Panasonic SX-KC600 Manual page 17

10.2. Measuring condition of FAJ P.C.B.
Check Point 1 - 4
Set to the Self-diagnostic Mode followings.
- While pressing two E keys simultaneously, turn on the power
switch.
- MAIN VOLUME: Max.
- Keyboard: C
4
11. SCHEMATIC DIAGRAM
12. PRINTED CIRCUIT BOARD
12.1. MAIN,FAJ P.C.B.
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