Technics SX-KN6500 Service Manual page 5

Pcm keyboard
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1. Warning
To prevent the risk of fire, smoke, or electrical shock and to ensure safe operation, please be
sure to follow the safety guidelines below.
1. At places where special caution is required, the necessary safety
precautions are clearly labeled or printed, for example, on the
cabinet, or on the part concerned. Please follow these safety
precautions, and also those listed in the Owner'sManual.
2. Parts which have a
list are essential for safety. When replacing these parts, be sure to
use onlythe specified parts.
3. Use the specified types for internal wiring (double-insulated
wiring, etc.).
4. When replacing parts on the AC primary side (power transformer,
electric switch, electrical cord, noise-prevention condenser, etc.),
wind the lead wire and secure it by soldering.
5. Do not let the wiring come into contact with heat-emitting devices
(fuse resistor, radiator plate, etc.).
6. When replacing the wiring, make sure that it is not in contact with
the unfinished or rough edge of a part.
7. When replacing the power cord (except for the plug-in type), tug it
from various directions to confirm that it does not slip out of place.
8. Spacing
If soldering was done on the AC primary circuit, confirm that the
interval between the soldered terminals or between the terminal
and surrounding metallic parts is at least the minimum required
(between the primary circuit and the chassis: atleast 6.5 mm;
between primary circuit terminals: at least 4.0 mm; between
primary circuit terminals and secondary circuit terminals: at least
6.5 mm.).
; mark in the circuit diagram or in the parts
5

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