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Model
SA-BTT190EB SA-BTT190EG SA-BTT190EP SA-BTT190GN SA-BTT195EE SA-BTT195EP SC-BTT195EEK
Pages
127
Size
10.63 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / BLU-RAY DISC HOME THEATER SOUND SYSTEM
File
sa-btt190eb-sa-btt190eg-sa-btt190ep-sa-btt190gn-sa.pdf
Date
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69
Step 5 Remove the Switching Regulator Unit in the direction of
arrow.
Caution: Avoid touching the Switching Regulator Unit due
to its high temperature after prolonged use. Touching it
may lead to injuries.
Step 6 Remove 1 screw from the Switching Regulator IC
(IC5701).
Step 7 Remove the Switching Regulator IC (IC5701) from the
Heatsink A.
Note:  Refer to the diagrams of SMPS P.C.B. (Item 19.4) for
location of the part.
12.17.2. Assembly of Switching Regulator
IC (IC5701)
Step 1 Apply Grease to the back of Switching Regulator IC
(IC5701).
Step 2 Fix and screw the Switching Regulator IC (IC5701) to
the Heatsink A.
Caution: Ensure that the Switching Regulator IC (IC5701) is 
properly fixed and fully screwed onto Heatsink A.
Step 3 Fix the Switching Regulator Unit onto SMPS P.C.B..
Caution: Ensure that Switching Regulator Unit is properly 
seated on SMPS P.C.B..
70
Step 4 Solder pins of the Switching Regulator IC (IC5701) on
the solder side of SMPS P.C.B..
Step 5 Solder pins of the Diode (D5702) on the solder side of
SMPS P.C.B..
Step 6 Solder pins of the Heatsink A.
12.18. Replacement of Diode (D5702)
• Refer to “Disassembly of Top Cabinet”.
• Refer to “Disassembly of SMPS P.C.B.”.
12.18.1. Disassembly of Diode (D5702)
Step 1 Place SMPS P.C.B. on an insulated material.
Step 2 Desolder pins of the Switching Regulator IC (IC5701) on
the solder side of SMPS P.C.B..
Step 3 Desolder pins of the Diode (D5702) on the solder side of
SMPS P.C.B..
Step 4 Desolder pins of the Heatsink A.
71
Step 5 Remove the Switching Regulator Unit in the direction of
arrow.
Caution: Avoid touching the Switching Regulator Unit due
to its high temperature after prolonged use. Touching it
may lead to injuries.
Step 6 Remove 1 screw from the Diode (D5702).
Step 7 Remove Diode (D5702) from the Heatsink A.
Note:  Refer to the diagrams of SMPS P.C.B. (Item 19.4) for
location of the part.
12.18.2. Assembly of Diode (D5702)
Step 1 Apply Grease to the back of Diode (D5702).
Step 2 Fix and screw the Diode (D5702) to the Heatsink A.
Caution: Ensure that Diode (D5702) is properly fixed and 
screwed onto Switching Regulator Unit.
Step 3 Fix the Switching Regulator Unit onto SMPS P.C.B..
Caution: Ensure that Switching Regulator Unit is properly 
seated on SMPS P.C.B..
72
Step 4 Solder pins of the Switching Regulator IC (IC5701) on
the solder side of SMPS P.C.B..
Step 5 Solder pins of the Diode (D5702) on the solder side of
SMPS P.C.B..
Step 6 Solder pins of the Heatsink A.
12.19. Replacement of Diode (D5802)
• Refer to “Disassembly of Top Cabinet.”.
• Refer to “Disassembly of SMPS P.C.B.”.
 
12.19.1. Replacement of Diode (D5802)
Step 1 Place SMPS P.C.B. on an insulated material.
Step 2 Desolder pins of the Diode (D5802) on the solder side of
SMPS P.C.B..
Step 3 Remove 1 screw from the Diode (D5802).
Step 4 Remove the Diode (D5802) from SMPS P.C.B..
Caution: Avoid touching the Heatsink B due to its high 
temperature after prolonged use. Touching it may lead to 
injuries.
Note:  Refer to the diagrams of SMPS P.C.B. (Item 19.4) for
location of the part.
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