TK-5210
(
G
)
13
DISASSEMBLY FOR REPAIR
■
Removing the TX-RX PCB (X57-765 A/3) from
the chassis
1. Remove the 14 screws
o
.
2. Remove the universal connector FPC from the TX-RX
PCB connector (CN505)
!0
.
3. Insert the two tips of a pair of tweezers into the two
holes in the bottom of the shield plate of the TX-RX PCB,
firmly squeeze the tweezers to hold the shield plate,
then remove the TX-RX PCB
!1
.
4. Remove the coaxial cables from the connector (MAIN
(CN101), UNIV (CN102) of the TX-RX PCB
!2
.
CN505
MAIN
(CN101)
8
8
8
8
8
8
8
TX-RX PCB
Chassis
Universal
connector FPC
UNIV
(CN102)
■
Removing the top panel from the chassis
1. Remove the volume knob
!3
and channel knob
!4
.
2. Remove the concentric switch knob
!5
.
3. Remove the volume torque-up packing
!6
using a pair of
tweezers.
4. Remove the nuts from the volume knob, channel knob
and antenna receptacle.
5. Remove the top panel
!7
.
Note:
• Before removing the top panel, set the lever switch to
the “
●
” position (circle painted in white)
!8
.
• Each of the volume knob, channel knob and antenna re-
ceptacle on the top panel has an O-ring. Take care not to
lose them after removing the panel.
O-ring
Sheet
■
Removing the TOP PCB (X57-765 B/3) from the
chassis
1. Remove the two screws
!9
.
2. Lift the TOP PCB and remove the VOL/CH FPC
@0
and
CONTROL-TOP FPC
@1
from the two connectors (CN902,
CN903) of the TOP PCB.
CN902
TOP PCB
CN903
Precautions for Reassembly
■
Installing the VOL/CH FPC and CONTROL-TOP
FPC on the TOP PCB
1. Remove the volume
q
and channel switch
w
from the
chassis.
2. Position the coaxial cable connecting the ANT PCB and
TX-RX PCB as shown in the fi gure below.
Aline the coaxial cable
connecting the ANT PCB and
TX-RX PCB as shown in the figure.
CONTROL-TOP
FPC
VOL/CH FPC
The projection
of the volume
pedestal
The projection of
the channel
switch pedestal
:
@
3. Pass the coaxial cable
e
of the antenna receptacle
through the round hole of the hardware fi xture
r
, then
insert it into the coaxial connector (MAIN (CN101)) of the
TX-RX PCB.
MAIN
(CN101)
.
;