Motorola MTR2000 Service Manual page 83

SPIBUS {
TOIFROII SCII
(VIA BACKPLANE)
{
+14.2 Vdc FROII
POWER SUPPLY
+28.8 Vdc FROII
POWER SUPPLY
IPA
DDM
Coupler/LPF
Input Board
Output Board
Circulator
11J(1010
I
11J(1020
403 to 435 MHz 435 to 470 MHz
TLE9150
TIE6321
I
TIE6322
TIE6331
I
TIE6332
TIE6400
TIE6391
I
TIE6392
5884911T04
lOOW PA MODULE
MODEL TTX1010AIITX1020A
r-------------------------------------------------------------------~
I .
I
.
I
.
I
.
I
.
I
.
I
I
.
100W INPUT BOARD
IIOOULATED RF {
F\
FROII EXCITER
~
MODULE
14.2Vdc
t
VOLTAGE
I
TRANSLATOR
SPI BUS (CLOCK & DATA}
+6V
REGULATOR
+14.2Vdc
SOURCE
+6Vdc
SOURCE
+28.8Vdc
SOURCE
L - - - - - - - -
28.8Vdc
INTERMEDIATE
DUAL DEVICE
DIRECTIONAL COUPLER/LOW PASS FILTER
POWER AIIPUFIER
MODULE (DDII)
{IPA) CIRCULATOR
DIRECTIONAL
~ I'-.
COUPLER
Oto tOW
)
LOW PASS
"'
v
FILTER
~
/
I I
500HII
LOAD
- -
100 W OUTPUT BOARD
SPI BUS (CLOCK & DAT.4}
V_OMNI
V_OMNI
---t>
V_RFLD
V CNTL
"'-
V_FWD
I
~
FINAL CURRENT
I UMITSET
V_CNTL
PWRSET
v
AID
DIA
CONVERTER
CONVERTER
ID
PAID A
PAID
FANBMa£2
,H .,...
CIRCUIT PAIDB
t
CHIP
PADACS•
SELECT
FAN SUPPLY
FAN
m FAN ENABLE ENABLE/
FAN\IOL'IiiiGE
l
SUPPLY
_L
~
l
PATEMP PATEMP
-
CHIP
SELECT
PAADCS•
DC FAN
•
-------------------------------------------------------~
1 OOW PA FUNCTIONAL BLOCK DIAGRAM
68P81094E08-A
Functional B D (Sheet 1 of 12)
01/05/97