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Model
SU-HTB570EB SU-HTB570EG SB-HTB570EG SB-HWA570EB SB-HWA570EG SC-HTB570EB SC-HTB570EG SC-HTB570EGS
Pages
127
Size
9.65 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / HOME THEATER AUDIO SYSTEM
File
su-htb570eb-su-htb570eg-sb-htb570eg-sb-hwa570eb-sb.pdf
Date
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Panasonic SU-HTB570EB / SU-HTB570EG / SB-HTB570EG / SB-HWA570EB / SB-HWA570EG / SC-HTB570EB / SC-HTB570EG / SC-HTB570EGS Service Manual ▷ View online

41
11.4.4.
Replacement of Rectifier Diode
(D5802)
• Refer to “Disassembly of SMPS and AC Inlet P.C.B.”.
11.4.4.1. Disassembly of Rectifier Diode
(D5802)
Caution: Handle the SMPS P.C.B. with caution. Avoid 
touching the Heatsink Unit B due to it’s high temperature 
after prolonged use. Touching it may lead to injuries.
Step 1 : Desolder the pins of the Rectifier Diode (D5802) on the
solder side of SMPS P.C.B.. 
Step 2 : Remove 1 screw. 
Step 3 : Remove the Rectifier Diode (D5802) from the Heatsink
Unit B. 
11.4.4.2. Assembly of Rectifier Diode
(D5802)
Step 1 : Apply grease on the Heatsink Unit B. 
Step 2 : Fix the Rectifier Diode (D5802) onto the SMPS P.C.B.. 
Caution: Ensure the pins of Rectifier Diode (D5802) are 
inserted and seated properly on the SMPS P.C.B..
Step 3 : Fix the Rectifier Diode (D5802) onto the Heatsink Unit
B with a screw. 
Caution: Ensure the Rectifier Diode (D5802) is tightly 
screwed to Heatsink Unit B.
Step 4 : Solder the pins of the Rectifier Diode (D5802) on the
solder side of SMPS P.C.B.. 
42
11.4.5.
Disassembly of Main P.C.B.
• Refer to “Disassembly of Top Cabinet”.
Step 1 : Detach 10P Cable Wire at the connector (CN2004) on
the Main P.C.B.. 
Step 2 : Detach 24P FFC at the connector (CN2005) on the
Main P.C.B.. 
Step 3 : Detach 13P FFC at the connector (CN2002) on the
Main P.C.B.. 
Step 4 : Detach 5P Wire at the connector (CN2003) on the
Main P.C.B.. 
Step 5 : Detach 26P FFC at the connector (CN2000) on the
Main P.C.B.. 
Step 6 : Remove 4 screws. 
Step 7 : Remove 3 screws. 
Step 8 : Slightly lift up to remove the Main P.C.B.. 
Caution : During assembling, ensure that the Main P.C.B. is 
inserted and seated properly onto the 2 locators of the Bot-
tom Chassis.
43
11.4.6.
Disassembly of HDMI P.C.B.
• Refer to “Disassembly of Top Cabinet”.
Step 1 : Detach 26P FFC at the connector (CN1000) on the
HDMI P.C.B.. 
Step 2 : Remove 2 screws. 
Step 3 : Remove 2 screws. 
Step 4 : Release the catch on the right side of the Rear Panel. 
Caution: During assembling, ensure that the Rear Panel is 
catched properly onto the Bottom Chassis.
Step 5 : Remove the HDMI P.C.B.. 
Caution: During assembling, ensure that the HDMI P.C.B. is 
inserted and seated properly onto the 2 locators of the Bot-
tom Chassis.
44
11.4.7.
Disassembly of Rear Panel
• Refer to “Disassembly of Top Cabinet”.
Step 1 : Remove 10 screws. 
Step 2 : Lift up the AC Inlet P.C.B.. 
Caution: During assembling, ensure that the AC Inlet 
P.C.B. is inserted properly into the guide.
Step 3 : Release the catches on the both side of the Rear
Panel. 
Caution: During assembling, ensure that the Rear Panel is 
catched properly onto the Bottom Chassis.
Step 4 : Remove the Rear Panel. 
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