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Pioneer GR-777 Mode D'emploi page 11

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TROUBLESHOOTING
Incorrect operations are often mistaken for trouble and malfunctions. If you think that there is something wrong with this component, check the
points below. Sometimes the trouble may lie in another component. Investigate the other components and electrical appliances being used.
If the trouble cannot be rectified even after exercising the checks listed below, ask your nearest PIONEER authorized service center or your dealer
to carry out repair work.
© Power cord is not connected.
TAPE MONITOR switch is ON.
Incorrect operation of stereo amplifier.
Connecting cords are disconnected.
EQUALIZER switch is set to OFF.
No graphic equalizer
effects.
SWITCH FUNCTION DIAGRAM
Symptom
Cause
Remedy
No sound.
© Power switch is OFF.
¢ Turn power switch on.
¢ Plug in power cord.
* Set TAPE MONITOR switch to OFF.
© Check the settings of the amplifier switches.
(Consult the amplifier operating instructions.)
* Connect the cords properly.
e Set to ON.
SPECTRUM
ANALYZER/EQUALIZER
EQUALIZER
EQUALIZER
INPUT
OUTPUT
(REC)
(PLAY)
terminals
OFF
terminals
(SOURCE)
TAPE ©)
TAPE
PLAY
REC
terminals,
JP
©
NRT
ne
Ses mo
ce
terminals
(TAPE)
Above diagram shows L channel only.
SPECIFICATIONS
Graphic Equalizer Section
Miscellaneous
Number of bands ...........cccccsessseecsseeceeeeeeseuseeeseeesenens 10 + 10
Power requirements .........0cese
severe eeees a.c. 220 Volts~ , 50/60 Hz
Equalizer bands
POWEr CONSUMPTION 2.0.0... cece ee ee rec eeee nena eneebeneaesaenenerneenes 18W
Center frequencies......... 32 Hz, 63Hz, 125 Hz, 250 Hz, 500 Hz,
External dimensions (W x H x D)......... 420 x 85.5 x 311.5 mm
1 kHz, 2 kHz, 4kHz, 8kHz, 16kHz
WEIGNE: Ai scitestenicedansees
ick Westesea leer eahesvauselavadaa cet eneruer ates 4.0 kg
Variable range..........ccsceceeseccnereec
nee eeneseecaeeeaeenteneeneees + 10dB
SN ratio (IHF, A network, short circuit, 1 V)...
we. 110 dB
ACCESSORIES
SN ratio
(DIN 500 MV) oo...
ccc ccecee eee eereneeeeeeeeeeeeeeerseeeees
90 dB
Stereo connection cords
Harmonic distortion (20 Hz — 20 kHz, output 1 V)............ 0.02%
Operating instructions
Frequency reSPONSE ....... sec eeeeeeeeeeseneeenae eens 5 Hz — 70 kHz *9dB
Remote control unit .......
input (Sensitivity/Impedance) ccc.
150 mV/50 ka
Battery:
secrets est ctivheatevenisus cer eilasaunt neues
tae
ea deat
Output (Level/Impedance) 0...
eeeeeeeeteeeeees 150 mV/3.3 kQ
Spettrun analyzer section
Specifications and design subject to possible change without notice,
:
due to improvements.
Number of bands ...........ceceeeeeeeseeeeeeveceneeeneeeneeenesenees 10 + 10
Center frequencies .......... 32 Hz, 63Hz, 125 Hz, 250 Hz, 500 Hz,
1 kHz, 2 kHz, 4kHz, 8kHz, 16kHz
41
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