Panasonic PVQ-1312W, Service Manual

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5.1.4. HOT CIRCUIT
Primary circuit exists on the TV/VCR Main C.B.A.
This circuit is identified as "HOT" on the C.B.A. and in the Service Manual. Use extreme care to
prevent accidental shock when servicing.
5.1.5. SERVICE MODE
In order to inhibit detection of the Supply & Takeup Photo Transistors, Reel Sensor, and Cylinder
Lock, press and hold STOP/EJECT, PLAY/REPEAT, and CH DOWN buttons on the unit together
over 5 seconds in power on condition.
Fig. 3
The unit goes into service mode.
In this mode, Mechanism movement can be confirmed. When removing Cassette Up Ass’y, it can
be confirmed without a cassette.
To release from this mode, press POWER button off or disconnect AC Plug.
5.1.6. DEFEATING THE AUTO TRACKING
To defeat the Auto Tracking Function, place the instrument in the STOP mode and place a jumper
between TP6003 and TP6009 on the TV/VCR Main C.B.A. The tracking will be placed in the neutral
position.
5.1.7. CAUTION FOR INSTALLATION OF VCR UNIT
CAUTION:
Opener Lever may be damaged when VCR Unit is installed, with
Cassette Door-Lid and Opener Lever of Cassette Up Ass’y set
incorrectly.
Install the VCR Unit as follows:
1. Swing the Cassette Door-Lid all the way open until the Cassette
Door tab clears the Opener Lever.
2. Make sure that all guide tabs are aligned properly. Then, press the
VCR Unit straight in.
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