The frequency can be set in 0.05 MHz steps for FM.
The frequency can be set in 0.05 MHz steps for FM.
Notes in DAB usage
• If there are no services, you can choose only MANUAL
• If there are no services, you can choose only MANUAL
mode. (See “Other useful functions for DAB”.)
• When the ensemble for the selected service cannot be
received, “No Stations available” appears in the display.
About SC
(Secondary Component)
(Secondary Component)
If the selected primary component has a secondary
component, “**” appears in the display.
component, “**” appears in the display.
Turn TUNING/SELECT and press ENTER to receive the
desired secondary component. “**” appears while the
secondary component is received.
desired secondary component. “**” appears while the
secondary component is received.
Note
When the selected secondary component is finished, the
unit returns automatically to the primary component.
When the selected secondary component is finished, the
unit returns automatically to the primary component.
About the RDS
(Radio Data System)
(Radio Data System)
When the unit receives an FM station transmitting RDS
data, “RDS” appears in the display.
data, “RDS” appears in the display.
Each time you press DISPLAY, the display changes as
follows: current time and date, frequency, text
information.
follows: current time and date, frequency, text
information.
To listen with headphones
You can enjoy the radio and external equipment
connected to the line in by headphones (not supplied).
Connect headphones (not supplied) to the
connected to the line in by headphones (not supplied).
Connect headphones (not supplied) to the
J
(headphones) jack. The speaker is deactivated when
headphones are connected.
headphones are connected.
XDR-S7
4
SECTION 2
DISASSEMBLY
•
This set can be disassembled in the order shown below.
Note: Follow the disassembly procedure in the numerical order shown below.
2-1. CABINET (REAR)
2-1. CABINET
(REAR)
(Page
4)
2-2.
MAIN BOARD, DC BOARD, HP BOARD
(Page
5)
SET
2-3. KEY
BOARD
(Page
5)
2-4. LCD
BOARD
(Page
6)
battery case lid
RB cabinet (rear)
two screws
(+BV tapping (B2.6))
two screws
(+BV tapping (B2.6))
screw
(+PWH tapping (B2.6))
screw
(+PWH tapping (B2.6))
BATT2 board
BATT1 board
screw
(+P
(+P
(M2.6))
telescopic antenna
antenna terminal