Transmit And R E C E I ~ Circuit Boards; Tr-200 Instrument Disassembly - Telex TR-200 Service Manual

CHAPTER 3
TRANSMIT AND RECEIVE CIRCUIT BOARDS
TR-200 INSTRUMENT 4. Unplug the battery and audio cables from the
DISASSEMBLY
P.C. board assembly.
5.
Lift the P.C. board assembly clear of the rear
1. Remove battery door and remove batteries. case.
2. Remove
3 each #4 and 1 each #2 socket head
6. Unsolder the transmit and receive antenna
screws from the back of the unit
wires and remove the connector assembly.
i
3. Turn the TR-200 overand remove the front case
7.
Unsolder shield tabs (3 places on transmit
half.
board and 3 places on receive board) and
NOTE: When refitting the case front the volume
separate transmit and receive boards.
control knob must be positioned so that the pins and
8. Reassembly is the reverse of ihe above proce-
slots mate properly. dures.
I
Mechanical Parts
Receive ( 879977-*)
Transmit (879976-*)
Item No.
1
Description
Membrane Plate
Volume Knob
Transmit PCB Assembly
Stub, li4 Turn
Retainer
Cap Screw, #4 - 40 x 3/8", slotted
Cap Screw, #2
-
56
x
5/8", slotted
Case-L*bel
~ - - - ~
~ ~
Retainer
Strain Relief
Receive PCB Assembly
I
16
I
Battery Clip
17
L . E . D . R ~ ~
1
18
1
Choke, 1.2 uH
.
.
19 Terminal
I
E I
Audio Coax
Ground Shield
Part No.
450464- 1
51847003
58714000
650270
640063-2
64211005
802239
810102
810103
970010-1
810101
450462
470630
450521
96590002
470620
1506243
810225
96599000
96605000
40055-3
Item No.
22
23
24
25
26
27
28
- 2 9 -
30
3 1
32
33
34
35
36
37
38
39
40
41
42
Description
Sprocket
'Screw, #2
-
56 x 1 18' flat head
L. E. D.,
Green
IDS connector, 4 pin
IDS Cable Assembly
Wue Harness Assembly
FCC LBbel
BattevP-ackGushion
~~
Battery Clip Cushion
Insulator Shield
Foam Strip
Board spacer, biva
Board Spacer
Nylon Snap Rivet, Black
Case, Front Assembly
Case, Back Assembly
Telex Label
Keypad
Connector Plate
Beltclip Assembly
4 Pin
XLR,
Male