Chapter 4 Schematic Diagrams, Overlays, And Parts Lists; Figure 4-3. Cdm1550•Ls+ Control Head Schematic Diagram - Motorola CDM1550 LS+ Detailed Service Manual

Schematic Diagrams, Overlays, and Parts Lists
, _ _ WABIS_ _ _
_ ~M30l> __
n 1 ll !. 4
3 2 110
ANALOG_INPUT_2 J0811-10
FLT_A+ J0811-1
5V J0811-2
HOOK J0811-3
Microphone Interface
5V ~
AN(0:4)
:>-------~~~Z-----4-----j---f-------j--_.---r---------<•K FLT_A+
=>------~AA~L------------------4-----4--------1---------_.·----------------~ sv
:>-------------------------------------~~-,----,_
________________________
~~H OOK
GROUND J0911-4
:----jlo
R~ l ~
MIC JOB11-5
:>--------'\M.--...--------------f-----11--------,r----------J~
MIC
PTT_IRDECODER J0811-6 AUB
1
II PTT_IRDEC
BUS+ J0811-7 :nO
~ BUS+
HANDSET_AUDIO J0811-8 ( HANDSET_AUDIO
ANALOG_INPUT_3 JOB11-9
ON/OFF Section
001121
RESET
TP0633
AN(04)
J0801
CONTROLHEAD
CONNECTOR
=----ll•
>----jlo
Transceiver Interface
JOB01·14
J0801-13
JOB01-12
J0801-11
J0801-10
:
:>- - - - - - - -- - - - . - ---<<(SCI_ TX
::-~-----!~
P0801-1
1
C0808
I
92pF
> - - - - - -
P0801-2 NU
J0901-9
=----ll•
J0801-8
J0801-7
J0801-6
J0801-5
J0801-4
J0801-3
J0801-2
J0801-1 ~
r
C0807
470pF
" 5
~
H
v
ANOSET_AUDIO
BUS+
( M IC
LT_A+ ~ F
N_OFF _CONTROL
I
1 1
°
-
-'-
I I I I I
cMoo c08os c08o4 c0'8o3 chiio2
41~)1?1= 82pF 470pF 470pF A7upt-
N N U
Controller Section
ZWG0130241
HDil4? flf.l84•t
•171< 10K
CH_KP _10(0:7)
~
LED_CNTRL{0:9)
Status LED
FLT_A+»--------,-----~-----,
00880 00879
y911ow
lfil'
\lreen
SV >·~~f-~~--------~----~----~~----,
ROBSO
47K
NU
CO N fROL HEAD ID
-
~1152
-
~Q86~ ~0954
1$
~
-.t'
KEYPAD 10
4-5
Figure 4-3. CDM1550•LS+ Control Head Schematic Diagram