Kenwood TM-281A Service Manual page 4

TM-281A
6. Pull it out behind the chassis by rotating the bush e of
the DC cord 90 degrees in the direction of the arrow after
the screw q in the negative terminal is removed, and the
positive terminal w is removed from the chassis.
DC cord
2. Precautions for Reassembly
1. Mount the key top and speaker onto the panel assembly.
Then, tighten the two screws q of the Display PCB.
Insert the protrusion area of the key top into the groove
area of the panel assembly using a fl at-head screwdriver.
w
Then, mount the encoder knob e and volume knob r.
4
DISASSEMBLY FOR REPAIR
Speaker
Key top
Panel assembly
Display PCB
2. When mounting the panel assembly, pass the fl at cable
through the hole of the chassis as shown below, then
connect the fl at cable to connector of the panel assembly.
Chassis
3. Fit the panel assembly into the two tabs of the chassis
top side fi rst.
Then, fit the panel assembly into the two tabs of the
chassis bottom side by turning the panel assembly.
3. How to Mount the AF PA IC (IC715)
Solder it onto the TX-RX unit (A/2) so that the AF PA IC
part number label "LA4600" is on the reverse side.
IC715
Pin 1 marker
TX-RX UNIT (X57-8130-XX) (A/2)
: TX-RX section
Component side
Panel assembly
Hole of Panel
the chassis assembly
Chassis
Tabs
Panel assembly