Text preview for : Alaron_UA-700_schematic.pdf part of ALARON Alaron UA-700 schematic . Rare and Ancient Equipment ALARON UA-700 Alaron_UA-700_schematic.pdf
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_erneul-_DA(
plck-up C l-l5n
pick up button
Socket pins 2 ore
connectcd to corth
z
P.U.
oux.In pre-ompout
.
R 5 c2
RI 68K 9 l Op
470 K
AUX.
UJ
tunef
3.9 n
F Z
loo K
Rto
mic high levcl oux. 470 K
R9
t8K
Rt7 R 1 8 dzl
Ril 470K 39K 22t\
t.2K
Tr..
c6-too ct3
5n Rt9
47R
c8 F(ZI
640 ct4 56(
R t 5 lOOn
,r, 8.2 K
/
t.2v c9 clo cil
,+- Rt3
roK 22O n 68Op 6 8 Op
c33 t to 47K
TREBLE
slef eo R59 500 K LtN.
g 3'3K
M ONO
L.H Ch.
mono
BALANCE
so K s/LAw
r BC t59 C BCt59 BC t41
\-Prc onp.---J \,onu
C IRCUIT DIAGRAMOF
pick up button Right hondchonncl onlyshown.
D r c w n w i t h < r m p liie r s w i t c h c d t o
f
aurE p i c k u p ; m q g n e t i c h e o d .s t e r e o
,
operotion
, , h e o d p h o n e so u t o n d
moins off .
Voltoges tollen under no signoi
conditron with 20 Kn/y meler
Copocitors in micro Forods ) unlcss
Resistors ohms
in
f :l::::'"
F o r r e s i s t o r s h o w nh u s : l r W - 4
t +rov
T
l< 5z
IK
o-{----l-+ s1
HIP. BZX 6I
SWITC.l R39 w,z \)
R35
t
3.9 K
F
470
R3l
680
H )
' C 17 JrC 18
BASS R t 8 R24T47On t60
) K lv,t. LtN. 39K
w tz L l 5
5n 5n Rt9 R34
47K t80K
ct4
IOO n
wzv
cro cil [3t* frroe 75P
)n 680p 6 8 Op
I F{L TJLL utf LOUDNESS
R59 soor r-1ru tooK LoG.
g 3K
-to v
L,H Ch
BCt49 BCt48 BC t59 BC t41
\,onu g 6 n 1 7 sJ1 \-qrnpl;1;g1
Heat Fuse RECTIFIER
Sw.3 LT I5O
Ind lomp
Neutrol.
30V tms
S w I
Fu sc
L i nc <-/,
l5OmA TI
+rov Eo rth
R40
I 330
+ t 9 . 5V
D at O.65V
Sw.2
c30
C 2 3- 2 2 p 3000
c26
400
c3l
lOOn
"4 HIP
)K Switch
R 37-470
c32
3000
Tr.6 ltBO
l8'5.V
R 43
33O h-
* ( V A( R & L ) = V A 0 6 6 s
1
( ac aa (Yo rsz
t l
t59 BC t49 \BCts8 \BD t3l
onpliliet-----J driver power output