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Ampex 350 - Playback Circuit Alignment; Playback Head Alignment

Ampex 350
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A0x0yhm 4 %rt 4 A
The ljíe upu us lwys be emjnated in 0 ohm
hn esin0. o igning. jhe L3ut h LY' T- bI3A? jtc31
(0) in e - n, osiion or terrninae he 3 OOT exnally wi1
60O ohm esiso
I is noD nec essy to Ji5m0unt the leconic s semby om
he console or cse o mst ljgnent ocedus, The pocedues
ha equie ench d,justmens ae specilly noed s &hey ae,
AUI0: Thee are few di'int die;ence5 bD'etween dju5ing
3 3/ - 1/Z inch mchine nd 7 l- 1 inch -mahine, \ead
he pocedus caef.u3y hee hese di.ences indied,
P vacuu tube voltmeter is no sictly necesary in ro5
o he , cedure oulined, s the intenal VU me'i-er servs de
quely. nly i-n cases whee levels fll in he less sensitive ane5
o he V eter is a VVli/; clled fo 'orresondi_ edings o
VU xmeLe &nd VTVJ e 6iven whereve Nplicable,
laybch icui_ Alignen
3ac1 ircuit ligent cisLs o J1ne ollowing;
A. lyback 3ead Alianmen (~eps l, Z,,3,, 5)
, i laybch Level ~eing (Sxtep 3
, lybac Res one hec (Ste. 7)
,,,,,.. D, ?lybch quli2tion (-e 8)
, layback Head Alinnent
3 Throw the Lin Teminion ich (- -0d) 0Y. hov
ehe Tap Ceed wich () and he -! quali2ajon
Sw3ch (O2) eo HI. Tun he l3eer a_d Gtue
wich (O5) o ^T AB4V! . Ce the _Plym
bach eve onro (30^) ^L id-scale.
2 - C0nnect VTV to L3 0T (JO-. 3, staping
Rins 1 and 2 og0eher Connec high ied. anc..e hones
t_0 hone Jach (30^3 , '
35 - 6/ /53

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