Akai AA-R22/L

VI. ADJUSTMENTS
1. CLOCK FREQUENCY ADJUSTMENT (Refer to Fig. 2-8)
t:::::: I ~::::::::1 ~::::::~:1 e:::::~:,
I ::::::i~~;::::j
<:::> ~1 TP2
Cl6 Cl5
1) Connect a Frequency Counter to TPI (TP2).
2) Confirm that Frequency Counter reading is
400 kHz ~ 430 kHz.
3) Adjust Tl (Frequency of TPl) or T2 (Frequency
of TP2), if adjustment is necessary.
2. TUNER ADJUSTMENT
T2 · · C!NTER VOLT
T3·· FM0ISTOATJON •TP5
@]·@] 1:::::::::~ ~~1231N
•TP4
11'4~ · · · ·CENTER VOLT CHECK
(@) 0
VRI ~
STEREO
SEPARATION i§)
r:i
AM
LOCAL
L1~2,3··· FMSENSU .. OW)
VCl,2,l FM SEtfStHIGHi
I
[
~
~J
(WHi)
L2
@
@
VC2
l
@
®j
u
(ORG>
@
~® VC4
Tr (HIGH}
FM SENS L4[ LOW) J
( IF COIL) tPNKJ
LFM osc
(TUNING VOLTI
~
PLL FREQ
Fig. 2·8 Control PCB
Fig. 2-9 Tuner .PCB
-----------SERVICE MANUAL AA·R22/L-----------
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