Download Sharp-Optonica - RX-1 - PCM Digital Audio Adaptor (user`s manual).

OPTONICA
RX-1
PCM Digital Audio Adaptor
The RX-1 unveils a completely new audio era with a wide range
of features and unique, innovative ideas.
A Dream Unit for Adventurous
Audiophiles
S h a r p ' s a d v a n c e d d i g i t a l t e c h n o l o g y is b a c k e d u p b y i n n o v a t i v e
videotape.
T h i s e l i m i n a t e s noise w h i c h c o u l d v e r y o f t e n be
m i x e d w i t h t h e m u s i c signals a t t h e t i m e o f r e c o r d i n g .
Adaptable to Any Type of Video Cassette Recorder
T h i s has been c o m b i n e d w i t h its
Having adopted O p t i m u m C o n t r o l f u n c t i o n , the RX-1 permits
sophisticated audio system expertise, well demonstrated in t h e
y o u t o search f o r t h e ideal m a t c h i n g p o i n t , best s u i t e d t o a n y
semiconductor technology.
t y p e o f v i d e o cassette r e c o r d e r , V H S o r B e t a . T h i s means t h a t
O P T O N I C A series.
N o w , O P T O N I C A is a n n o u n c i n g a n e w a u d i o e r a w i t h t h e i n ­
t r o d u c t i o n o f a dream u n i t - PCM digital audio adaptor R X - 1 .
Throughout
its c o n t i n u o u s ,
relentless
efforts
in t h i s
field,
O P T O N I C A has d e v e l o p e d t h e v e r s a t i l e , c o m p a c t P C M a d a p t o r
w h i c h c a n easily be c o n n e c t e d t o a n y h o m e v i d e o .
its impressive
breakthrough
in d r o p - o u t p r o o f i n g
the
ingenious
u n i t promises y o u spectacular
sound
quality
anytime, anywhere.
T h e a d a p t a b i l i t y level is c o n v e n i e n t l y d i s p l a y e d o n L E D i n d i ­
cators f o r y o u r q u i c k , accurate reference.
Featuring
capability,
t h e R X - 1 is t h e ideal s o l u t i o n t o " a n a l o g " a u d i o barriers t h a t
OPTONICA's Unique Drop-Out Proof System with
99.995% Perfection
c r i t i c a l a u d i o p h i l e s have l o n g been c o n f r o n t e d w i t h .
O P T O N I C A , b y f u l l y utilizing a sophisticated m e m o r y func­
T h e P C M (Pulse C o d e M o d u l a t i o n ) s y s t e m sets a u d i o t e c h n o l ­
tion,
ogy o n a c o m p l e t e l y
accurate r e p r o d u c t i o n o f the original s o u n d .
analog audio.
new course, well b e y o n d
conventional
I t is t h e s y s t e m w h i c h c o n v e r t s a n a l o g signals
i n t o d i g i t a l signals f o r s t o r i n g t h e d a t a o n t h e v i d e o t a p e .
sound
into
signals are m i c r o s c o p i c a l l y d i v i d e d a n d t h e n
either
First,
encoded
1 (presence) o r 0 (absence) a n d r e c o r d e d
onto
has d e v e l o p e d
a superb
drop-out
system f o r d u t i f u l ,
Necessary d a t a
f o r d r o p - o u t p r o o f i n g are i n p u t a t t h e t i m e o f r e c o r d i n g .
Then
a t t h e t i m e o f p l a v i n g , c o r r e c t i o n is d o n e t o near p e r f e c t i o n .
T h e r e s u l t is a s t u n n i n g 9 9 . 9 9 5 % c o r r e c t i o n c a p a b i l i t y .
The way to record or reproduce on PCM
Blocks of the PCM unit
Digital output
Clock
generator
I nput
Recording
PCM unit
Video cassette recorder
Digital output
Reproduction
-|
z_
Memories
O *<§
Memories
[*
Error
correction
D/Aconverter
Low pass
filter
Reproduction
Speakers
Compact and Light, Culmination of Modern Design­
ing
Video cassette recorder
PLL
Error
Data check
° 006 O
O 000 O T * 00
Amplifier-
Redundancy
Audio
Audio output
PCM unit
A/Dconverter
Recording
H
Video cassette
recorder
Sample
and hold
Outputs
Microphones
Low pass
filter
TV
generator
Data formats
U n l i k e t h e general c o n c e p t t h a t PCM a d a p t o r s are b u l k y and
h e a v y , O P T O N I C A ' s R X - 1 is as c o m p a c t as a stereo a m p l i f i e r ,
15.5
kg.
Sharp's i n n o v a t i v e
Digital
semiconductor
Signals
t e c h n o l o g y has changed t h e w h o l e c o n c e p t .
Video
signal
Sample
and hold
Recorded
tape
Reproduction
Stunning 90dB Dynamic Range
VCR
D i g i t a l r e c o r d i n g s y s t e m means v e r y l o w d i s t o r t i o n a n d noise,
r e s u l t i n g in a s t u n n i n g 9 0 d B d y n a m i c r a n g e , t h a n k s t o 1 4 - b i t
Recorded
tape
Reproduced
wave
Data
(Error)
[£> o i o o i io] C)
D/A
only
Memories
weighing
Recording
Correction
A u d i o signals
quantizing.
Extra High Fidelity Recording and Playback
Because t h e a u d i o signals are c o n v e r t e d i n t o pulse codes f o r
Playback waveform of 10 kHz
Cassette t a p e d e c k
O p e n reel t a p e d e c k
P C M system
r e c o r d i n g and p l a y b a c k , t h e s o u n d signals are n o t a f f e c t e d b y
r o t a r y mechanisms characteristic t o analog systems. T h e result
is
an
extremely
high
fidelity
in
recording
and
playback,
b e y o n d any possibilities o f the analog system.
Accurate, Easy-to-Read LED Level Meter
Playback waveform of silent portion (50 dB or 300 times
Cassette t a p e d e c k
O p e n reel t a p e d e c k
magnification on the scope)
P C M system
2 8 L E D level m e t e r o n o n e c h a n n e l p e r m i t s precise r e c o r d i n g
levels.
Easy to Connect to Various Kinds of Equipment
In a d d i t i o n t o P I N j a c k s , t h e u n i t i n c l u d e s c a n n o n c o n n e c t o r s
a n d M t y p e c o n n e c t i n g j a c k s , f o r easy c o n n e c t i o n o f t h e R X - 1
w i t h various kinds o f e q u i p m e n t .
Harmonic Distortion
Cassette t a p e d e c k
O p e n reel t a p e d e c k
P C M system
Wow and flutter
Cassette t a p e d e c k
O p e n reel t a p e d e c k
P C M system
Special Control for Precise Adaptability of PCM
Adaptor to Videotape.
Jack for Digital Direct Dubbing.
Other features
*
Mike mixing.
*
*
Headphone jack.
G o l d plated PIN iacks.
RX-1
Specifications
Power Source:
AC220V, 50Hz [ A C 100V, 5 0 / 6 0 H z ] *
Wow & flutter:
Below measurability
Dimensions:
4 3 0 ( W ) x 141 ( H ) x 3 6 0 ( D ) m m
Harmonic distortion:
0 . 0 3 % (1 k H z )
Weight:
1 5 . 5 kg
D y n a m i c range:
90 dB
Recording format:
PCM
Transmission channels:
2 channels
r e c o r d i n g in
PAL
Reproducing frequency
standard
range:
T V signals [ N T S C s t a n d a r d ]
DC - 20 kHz
Others:
Line i n p u t jack
Line o u t p u t jack
Sampling frequency:
Number of
44.100 kHz [44.056 kHz]
Headphone jack
V i d e o i n p u t / o u t p u t jack
quantizing bit:
Data transmission rate:
Error correction
capability:
Crosstalk:
14-bit
'
2.625 Mbps [2.643 Mbps]
External synchronized
99.995%
*
M o r e t h a n 6 0 d B (1 k H z , 1 0 k H z )
Below measurability
Power Switch
©
©
Headphone J ack
Power Indicator
o
Playback Indicator
©
Record Indicator
©
©
©
©
input/out­
p u t jack
Level v a r i a t i o n :
o
D i g i t a l signal i n p u t / o u t p u t j a c k
D u b b i n g jack
Note: Information in [ j parentheses is for NTSC
standard.
The manufacturer reserves the right to vary specifica­
tions, design, or use alternative materials as my be
deemed necessary or desirable at any time, any such
change or variation being of a kind as not to reduce
quality, performance or appearance.
PCM Tape Indicator
LED Level Indicator
©
Line Output Level Control
Anti-Digital Dubbing Indicator
MIC Input Jack
©
Line Input Level Control
Mode (Record/Play) Switch
©
©
Error Correction Signal
©
Indicators
Error Monitor Switch
Optimum Indicators
Headphone (Volume) Control
MIC Input Level Control
O p t i m u m Control
Bezugsquellennachweis
SHARP ELECTRONICS (EUROPE) GmbH.
SonninstraBe 3, 2000 Hamburg 1, F.R. Germany
Tel: (040) 28511 Telex: 2161867 HEEG D
Telegram: SHARPEUROPA HAMBURG
SHARP CORPORATION
OSAKA, JAPAN
CABLE ADDRESS: LABOMET OSAKA
TELEX: 63428 LABOMET A-D
'79 © S H A R P CORP. (8F2E) Printed in Japan
PCM
DIGITAL AUDIO
ADAPTOR
M O D E L
RX-1H
OPTONICA
OPTONICA
PCM DIGITAL AUDIO ADAPTOR
RX-1 H
CONTENTS
Contents
1
Features . . .
. . .
Caution
2
Controls and F u n c t i o n s
3 —4
Playback
.
.5
O p t i m u m Control
.6
Recording
Dubbing
2
6
x
.... . . . . . . . . . . . . . . . . . . . . . .
Connections
7
. 8 -
13
Specifications.
14
Troubleshooting
15
Note:
Audio-visual
material
may
consist
of c o p y r i g h t e d w o r k s w h i c h must not
w i t h o u t the a u t h o r i t y o f t h e o w n e r o f the c o p y r i g h t .
Please refer to r e l e v a n t l a w in y o u r c o u n t r y .
recorded
PCM Digital Audio Adaptor
RX-1KPCM DIGITAL AUDIO ADAPTOR
Congratulations!
adaptor.
OPTONICA
Y o u are n o w t h e o w n e r o f t h e O P T O N I C A R X - l H P C M d i g i t a l audso
T o f u l l y a p p r e c i a t e t h e b e n e f i t o f this q u a l i t y a u d i o p r o d u c t , i t is advised t h a t
y o u read a n d t h o r o u g h l y u n d e r s t a n d this o p e r a t i o n a l m a n u a l b e f o r e using.
FEATURES
1 . Meets E I A J ( E l e c t r o n i c s I n d u s t r i e s A s s o c i a t i o n o f J a p a n ) s t a n d a r d ( 8 2 5 l i n e ) .
T h i s d i g i t a l a u d i o a d a p t o r is m a n u f a c t u r e d t o m e e t t h e E I A J s t a n d a r d arranged
f
or
6 2 5 line areas a n d c a n be used o n V H S , B e t a , a n d U - m a t i c f o r m a t s .
2. O p t i m u m c o n t r o l f u n c t i o n
This c o n t r o l
function
maintains
the
R X - iHat
the o p t i m u m
level w h e n used w i t h a n y v i d e o cassette r e c o r d e r .
playback
performance
It c o m p e n s a t e s f o r a m i n o r per­
f o r m a n c e d e v i a t i o n i n v i d e o cassette r e c o r d e r s .
3. E q u i p p e d w i t h p r o f e s s i o n a l t y p e c o n n e c t o r s
B r o a d c a s t s t a n d a r d c o n n e c t o r s s u c h as c a n n o n
connectors
and PL-259 type
video
c o n n e c i ® s are used in a d d i t i o n t o p o p u l a r p h o n o c o n n e c t o r s .
CAUTION
A H i n t on Setting up the E q u i p m e n t
1. P o s i t i o n all e q u i p m e n t f o r easy o p e r a t i o n .
2 . D o n o t o p e r a t e t h e u n i t i n h u m i d , d u s t y areas o r e x p o s e t h e u n i t t o e x t r e m e h e a t .
A t e m p e r a t u r e o f 3 0 ° C o r b e l o w is r e c o m m e n d e d .
3 . Use
an
appropriate
voltage
regulator
i n areas w h e r e v o l t a g e f l u c t u a t i o n
is above
average.
Power Source
T h e r e c o m m e n d e d p o w e r s o u r c e f o r t h e u n i t is A C 2 2 0 V .
with AC220V.
D o n o t o p e r a t e the u n i t e x c e p t
O t h e r w i s e , e l e c t r i c a l f a i l u r e s a n d o t h e r hazards w i l l r e s u l t , i n c l u d i n g f i r e
and e l e c t r i c shocks.
Service
T h e r e are n o user-serviceable p a r t s inside,
I n case o f f a i l u r e , t a k e t h e u n i t t o t h e nearest
a u t h o r i z e d dealer f o r r e p a i r .
Maintenance
Clean t h e u n i t w i t h s o f t c l o t h a n d m i l d d e t e r g e n t .
Never apply a l c o h o l , paint t h i n n e r ,
o r other h a r m f u l chemicals.
These d i s t i l l a t e s w i l l smear t h e casing o r r e m o v e t h e p a i n t .
D e w P r o b l e m o n a v i d e o cassette r e c o r d e r
1. D o n o t o p e r a t e a v i d e o cassette r e c o r d e r i n areas w h e r e m o i s t u r e c o n d e n s a t i o n m i g h t
occur.
Moisture c o n d e n s a t i o n may o c c u r inside the u n i t after heating a c o l d r o o m .
2 . Please refer t o an o w n e r ' s m a n u a l o f t h e v i d e o cassette r e c o r d e r f o r f u r t h e r
mation on dew problems.
infor­
CONTROLS AND FUNCTIONS
1. Power s w i t c h
Push i n the s w i t c h t o " o n " p o s i t i o n , and push it i n again t o " o f f " p o s i t i o n .
2. Headphone jack
Accepts any headphone w i t h 3-ohm impedance.
3. P o w e r i n d i c a t o r
L i g h t s u p when the p o w e r is " o n " .
4. Playback indicator
L i g h t s u p w h e n m o d e s w i t c h 1 2 is i n " p l a y " p o s i t i o n .
5. R e c o r d i n d i c a t o r
L i g h t s u p w h e n * m o d e s w i t c h 12 is in " r e c o r d " p o s i t i o n .
8. P C M T a p e i n d i c a t o r
T h e l a m p i n d i c a t e s t h e P C M T a p e ( s i m i l a r t o a v i d e o cassette tape) is b e i n g p l a y e d
back.
7. A n t i - D i g i t a l d u b b i n g i n d i c a t o r
S o m e P C M Tapes have a n t i - d u b b i n g signals t h a t i n t e r f e r e w i t h d i g i t a l d u b b i n g .
The
i n d i c a t o r s h o w s t h e e x i s t e n c e o f such signals o n t h e t a p e , a n d d u b b i n g is t h e r e f o r e
inoperative,
8. f r r r o r c o r r e c t i o n signal i n d i c a t o r s
These s h o w t h e level o f signal c o r r e c t i o n b e i n g m a d e o n t h e p r e r e c o r d e d P C M t.tp<:s.
A " s i n g l e " l a m p w i l l l i g h t up w h e n signal c o r r e c t i o n is m a d e o n c e .
If t w o <«*jna!
c o r r e c t i o n s are b e i n g m a d e , b o t h the " s i n g l e " a n d " d o u b l e " l a m p s .v--!i l i g h t
. .)
9. O p t i m u m i n d i c a t o r s
The
f e w e r t h e i n d i c a t o r s are o n , t h e b e t t e r t h e p l a y b a c k c o n d i t i o n w h e n u s i n g a
PCM
Tape.
When
several
indicators
are
on,
turn
the o p t i m u m
control
knob
clockwise or counter-clockwise to o b t a i n the best c o n d i t i o n .
10.
L E Q level i n d i c a t o r s
R e c o r d i n g o r p l a y b a c k levels o n each c h a n n e l are m o n i t o r e d .
f r o m the conventional method.
Level s e t t i n g d i f f e r s
I t is r e c o m m e n d e d t h a t t h e average i n p u t level be set
a r o u n d \ — 9 d B ; never let t h e " o v e r " i n d i c a t o r l i g h t u p .
11.
M I C i n p u t jack
A c c e p t s l o w i m p e d a n c e m i c r o p h o n e s in r i g h t a n d l e f t c h a n n e l s .
12. Mode (Record/Play) switch
Select e i t h e r R e c o r d o r Play m o d e w i t h this s w i t c h .
13. E r r o r m o n i t o r s w i t c h ( T w o - w a y m o n i t o r s w i t c h )
Push
it
to
"source"
position
formance by headphones.
for
monitoring
both
recording and playback
per­
" C h e c k " p o s i t i o n is f o r m o n i t o r i n g and c h e c k i n g t r a c k i n g ,
o p t i m u m c o n t r o l level, o r d r o p o u t s w h e n using a v i d e o cassette r e c o r d e r .
14.
Headphone volume control
Controls output
r e c o r d i n g level.
15.
level
for headphones.
Variable
volume
c o n t r o l does n o t
affect
L i n e o u t p u t level c o n t r o l
C o n t r o l s playback o u t p u t of the taped source.
when
using an a m p l i f i e r .
Level
o u t p u t level c o n t r o l o p e r a t i o n .
indicators
Set t h e c o n t r o l k n o b t o m a x i m u m
show
the
f i x e d o u t p u t , regardless o f
16.
L i n e i n p u t level c o n t r o l
C o n t r o l s i n p u t level f r o m a h o m e s t e r e o s y s t e m o r a t a p e d e c k .
17.
M I C i n p u t level c o n t r o l
C o n t r o l s i n p u t level f r o m m i c r o p h o n e s .
18.
Optimum control
M a i n t a i n s t h e d i g i t a l a d a p t o r at o p t i m u m p l a y b a c k c o n d i t i o n w h e n used w• t h a n y
v i d e o cassette r e c o r d e r .
It c o m p e n s a t e s a m i n o r p e r f o r m a n c e d e v i a t i o n
in
-/ki^o
cassette r e c o r d e r s .
19.
Line i n p u t t e r m i n a l ( p h o n o jack)
C o n n e c t s R e c o r d o u t o r L i n e o u t t e r m i n a l s o f an a m p l i f i e r .
Never use this t e r m i n a l
and Line i n p u t terminal (21) (cannon t y p e connector) simultaneously
20.
1
Line o u t p u t t e r m i n a l ( p h o n o jack)
C o n n e c t s Tape* p l a y b a c k o r L i n e i n t e r m i n a l s o f an a m p l i f i e r .
21.
Line i n p u t terminal (cannon X L R - 3 - 3 1 type unbalanced connector)
Use t h i s t e r m i n a l f o r c o n n e c t i n g a m i c r o p h o n e m i x e r o r o t h e r p r o f e s s i o n a l
equipment.
N e v e r use t h i s i n p u t t e r m i n a l a n d L i n e i n p u t t e r m i n a l (19)
audio
( p h o n o jack)
simultaneously!
T h e n u m b e r t h r e e p i n is a h o t w i r e .
22.
Line o u t p u t terminal (cannon X L R - 3 - 3 2 t y p e unbalanced connector)
Use this t e r m i n a l f o r c o n n e c t i n g L i n e o u t p u t o f p r o f e s s i o n a l t y p e a m p l i f i e r s .
23.
Digital i n p u t / o u t p u t
Use
this
terminal
terminal
for
connecting
another
RX-lHdigital
adaptor's
input,'outout
t e r m i n a l w h e n d i g i t a l d u b b i n g is p e r f o r m e d b y u s i n g t w o R X - l l i j i g i t a i j t t a p t o r s a n d
t w o v i d e o cassette r e c o r d e r s .
24.
Video input terminal
Use
this t e r m i n a l
recorder.
f o r connecting the video o u t p u t terminal o f
a video
cassette
N e v e r use t h i s v i d e o i n p u t t e r m i n a l a n d P L - 2 5 9 t y p e v i d e o i n p u t t e r m i n a l
( 2 6 ) a t t h e same t i m e !
25.
Video output terminal
Use t h i s t e r m i n a l f o r c o n n e c t i n g t h e v i d e o i n p u t t e r m i n a l o f a v i d e o cassette r e c o r d e r .
N e v e r use t h i s t e r m i n a l a n d t h e P L - 2 5 9 t y p e
video o u t p u t
terminal
(27) simul­
taneously!
26.
Video input terminal (PL-259 type connector)
Use t h i s t e r m i n a l f o r c o n n e c t i n g t h e P L - 2 5 9 t y p e v i d e o o u t p u t t e r m i n a l o f a v i d e o
cassette r e c o r d e r .
N e v e r use t h i s t e r m i n a l a n d an a d d i t i o n a l v i d e o i n p u t
terminal
(24) s i m u l t a n e o u s l y !
27.
Video o u t p u t terminal (PL-259 type connector)
Use t h i s t e r m i n a l f o r c o n n e c t i n g t h e P L - 2 5 9 t y p e v i d e o i n p u t t e r m i n a l o f a v i d e o
cassette r e c o r d e r .
N e v e r use t h i s t e r m i n a l a n d an a d d i t i o n a l v i d e o o u t p u t
terminal
(25) simultaneously!
28.
Dubbing output terminal
Use t h i s t e r m i n a l w h e n d u b b i n g is p e r f o r m e d b y using t h i s d i g i t a l a d a p t o r j n d
v i d e o cassette r e c o r d e r s .
two
Connect it t o the video i n p u t t e r m i n a l of the recording
v i d e o cassette r e c o r d e r .
29.
External sync o u t p u t terminal ( p h o n o jack)
C o n n e c t t o t h e e x t e r n a l sync i n p u t t e r m i n a l o f a v i d e o cassette r e c o r d e r .
30.
External sync o u t p u t terminal (PL-259 t y p e )
C o n n e c t t o t h e P L 2 5 9 t y p e e x t e r n a l s y n c i n p u t t e r m i n a l o f a video cassette r e c o r d e r .
4 -
PLAYBACK
R e f e r t o t h e o w n e r ' s m a n u a l f o r t h e o p e r a t i o n o f a v i d e o cassette r e c o r d e r .
v
1. M a k e c o n n e c t i o n s as i l l u s t r a t e d : see d i a g r a m [2]—[3J2. Push " o n " t h e p o w e r s w i t c h { 1 ) .
3. S w i t c h t h e m o d e selector t o " p l a y " p o s i t i o n .
4.
L o a d a P C M t a p e i n t o a video cassette r e c o r d e r .
5. S e t t h e v i d e o cassette r e c o r d e r ' s t r a c k i n g c o n t r o l k n o b t o a u t o p o s i t i o n , or t o the
c e n t e r p o s i t i o n i f m a n u a l l y set.
6. C o n n e c t a h e a d p h o n e t o t h e h e a d p h o n e j a c k
7. P l a y b a c k
t h e v i d e o cassette r e c o r d e r
(2).
a n d set t h e e r r o r m o n i t o r s w i t c h
(two-way
monitor switch) t o " c h e c k " position.
8. A d j u s t o p t i m u m c o n t r o l b y m o n i t o r i n g o p t i m u m i n d i c a t o r s .
9. O b t a i n m a x i m u m t r a c k i n g c o n t r o l b y l i s t e n i n g t o t h e c h e c k i n g signals.
10. N o w , t h e tape Can be p l a y e d b a c k a n y t i m e .
•
D u r i n g o p t i m u m c o n t r o l o r t r a c k i n g c o n t r o l , t u r n d o w n t h e a m p l i f i e r v o l u m e a n d set
the m o n i t o r switch t o the " m o n i t o r " p o s i t i o n .
•
O n c e t h e i n i t i a l o p t i m u m c o n t r o l a n d t r a c k i n g c o n t r o l is a d j u s t e d , t h e r e is n o f u r t h e r
a d j u s t m e n t necesHry as l o n g as t h e v i d e o cassette r e c o r d e r is used.
•
A l w a y s use a r e l i a b l e v i d e o cassette r e c o r d e r i n e x c e l l e n t w o r k i n g c o n d i t i o n in o r d e r
to obtain m a x i m u m performance
f r o m the digital adaptor.
A l w a y s keep t h e v i d e o
heads c l e a n .
•
W h e n using a p r e r e c o r d e d P C M t a p e , m a k e sure i t c o m p l i e s w i t h t h e P C M r e c o r d i n g
standard.
Error Monitor Switch (Two-way Monitor Switch)
Source Position
•
R e c o r d i n g a n d p l a y b a c k c o n d i t i o n s are m o n i t o r e d b y h e a d p h o n e s w h e n t h e s w i t c h is
in " s o u r c e " p o s i t i o n .
•
When the switch
is i n " c h e c k " p o s i t i o n , t h e h e a d p h o n e s p i c k u p t h e i n t e r m i t t e n t
signal s o u n d t o i n d i c a t e w h e t h e r t h e o p t i m u m c o n t r o l o r t r a c k i n g c o n t r o l is p r o p e r l y
set. T h e b e t t e r t h e c o n d i t i o n , t h e less a u d i b l e t h e signal b e c o m e s .
U s u a l l y , set t h e t r a c k i n g c o n t r o l t o " a u t o " p o s i t i o n .
W h e n t h e signal s o u n d b e c o m e s
q u i c k a n d c l e a r l y a u d i b l e , t h e p l a y b a c k c o n d i t i o n is poor. Proceed t o set t h e t r a c k i n g
c o n t r o l manually t o obtain the o p t i m u m playback c o n d i t i o n .
F o r m a n u a l settings,
follow the instructions below:
t . L i s t e n c a r e f u l l y t o t h e signal s o u n d . C o u n t a n u m b e r o f signals a u d i b l e w i t h i n a p e r i o d
o f five seconds.
signal i n t e r v a l .
T u r n i n g o f a t r a c k i n g c o n t r o l k n o b w i l l e i t h e r increase or decrease
Set t h e k n o b w h e r e t h e least a m o u n t of signal is a u d i b i e w i t h i n a
p e r i o d o f f i v e seconds. R e p e a t this several t i m e s t o o b t a i n m a x i m u m t r a c k i n g c o n t r o l .
W h e n t h e t r a c k i n g c o n t r o l k n o b is t u r n e d , t r a c k i n g is m o m e n t a r i l y d i s t u r b e d .
When
making a n a d j u s t m e n t , w a i t until t h e t r a c k i n g is s t a b i l i z e d and n o c o n t i n u o u s signal
s o u n d is heard.
•
•
T h e signal s o u n d is o n l y r e p r o d u c e d b y t h e h e a d p h o n e t e r m i n a l (2) a n d i t w o n ' t be
r e p r o d u c e d t h r o u g h t h e speakers.
E v e r y t i m e a v i d e o cassette r e c o r d e r / v i d e o cassette tape is c h a n g e d , b e sure t o m a k e
tracking control and o p t i m u m control adjustments.
•
W h e n recording, push back the switch t o the " s o u r c e " position.
OPTIMUM CONTROL
T h i s c o n t r o l m a i n t a i n s t h e o p t i m u m p e r f o r m a n c e f r o m t h e d i g i t a l a d a p t o r even w h e n the
v i d e o cassette r e c o r d e r deviates f r o m n o r m a l p e r f o r m a n c e figures.
1. F i r s t , set t h i s k n o b t o t h e n o t c h e d " m i d d l e " p o s i t i o n .
2. O p t i m u m i n d i c a t o r s w i l l l i g h t u p w h e n a P C M Tape is p l a y e d b a c k .
i n d i c a t o r s w i l l l i g h t u p i f t h e p l a y b a c k c o n d i t i o n is f a v o u r a b l e ,
Less t h a n :-vo
r
w ^ e n he
;
c o n d i t i o n is p o o r , several i n d i c a t o r s w i l l l i g h t u p t o s h o w t h a t the o p t - m u m c o r : r e ;
requires readjustment.
}
A d j u s t t h e k n o b so t h a t t h e fewest tamps w
be si! - i - v r / i t r c
•
R e a d j u s t the k n o b each t i m e a v i d e o cassette r e c o r d e r / c a s s e t t e t a p e is c h a n g e d .
•
Since the p e r f o r m a n c e c h a r a c t e r i s t i c s o f each v i d e o cassette r e c o r d e r m a y
arv
m a y be cases w h e n t w o t o t h r e e i n d i c a t o r s l i g h t u p even if the play sack c o r d . : cr. 3
very g o o d .
A l l o p t i m u m i n d i c a t o r s m a y l i g h t u p r i g h t a f t e r a video cassette ' e c j r c : - : ' s
h o o k e d t o the digital adaptor.
Just playback
T h i s does n o t i n d i c a t e the m a c h i n e in m a l f u n c f ~--r-. -3.
t n e P C M T a p e , a n d w a i t u n t i l t h e P C M Tape i n d i c a t o r is o n
c^fcre
making any adjustment.
RECORDING
R e f e r t o t h e o w n e r ' s m a n u a l f o r the o p e r a t i o n o f a v i d e o cassette r e c o r d e r .
1. M a k e c o n n e c t i o n s as i l l u s t r a t e d : see d i a g r a m [ T j - [ 2 ] .
2. Push " o n " t h e p o w e r s w i t c h ( 1 ) .
3. S w i t c h m o d e s e l e c t o r ( 1 2 ) t o " r e c o r d " p o s i t i o n .
4 . A d j u s t t o p r o p e r r e c o r d i n g level b y t u r n i n g t h e L i n e i n p u t c o n t r o l ( 1 6 ) k n o b o r M I C
i n p u t c o n t r o l ( 1 7 ) k n o b . Set the level i n d i c a t o r ( 1 0 ) f o r visual c h e c k i n g o f i n p u t level.
5. L o a d t h e v i d e o t a p e .
Clear the t a p e c o u n t e r t o zero o n t h e v i d e o cassette r e c o r d e r ,
Press t h e r e c o r d b u t t o n .
•
Since i t takes several seconds f o r t h e v i d e o cassette r e c o r d e r t o be s t a b i l i z e d , .73<t
several seconds b e f o r e s t a r t i n g t o r e c o r d .
•
W h e n t h e m i c r o p h o n e is n o t used, t u r n t h e M I C i n p u t c o n t r o l k n o b t o " 0 " p o s i t i o n .
A l w a y s use r e l i a b l e v i d e o cassette r e c o r d e r s i n an e x c e l l e n t w o r k i n g c o n d i t i o n s t o
obtain m a x i m u m recording performance f r o m the digital adaptor.
A l w a y s keep the
v i d e o heads c l e a n .
•
•
W h e n r e c o r d i n g , P C M T a p e ( o p t i o n a l l y a v a i l a b l e ) is r e c o m m e n d e d .
W h e n r e c o r d i n g is c o m p l e t e d , let t h e v i d e o cassette r e c o r d e r r u n f o r several seconds
b e f o r e disengaging t h e r e c o r d b u t t o n .
•
W h e n r e c o r d i n g r i g h t a f t e r t h e p r e v i o u s l y r e c o r d e d p r o g r a m m e s , let the v i d e o cassette
r e c o r d e r r u n in p l a y b a c k m o d e f o r several seconds b e f o r e pressing t h e r e c o r d b u t t o n .
P r o p e r R e c o r d i n g Level
Set t h e average r e c o r d i n g level at a b o u t — 9 d 3 .
1. C h e c k the level i n d i c a t o r s a n d a d j u s t the L i n e i n p u t c o n t r o l ( 1 8 ) or M I C i n p u t c o n t r o l
( 1 7 ) t o set the average r e c o r d i n g level as close as possible t o - 9 d 3 f o r 3
normal recording.
2. S e t t i n g o f the average r e c o r d i n g level at m o r e t h a n — 9 d B p r o d u c e s g o o d P C M r e c o r d ­
!
ing results. B u t N E V E R a l l o w the " O v e r " level i n d i c a t o r t o l i g h t u p
3. V a r y the average r e c o r d i n g level b e l o w o r over —9dB d e p e n d i n g o n the t y p e o f r e c o r d
ing.
•
Set peak r e c o r d i n g level b e l o w t h e " O V E R " l e v e l , b u t d o n o t set it t o o l o w ; o t h e r w i s e
a p o o r S / N r a t i o w i l l result.
DUBBING
T h e r e are b a s i c a l l y t h r e e m e t h o d s - o f d u b b i n g using t h i s d i g i t a l a u d i o a d a p t o r .
D u b b i n g Can Be P e r f o r m e d Using T V Signals
1. Push " o n " t h e p o w e r s w i t c h .
2. S w i t c h the m o d e s e l e c t o r t o p l a y p o s i t i o n ?
3. P a y b a c k the v i d e o cassette r e c o r d e r , (refer t o P L A Y B A C K s e c t i o n )
4 . Set t o r e c o r d m o d e o n t h e v i d e o cassette r e c o r d e r , (refer to P L A Y B A C K s e c t i o n )
5. D u b b i n g is n o w in process.
•
A d j u s t i n g P l a y b a c k o u t p u t c o n t r o l ( 1 5 ) , L i n e i n p u t c o n t r o l ( 1 6 ) , or M I C i n p u t c o n t r o l
( 1 7 ) does n o t a f f e c t r e c e o r d i n g level.
Analog Dubbing
1. Push o n the p o w e r s w i t c h ( 1 ) .
2
Switch
the
nlode
selector
(12)
to
"play"
position
on
the
playback
digital
audio adaptor.
3. S w i t c h
the m o d e selector (12) t o " r e c o r d " p o s i t i o n o n the recording digital
audio
adaptor.
4 . P l a y b a c k t h e s o u r c e ( p l a y b a c k ) v i d e o cassette r e c o r d e r , ( r e f e r t o P L A Y B A C K s e c t i o n )
5
Set t h e r e c o r d m o d e o n t h e r e c o r d i n g v i d e o cassette r e c o r d e r , (refer t o
PLAYBACK
section)
6. N o w d u b b i n g is i n process.
Digital D u b b i n g
1 . R e f e r t o d i a g r a m 16] f o r c o n n e c t i o n s .
2 . O p e r a t i o n p r o c e d u r e is i d e n t i c a l t o t h e a n a l o g d u b b i n g .
*
T h e r e m a y be c e r t a i n cases w h e n u s i n g the T V signal w i l l n o t p r o d u c e g o o d d u b b i n g
results.
T h i s is because t h e r e are m i n o r p e r f o r m a n c e d e v i a t i o n s a m o n g v i d e o cassette
recorders
a n d v i d e o cassette t a p e s .
If this is t h e case, p e r f o r m
d u b b i n g as e x p l a i n e d earlier.
7
analog or
digital
or live r e c o r d i n g s
Diagram 1
s
R e c o r d i n g from a r e c o r d album. F M b r o a d c a s t o r tape r e c o r d e r ,
and p l a y b a c k
:
:
D
i
a
g
r
a
m
2
Line
input
Cannon
c o n nee t o r
Microphone
output
in i x e r
cable
Amplifier
Line input
Lino out pu t
Video input
Coaxial cables provided V i d e o
Video output
output
Video i n p u t
RX-IH
VTR
PQ.ver
;jourco
V I DhlO
IN
VI. Dh;0 OUT
Diagram 3;
. P o w e r s o u roe
VC-6300
Connecting with professional equipment:
Line
T V s i g n a l dubbing c o n n e c t i o n :
-
Diagram 4
Analog dubbing c o n n e c t i o n :
Diagram 5"
D i g i t a l dubbing
connection:
D i a g r a m _6j
SPECIFICATIONS
Power source:
A C 220V, 50Hz
Power c o n s u m p t i o n :
38 W
Dimensions:
4 3 0 (W) x 141 (H) x 3 6 0 (D)
Weight:
15,5 kg
Input terminals:
MIC input terminal:
L o w impedance microphone;
M i n i m u m i n p u t l e v e l , 3 m V ( — 4 8 d B m ) or k>ss.
Line input t e r m i n a l :
Phone c o n n e c t o r / c a n n o n connector X L R - 3 - 3 1
u n b a l a n c e d ; M i n i m u m i n p u t level, i G O m V
'(—18dBm)
Video input terminal:
or
less; I n p u t
impedance, 47k
ohms.
Phono connector/PL-259 type connector,
I n p u t l e v e l , 1.0 1 0 . 2 V p - p { 7 5 o h m s t e r m i n a t i o n ! .
Output terminals:
Dubbing output
terminal:
*
P h o n o c o n n e c t o r ; O u t p u t level, 1 . 0 1 0 . 2 V p - p
(75
ohms
termination);
Output
impedance,
75 ohms.
Line o u t p u t t e r m i n a l :
Phone
connector/cannon
unbalanced;
more
for
more
for
Output
phono
XLR3-32
level,
5G0mV
connectors,
cannon
1.23V
connectors;
impedance; Matching
loaded
connector,
(-4dSm)
(t-4dBm}
600-ohm
or
or
loaded
i m p e d a n c e , 10k o h m s
or more for p h o n o connector,
600
ohms
or m o r e
for cannon connectors.
Video output terminal:
P h o n o c o n n e c t o r / P L - 2 5 9 c o n n e c t o r . O u t p u t level,*
1.0 t
0.2
Vp-p
(75 ohms
termination}; Output
impedance, 75 ohms.
External sync o u t p u t
terminal:
Phono connector/PL-259
connectors; T T L
Digital i n p u t / o u t p u t t e r m i n a l :
D - t y p e s u b c o n n e c t o r ; T T L level.
A u x i l i a r y V i d e o Cassette r e c o r d e r :
S h a r p V C - 6 3 0 0 { V H S f o r m a t ) ; Seta f o r m a t ;
Frequency response:
2 — 20,000Hz
level.
U-matic format.
•
D y n a m i c range:
90dB
Harmonic distortion:
0 . 0 3 % (1kHz)
Wow & flutter;
B e l o w measurable value.
Level v a r i a t i o n :
B e l o w measurable value.
Crosstalk:
More than 60dB.
Error correction capability:
99.995%
Standard:
El A J standard ( 5 2 5 line)
Recording f o r m a t :
PCM recording
Transmission channels:
T w o channels.
Sampling frequency:
44.1kHz
Number of quantizing bit:
14-bit
Data transmission rate:
2.525Mops-
Accessories:
in 6 2 5
line standard T V
signals.
Phono type connecting cable; Phono type/PL-259
Type c o a x i a l c a b l e x 2 ( 7 5 o h m s } ; O w n e r ' s m a n u a l .
* S p e c i f i c a t i o n s are s u b j e c t t o change w i t h o u t n o t i c e .
*
T h e m a n u f a c t u r e r reserves t h e r i g h t t o v a r y s p e c i f i c a t i o n s , d e s i g n , o r use a l t e r n a t i v e
m a t e r i a l s as m a y b e d e e m e d necessary o r desirable at any t i m e , any such change o r
v a r i a t i o n b e i n g o f a k i n d as n o t t o r e d u c e t h e q u a l i t y , p e r f o r m a n c e or
appearance.