Disassembly Of Smps P.c.b; Replacement Of Switch Regulator Ic (Ic5701) - Panasonic SA-PT960P Service Manual

Step 4 Solder pins of the digital amp IC (IC5400) on the
reverse side of D-Amp P.C.B.
Special Note: Ensure pins of the digital amp IC (IC5400) are
properly seated and soldered on D-Amp P.C.B.
Step 5 Follow (Step 5) to (Step 6) of Item 9.14.1

9.18. Disassembly of SMPS P.C.B.

• • • • Follow (Step 1) to (Step 3) of Item 9.3.
• • • • Follow (Step 1) to (Step 7) of Item 9.13.
Step 1 Move aside Main P.C.B. and position it according to the
diagram shown.
Step 2 Remove 4 screws on SMPS P.C.B.
Step 3 Detach 8P cable at the connector (CN5500) on D-Amp
P.C.B.
Step 4 Detach 11P cable at the connector (CN5802) on SMPS
P.C.B.
Step 5 Remove 8P cable (SMPS P.C.B. to D-Amp P.C.B.) from
the big wire holder.
Step 6 Remove SMPS P.C.B.
Caution: Handle the heatsink unit B with caution due to its
high temperature after prolonged use. Touching it may
lead to injuries.
Special Note: During reassembling procedures, ensure the
P.C.B. is seated properly at the locators.
9.19. Replacement of Switch
Regulator IC (IC5701)
• • • • Follow (Step 1) to (Step 3) of Item 9.3.
• • • • Follow (Step 1) to (Step7) of Item 9.12.
• • • • Follow (Step 1) to (Step 6) of Item 9.18.
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SA-PT960P / SA-PT960PC