7-8
Schematics, Component Location Diagrams and Parts Lists: RF Section
September 5, 2008
6881076C25-E
Notes:
1.
For optimum performance, order replacement diodes, transistors, and circuit
modules by Motorola part number only.
2.
When ordering crystals, specify carrier frequency, crystal frequency, crystal
type number, and Motorola part number.
3.
Part value notations:
p=10
-12
n=10
-9
µ=10
-6
m=10
-3
k=10
3
M=10
6
4.
ITEM refers to the component reference designator.
5.
The RF Board Kits use a 6-layer printed circuit board.
R316
0611077A94
6.8k
R317
0611077A43
51
R318
0611077A01
0
R319
–
Not Placed
R320
0611077A26
10
R325
–
Not Placed
R350
0611077A58
220 (VHF and 800MHz Bds)
or
0611077A58 120 (UHF Bd)
R351
0611077A26
10 (VHF and 800MHz Bds)
or
0611077A36 27 (UHF Bd)
R353
0611077A78
1.5k
R354
0611077A28
12
R355
0611077A01
0 (VHF and 800MHz Bds)
or
0611077A98 10k (UHF Bd)
R356
0611077A38
33 (VHF and 800MHz Bds)
or
0611077A52 120 (UHF Bd)
R357
0611077A98
10k
R358
0611077A10
2.2 (Placed on VHF and 800MHz
Bds Only)
R602
0611077A43
51
R607
0611077A74
1k
R608
0611077A98
10k
R609
0611077A62
330
R610
0611077A43
51
R611
0611077B31
220k
R612
0611077B31
220k (Placed on UHF Bd only)
R613
0611077B11
33k
R614
0611077A90
4.7k
R615
0611077B47
1M
R616
0611077B07
22k (VHF Bd)
or
0611077B01 12k (UHF Bd)
or
0611077A98 10k (800MHz Bd)
R617
0611077B11
33k
R618
0611077A28
12
R620
0611077A74
1k
R622
0611077A74
1k
R623
0611077A26
10
R624
0611077A98
10k (VHF Bd)
or
0611077A90 4.7k (UHF and 800MHz Bds)
R625
0611077B07
22k (VHF Bd)
or
0611077A96 8.2k (UHF Bd)
or
0611077A78 1.5k (800MHz Bd)
R626
0611077B23
100k
R627
0611077A90
4.7k (VHF Bd)
or
0611077A82 2.2k (UHF Bd)
or
0611077A80 1.8k (800MHz Bd)
R628 thru 630
0611077A78
1.5k
R631
0611077B47
1M
R633
0611077B21
82k
R634
1880273N01
Potentiometer
R635
0611077B23
100k
ITEM
MOTOROLA
PART NUMBER
DESCRIPTION
R637
0611077B31
220k (VHF and UHF Bds)
or
0611077B47 1M (800MHz Bd)
R638, 639
0611077A98
10k
R640
0611077B31
220k (VHF and UHF Bds)
or
0611077B47 1M (800MHz Bd)
R641
0611077A43
51
R642
0611077A98
10k
R645
0611077B47
1M
R646, 647
0611077A98
10k
R648
–
Not Placed
R653
0611077B11
33k
INTEGRATED CIRCUIT
MODULE:
See Note 1.
U301
5105835U90
Hybrid, ABACUS (800MHz Bd)
U302
5105469E90
5V Regulator
U600
5180291B09
Reference Oscillator; 16.8MHz
(VHF and UHF Bds)
or
5180291B11 Reference Oscillator; 16.8MHz
(800MHz Bd)
U601
5180057S09
Prescaler
U602
5180057S10
Synthesizer
CRYSTAL:
See Note 1.
Y350
9180084M01
109.65MHz
MISCELLANEOUS:
2605256X01
Shield, Filter
7580094M06
Pad, VF Shock
8405884V02
Circuit Board
ITEM
MOTOROLA
PART NUMBER
DESCRIPTION
LAYER 1 (L1)
LAYER 2 (L2)
LAYER 3 (L3)
LAYER 4 (L4)
INNER LAYERS
LAYER 5 (L5)
LAYER 6 (L6)
MAEPF-18827-A
SIDE 1
SIDE 2
6-LAYER CIRCUIT BOARD DETAIL VIEWING
COPPER STEPS IN PROPER LAYER SEQUENCE
Содержание ASTRO Digital Spectra
Страница 1: ...ASTRO Digital Spectra and Digital Spectra Plus UHF VHF 800 MHz Mobile Radios Detailed Service Manual ...
Страница 2: ......
Страница 6: ...September 5 2008 6881076C25 E iv Document History Notes ...
Страница 20: ...xviii List of Tables September 5 2008 6881076C25 E Notes ...
Страница 24: ...September 5 2008 6881076C25 E xxii CommercialWarranty Notes ...
Страница 48: ...September 5 2008 6881076C25 E xlvi Model Numbering Charts and Specifications Notes ...
Страница 142: ...September 5 2008 6881076C25 E 3 82 Theory of Operation Power Amplifiers Notes ...
Страница 218: ...September 5 2008 6881076C25 E 4 76 Troubleshooting Procedures Power Amplifier Procedures Notes ...
Страница 258: ...September 5 2008 6881076C25 E 6 14 Troubleshooting Waveforms ASTRO Digital Spectra Plus VOCON Board Waveforms Notes ...
Страница 434: ...September 5 2008 6881076C25 E Glossary 10 Notes ...
Страница 440: ...Index 6 September 5 2008 6881076C25 E Notes ...
Страница 441: ......