JVC FS-SD7R Service Manual

FS-SD5R/FS-SD7R/FS-SD9R
Flow of functional operation until TOC read
Check Point
; i
Play Key —_ ag Wee REST Confirm that the voltage at the pin4
- of CN605 is "H"\"L'\"H".
Automatic tuning
of TE offset
Check that the voltage at the
|_______>-
pin40 of IC603 is + SV?
Detection of disc
Automatic tuning of
Focus offset
- Confirm that the Focus error
Automatic measurement of ‘ ;
Focus S-curve amplitude S-cuve signal at the pin28 of
IC603 is approx.2Vp-p
Confirm that the signal from
pin24 IC603 is OV as a
accelerated pulse during
™@ Tracking error waveform at TOC reading approx 400ms
pin
25
of
SS
Focus
servo
ON
IC601
(TE)
(Tracking
servo
ON)
uuu
Automatic
measurement
of
Confirm
the
waveform
of
Tracking
error
amplitude
the
Tracking
error
signal.
i
at
the
pin
25
of
IC601
(R6009)
Tracking
Tracking
Disc
to
be
:
(See
fig
1
)
servo
braked
i
A
=
Dieeslates
Neus
an
aa
a
I
ae
Automatic
tuning
of
porate
pene
finishes
Tracking
error
balance
fe)
amplitude
an
automate
tuning
or
Spomuicly
Fig.1
Automatic
tuning
of
Focus
error
balance
Automatic
tuning
of
Focus
error
gain
Automatic
tuning
of
Tracking
error
gain
: Confirm the eys-pattern
dO reading at the lead of TP602
Play a disc
2-10
eC PE EIR, WEL DR PY a ee eee CE ENE

JVC FS-SD7R Specifications

General

Brand	JVC
Model	FS-SD7R
Category	Stereo System
Language	English