Panasonic PV-D4733S-K Service Manual page 132

4.1.16. BLACK SCREWS ON THE CHASSIS
Black Screws are used on the Mechanism Chassis to identify screws that require adjustment.
4.1.17. HOW TO RESET ALL MEMORY FUNCTIONS
To reset (clear) the select language, channel auto set and set clock functions to their initial power on
condition (power on, no cassette inserted), hold down the PLAY and CH UP buttons on the unit
together for more than 5 seconds.
Power will shut off.
4.1.18. HOW TO CONFIRM AUTO CLOCK SET FEATURE
1. Connect an RF cable from the output of one unit to the input of the
test unit.
2. Select corresponding RF channels.
3. Playback a recording of P.B.S. channel including clock set data and
confirm this feature.
4.1.19. VARIABLE VOLTAGE ISOLATION TRANSFORMER
An Isolation Transformer should always be used during the servicing of DVD VCR whose chassis is
not isolated from the AC power line. Use a transformer of adequate power rating as this protects the
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