Pioneer TX-530L Service Manual page 16

Long Wave Section
o Set the AM BAND switch to the LW position.
Stator
Rotor blade
S p a t u l a
( G G K - 0 6 6 )
Stator
Rotor blade
ffi
4Un
X
ffi
ruN
X
Fig. 12-1 Adjustment of tuning capacitor
Step
AM SG
(400H2, 30% modulationl
Position of
dial pointer
Adjustment
point
Adiustment procodure
Frequency
Lwel
1
3 4 O k H z 1 0 0 d 8
3 4 O k H z
TC6
A d j u s t u n t i l d e m o d u l a t e d s i g n a l a t O U T P U T t e r m i n a l i s
m a x i m u m .
2
1 6 O k H z
1 0 0 d 8
1 6 0 k H z T5
3
Set the AM SG to 30dB output level, repeatsteps 'l to2 above.
4
340kHz 50dB
340kHz TC7
A d j u s t u n t i l d e m o d u l a t e d s i g n a l a t O U T P U T t e r m i n a l i s
m a x i m u m .
5 1 6 0 k H z
50dB
1 6 0 k H z T6
6
R e p e a t s t e p s 4 t o 5 u n t i l m a x i m u m s e n s i t i v i t y i s a t t a i n e d .
C
v R 1 €
no. 1O----q
*'r t
+ l
nr
tr€
n o . 2 - {
q - n o .
1
fl*-"'' u
flt
HJ
#".1EX
@ f,"u
ig
rc7
'1 6
Fig. 12-2 Adjustment points