Adjustment Of Rev Tension Sensor Position - Panasonic AG-MD830E Service Manual

3-6-15. ADJUSTMENT OF REV TENSION
SENSOR POSITION
«TOOL»
Tension Sensor Adj. Fixture
Tension Post Adj. Plate
Fine Adj. Screwdriver
Digital Volt Meter
«SPEC»
2.3V - 2.7V
VFK0806
VFK0236
VFK0330
Purchase locally
Note: Assemble a Tension Sensor Adjustment
Fixture (VFK0806) and a Tension Post Adj.
Plate (VFK0236) as shown in Figure M38-A.
TENSION SENSOR AOJ. FIXTURE (VFK0806)
SCREWS
TENSION POST AOJ. PLATE (VFK0236)
Figure M38-A
1. Remove the Top Plate and Cassette Holder Unit.
(refer to Disassemble Procedures)
2. Disconnect the 4pin and 2pin flat wire to the pin3
and 4 of the connector P1508.
3. Connect two wires of 4pin flat wire to the pin3and
4 of the connector P1508.
4. Push the Sub Wiper Arm (R) to direction of
Cassette loading.
Then the Sub Wiper Arm (R) goes down it self and
mode of machine change to STOP.
5. Turn the Power switch off.
6. Remove the Cassette Compartment (refer to
Disassembly Procedures).
7. Connect the V.T.v.M. of D.v.M. to TP8008 on the
Video 3 C.B.A.
8. Place the Tension Post Position Adjustment Plate
with the Fixture over the reel tables as shown in
Figure M38-B.
Figure M38-B
9. Turn the Power switch on.
10. Slightly loosen 2 screws (C). Insert a Fine Adj.
Screwdriver in the hole (D)(Figure M38-C).
Figure M38-C
11. Press the PLAY button.
12. Adjust the Rev Sensor Position so that
measurement becomes D.C. 2.3V - 2.7V.
13. Tighten the 2 Screws (C).
14. Remove the Tension Sensor Fixture.
15. Reinstall the Cassette Compartment.
16. Confirm Playback picture (Rev Playback mode,
Playback mode etc.)
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