Electrical Adjustments; Playback Adjustments; Recording Adjustment - Yamaha K-1020 Service Manual

Stereo cassette deck
Hide thumbs Also See for K-1020:
Table of Contents

Advertisement

K-ro2()
' Use spacer to adjust the h8sd heighl
Fi g. H
Fig . I
Capslsn Moto.
Fi g . J
I ELECTRI CAL ADJUSTMENTS
O PL AY B ACK ADJ UST ME NTS
*
Make sure to use a new tape of I EC standards for a test
taDe.
A lig n men t t ap e
No rma l
TD K
AC 223 or YAM AHA NR 6 0
CrO 2
TD K
AC 512 or YAM AHA CR 6 0
M ETA L
T DK
A Cl12 or YA MAHA MR 60
o Proceed with the playback adjustments after having finished the mechanical adjustments.
]
(d bx ci rc u i t
I
I {dbx circui t
i
I
1
board) 1-____1
I
board)
I
. R EC O RD IN G A D J US T M E N T
.
Proceed with the recording adiustments after having finished the playback adjustments.
{
t
u
He8d
Hei0hr
Orivcr
/ /
(]-\
\
\\
\\ \
F;f *r;,-.";;-l-;""-
-j-,*l1;l*-[
Tffr# JW";;
11
E.o^-"
r
J;';iat-r- I D.cr/M frtor l *roir'il-
o.rfoc
--
i
iDc.of fs et
l rP 2{ B) -E
i
I
I v R 10 2 ( R ) i
i-t-lFr"yb".ki'^ r
-
i{tztzc
l Lrrveou-f-eivnr---trl
uRlon-L)
-i
36otls--v
--
I
I
|
1 st sa ,
\
i ( A cvor t / da I
I v R 1o 4 ( R ) I
t - g . o + t d B v )
i
I
I \toonwo/m/ I
I
rvteter) I
l
F_ +
_+
_
__
f_ _t
_
I
I s i etayuacr
rrequency
Mrr.3s6u I r-rr.re oui I
; 6nt
i t-f---T;"*;,"*;'"
J
i r".oonre conf irmation
I {3t80 + 70ps1
i
1
1
lshoutd
be wrthin specif i-
r e s pons e c onT trm a tto n
( J t UU + / Up s,
1
i
lsh o uld b e w t th in s pe c iti-
I
],.I,.r';',,tuo|,, I
I
i
]
lcationinFie'K
a
ld b x
r c
1
Tp l - r p2
D .C.V .M.
1 Srop
1
vR T Ot
i
15 t 2mV D.C .
I
I (d bx ci r cu i t
]
{dbx circuit
t-Aai-'tf"ntT
,
"
-"t^Tt
T..rj:l:jt- ,.
. '
M"".u,"-"nt
Jnai"tln"',tl *;-
*.*,--
["n".n=."";r
lL^;F;;*
faoa*". Appry a rkHz sine *;-]u"*.tLr-r l*aaE r"n-*,-i
-'-l
M et er
OUT
si gn al f r om LI N E l N so
iVR 5 O4 {R ) I (re d } sho u ld
I
r
1( +4 .5 dBl
I
rL iN E l-A u ;i t
t hat LI N E O UT vol t ase rs I
lt isf 't .
I
r
ltno
uott j
li-,i" ]fll$,"."",
$'J*,i,'-iyJrlirtase
is I
lrisht
i
fF;k L"*f
oscillator
f,ppty
"
r ri. rinu *u*
fvnsor tr-r
I ooe ,"g-"n, -iwrt"n nllnsrEn -----l
M et er
si gna l f r om LI N E l N so
1 VR 5 02 (R ) i(re d l sh ou ld
FAD E R isd ecrea s ed L l
l ( O d B)
1
t hat L I N E O U T vol ta g e
i
tli St rt .
an d R se g men t s
i
'i s
36 0m V (- gdB V ) .
L
ar ou nd O dB sh o uld
I
1
f ad e o u t a lmo st s imu l-
*
U se 36 0 mV ( - 9 dB V ) f o r 0 d B a s t h e s t a n d ar d l e v e l o f
t hi s u ni t .
. \')A
9
8ek
Teosion (5 iteps)
at Playback mode
@
@
@
l ( O d B)
1
t hat LI N E O UT vo lt a ge
I
llig h t.
a nd R seg me nts
i s 360 m V { -gd B V} .
]
a ro un d Od B sh ou ld
'
,
I
L
f a de ou t almo s t s imu r- i
_l
_
t a ne o ust y.
I

Advertisement

Table of Contents
loading

Table of Contents