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Table 4 Repair Parts Required for Printed Circuit Board Replacem ent
Motorola Part
3285203C01
1110027B23
Replacem ent Procedure
Wire Color
Blue
Black
White/Black
Bare
No.
Gasket (Required for Final Assembly of
Amplifier-Loudspeaker)
Gasket Lubricant (Required for Final
Assembly of Amplifier-Loudspeaker)
1. Perform p roced u re titled Initial Disassem bly on p age 5.
In step 2, do n o t discard an y o f th e w ires after th ey are
Note
disco n n ected. All w ires are reused.
2.Refer to Table 5 an d Figu re 4 on p age 8. Usin g a sold erin g iron ,
d iscon n ect th e followin g 11 wires at PCB .
1. Th e six 9-foot cable wires (bare, black, wh ite/ black, blu e, red ,
wh ite) from TP1 th rou gh TP6
2. Th e th ree Volu m e p oten tiom eter lead s (blu e, gray, wh ite)
from TP7 th rou gh TP9
3. Th e two sp eaker wires (black Zip cord con d u ctors) from TP10
an d TP11
3. Refer to Figu re 5 on p age 9. Rem ove th e fou r M3x0.5 m ach in e
screws th at attach PCB to in sid e of rear h ou sin g. Save screws for
u se in step 6.
4. Carefu lly lift PCB straigh t u p an d ou t of rear h ou sin g.
5. Ap p ly a th in layer of th erm al com p ou n d , Motorola p art n o.
1110022A55, to sh ad ed area sh own in Figu re 5.
6. Mou n t n ew PCB to in sid e of rear h ou sin g u sin g th e fou r M3x0.5
m ach in e screws rem oved in step 3. Torq u e screws to 7.5 in ch
p ou n d s (0.848 Newton m eter).
7. Refer to Table 5 an d Figu re 4 on p age 8. Usin g a sold erin g iron ,
recon n ect th e 11 wires to th e new PCB .
8. Perform p roced u re titled Final Reassem bly on p age 15.
Table 5 Printed Circuit Board Connections
From/To Component
9-Foot Cable
9-Foot Cable
9-Foot Cable
9-Foot Cable
Description
Quantity
Required
1
As Required
PCB Terminal
Number
TP1
TP2
TP3
TP4
7
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