Kenwood TK-5210G Service Manual page 13

■ 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 .
TX-RX PCB
Chassis
■ 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.
DISASSEMBLY FOR REPAIR
UNIV
(CN102)
MAIN
(CN101)
CN505
Universal
connector FPC
Sheet
O-ring
TK-5210
■ 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.
TOP PCB
CN902
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.
CONTROL-TOP
FPC
VOL/CH FPC
Aline the coaxial cable
connecting the ANT PCB and
TX-RX PCB as shown in the figure.
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)
( G )
CN903
The projection
of the volume
pedestal
The projection of
the channel
switch pedestal
13