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IC1 (1/2)
Q56
Program signal output
Use/Function
KT-1100D
Operation/Condition/Interchangeability
P-CH A/B select
AUTO/MANUAL select
Transmits the signal to the M81 controller.
Sends the latch output to the controller to change the channel between A and B.
Sends the latch output to display LED. (CH A LED driver)
Sends the latch output to display LED. (CH B LED driver)
Sends the latch output to the controller and LED. (AUTO)
Sends the latch output to the controller and LED. (MANUAL)
REC CAL ON/OFF select
Stop signal control
IC1 (2/2)
IC2 (1/2)
IC2 (2/2)
il
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C4
IC5
IC6
IC7
IC8
Ic9
IC10
IC12
IC13
IC14
IC15
IC16
1C17 (1/4, 2/4)
1C17 (3/4, 4/4)
1C18
IC19
IC20, 21
IC22 (1/2)
1C22 (2/2)
Stop signal generator
Power ON mute signal generator
AM pre-emphasis amp
Sends the latch output to LED and control circuit when REC CAL is ON.
Receives the FM range mute signal for controlling.
Receives the signal meter voltage and generates the auto stop signal (+15V).
Generates the mute signal synchronizing with the rising DC voltage of IC 10.
Calibrates the AM signal frequency.
REC CAL signal generator
AM
400 Hz.
RF amp, IF amp, DET, AGC, S meter.
Notch filter
Main signal buffer
114 kHz.
Sub carrier buffer
Sub signal decoder
Stereo decode & de-emphasis
38 kHz generator (square wave)
Constant voltage power supply
3-pin regulator
Power mute signal generator
Select mute signal generator
WIDE/NARROW seiect Jatch
DIRECT/DISTANCE
select latch
Pre-scaler
Controller
Latch for program
Latch for REC CAL
38 kHz.
Linear multiplier.
Current/voltage conversion.
Addition of main signal and sub signal.
Auto quieting control, beacon control.
+15V.
5V.
FM oscillator dividing.
Including PLL.
D-type flip-flop.
D-type flip-flop.
Latch for AUTO/MANUAL
1F/DET daughter unit (X86-1022-72)
Components
Use/Function
Qi
Q3, 4
IF amp
PLL DET VCO
D-type flip-flop.
Operation/Condition/Interchangeability
10.7 MHz.
FM signal switch
Gain control
Switches from REC CAL or AM, etc.
Turns ON to raise the gain when in the NARROW made.
DCC ON/OFF switch
Receives the auto stop signal and compensates the distortion.
Ic1~4
IF amp
1C5
IF system
IC6 (1/2)
IC6 (2/2)
PLL detector DC amp
IF amp, range mute signal generation, S meter, quadrature detection.
FM/AM signa! amp
IC11 (1/2)
3rd distortion generation
2nd distortion generation
Linear multiplier.
Linear multiplier.
3rd distortion current-voltage conversion
IC11 (2/2)
1C12 (1/2)
Distortion phase compensation amp
2nd distortion current-voltage conversion
1C12 (2/2)
1C13 (1/2)
1C13 (2/2)
1C14 (1/2)
Distortion phase compensation amp
3rd distortion in stereo mode.
Increase the distortion in NARROW mode.
Reference voltage generation
DET distortion compensation amp
VCC/2 = 7.5V.
Compensates the distortion in PLL detector.
MONO distortion compensation amp
1C14 (2/2)
STEREO distortion compensation amp
For 2nd distortion compensation.
For 3rd distortion compensation.
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