
DISASSEMBLY/ASSEMBLY PROCEDURES.
5.1.5. HOT CIRCUIT
Primary circuit exists on the 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.
5.1.6. SERVICE MODE
In order to inhibit detection of the Supply & Takeup Photo Transistors, Reel Sensor, and
Cylinder Lock, press and hold VCR/TV button and CH DOWN buttons on VCR together over 5
seconds in power off condition.
Fig. 5-1
The power comes on and 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.
5.1.7. TRACKING CENTER MODE (TRACKING FIX AT CENTER)
Insert the Cassette tape. Set the unit into Service Mode. Play back the Cassette tape. Press
PLAY button in Play back mode. "TRACKING CENTER" will be displayed on the TV monitor.
In this mode, the tracking is fixed at center. (Auto tracking and manual tracking functions are
not operational.)
Fig. 5-2
11
Summary of Contents for Omnivision PV-V4621
Page 6: ...Fig 1 3 Fig 1 4 Fig 1 5 6 ...
Page 26: ...6 2 2 Inner Parts Location Fig J1 1 26 ...
Page 27: ...6 2 3 EJECT Position Confirmation Fig J1 2 27 ...
Page 58: ...11 2 MECHANISM BOTTOM SECTION 58 ...
Page 59: ...11 3 CASSETTE UP COMPARTMENT SECTION 59 ...
Page 60: ...11 4 CHASSIS FRAME AND CASING PARTS SECTION 60 ...
Page 61: ...11 5 PACKING PARTS AND ACCESSORIES SECTION 61 ...