Sony STR-DA1500ES, Руководство по обслуживанию

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STR-DA1500ES
13
SIRIUS FACTORY TEST MODE
* Mode to con fi rm operation of SIRIUS. Doing display of ID
of SIRIUS antenna and output of audio signal that SIRIUS
antenna generates, it is con
fi rmed that there are no problems in
the communication of the SIRIUS antenna and the transmission
of the audio signal.
* Procedure:
1. The SIRIUS antenna was connected, while pressing the [FM
MODE] and [DISPLAY] buttons, press the [
?/1
] button to
turn on the main power.
2. Whenever the [DISPLAY] button is pressed, the output of the
audio signal of 1 kHz L/R, 20 Hz L/R, 10 kHz L/R, noise L,
noise R and stop tone are switched.
INITIALIZE MODE
* All preset contents are cleared when this mode is activated.
Use this mode before returning the product to clients upon
completion of repair.
* Procedure:
1. While pressing the [SPEAKER A/B/A+B] and [SLEEP]
buttons press the [
?/1
] button to turn on the main power.
2. The message “CLEARING” appears and the memories are
reset to the default values.
3. When done, the message “CLEARED” appears.
DMPORT MODE
* All preset contents are cleared when this mode is activated.
Use this mode before returning the product to clients upon
completion of repair.
* Procedure:
1. Connect the DMPORT check jig (P/N: J-2501-309-A) with
the DMPORT Jack (CN8003) on the MICON board.
2. While pressing the [MEMORY/ENTER] and [TONE ON/
OFF] buttons, press the [
?/1
] button to turn on the main
power.
3. The message “DMPORT T.” and “DMPORT OK” appears on
the fl uorescent indicator tube and enter the digital media port
test mode. (Con fi rmation of communication line). When “
NO DETECT”, “UART NG” and “UART TO” are displayed
on the
fl uorescent indicator tube, con fi rm the connection
of the DMPORT check jig, and enter the mode again. Each
time the [
>
] button on the remote commander is pressed,
the connect check and adaptor version check are switched.
Press the [
.
] button on the remote commander, connected
con fi rmation of the DMPORT check jig is done again.
4. To a pinjack of the DMPORT check jig input information
relevant to audio signal (sine-wave 1.0V rms) and composite
video signal (white 100% 1.0Vp-p, color bar, etc).
5. Con fi rm the output of speakers and monitor TV. (Con fi rmation
of analog signal).
6. To release from this mode, press the [
x
] button on the remote
commander.
color
pattern
generator
DMPORT
check jig
(Part No.:
J-2501-309-A)
MICON board
CN8003
VIDEO board
J6004
set
TV
monitor
FL/FR
speaker
MAIN board
TM602
J001
AF
oscillator
SECTION 4
FM TUNER CHECK
FM AUTO STOP CHECK
Procedure:
1. Turn on the set.
2. Input the following signal from Signal Generator to FM
antenna input directly.
* Carrier Frequency: A=87.5 MHz, B=98 MHz, C=108 MHz
Deviation
: 75 kHz
Modulation : 1 kHz
ANT input : 35 dBu (EMF)
Note:
Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.
3. Set to FM tuner function and scan the input FM signal with
automatic scanning.
4. Con fi rm that input Frequency of A, B and C are detected and
automatic scanning stops.
The stop of automatic scanning means “The station signal is
received in good condition.”
generator
OUT (75 Ω )
set
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