Kenwood TK-5310 K4 Service Manual page 12

TK-5310
■ Removing the top panel from the chassis.
1. Remove the volume knob
2. Remove the concentric switch knob
3. Remove the volume torque-up packing
tweezers.
4. Remove the nuts from the volume knob, channel knob
and antenna receptacle.
5. Remove the top panel
Notes:
• Before removing the top panel, set the lever switch to the
"-" position (circle painted in white)
• 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.
■ Removing the TOP PCB (X57-725 C/5) from the
chassis.
1. Remove the two screws
2. Lift the TOP PCB and remove the VOL/CH FPC
CONTROL-TOP FPC
CN903) of the TOP PCB.
12
DISASSEMBLY FOR REPAIR
ç √
and channel knob
∫
.
~
using a pair of
µ
.
≤
.
ç
≤
~
∫
µ
O-ring
≥
.
21 from the two connectors (CN902,
≥
TOP PCB
≥
CN902
÷
21
CN903
Precautions for Reassembly
.
■ Installing the VOL/CH FPC and CONTROL-TOP
FPC on the TOP PCB
1. Remove the volume
chassis.
2. Position the coaxial cable connecting the ANT PCB and
TX-RX PCB as shown in the figure below.
CONTROL-TOP
FPC
√
3. Pass the coaxial cable
through the round hole of the hardware fixture
insert it into the coaxial connector (MAIN (CN204)) of the
TX-RX PCB.
÷
and
4. Pass the volume, channel switch, VOL/CH FPC and
CONTROL-TOP FPC through hardware fixture holes, then
bring the hardware fixture into contact with the chassis
and fix it with a screw
Note:
The projections of the volume and channel switch pedes-
tals must protrude from the square holes of the hardware
fixture.
5. Fix the antenna receptacle with the two screws
6. Fix the hardware fixture with a screw
z
and channel switch
z
x
VOL/CH FPC
Aline the coaxial cable
connecting the ANT PCB and
TX-RX PCB as shown in the figure.
c
of the antenna receptacle
v
MAIN
c
(CN204)
b
.
m
.
b
m
n
x
from the
The projection
of the volume
pedestal
The projection of
the channel
switch pedestal
v
, then
n
.