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
Содержание Omnivision PV-V4621
Страница 6: ...Fig 1 3 Fig 1 4 Fig 1 5 6 ...
Страница 26: ...6 2 2 Inner Parts Location Fig J1 1 26 ...
Страница 27: ...6 2 3 EJECT Position Confirmation Fig J1 2 27 ...
Страница 28: ...6 2 4 Grounding Plate Unit Full Erase Head and Cylinder Unit Fig J2 1 6 2 4 1 Reassembly Notes 28 ...
Страница 58: ...11 2 MECHANISM BOTTOM SECTION 58 ...
Страница 59: ...11 3 CASSETTE UP COMPARTMENT SECTION 59 ...
Страница 60: ...11 4 CHASSIS FRAME AND CASING PARTS SECTION 60 ...
Страница 61: ...11 5 PACKING PARTS AND ACCESSORIES SECTION 61 ...