Motorola MTR2000 Service Manual page 99

RECEIVER 1/F
~
~
)(
c
d
e.
a:
jl
/l
8 ~I 0
~
iii
8
>I
~I
~I
0 rn 0
:il
:!!
Rx_2.1MHz
control_out(0:4)
control_in(0:4)
16.8MHz
2.1MHz
Tx_2.1MHz
5MHz
f - -
REFERENCE
5MHz f - -
control_ln(0:2)
control_out(0:2)
spkr_aud
MIC_IN(0:2)
led_controi(0:4)
Reset_ Switch*
FRONT PANEL 1/F ·
I
;::- ~I 0 0
)(
X
N i i
1-1
~I
J:
e.
:::!i
c
~
I
I
~
=I
~ u.
0
C\1
:il UJ
;I
~ a:
0
u
EXCITER 1/F
'
-
16.8MHz
Rx_Controi_Out(0:9) SP _Control_out(0:11)
Rx_MISO
Ref_Control_in(0:4)
Ref_Control_out(0:4)
Front_Pnl_out(0:2) Backplane_out(0:28)
Front_Pnl_ln(0:2) Backplane_in(0:21)
Ex_Control_out(0:7)
Ex_MISO CONTROL
LEO_Control(0:4) Flash_Pwr_En*
MIC_IN(0:2)
Reset_ Switch*
1.2MHz
I
ODC
2.1MHz
SBI
Rx_Deta(0:1)
1.2MHz
16.8MHz
Backplane_in(O:B)
spkr_aud
Backplane_out(0:13)
MIC_IN(0:2)
Control_in(0:11)
VCO_MOD
REF_MOD
SIGNAL PROCESSING
8
>I
CD
STATION CONTROL MODULES
MODEL TCN6273C
NOTE: Power will
be
distributed
by
global symbols,
and, hence Is not shown
at
this level.
POWER_SYMB
vee
DIGITAL_VCC
vee
L
10_VDC_RX
15V_Sl
Control_ln(0:28)
Control_out(0:21)
Flash_Pwr _En*
Audio_out(O:B)
Audlo_in(0:13)
REF_OSC
r - -
10_VDC_EX
B_VDC
BACKPLANE CONNECTOR
1/F
SCM TOP LEVEL BLOCK DIAGRAM
68P81094E31-B
Schematics (Sheet 5 of 36)
01/05/97