Sony XDR-S40DBP Service Manual ▷ View online
XDR-S40DBP
9
2-9. MODULE ASSY (DAB MODULE) (DAB1)
2-8. MAIN BOARD
long side
notch
short side
Note: When installing the connector
pin 3P (CN104), check the
direction to install.
1 Remove three solders.
3 sheet (MD insulating)
4 module assy (DAB module)
(DAB1)
to module assy
(DAB module) (DAB1)
(DAB module) (DAB1)
to MAIN board
2 connector pin 3P
(CN104)
–
DAB module block rear top side view
–
3 Remove three solders.
8 Remove six solders.
8 Remove six solders.
9 wire (6 core)
0 MAIN board
9 wire (6 core)
5 Remove three solders.
6 two claws
7 holder (antenna)
block
3 Remove eighteen solders.
3 Remove thirty solders.
1 Remove the solder.
1 Remove the solder.
1 Remove the solder.
1 Remove the solder.
1 Remove the solder.
1 Remove the solder.
1 Remove the solder.
1 Remove the solder.
2 terminal
(module)
2 terminal
(module)
2 terminal (module)
2 terminal (module)
4 DAB module block
terminal
(module)
(module)
MAIN board
solder
holder (antenna)
Cut this part.
solder
1.5 mm
module assy (DAB module)
(DAB1)
(DAB1)
7HUPLQDOPRGXOHVHWWLQJ
–
0$,1ERDUGEORFNUHDUWRSVLGHYLHZ
–
Note: When the holder (antenna) replacing,
cut off the part as shown in the
figure
below.
XDR-S40DBP
10
SECTION 3
TEST MODE
1. PREPARATION OF TEST MODE
Prepare the following before checking test mode.
• AC
Prepare the following before checking test mode.
• AC
adaptor
• Regulated DC power supply
• Dry battery 4PCS. (SIZE “AA”, IEC designation LR6)
• Dummy
• Dry battery 4PCS. (SIZE “AA”, IEC designation LR6)
• Dummy
battery
• Headphone
• Signal
• Signal
generator
• Oscilloscope
• Loop
• Loop
antenna
• Ammeter
2. LCD CHECK
Procedure:
1. AC adaptor is inserted in DC jack (J201).
2. Press the [
1. AC adaptor is inserted in DC jack (J201).
2. Press the [
?/1
] button to turn the power on.
3. Press the [DAB/FM] button, and checks that there is no “
”
mark in the upper right of the liquid crystal display.
4. Press and hold the [
?/1
] button, while pressing the [MENU]
button.
5. Release the [MENU] button ([
?/1
] button is holding).
6. Press the [
v
], [
V
] button in order, and release the [
?/1
] button.
Enter the test mode and the “FW VER” appears.
7. Press the [
v
] or [
V
] buttons, select the “LCD CHK”, and press
the [ENTER/DISP] button.
8. The back light is turned on, and press the [
v
] or [
V
] buttons to
change the display pattern.
(Displayed characters in the following fi gure are example)
It checks that there are not contrast inconsistency and defective
indication.
indication.
9. Pull out the AC adaptor.
3. VERSION, RTC AND CURRENT CONSUMPTION
CHECK
Procedure:
1. Dummy battery is set to the unit, and it connects with a regu-
1. Dummy battery is set to the unit, and it connects with a regu-
lated DC power supply, and outputs the voltage of 6V.
2. Telescopic antenna is set, and press the [
?/1
] button to turn the
power on.
Checks that there is “
” mark in the upper right of the liquid
crystal display.
3. Press and hold the [
?/1
] button, while pressing the [MENU]
button.
4. Release the [MENU] button ([
?/1
] button is holding).
5. Press
the
[
v
], [
V
] button in order, and release the [
?/1
] button.
Enter the test mode and the “FW VER” appears.
6. Press the [ENTER/DISP] button to display the fi rmware ver-
sion.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
7. Press the [BACK] button, return to the test menu.
8. Press
8. Press
the
[
v
] or [
V
] buttons, select the “RTC CHK”, and press
the [ENTER/DISP] button to start the RTC check.
The message “RTC_OK” appears on the liquid crystal display.
Press the [BACK] button, return to the test menu.
Press the [BACK] button, return to the test menu.
9. Press the [
v
] or [
V
] buttons, select the “INIT”, and press the
[ENTER/DISP] button twice to turn the power off.
10. Press the [
?/1
] button to turn the power on.
11. Press the [DAB/FM] button, change to DAB function.
Checks that current consumption is under 150 mA using an
ammeter.
ammeter.
12. Press the [DAB/FM] button, change to FM function.
Checks that current consumption is under 160 mA using an
ammeter.
ammeter.
13. Press the [
?/1
] button to turn the power off.
Checks that current consumption is under 30 μA using an am-
meter.
meter.
14. Remove dummy battery.
(Display is all off)
FW VER
FW VER
XDR-S40DBP
11
L-ch
R-ch
L-ch
R-ch
L-ch
R-ch
4. FM RECEPTION CHECK
Procedure:
1. Input the following signal from signal generator to FM antenna
1. Input the following signal from signal generator to FM antenna
input.
Output frequency: 87.5 MHz
Deviation: 75 kHz/M+S 27 %
Modulation: 1 kHz
Output level: 80 dBuV/m
2. L and R channels are outputted from the signal generator.
3. AC adaptor is inserted in DC jack (J201).
4. Press the [
3. AC adaptor is inserted in DC jack (J201).
4. Press the [
?/1
] button to turn the power on.
5. Checks that there is no “
” mark in the upper right of the
liquid crystal display.
6. Press the [DAB/FM] button, change to FM function.
7. Press the [
7. Press the [
v
] or [
V
] buttons, change to the frequency of “87.5
MHz”.
8. [– VOL +] jog is turned to center, headphone is inserted in
headphone jack (J202) and it checks that the sound is outputted
from headphone.
from headphone.
It checks that there is no defect. Monaural, reception cannot be
carried out and sensitivity is weak, etc.
carried out and sensitivity is weak, etc.
9. [– VOL +] jog is turned in the counterclockwise direction to a
minimum. The sound from a headphone becomes small suit-
ably, and it checks that there is no defective sound quality.
ably, and it checks that there is no defective sound quality.
(Sound is not outputted at the time of a minimum)
10. [– VOL +] jog is turned in the clockwise direction to a maxi-
mum. The sound from a headphone becomes large suitably,
and it checks that there is no defective sound quality.
and it checks that there is no defective sound quality.
11. Headphone is pull out from the unit. It checks that the unit is
struck 3 times lightly and the sound from a speaker does not
have interruption and defective sound quality.
have interruption and defective sound quality.
12. [– VOL +] jog is turned in the counterclockwise direction to a
minimum. The sound from a speaker becomes small suitably,
and it checks that there is no defective sound quality.
and it checks that there is no defective sound quality.
(Sound is not outputted at the time of a minimum)
13. [– VOL +] jog is turned in the clockwise direction to a maxi-
mum. The sound from a speaker becomes large suitably, and it
checks that there is no defective sound quality.
checks that there is no defective sound quality.
14. The audio connecting cord from an oscilloscope is inserted in
the headphone jack (J202).
15. The stereo waveforms are checked with an oscilloscope.
Example:
16. R channel is outputted from the signal generator, and R-chan-
nel waveform is checked with an oscilloscope.
Example:
17. L channel is outputted from the signal generator, and L-chan-
nel waveform is checked with an oscilloscope.
Example:
18. The audio connecting cord from an oscilloscope is pull out the
headphone jack (J202).
19. Press the [
?/1
] button to turn the power off.
20. Pull out the AC adaptor.
XDR-S40DBP
12
5. DAB RECEPTION CHECK
Procedure:
1. Input the following signal from signal generator to DAB an-
1. Input the following signal from signal generator to DAB an-
tenna input.
Output frequency: 174.928 MHz -48 dB/m
2. Equip this unit with dry battery.
3. Telescopic antenna is perpendicularly set to the unit.
4. Press the [
3. Telescopic antenna is perpendicularly set to the unit.
4. Press the [
?/1
] button to turn the power on.
5. Press the [DAB/FM] button, and [– VOL +] jog is turned to
center.
6. Press and hold the [
?/1
] button, while pressing the [MENU]
button.
7. Release the [MENU] button ([
?/1
] button is holding).
8. Press the [
v
], [
V
] button in order, and release the [
?/1
] button.
Enter the test mode and the “FW VER” appears.
9. Press the [
V
] button 3 times to select the “DAB CHK”.
10. L and R channels are outputted from the signal generator.
Press the [ENTER/DISP] button, the message “174_928M”
appears on the liquid crystal display. Press the [ENTER/DISP]
button again, the display will change to “CER_”.
appears on the liquid crystal display. Press the [ENTER/DISP]
button again, the display will change to “CER_”.
11. Headphone is inserted in headphone jack (J202) and it checks
that the sound is outputted from headphone.
It checks that there is no defect. Reception cannot be carried
out and sensitivity is weak, etc.
out and sensitivity is weak, etc.
12. [– VOL +] jog is turned in the counterclockwise direction to a
minimum. The sound from a headphone becomes small suit-
ably, and it checks that there is no defective sound quality.
ably, and it checks that there is no defective sound quality.
(Sound is not outputted at the time of a minimum)
13. [– VOL +] jog is turned in the clockwise direction to a maxi-
mum. The sound from a headphone becomes large suitably,
and it checks that there is no defective sound quality.
and it checks that there is no defective sound quality.
14. Headphone is pull out from the unit. It checks that the unit is
struck 3 times lightly and the sound from a speaker does not
have interruption and defective sound quality.
have interruption and defective sound quality.
15. [– VOL +] jog is turned in the counterclockwise direction to a
minimum. The sound from a speaker becomes small suitably,
and it checks that there is no defective sound quality.
and it checks that there is no defective sound quality.
(Sound is not outputted at the time of a minimum)
16. [– VOL +] jog is turned in the clockwise direction to a maxi-
mum. The sound from a speaker becomes large suitably, and it
checks that there is no defective sound quality.
checks that there is no defective sound quality.
17. Remove battery.
6. INITIALIZE
After the completion of repair, execute initialization.
All the settings, presets and the list of receivable DAB stations will
be deleted.
After the completion of repair, execute initialization.
All the settings, presets and the list of receivable DAB stations will
be deleted.
Procedure:
1. Press the [
1. Press the [
?/1
] button to turn the power on.
2. Press the [MENU] button, and the enter the menu mode.
3. Press
3. Press
the
[
v
] or [
V
] buttons, select the “RESET”, and press the
[ENTER/DISP] button.
4. Press the [
v
] or [
V
] buttons, select the “OK”, and press the
[ENTER/DISP] button.
5. The message “COMPLETE” appears on the liquid crystal dis-
play, initialization is completed, then turn the power off.
FW VER
DAB CHK
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