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Pioneer SX-980 Operating Instructions Manual page 20

Am/fm stereo receiver
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INF UNLESS
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: SIGNAL VOLTAGE AT iGcWr lGUW 32
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V : OC VOLTAGE AT NO INPUT SIGNAL
mA : OC CURRENT AT NO INPUT SIGNAL
SWITLHES ;
Si
FM
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ON
S, AM
OFF —
ON
Sy AUX
OFF — ON
S. PHONG 2/MIC = OFE — ON
Cc
Ss PHONO 1
OFF — ON
Sg QUPLICATE
OFF — ON
S MONITOR] © OFF — ON
Ss MONITOR2
© OFF. — ON
Ss MOOE
STERES — MONO
Sw
LOUDNESS
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ON
Sy AF MUTING
OFF — - 2048
Sy TURN WER = 40GH a ~ 20UHz
Sy
TURN OER
25 KHz - SKHZ
Sa
TONE
OFF — ON
Sis LOW FILTER(ISHz) OF
QFF — UN
Se HIGH FILTER(BkHz)
OFF —ON
Sn SPEAKER A
OFE—ON
Sip SPEAKER 8
OFF - ON
Sy FM OE-EMPHASIS NORMAL - 25 uS
Sm FM MUT
OFF — uN
Sa POWER
QFE — ON
Sw PROTECTION RELAY
Sig LINE VOLTAGE SELECTOR
220V- 240
This is the basic schematic
diagram, but the
actual
circuit
may vory due to improvement
in
design.

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