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SYNC TEST JIG SCHEMATIC
Oscilloscope setting.
VERTICAL:
HORIZONTAL:
How to start test mode
Turn on the power while holding down the [Play],[Rec] and [VCO2] button.
Summary of the test mode
There is a [stand-by state] and [test execution state] state at the time of inspection.
Usually it is in [test execution state], but it is in standby mode by interrupting the test all the LED blinks
when an error occurs during the inspection.
With the exception of the error display and LED inspection, inspection number is displayed on the
7-segment LED.
Test Mode Introduction
Inspection
Display
Number
0
0. *
1
1. *
2
2. *
3
3. *
4
4. *
5
5. *
6
6. *
7
7. *
8
8. *
14
14. *
15
15. *
*1) This test is not required.
Test Mode Operation
Operation in the [test execution state] state
[VCO1]+[VCO3] button
[VCO1]+[FUNC] button
[VCO1]+[VCO2] button
[VCO3] button
[FUNC] button
.
Operation in the standby state
[VCO3] button
[FUNC] button
[VCO2] button
[VCO1]+[VCO2]button
CH1 500mV/DIV, DC coupling
2.5mS/DIV
inspection
item
Internal inspection(Pin,ROM,Panel)
LED and button check
Rotary switch check
AD and knob inspection
Synchronization function inspection
Audio check
Audio PCB inspection
Battery inspection
Checking the tuner function
Electrostatic sensor display
Power off test
Exiting the test running and return to the previous
inspection.
Exiting the test running and proceed to the next inspection.
Exiting the test running and change to standby mode
Return to the previous step.
Skip to the next step.
It returns to the previous inspection keep standby.
It proceeds to the next inspection keep standby.
To start the inspection in stand-by state
error contents display
*1)
*1)
*1)
*1)
*1)
*1)
*1)
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