Technics RS-DC10 - 4. ANALOG OUTPUT LEVEL ADJUSTMENT; 5. CONFIRMATION OF ANALOG OUTPUT DISTORTION ADJUSTMENT

Rs.oclo
I
4. ANALOG OUTPUT LEVEL ADJUSTMENT
(READ'WRITE
P.C,B,)
ANALOG
OUTPUT
TFr'EL AOJ
Rl01
(tch)
iRlo2(Rch))
ANALOG OUTPUT
DISTORTION
AOJ
RlOg(Lch)
{Rt
l0(Rch)}
Fig.22
.
Adrustmont
Stops
(1)
Play tomard
the 315 Hz, 0dB t68t tono on th6 ACC
T6st
tape
(AZZCFMI.
(2)
Maximlzs
output
level wlth
poientiomet€rs
Rl01
(Lch)
and Rl02
(Hch)
(3)
Roduce outpul lovol by
-lodB
(optlmum
output level) from lhe maximum level
again with R10t and
Rl02
READAflRlTE
P.C.E.
,I
Test
S€tup
Tools
& Jios Moasurino
l^slrumenls
1.
ACC T..t
l.p.
(OZZCFtr)
2 Scaawdrlvar
(-)
l. Oaclllo.copo
(30MHz
or hlgh.0
2. EvM
(AC
Range)
Fis
23
FrxouT(
NALOG)
5. CONFIRMATION OF
ANALOG
OUTPUT DISTORTION ADJUSTMENT
(READ'WRTTE
P.C.B.)
.Adlustmonl
Slopg
(1)
Play loruard
the 315
Hz,
0dB t€sl
tone
on the ACC T68t lap€
(OZZCFM)
(2)
Chsck
lo make sure lhat
THD is no
great€r
than
1.5%.
(3)
ll THO is
grat€r
ihan
1.5%,
adiusl the RlOg
(Lch)
and RllO
(Rch)
untll
it
ls within
1.5%.
T€EI
SoIUp
Tools
& JlOs
Moasuring lnsirumenls
I
2
ACC T.rl l.p.
(OZZCFU)
Screwdriver
(-)
1 Oscilloscope
(3{rMHz
or
l6!ie4
Olslorlion Faclor Mel6r
2