Pioneer GR-555 User manual

Operating
Instructions
GRAPHIC EQUALIZER
Thank you for buying this Pioneer product.
Please read through these operating instructions so you will
know how to operate your model properly. After you have
finished reading the instructions, put them away in a safe
place for future reference.
in
some
countries
or
regions,
the
shape
of
the
power
plug
and
power
outlet
may
sometimes
differ
from
that
shown
in the
ex-
planatory
drawings.
However,
the
method
of
connecting
and
operating
the
unit
is
the
same.
R-555
WARNING:
1o
prevent
FIRE
OR
SHOCK
HAZARD,
DO
NOT
EXPOSE
THIS
APPLIANCE
TO
RAIN
OR
MOISTURE.
IMPORTANT NOTICE
[For U.S. and Canadian models]
The serial number for this equipment is located on the rear
panel. Please write this serial number on your enclosed war-
ranty card and keep it in a secure area. This is for your securi-
ty.
[For Canadian model]
CAUTION: to prevent Etectaic SHOCK DO NOT
USE THIS (POLARIZED) PLUG WITH AN EXTENSION CORD,
RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN
BE FULLY INSERTED TO PREVENT BLADE EXPOSURE.
ATTENTION: pour prevenin Les cHocs ELEC-
TRIQUES NE PAS UTILISER CETTE FICHE POLARISEE AVEC
UN PROLONGATEUR UNE PRISE DE COURANT OU UNE
AUTRE SORTIE DE COURANT, SAUF SI LES LAMES PEUVENT
ETRE INSEREES A FOND SANS EN LAISSER AUCUNE PARTIE
A DECOUVERT.
Connection I
Connection II
Signa! path diagram
Rear Panel Facilities
Front Panel Facilities
Using the Equalizer Controls
CONT
ENTS
LINE VOLTAGE SELECTOR SWITCH
Only multi-voltage models are provided with this
switch. U.S., Canadian, European, U.K., and Austra-
lian models are not provided with this switch,
Mains voltages in Saudi Arabia are 127V and 220V
only. Never use this model with 110V setting in
Saudi Arabia.
You will find the line voltage selector switch on the rear pan-
el. Before your model its shipped from the factory, the switch
is set to the power requirements of the destination; neverthe-
less, you should check that it is set properly before plugging
the power cord into the AC outlet. If the voltage is not properly
set, or if you move to an area where the voltage requirements
differ, adjust the selector switch as follows. Before adjust-
ing, disconnect the power cord.
1, Use a medium-size screwdriver.
2. Insert the screwdriver into the groove of the selector
switch and turn it so that the power voltage marking of
your area points to the arrow
VOLTAGE SELECTOR
Medium-size
screwdriver
Operations
----
errs
eres
Sate
AS
74
When
Playing
Records:
--
ni
sn
aaa
see
g
75
When
Recording
Broadcasts
-
4
bei
netig
14
sees
“10
When
Playing
Back
Tapes
14
14
When
Editing
Tapes
------0---
15
12.
Functioning
of
Switches
-------
+5.
Troubleshooting
16
Specifications
--
;
sd
highs
asa
ion TUS
16
@ PIONEER’
The Art of Entertainment

IMPORTANT 1
The fighining flash wath arrowhesa, within an equilateral
tuangie. is intended to alert the use! to the presence of
uninsulated “oangersus @° within the produ
epciosure that may be of 6 + oxagiavude ro consti
afisk of electtic shock 10 persons
|
|
|
|
|
—
IMPORTANT 2
the apparatus is fitted with AC mains power cutlets}
see REAR PANEL FACILITIES for convenient
connection of addityonal Hi-Fi componentis}. Make alt
connections te the AC outletist and the signal termmnais
first, Connect the plug to the wall socket last (make
sure that the power switch 1s off 4
Peer on
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
TO PREVENT THE RISK OF ELECTRIC SHOCK, DO
NOT REMOVE COVER {OR BACK}. NO USER-
SERVICEABLE PARTS INSIDE. HEFER SERVICING TO
QUALIFIED SERVICE PERSONNEL,
The exclamation point within an equilateral tangle ss
intended te alent the user ro the presence af important:
operating ane mamtenance (servicing) instructions in
the iteracure accompany:ng the appliance
FOR USE IN THE UNITED
KINGDOM
WARNING: This plug must only be connected to
electronic apparatus equipped with suitable sockets.
if nat, cut off the piug and fit an appropriate type in
accordance with the instructions below.
The cut-off plug must be disposed of as an electrical
shock hazard could exist if connected to a socket
outlet.
The wires in this mains lead are colourea in accordance
with the following cade
Blue Neuual
Brown: Live
As the colours of the wires in the mains lead of this
apparatus may not correspond with the cotowed |
marking identifying the terminals in your plug proceed
as follows:
The wire which 1s coloured blue must be cormected to
the terminal which is marke with the fetter Noor
coloured black
The wire which is coloured brown must be connected
to the termina which 1s marked with the letter L or
coloured red
Do not connect either wire to ne earth terminal of a
three pin plug
poate
READ INSTRUCTIONS ~ All the safety and operating
instructions should be read before the appliance is
Onerated.
RETAIN INSTRUCTIONS ~ The operating instructions
should be retamed tor future reference
HEED WARNING ~ All warnings on the appliance and in
the operating instructions should be adhered to
FOLLOW INSTRUCTIONS ~ Ail operating and use in
structions should be followed.
WATER AND MOISTURE ~ The appliance should not
be used near water ~ for example, near a bathtub,
washbow/, kitchen sink, laundry tub, in @ wet base
ment, or near 3 swimming pool, etc
LOCATION ~- The appliance should be installed in a
stable location
WALL OR CEILING MOUNTING The appliance
shoufd not be mounted to a walt or ceiling
VENTILATION » The appliance should be situated so
that its location or pasition does not interfere with
its proper ventilation. For example, the appliance
should not ba situated on abed, sofa, rug, or similar
surface that may block the venttitation openings; of
placed in a built-in installation, such os a bookcase
or cabinet that may impede the flow of air through
the ventilation openings.
HEAT ~ The appliance should be situated away from
heat sources such as radiators, heat registers,
stoves, or other appliances (including amplifiers}
that produce heat
POWER SOURCES ~ The appliance should be con
nected to a power supply only of the type de
scribed in the operating instructions or as marked
on the appliance
POWER-CORD PROTECTION ~ Power suppiy coras
should be routed so that they are not likely to be
walked on of pinched by items placed upon or
against them. Pay particular attention to cords at
plugs, convenience receptacles, and the point
where they exit from the appliance
POLARIZATION = Hf your purchased product is pro
vided with a polarized power plug, please read the
following instructions. This product is equipped
with a polarized alternating current line plug {3 plug
having one blade wider than the other}. This plug
will fit into the power outlet only one way. This is a
safety feature. if you are unable to insert the plug
| fully into the outlet, try reversing the plug. If the
plug should stiif fail to fit, contact your electrician to
replace your obsolete outlet, Do not defeat the
safety purpose of the polarized plug
| CLEANING ~ The appliance should be cleaned only
with a palishing cloth or a soft dry cloth. Never
clean with furniture wax, benzine, insecticides or
other volatile liquids since they may corrode the
cabinet
2
<ARBI121>
——
SAFETY
INSTRUCTIONS
———
POWER LINES ~ An outdoor antenna should be located
away from power lines
NONUSE PERIODS ~ The power cord of the appliance
should be unplugged from the outlet when left un-
used for a long period of time
OBJECT AND LIQUID ENTRY ~ Care should be taken
so that objects do aot fatl and liquids are not spilled
into the enclosure through openings.
DAMAGE REQUIRING SERVICE ~ The appliance
should be serviced by a Pioneer authorized service
centet or qualified service personnel when:
The power-suppiy cord or the plug has been dam:
aged.
Objects have fatten, of tiquid has been spilled into
the appliance.
The apptiance has been exposed to rain.
The appliance does not appear to operate normally
of exhibits a marked change in performance
The appliance has been dropped or the enciosure
damaged
SERVICING
The user should not attempt to service
the appliance beyond that described in the opera:
ting instructions. For all other servicing, contact the
nearest Pioneer authorized service center.
GROUND
CLAMP
ELECTRIC
SERVICE
EQUIPMENT
FIG. A
— GROUND CLAMPS
- POWER SERVICE GROUNDING
ELECTRODE SYSTEM
INEC ART 250, PART Hi
OUTDOOR ANTENNA GROUNDING ~ if an outside an-
tenna is connected to the antenna terminal, be sure
the antenna system is grounded so as to provide
some protection against voltage surges and built
up static charges.
In the U.S.A. section 810 of the National Electrical
Code, ANSI/NFPA No. 70-1984, provides informa:
tion with respect to proper grounding of the mast
and supporting structure, grounding of the lead-in
wire to an antenna discharge unit, size of grounding
conductors. location of antenna discharge unit,
connection to grounding electrodes, and require-
ments for the grounding electrode. See Fig, A.
CART ~ An appliance and cart combination should be
moved with care. Quick stops, excessive force, and
uneven surfaces may cause the appliance and cart
éombination ta averturn.
NEC = NATIONAL ELECTRIC CODE
ANTENNA
LEAO IN
WIRE
ANTENNA
DISCHARGE UNIT
INEC SECTION 810 ~ 20)
GROUNDING CONDUCTORS
{NEC SECTION 810 ~ 215

When amplifier has ADAPTOR jacks. @ EQUALIZER jacks
@ TAPE jacks
‘ b h fi itch (3 Accessory cord provided with the tape deck
When connecting components, be sure that all power switches @® Tape deck (Tape deck 2)
are OFF,
This is an example of the connections made when using the
GR~555 in conjunction with PIONEER’s components. For details,
consult the Operating Instructions of the respective components.
(53 Accessory cord provided with GR—-555
(6) Stereo amplifier
@ AC wall socket
@ Power plug
x7
|
sme
)
illustration not applicable
to U.K. model
[© RO OL o,
IMustration @®®
not applicable
to U.K. model. 7
3
<ARBII21>

CONNECTION IL
When
amplifier
has
ADAPTOR/TAPE
2
jacks.
When
connecting
components,
be
sure
that
all
power
switches
are
OFF,
For
details,
consult
the
Operating
Instructions
for
the
com-
ponents
to
be
connected.
LIN
( Fasc)
aNeUT
Hlustration not
applicable to U.K. model.
@) EQUALIZER jacks
TAPE jacks
Accessory
cords
provided
with
the
tape
deck
<4) Tape deck
@
Accessory
cord
provided
with
GR~
555
Stereo
amplifier
Gy
—(8)
{DY
AC
wail
socket
ay
7
Po Hu
8 wer plug iHustration
not applicable
to U.K. model.
a
<ARB1I121>

SIGNAL PATH DIAGRAM
|
WHEN
PLAYING
RECORDS
|
(Refer
to
page
13)
Turntable
Stereo amplifier
BoN
CIN] ae Right channel
speaker
Left channel
speaker
EQUALIZER
EQUALIZER
OUTPUT
INPUT
EQUALIZER TAPE MONITOR
OMT BOM: AOOHe TKHe @aKhis OX He TSK ME
EGUAUZER TAPE MONITOR
Press to ON. Set to OFF.
Adjust to desired levels.
5
<ARB1121>

SIGNAL PATH DIAGRAM
fas
ee
nT
(Refer to page 14)
H
ar
J
Tape deck 1 (double
or single tape deck}
Tuner
Stereo amptifier
[any
Right (R)
Left (L)
Right channel
speaker
Left channei
speaker
“23
(PLAY)
EQUALIZER
OUTPUT
EQUALIZER
INPUT
Tape deck 2
EQUALIZER TAPE MONITOR
Ee
EQUALIZER TAPE MONITOR
[
sor
2
ON
ROFF
won
|
he Be
i
Press
to
ON.
Set
to
OFF.
J
Adjust to desired levels.
6
<ARB1121>

SIGNAL PATH DIAGRAM
[ WHEN PLAYING BACK TAPES | (Refer to page 14)
Tape deck’1 {double
or single tape deck)
Stereo amplifier
Right (R}
Left (L)
Right channel
speaker
OUT)
(REC) (PLAY) £55
Left channel
speaker
24
ADAPTOR, TAPE 2 or ADAPTOR/TAPE 2
EQUALIZER
EQUALIZER
INPUT
OUTPUT
Tape deck 2 playback
Tape deck 1 playback
Tase onwToss
SS TAPE MomiToR
ennnmemnneernnneememeed
Sees
EQUALIZER TAPE MONITOR
sore son
a0 | 00
@®® S@
<ARBII21>
Adjust to desired tevels.
?

SIGNAL PATH DIAGRAM
WHEN EDITING TAPES | (Refer to page 15)
Tape copying frorn deck 1 to deck 2
while adding compensation.
3
Tape deck 1 :
Stereo amplifier
Right (R)
Left (L}
Left channel
Right channel
speaker
speaker
.
2
(REC)
.
oN,
EQUALIZER
EQUALIZER
OUTPUT
INPUT
Tape deck 2
~
——
BOMs IGOHe AOOME TKHs @akHs BKHe TOKMs
[ + ore 2 ON a OFF won|
ees
th
EQUAUZER TAPE MONITOR
EQUALIZER TAPE MONITOR
Press to ON. Set to OFF.
Adjust to desired levels.
<ARB1121>

SIGNAL PATH DIAGRAM
In this Hlustration, the graphic equalizer is connected to the
WHEN EDITING ING TAPES | (Refer to page 75) ADAPTOR/TAPE 2 jack of the amplifier. and the tape deck 2 is
i
a
thin
connected
to
the
TAPE
jack
of
the
equalizer.
The
tape
deck
1
; is connected to the TAPE 1 terminal of the amplifier. With this
To
record
from
tape
deck
2
te
tape
deck
1
while
setup,
copy
can
be
taped
from
tape
deck
2
to
tape
deck
1,
but
make sure the function of
the amplifier
is
set
to
any
position
adding equalizer compensation.
except TAPE 1.
Tape deck 7
Stereo amplifier
4a S.
Left (L} Right (R}
Right channel!
Left channet
speaker
speaker
On]
(PLAY) 23
TAPE 2 or ADAPTOR/TAPE 2
EQUALIZER
EQUALIZER
OUTPUT
INPUT
Tape deck 2
—~
SQUAUZER TAPE MONITOR
EGUAUZER TAPE MONITOR
a OFF an on |
La ea a
Press to ON. Press to ON.
[ +o = ON
Adjust to desired levels.
9
<ARB1121>

REAR PANEL FACILITIES
Two pin-plug cords are included as accessories. These are used
to connect the graphic equalizer to your stereo amplifier. The
white plug is for the left channel, and the red plug is for the right
channel,
EQUALIZER jacks = TAPE jacks
Pin-plug cords
EQUALIZER jacks
Connect to stereo amplifier.
TAPE jacks
Connect to tape deck,
AC OUTLET (UNSWITCHED 100 W MAX)
Power flows continually to this outlet, regardless of whether the
equalizer is switched ON or STANDBY. Electrical power consump-
tion of the connected equipment should not exceed 100 W. The
equalizer should be disconnected by removing the mains plug
from the AC wail socket when not in regular use, e.g. while on
vacation.
NOTE:
Do not connect appliances with high power consumption
such as heaters, irons, or television sets to the AC OUTLET in
order to avoid overheating or fire risk.
This can cause the equalizer to malfunction.
AC power cord. ~~
40
<ARB1121>
AC outlet
STEREO AMPLIFIER TAPE JACKS
When the stereo amplifier has one set of tape jacks:
Connect the INPUT jacks to the stereo amplifier's TAPE REC
jacks, and connect OUTPUT jacks to the stereo amplifier’s TAPE
PLAY jacks.
Equalizer
Tape jacks jacks
TES
Amplifier
Tape jacks
CoS EES
When the stereo amplifier has two sets of tape
jacks:
Connect the INPUT jacks to the stereo amplifier’s ADAP-
TOR/TAPE 2 or TAPE 2 [REC] jacks, and connect OUTPUT jacks
to the stereo amplifier’s ADAPTOR/TAPE 2 or TAPE 2 [PLAY]
jacks.
ADAPTOR/TAPE 2 Equalizer
or TAPE 2 jacks — 7 jacks
EE
Amplifier
Tape 1 jacks
Tape deck 1
Tape jacks
fo
Tape deck 2
Connect TAPE REC jacks to the tape deck 2’s LINE (REC)
jacks.
Connect TAPE PLAY jacks to the tape deck 2’s LINE
(PLAY} jacks.