Service manual

900 MHz LOCAL OSCILLATOR COMPONENT LAYOUT
(COMPONENT SIDE VIEW)
FIGURE 2-18
2-38
March 2000
Part No. 001-3139-502
C299
+
F300
TO REPEATER WIRE HARNESS
J300-1
J300-2
+13.8V
GND
U299
1
2
3
4
5
R299
R300
C300
+
C301
C303
C302
+
K300
ALARM OUTPUT
123
4
56
R334
CR307
1
7
8
14
U302
R307
R306
E
C
B
Q302
CR304
OUTPUT
R305
R333
R323
E
B
C
Q306
R304
R302
E
C
B
Q301
E
C
B
Q304
R310
R309
CR303
OCXO-1
CR305
OCXO-2
R301
R327
R308
J301
E
C
B
Q305
R322
R321
CR306
F
J302
R320
C304
C343
C332
L300
R311
R312
R313
U300
1
8
9
16
C305
C306
R325
R324
R314
R315
U303
1
8
9
16
C307
R326
U306
1
8
9
16
1
7
8
14
U305
C308
+
OCXO 1
INTERRUPT
S300
R328
C396
+
C395
+
CR301
C297
R340
R339
J303
PIN 1
PIN 5
PIN 3
PIN 4
TO
OCXO 1
J304
PIN 1
PIN 5
PIN 3
PIN 4
TO
OCXO 2
E
C
B
Q300
E
C
B
Q300
R318
CR302
C298
R342
R341
U313
1
8
9
16
U312
1
87
14
141
87
U311
L301
C315
C316
L302