Motorola ASTRO Digital Spectra Plus Detailed Service Manual page 266

7-8
MOTOROLA
ITEM DESCRIPTION
PART NUMBER
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
September 5, 2008
MOTOROLA
ITEM DESCRIPTION
PART NUMBER
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
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:
-12
p=10
-9
n=10
-6
µ=10
-3
m=10
3
k=10
6
M=10
4. ITEM refers to the component reference designator.
5. The RF Board Kits use a 6-layer printed circuit board.
6-LAYER CIRCUIT BOARD DETAIL VIEWING
COPPER STEPS IN PROPER LAYER SEQUENCE
SIDE 1
LAYER 1 (L1)
LAYER 2 (L2)
LAYER 3 (L3)
INNER LAYERS
LAYER 4 (L4)
LAYER 5 (L5)
LAYER 6 (L6)
SIDE 2 MAEPF-18827-A
Schematics, Component Location Diagrams and Parts Lists: RF Section
6881076C25-E