Fostex G24S Service Manual page 31

3) Open the Controller Panel up, and take the " Panel Extension " out by unscrewing two
screws.
4) Rotate the TRACK 1 R205 (SYNC CROSSTALK CANCELLER POT) on the R/P A P
PCB Assy to a point slightly CCW from the center position.
5) Turn the RECORD TRACK SAFE/READY SELECTOR of TRACK 1 to " SAFE " posi ­
tion.
6) Rotate the TRACK 2 R205 (SYNC CROSSTALK CANCELLER POT) to a point alightly
CW from the full CCW position.
7) Plug in an audio oscillator output to the recorder rear panel INPUT jack 2 and apply
a IKHz, -lOdBV (0.3V) signal.
8) Plug in a level meter to the recorder rear panel OUTPUT jack 1, and put TRACK 2
' in the REC mode.
9) Rotate the TRACK 2 R205 (SYNC CROSSTALK CANCELLER POT) CW slowly and
fix it at a point 3 ~ 5 dB above minimum point to obtain minimum sync crosstalk in
the high frequency region.
10) easure the OUTPUT level of TRACK 1 while sweeping the test signal frequency 20 —
20KHz. It is considered as a normal condition if the leaking level is less than -35dBV
(18mVr.m.s.) at IKHz and less than -4dBV (625mV r.m.s.) at worst peak point in high
frequency region.
11) The remaining tracks 2 ~ 24/2 ~ 16 are adjusted in the same way.
4.3.14 Table of Adjustment Items and the Location/Typical Adjustment position of Pots
on the R/P Amp.