Nke-2254 - JRC JMA-7133-SA Instruction Manual

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JMA-7100 Instruction Manual B.DRAWINGS
B.5.2

NKE-2254

NKE-2254 Scanner Unit
MOTOR
B101
MAG
V101
PULSE
TRANS
SWITCHING
CIRCUIT
PC 201
MH
GENERATOR
POWER
SUPPLY
CIRCUIT
PC 1001
DC +24V
Speed control
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B.5 Block Diagram of Scanner Unit
SLOT ANTENNA
ROTARY
JOINT
FILTER
DUMMY
LOAD
Tx Trigger/Pulse Width
AVR
Rotation Control
MOTOR CONTROL
POWER
PC1501
Fig B-14: Block Diagram of NKE-2254
B －16
ΦA,ΦB,ΦZ
ENCODER
DIODE
LIMITER
RECEIVER
Tune Control
RF AMP
Receiver
Bandwidth
Control
IF AMP
VIDEO
AMP
INTERFACE CIRCUIT
PC1101
Serial Com, BP, BZ, VD, TRIG
Status
SAFETY SWITCH
S101
DC +24V
DC +24V