PIKACHU PK240D
Service Manual

1.Tape Interchangeability Alignment
Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the center position every time a tape is loaded or unloaded. (Refer to page 2-3-4, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Alignment Tape (FL8NW) Guide Roller Adj. Screwdriver X-Value Adj. Screwdriver Note: Before starting this Mechanical Alignment, do all Electrical Adjustment procedures.

Flowchart of Alignment for tape traveling

Loading (Use a blank tape.)
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Adjust the height of the Guide Rollers (Supply side and take-up side). (Use a blank tape.) (pg. 2-3-3) 1-A

Check to see that the tape is not creasing and that there is no slack on the supply and take-up side Guide Rollers. (Use a blank tape.) 1-A Adjust the X Value for maximum envelope. (pg. 2-3-3) (Use Alignment Tape.) 1-B

Adjust the envelope. (pg. 2-3-4)
Check the envelope.

1-C

Not good
1-C

Do the final tape-traveling test to see that the tape runs normally in play mode without creasing or slacking. 1-A
OK

OK Adjust the Audio Section.

(Azimuth Alignment) (pg. 2-3-4)
Check the audio output.

1-D

Completion
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1-D

OK

Check the following: 1. X Value (pg. 2-3-3) 2. Envelope (pg. 2-3-4)
OK

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Adjust the X value and envelope. 1-B, 1-C
1-B, 1-C

2-3-2

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