Roland RS-70 Service Notes page 23

fig.3-4-e
PWB Cutout Part
3) Secure the LOW and HI PCBs with screws, while holding the PCB at the center, and starting at the center screw
(1) and then (2) and (3). See Fig.5. Screw at the locations illustrated.
fig.5-e
2
* *
:Secure with screw : No screw is required unless the chassis hook becomes useless.
When using a power screwdriver, set the tightening torque to 8kgf.cm to firmly secure the PCB without damaging it. Overtightening will break foil conductors.
Positioning Pin of chassis
Chassis Hook Projecting Part of chassis
Fig.3
Fig.4
3
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Fig.5
Positioning reference Pin of chassis
1
Adjacent to PCBS
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RS-70
23