KX-TCD961GB - Panasonic Telephone Service Manual (repair manual). Page 16

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KX-TCD961GB
16
HOW TO REPLACE THE RF UNIT OF HANDSET
When replacing the P.C. Board No. PQUP10927ZB and
PQUP10927YA, the hotmelt removing and putting operation
is required.
1.  Cool the P.C. Board in the freezer for 10 minutes, then
remove the hotmelt of the hatched parts in Fig. 16 with
the tip of minus screwdriver.
2. Remove the solder of each pin on RF unit, then remove
the RF unit from the P.C. Board.
3. After soldering the new RF unit on the P.C. Board surely,
put the hotmelt on the hatched part in the Fig. 16.
4. Note:
Above-mentioned hotmelt removing and putting opera-
tion is only for the P.C. Board No. PQUP10927ZB and
PQUP10927YA.
5. There is no need of the hotmelt removing and putting
operation for the PC Board No. PQUP10927ZC.
Don’t put hotmelt here.
Hotmelt
Hotmelt
RF unit
RF unit
Hotmelt
P.C.Board No.
PQUP10927ZB or
PQUP10927YA
P.C.Board 
Fig. 16 
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