Technics SL-HD550, Руководство по обслуживанию

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E08,
E0A Focus or
Tracking
gain
adjustments
not
completed in
specified
time period.
Scratches or contaminants on
disc surface.
Focus and Tracking servo
circuit. (check waveforms,
voltages and part values.)
Optical pickup.
FE IC702-pin
32
1.7 V
TE IC702-pin
33
1.7 V
OFT IC702-pin
36
0 V 0 V
8. To Supply Power Source
This unit is designed to operate on power supplied from system connected.
When a component requires service, use the system connections to supply
power source.
For system connections, refer to
Fig.8-1.
Fig. 8-1.
9. Schematic Diagram Notes
-
This schematic diagram may be modified at any time with the development of
new technology.
Notes:
S701:
Rest detect switch in OFF position
S790:
Disc Tray open detect switch in OFF position