Gates CRITERION Series - Maintenance; 5.1 Head Maintenance Procedures

MAINTENANCE
~ECTION 5
.5.1 RECORDING AMPLU'IER
Under norma.! operat1ni conditiona the Recording Amp11fier requires no
routine maintenance •
.5.2 PLAYBACK UNIT
The A TC Crt tenon Playback Un! t is factory adjwsted to provide p.ak
performance and under normal operating conditions should reqtt1re no
routine electrical maintenance.
5.2.1 HEAnS: As wi th any quali t,. tape equipment frequent cheek IS of head
alignment. condition and cleanliness are imperative for maximUM performance
and trouble-!ree operation, Proper bead care is espeeially ilIportant on
the production equipnent.
Dirt,.. misaligned or worn heads are frequenU,.. at fault when probl ... are
encountered 1n tn. areu of lov progr .. output, poor frequency respon.e
and false or udSBing cues, Cueing problems are easily detectable,
therefore, Berv. as good indicators for the need of head maintenance.
(CAUTION: In the _jori ty of oall8S cueing problema are only cOlllpOmded
by readj'u.9tment of either Cue Record Level or Cue Sensitivity to .ettini_
other than those ouUined in S~tion 4).
To facilitate .asy head alignment cheeks standard tapes should be recorded
immediately upon receipt of tne equ1~ent.
Tapes should be recorded. as folloVII;
a.
b.
c.
d.
Record one eartr1dge with l2KC at a Record Lenl of .. 10 VUe
Playback the cartridge and note the output level.
Record one cartridge whUe manually operating 160) in the
Record Amplifier (no program input on this tape). This
action records a continuou lIC tone on the Cue Track.
Reverse the Cue PlAy and Frogru Play head leads. Play
back the tape and note the output level.
'WhUe manually depre .. ing the Secondary Cue (1.50 eycles)
button on the Record A.pl1!1er (do not manully operat.
(603) repeat step b tor one cartridge.
WhUe unually depressin« the Auxiliary Cue (BIC) button
on the Record AIKpl1t1er (do not untJ&l.ly operate 1603) .
repeat step b for one cartridge.
5-1