LG-GOLDSTAR CF14A80Y Repair Manual

MECHANISM ADJUSTMENT
2. Preparation for Adjustment (T o set VCRNOTES:
(VCP) to the loading state without inserting
Always return the VCR(VCP) to the Front Loading Mecha-
a cassette.)nism Assembly State in the following order after the above
1) Unplug the Power Cord from the AC outlet.operations have been performed.
2) Separate the Top Cover and Front Loading Mechanism.1) Press the Eject button after turning the power ON.
3) Plug the Power Cord into the AC outlet.2) Wait for about 10 seconds until searching out the
4) Turn the VCR on and push the tact switch in the P.C.B.assembly position.
Assembly.3) Assemble the Front Loading Mechanism and connect
The VCR can accept inputs for each mode in this case.the Front Loading Mechanism Connector.
However the rewind and review operation cannot be4) Refer to the "Front Loading Mechanism Disassembly"
performed for more than a few seconds because theSection.
take-up reel table is in the stop state and reel pulses
cannot be detected.
NOTE
Cover the holes in the end sensors with black tape to
prevent a light leak.
3. Tension Post Position and Tension Adjustment
Purpose : To insure uniform tape contact with the video head by maintaining constant tape
tension.
Test Equipment / FixtureTest Conditions VCR(VCP) StateAdjustment Point
* Cassette Torque Meter* Position Adjustment: Play without a* Holder Band B and C
(For play 100g/cm)cassette
* Tension Check: Play
Position AdjustmentTension Adjustment
1) Remove cassette.1) Turn on VCR and load the cassette torque meter.
2) Adjust the position of tension post in accordance2) Press the play button and observe the torque tension
with figure C-3.on the supply reel (spec. 37g/cm+5g/cm).
3) If torque is out of spec. then use a Phillips screw
NOTEdriver and move the screw head located in the center
of the B and C band hold; to either the right or left
Align the Tension Post (2mm) to the hole in the Chassisuntil correct torque is indicated.
(2.5mm).
Lever Tension
Post P1
Post Tension
Tension ArmHold Band(B)
Chassis Hole ( 2.5mm)Post P0Hold Band(C)
Tolerance !!3 0.3mm with in
Fig. C-3
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