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panel which selects & & a n STEREO, BRIDGE;NIONO,
5 Specifications md PmaLEL-MONO mdes of o ~ m t i o n ,
1nglt;aE: A ~ W Q - ~ S switchBl w a b d insi& the amplifier
~ E ~
5*4fl aed0aj~lm8n~@ b t w e n two input sensitivities. (A vojl~ge ra of 26
g a
&
Nate: 8 ohm baa were us& u n l w s ~ i f i o&@mise.
d m a ~ n g i ~of' ,775 V for fall r&&dOU$U~.)
~ t y
Level / Dynamic Rarage Meter: A t\lr~-pmilim %witch
Ia8kd M i n d &e front pmel sets the display metw or% the
&antpmd as eithw a dB lwei me&r or:a Dynmic Rmge
power metert

5,4 Ondlcatars
E~able: sm b r hdicabr i s QB while the mplifier i s an
mi
go $haw && &@ o w - v o l a g e wwer supply i~ apradng.
it

ODEP: Two a m k r nau16hnc~anindieator8 which show
dIy tkgy &re
is avklable,
5 2 Power
. p m p ~ o n ODEP fhierrtg. They rerngirr off if a @ipp&
M
Power Ba~dwidth:
b ~ d ebiawn fuse OF & ~ mSB~UI~OWB
~ , d WcWs, (In the
1 m to 25 k -1,OdB,
0 & cme dlif a & e m J shuaown, t h mpjifier will retm LCI
Xc
nomd f.pmgan after ~ w f i ~down t a s&e uprating
lg o
te~wrat~.)
IQC: Two yelbw icudicatarswhich we o~mdelly In the
off*
u~Ue4ry event Be ouQblr wavefom diffemfrom &a$of the
input by O,O5% or m o ~& will flash, In &iswayf they act
y,
: n
as selrxai~vedistoaion indicators $0 provide p r ~ o fof
P ce, Nste: X i s nscmal f@r Channel 2 IOC
t the
indimtor to remtaixr in PARALLEL-MONO m&e,
Slpaf: Two m Signd pregnce indicators flmh in sync
ml
wi& input signal to show its presene*
Dynamic Range B Level Meter: TWO gmrr five-gegmexat
LO%& Impedance: Rat& far 16,8,4, i.md2 ohm n s g e only, me@= (one wit. chmreel) disphy giber the wtpnt dpalmie
Safe wi& dl t w s 6aP Iods, even s e ~ g v e
aDes. rage in B or &e oas$ut I ~ v d m. {YOU unit comes
h
f g m ~ s$0&splay
t As dyrmmig: m g c
m$e:w &e;;v abaw &e to average power of
e;ascih,chx*lel,
Asmtput level me&m &eyshow how high sSre
su@ue I G V ~ I ~ to Pull pwer*
rn rei&ve

5.5 input/Output
It isexmmdy ianpmtt. t haveadqmreAC pwcravWble
o Imput C ~ o ~ e X o rBdmcd phone jacks c;nr chassis and
:
so the mplifier, Power mp1Efi"re e not cKate energy-
m coxrxr~t~r.
intern&PP.I.P. (Balimc& 3-piaa X R connmtors
&eymust have &e waked voltage and carrent bo deliver provia& m ?I"-1.P.-rnwhich i~ a s&;mdzdfmture.)
the ~ndfsmmd M w a m g e ~ e x w t .
m YOU

Thg amp is pravided with the canat. line cord for the rat&
Input BlmwQance: Nominally 20 K ohms, baxancd,
Nomindly 10 K ohms, unbdmcd,
liuae vslage,
f nput Seasitlvity: Swi&habieh i w e e n .775 V (unbalanced)
5 3 Canfrola
. farxa~d oupat am aolmge g&n.of 26 dB. QSec gciion 4.5,
Ewble: A pushbutan lwatd on the fmnt pmel to tm the Input SeolsislZvity Adjusmen~)
ampKfi"rern a n off*
o pd Color-l-&e:d d u d IpiasGngposts @anma
Ql,atpatCe~glmtw:
LeveX: A sign& 1eveI cangof. with 33. desenfs for mch jzhj*
channel, lwa&don the Etarat pmel.,
% [ g I m @ ~29 igl, s :
f ~ ~ ~m-6 E X U O@H SMXk, 10-
U~~ RS-3
5,6 Protection B), 4 in, hit;~igk& fa, d q & Xnittpd rncaunaag sdaw, 2,75
16
T ume%mabh 9aprs$~ng
f cofi&gons wcw t a prom~oa inr. ira front of maugeng W W ~ .
ke
c $ c u i I h 4 ~e slPiv% bvd fir,protwt ttae aurq;lut
~ ~
slages, p a i ~ d m l y che casc d elevared Gmpmw@. Welgtitz 56.5 X a Genkr ofgaviy i s ~ppmxima&]Iy in,
in b 6
csvelrplrn~ng msdt i~a a m p - &u@awn M i n d &gat momgag S ~ S C $ : ,
wiU
c W e k n e l . Cor?&all&
t &e wit ag&wt W

lhit ~ m e n t
Rer/, @ Macro R ~ f e r ~ nSewlce Manual
ce




6 Schematic Diagrams



J 0410-1 Display Circuit Schematic
J 041 7 -9 Power SupplylControl Circuitry Schematic
J 0412-7 Maio Circuit Schematie




CONNECTOR CHART




Wt'pty Mad& P.I.P. lapnmmct Board
J3 U




Schematic Dhgrams 6'- 1
/ Shipment
1. Shipmeatwill be mad; by W$or best method unless you
Parts a
s p ~ i &p p n f e d me&knod,
2, Shipmen@we m&e F,8,B, EllkWt, Indiana anly,
3,EsabZisEaM Crown accounts wilt be frzight p r e p ~ d
and
General gnformatiion bill& unless shippa by uuck a ak freight,
r
Sectio~s and 8 e a n ~ illplsm~sns pw%s for the
7 o and lis& 4, All others will bc ship@ &eight e o l l ~ t ,
lac/laercsReference power mplificl*.This i n f a m a ~ ~ n
shoufd
Terms
1 Nomd &msaxe C,O,D+unless the order iis pepdd,
.
Most of the mechanical and sguctwal t y p p m are 2, 30 &ys ems apply ~ d toy& o x E m s who have im
Net
illustrated and indexed on exploded view drawirmg%, es@bEsh& gne of ~r&it Crown.
wi&
Elleeaicd atand e l ~ m n ipar&on 1 J r e i2lu$@ations e alltssa
c 8 add rn mount for the freight charge,
idenefied by the c k c ~r~fcfence
t dmigna~on next aff, the $2,W 3 aumge for m order under 0 ~ man&
s e
iltlus@ation,Both the index n u m k r and h e 31*efaence NO=: Pm f i g s we S U . ~ ~ % E change without rara&&re.
to
designation XG irrclendd in the p ~ list in xpxh%colmns.
a 4, New p m retmed far c r d i t iwe s u b j ~ to a 10%
t
The reference dexipafions ~ome-nd to &ose show in ipe6mking c k g e ,
5, You mmt receive auho~agorp gram the Pxts Dept,
bfore ng p a fm erdit,
Elecheal and efeeuanis: pms lacate=$an p~xatd circuit 6, We xc as a gene& p m wzelnou~! m a e av&%able
xt P
b a z d are illrasuated by shematic sy111bIsan the &a~e
~ side for s ~ c i n Crown mdue& only,
g
arrd by eomponcnt shape symbois s the carmtpnent side,
n
Refcrcnch:designatjans also apper on these diagrsms. Bllrastrated Parges Lists
Can~stad wihin &is gection rnthe ill ~ts:tafed m ~ ~f ~ r
p
The q u a n ~ t y meh.pa%used in each l~ailiura also shown
of is the W r o Refcfence mplifier. Most af the mwhmial and
in the pafls IisGng. smcf&ml a we i % % ~ $ m t d indexed in h e main
p and
chaais ilfus&agon.n e elccuicd a d elecuonic pals in fhe
Standard and Special Parts asscmbty &%wings also shswra in the ~ i ~ ~ i t
me ~chernatic~
Marray elecrsical and el~uoilaic parts u s 4 in the Maem piwres 8-1md8.2)and a@hbeld in the p m ~ wi& bo&
list
Referenceme ~mndwd items stocked by mdavailablefrom the ~ ~ h e r compnent n u m k r and i%e Crow@Pwt
n8~~
some e
c&ec@~nic hsmes, NOW@V~X, l ~ b o np ~m
supply i ~ Numbs $CPw,
that a p w x to be s m h d , are a~eudtyspciall. A pm
ordcre&from Crown will asswe an accept;lblif:f8;;p&a~erncnt~EXec~c elwrl~onior:
and pafts which arc Icacakd on phnted
Suuctural items, covers and paads are available from ckcuit hwd5 a e I U U S C X : ~by ~chet~gsafic
E~ an
S~MMIS the
Crown only, r n side of &e
~ s a ~ by meir compnent. shape
d
symbX on the campnent side of the: b o ~ d s Schematic
,
commnent numbrs also a p p a ora &e:g: &a'i$rings?
Ordering Parts
When ordering p m , be sure to give the amplifier model mk;: m n ~ t af mch p used in a c h lwation is a3180 shown
q y m
and s e ~ a l number md include the p a t dmcrip~on ~ d in the pm9 ili st.
8
Crown P a t Nmber ((CPN) from h e p & list. Wee quota
a
are available upon fwrrest.
7 EXPLODED V EW DRAW




TheErploded Views section d&is senrice manual i s the
compilation o f drawings of chassis parts and
components found within the Macro Reference
amplifier. For schematic drawings see section 6 and for
circuit board layouts dong with parts Iists see section 8.
S ASSEMBLY
CiTl Mgem Rof@reoe@ ~ w Mmual
S b Rgv* $3




S ASSEMBLY BOTTOM
Rev, @ Sewr'a
Maem R @ ~ @ P @ I I ~ @ Maau&l




TOR ASSEMBLY




Exploded Views 7-6
FRONT PANEL ASSEMBLY




MR h f a Mmde
N d 1 e Mowaxing Brr?kcket
8-32 ;S;g 2 5 F&sB Ph
Front Pmei lmer
MR b v e l CSSP@O~ b b




Comics whh Level Contml
Comes with h l C w ~ m l

Display Bead Bracket
Display Bead hsulabr
(5K a h
k v e i COP"~W$B% )



440 x ,62 Screw
6-32 x .A37 S ~ G W




440 x .375 Screw
6-32 rr, ,625 S ~ r e w

8-32 x .5 Sm~t:w
6-32 x .43? Screw

6-32 x ..437 Saew




-
,




Expioded Views 7-8
VER TRANS STOR ASSEMBLY
DESCRIPTION


NPN Driver Asr;embiy
&i~a Ad&p~a;rPlate
2SC4029 NPN



PNP Drfver A ~ r n b I y
&ivm Adapter Plate
.R CAGE ASSEMBLY
BACK PANEL ASSEMBLY
Macro Rof@r@n~@ Mmua!
Sew&@ RBV.
0
8 MODULE ARTWORK




The Modules section af this sewice
manual i s the compilation of atwork and
circuit board layouts for the module
found within the Model amplifier. Far
schematic d i a ~ msee section 6 and far
s
chassis parts drawings along with parts
lists see section 7,

Note: A blank space in the right colwnn of
the following parts lisf means the
component is the same as on the module
ede"afelyfo PZ left!
de