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2-6
2.3. Functional System Diagram
2.3.1. Scanner Unit
SLOT ANTENNA
MOTOR
B101
SAFETY SWITCH
S101
MAG
V101
PULSE
TRANS
SWITCHING
CIRCUIT
PC201
MH
GENERATOR
AVR
PC1001
㱂
A,
㱂
B,
㱂
Z
FILTER
DUMMY
LOAD
DC+24V
Serial Com, BP, BZ, VD, TRIG
NKE-2254 Scanner Unit
POWER
SUPPLY
CIRCUIT
MOTOR CONTROL
POWER
PC1501
Rotation Control
Speed control
Status
DC+24V
Tx Trigger/Pulse Width
DC+24V
ENCODER
ROTARY
JOINT
INTERFACE CIRCUIT
PC1101
RF AMP
IF AMP
VIDEO
AMP
RECEIVER
Receiver
Bandwidth
Control
Tune Control
DIODE
LIMITER
Figure 2.2 Functional System Diagram of NKE-2254 Scanner Unit
Summary of Contents for JMA-5212-4
Page 2: ......
Page 7: ... Chapter 1 Equipment Overview ...
Page 8: ... ...
Page 11: ... Chapter 2 Equipment Overview ...
Page 12: ... ...
Page 34: ...2 22 ...
Page 35: ... Chapter 3 Service Parts ...
Page 36: ... ...
Page 43: ...3 7 Figure 3 1 Exploded Diagram of the NKE 2103 ...
Page 47: ...3 11 Figure 3 2 Exploded Diagram of the NKE 2254 ...
Page 51: ...3 15 Figure 3 3 Exploded Diagram of the NDC 1460 Fuse nut Connector nut Connector nut ...
Page 53: ...3 17 Figure 3 4 Exploded Diagram of the NCE 7699A ...
Page 54: ...3 18 ...
Page 55: ... Chapter 4 Replacement of Major Units ...
Page 56: ... ...
Page 108: ...4 52 ...
Page 109: ... Chapter 5 Program Update ...
Page 110: ... ...
Page 114: ...5 4 ...
Page 115: ... Chapter 6 Troubleshooting ...
Page 116: ... ...
Page 150: ...6 34 ...
Page 151: ... Chapter 7 Drawings ...
Page 152: ... ...
Page 170: ......
Page 171: ......