Panasonic SA-XH170EB Service Manual page 61

Step 3 Lift up D-Amp P.C.B. as arrow shown.
Caution: Keep the Heatsink Spacers in safe place. Avoid
denting it, place it back during assembling.
Step 4 Desolder the pins of Digital Amplifier IC (IC5100).
Step 5 Remove Digital Amplifier IC (IC5100).
Note 1: For disassembling of Digital Amplifier IC(IC5200) &
(IC5300), repeat (Step 1) to (Step 5) of 12.14.1.
Note 2: Refer to diagram of D-Amp P.C.B. (item 18.3) for loca-
tion of part.
12.14.2. Assembly of Digital Amplifier IC
(IC5100/IC5200/IC5300)
Step 1 Fix the Digital Amplifier IC (IC5100) onto the D-Amp
P.C.B..
Step 2 Solder the pins of Digital Amplifier IC (IC5100).
Caution: Ensure that the pins of Digital Amplifier IC
(IC5100) is positioned correctly on D-Amp P.C.B. before
soldering.
Step 3 Fix Heatsink spacers onto D-Amp Heatsink.
Caution: Ensure that Heatsink Spacers are properly
located and seated flatly onto D-Amp Heatsink.
Step 4 Apply grease to the D-Amp Heatsink as indicate in the
diagram.
Caution: Ensure Grease thickness is 0.2mm.
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