Sony TA-SP55 Instrukcja serwisowa - Strona 3
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This unit cannot be repaired by itself.
When repairing, connect the whole system except for the speaker.
CD Text Display
• This unit displays CD text.
Text is displayed for the first 50 track only and will not be displayed from the 51st track onwards. Do not suspect a fault in this case.
In some cases, some special characters will not be displayed and may be replaced by other characters. Do not suspect a fault in this case.
Cold Reset
• The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the
customer.
Procedure :
1. When the power ON, press the ?/1 button (TA) while pressing the TUNING MODE button (ST) and ML buttons (CDP) together.
2. "COLD RESET" is displayed on the fluorescent indicator tube and reset is executed.
Hot Reset
• This mode reset the preset data kept in the memory. The hot reset mode functions same as if the power cord is plugged in and out.
Procedure :
1. When the power ON, press the ?/1 button (TA) while pressing the TUNING MODE button (ST) and lm buttons (CDP) together.
2. Turn off the unit and reset is executed.
GC Test Mode
Procedure :
1. When the power ON, press the ?/1 button (TA) while pressing the TUNING MODE button (ST) and PLAY MODE buttons (CDP)
together.
2. Fluorescent indicator tube are all turned on.
3. Press TUNING MODE button (ST) to enter the model destination indecation mode. "SP55 CE2" appears.
4.
Every pressing of TUNING MODE button (ST) changes the display in the following order.
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L 13942296513
MC Version t CD Version t ST Version t TC Version t TA Version t TM Version t model destination display.
5.
Press DISPLAY button (ST) and the date appears as " 00615a "
Every pressing of DISPLAY button (ST) changes the display in the Version display and model destination display.
6. Press TUNER/BAND button (ST) to enter the key check mode.
7. In the key check mode, the fluorescent indicator tube displays "Key 0 Vol 0". Each time a button is pressed, "Key" value increases.
However, once a button is pressed, it is no longer taken into account.
"Vol" Value increases like "1, 2, 3 ..." if rotating VOLUME knob (TA) in the clockwise direction, or decreases like "0, 9, 8 ..." if rotating
in the counterclockwise diretion.
8. To exit from this mode, press three buttons in the same procedure as step 1, or disconnect the power cord.
MC Test Mode
Procedure :
1. When the power ON, press the ?/1 button (TA) while pressing TUNING MODE button (ST) and REPEAT button (CDP) together.
2. Frame of the MD mark and the CD mark flash, and "BASS/TRE FLAT" appears for a moment.
3. When the VOLUME knob (TA) is turned clockwise, "VOLUME MAX" appears for a moment.
4. When the VOLUME knob (TA) is turned counterclockwise, "VOLUME MIN" appears for a moment.
5. Select the function "TAPE" using the FUNCTION knob (TA).
Set the test tape AMS-110A or AMS-120.
6. Press DIRECTION button (TC) to enter either "j" (loop) or "h" (two way).
7. Press the CD SYNC REC button (TC) to start the AMS test.
(FWD) REW
(FWD) FF AMS
www
(FWD) REW AMS
.
8. Number of AMS signals is counted during the AMS test and the message "EDG#" (# means a number) appears. When the test tape
either AMS-110A or AMS-120 is used, the AMS signal is detected twice before shut off.
9. When the AMS test ends, either "OK" or "NG" appears.
10. To exit the MC test mode, either press the ?/1 button (TA)or perform the cold reset as described above.
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