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 (FL6N8)
Guide Roller Adj. Screwdriver
X-Value Adj. Screwdriver
Note: Before starting this Mechanical Alignment, do all
Electrical Adjustment procedures.
1. Tape Interchangeability Alignment
Adjust the X Value for maximum envelope.
(pg. 2-3-3) (Use Alignment Tape.)
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.)
Adjust the height of the Guide Rollers
(Supply side and take-up side).
(Use a blank tape.) (pg. 2-3-3)
Loading (Use a blank tape.)
Adjust the envelope. (pg. 2-3-4)
Check the envelope.
Adjust the Audio Section.
(Azimuth Alignment) (pg. 2-3-4)
Check the audio output.
Check the following:
1. X Value (pg. 2-3-3)
2. Envelope (pg. 2-3-4)
Adjust the X value and envelope.
Not good
Do the final tape-traveling test to see that
the tape runs normally in play mode with-
out creasing or slacking.
Completion
Not good
OK
OK
OK
Not good
Not good
OK
Flowchart of Alignment for tape traveling
1-A
1-A
1-B
1-C
1-C
1-D
1-D
1-B, 1-C
1-B, 1-C
1-A
2-3-2
H8740MA
Summary of Contents for 23C-250
Page 22: ...1 8 3 1 8 4 1 8 5 H8624SCM1 Main 1 4 Schematic Diagram...
Page 23: ...1 8 6 1 8 7 1 8 8 H8624SCM2 Main 2 4 Schematic Diagram...
Page 24: ...1 8 9 1 8 10 1 8 11 H8624SCM3 Main 3 4 Schematic Diagram...
Page 25: ...1 8 12 1 8 13 1 8 14 H8624SCM4 Main 4 4 Schematic Diagram Function Schematic Diagram H8743SCF...
Page 26: ...1 8 15 1 8 16 Jack Schematic Diagram H8622SCJ...
Page 27: ...1 8 17 1 8 18 SECAM Schematic Diagram H8624SCS...
Page 30: ...1 8 26 1 8 25 BH8700F01031 Function CBA Top View Function CBA Bottom View...
Page 31: ...1 8 28 1 8 27 BH8700F01021 Jack CBA Top View Jack CBA Bottom View...
Page 32: ...1 8 30 1 8 29 SECAM CBA Top View SECAM CBA Bottom View BH8700F01011 C...
Page 58: ...EXPLODED VIEWS Front Panel A1X 3 1 1 H8743FEX...
Page 60: ...Packing Some Ref Numbers are not in sequence S2 S2 X4 S1 X1 X2 X20 X3 Unit S3 3 1 3 H8740PEX...
Page 78: ...23C 250 23C 250A H8743FP Printed in Japan 2001 04 20 HO...
