52
11.11. Replacement of Switching Reg-
ulator IC (IC5701)
• Refer to “Disassembly of SMPS and AC Inlet P.C.B.”.
11.11.1. Disassembly of Switching Regula-
tor IC (IC5701)
Caution: Handle the SMPS P.C.B. with caution. Avoid
touching the Heatsink Unit A due to it’s high temperature
after prolonged use. Touching it may lead to injuries.
Step 1 :
Desolder the pins of Switching Regulator IC (IC5701)
on the solder side of SMPS P.C.B..
Step 2 :
Remove 1 screw.
Step 3 :
Remove the Switching Regulator IC (IC5701) from the
Heatsink Unit A.
11.11.2. Assembly of Switching Regulator
IC (IC5701)
Step 1 :
Apply grease on the Heatsink Unit A.
Step 2 :
Fix the Switching Regulator IC (IC5701) to the SMPS
P.C.B..
Caution: Ensure the pins of Switching Regulator IC
(IC5701) are inserted and seated properly on the SMPS
P.C.B..
Step 3 :
Fix the Switching Regulator IC (IC5701) onto the Heat-
sink Unit A with a screw.
Caution: Ensure the Switching Regulator IC (IC5701) is
tightly screwed to the Heatsink Unit A.
Step 4 :
Solder the pins of Switching Regulator IC(IC5701) on
the solder side of SMPS P.C.B..
Содержание SC-HTB70P
Страница 24: ...24 ...
Страница 28: ...28 11 2 Types of Screws 11 3 Main Parts Location Diagram ...
Страница 39: ...39 Step 4 Lift up to remove the Sub Chassis Unit ...
Страница 49: ...49 Step 8 Release 1 catch Step 9 Remove the AC Holder ...
Страница 55: ...55 Step 3 Remove 2 screws Step 4 Remove the Button Holder ...
Страница 60: ...60 11 14 2 Assembly of 6P Wire Main Button Step 1 Dressed the 6P Wire into the ribs of the Front Panel Block ...
Страница 88: ...88 Step 13 SMPS P C B and AC Inlet P C B can be checked as diagram shown ...
Страница 92: ...92 Step 17 Main P C B Side A can be checked as diagram shown ...
Страница 94: ...94 Step 13 Main P C B Side B can be checked as diagram shown ...
Страница 98: ...98 Step 17 AUX P C B and Sensor P C B can be checked as diagram shown ...
Страница 101: ...101 Step 6 LED P C B can be checked as diagram shown ...
Страница 102: ...102 ...
Страница 110: ...110 ...
Страница 132: ...132 WF No Q5504 3 PLAY 24Vp p 500nsec div WF No Q5504 5 PLAY 7 0Vp p 500nsec div ...
Страница 136: ...136 ...
Страница 140: ...140 ...