Harman kardon sc 7

Page 2

F- .v

1

ALIGNMENY PROCEDURES

Do nol allempl ulignmenl unless lire
IoIlowing eqvipmenl i; available.

RF AND IF ALIGNMENT

EQUIPMENI DESCRIPTION

l. FM Signal Generalar
z. Oscilloscope

3. AC VI'VM

4. Audio Genemmr

5. MVIHpIex Stereo Generoior
6. AM Signal Generulor

Fundion SeIeCIor In FM SYEREO

CONNECT
GENERATOR DIAL OUTPUT ADJUST
STEP SIGNAL ADJUST NOTES
GENERMOR FREQUENCY SETTING INDICATOR ion
1 Canned Generalor 90 MC 90 Mc Stope al TIOI-AnIenn: Maximum DC Adiusl lnpul Level
Through a 400 cps MOD Tape ompul Coil OquuI oi oi Generalar ior
Dummy Anienna 75 KC Jack LIOI-an RF Coil Colledor of approx. 4VDC al
non Resislar Devialien 2D.C.v,T.V,M. TIOZIsf IF 0401 lhe coIlednr of
On The Hal Side @Calleelar ai Primary 5. Sec. mm. Aaiusl
& a 15m Res. owl la lam-2nd lr Generanr Freq.
0n ine Gmund Ground. 1302-3«1 IF for a max. DC al
Side) To The Primary a. Sec. lhis painl.
Anlenna : ' Readiusl Gen.
Iermimzls. OquuI for 4 Volls.
2 Same as Above 106 MC 106 MC Same as CIOZ-Amenna Mainlain low
400 CPS MOD Above Trimmer enough lnpul or
75 KC CIIO-RF Trimmer lhe Gen. so lhal
Devielion approx. 4v is al
calleclor al mm.
3 Same as Above 106 MC 106 Mc Same as CHé-OSC. Generalor Freq. A: lhis poinl, lhe
400 CPs MOD Above Trimmer and Dial SeIIing Gen. Freq. & one
75 Kc la be lhe some. Dial Selling should
Devialian Adwi' 0N Aaivsl Cllo @ be lhe same. ll u
COHbmm 106 MC and diIIerenCe is nalea
90 MC 90 Mc Error is Noied oz @ 90 MC udiust CH6 @
400 CPs MOD 0 c .' lor CorreCI Dial 106 MC and
75 KC 02 SC' °' Calibralian lloz @ 90 MC
Devialion M," Di,
Calibralian 8.
Gen, Freq. agree.
4 Same as Above No signal Tune la Tunnina IGOSARafio Wilh Secondary AHer Primary
InpuI Noise OI Me'er on Delecoor (Top Slug) (Boflom Slug) is
Eilher From Panel removed, udiusI adlurlea iar max.
Exlreme al Primary Slug lav MeIer DeIIecIion,
lire sand. Maximum Tuning replace Primary
Meler Delleelion Slug and adiusl lar
Zero Cenler on
Tuning Meier.
MULTIPLEX ALIGNMENI' PROCEDURE Fundion Selector ln FM SIEREO
CONNECI
GENERATOR DIAL OUTPUT ADJUST
SIEP SIGNAL ADJUST NOTES
GENERATOR FREQUENCY SETTING INDICATOR FOR
Audio _ AC vTVM 67 KC Coil Minimum FM
Generalar al iuncIion L401 slereomalie
r Juncfion pl 67 KC al C405, Mode
R403, C40l, - R406, (406
2 and um Audio and 0,, 72 KC Coil Minimum same as Above
Generaler L403
72 KC
3 AnIennu loo MC Modvloled 100 MC VTVM al SIereommiC Bias lov DC FM
Terminals I00% by sverea ralleelar of Adjusl R402 Slereomuli:
lhraugh dummy MPx Generalov owl Mode
Resislar
4 Same as Above Same as Aaave Same as Swpe al Top and ballom Maximum slerea lndiealar
Above as KC of l9 KC Coil, Amplilude on should be lil
Transformer um and mos Scope aller Ihis
Secondary odiustmeni.
JunCIion of
L405 and
cum
5 Same as Above some as Above Same as Scope al 38 KC Minimum in Maximom
Above Tape culpul Transformer Unmodulalea separaiian shaula
Jack, Minimum 1405 Channel now be achieved
Channel belween Channels.