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) KRe-2001
CIRCUIT DESCRIPTION
Description of components.
CONTROL
UNIT (X11-2230-10)
Components
Application/Function
_ Operation/Condition/Compatibility
Qi
LO/DX SW
Q2
FM IF AMP
LOUDNESS
SW
FM IF AMP/DET
FM MPX
NR
NR CONTROLL
DIN OUT AMP
TONE AMP
EQ AMP
SYNTHESIZER
UNIT (X14-1870-10)
Application/Function
Operation/Condition/Compatibility
AGC CUT
ee
OT ey
TUNER
+B SW
Turned ON when TAPE mode
FM +B SW
Q10
AM +B SW
Q11, 12
ACC AVR (+9 V)
Q13
TAPE +B SW
L.P.F DC AMP
BACK UP AVR (+5 V)
CE-CONTROL
MUTING
EQ MUTE DRIVER
TAPE MUTE DRIVER
MUTE DRIVER
MUTE DRIVER
AGC CUT
Turned. OFF when ACC is ON
For equalizer amp. Turned ON when Radio mode, FF/REW mode.
Turned ON when FF/REW mode
For power amplifier. Turned ON when ACC is ON.
MICROPROCESSOR
POWER AMP
(1/4) F/R indicator, (2/4) ST indicator, (3/4) STATION
DETECT indicator,
(4/4) TAPE MODE indicator
(1/4) MEMORY switch, (2/4) MANUAL DOWN switch, (3/4) MANUAL UP switch,
(4/4) SEEK switch
AND IC
AND IC
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