Technics SX-PR1000 Service Manual page 27

12.2. Measuring condition of AS P.C.B.
Check Point 3 - 8
Set to the Self-diagnostic Mode followings.
- While pressing two E keys simultaneously, turn on the power
switch.
- SOUND : SOUND EXPLORER
- MAIN VOLUME: Max.
- Keyboard: A1
Check Point 1
Set to the Initial mode (refer to "OWNERS MANUAL ").
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