Replacement Of Digital Amplifier Ic (Ic5100/ Ic5200) - Panasonic SA-BTT350P Service Manual

Caution: During assembling, ensure that D-Amp P.C.B. is
properly located & fully seated onto bottom chassis
assembly.
10.19. Replacement of Digital Ampli-
fier IC (IC5100/IC5200)
• Refer to "Disassembly of D-Amp P.C.B.".
10.19.1. Disassembly of Digital Amplifier IC
(IC5100/IC5200)
Step 1 Place the D-Amp P.C.B. on an insulated material.
Step 2 Remove 3 screws.
Step 3 Lift up the D-Amp P.C.B. as arrow shown.
Caution: Keep the Heatsink Spacer in safe place. Place it
back during assembling.
Step 4 Desolder pins of Digital Amplifier IC (IC5100).
Step 5 Remove Digital Amplifier IC (IC5100).
Note 1: For disassembling of Digital Amplifier IC (IC5200),
repeat the (Step 1) to (Step 6) of Item 10.19.1.
Note 2: Refer to diagram of D-Amp P.C.B. (Item 18.2) for loca-
tion of part.
10.19.2. Assembly of Digital Amplifier IC
(IC5100/IC5200)
Step 1 Fix the Digital Amplifier IC (IC5100) onto the D-Amp
P.C.B..
Step 2 Solder 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 check solderability.
Step 3 Apply grease on the top of the Digital Amplifier IC
(IC5100).
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