10.10. Disassembling the AC Inlet,
Power & Sub power P.C.B
·
Follow the (Step 1) to (Step 4) of Item 10.6.
·
Follow the (Step 1) to (Step 4) of Item 10.7.
Step 1
Remove 2 screws. (side fan unit)
Step 2
Detach fan unit. (CN5714)
Step 3
Remove the 2 tie wraps (used for black/red wires
between AC Inlet P.C.B. and Power P.C.B.) to the side of
bottom chassis.
Step 4
Remove shield.
Step 5
Remove 4 screws.
Step 6
Detach the FFC cables from connectors (CN5701,
CN5708, CN5050).
Step 7
Remove the AC Inlet, Power & Sub power P.C.B.
Caution: Remember to use tie wraps to tie the black/red
wires to the side of bottom chassis after repair or
troubleshooting.
10.11. Disassembly of Digital Amp IC
·
Follow (Step 1) to (Step 7) of Item 10.10.
Step 1
Desolder all IC5000, IC5200, IC5300 pins.
Step 2
Release the claws.
Step 3
Remove the D. Amp IC.
Note:
Refer to the diagrams of Power P.C.B. (Section 19.3) for
location of the parts.
10.12. Disassembly of Regulator IC
·
Follow (Step 1) to (Step 7) of Item 10.10.
Step 1
Desolder all pins of D5711, D5712, D5716, Q5740.
Step 2
Desolder 2 pins of Regulator IC.
Step 3
Remove the Regulator IC.
Note:
Refer to the diagrams of Power P.C.B. (Section 19.3) for
location of the parts.
10.13. Disassembly of Switch
Regulator IC (IC5701)
·
Follow (Step 1) to (Step 7) of Item 10.10.
Step 1
Desolder all pins of IC5701.
Step 2
Desolder 2 pins of Switch Regulator IC.
Step 3
Remove the Switch Regulator IC.
40
SA-HT640WP / SA-HT640WPC
Summary of Contents for SA-HT640WP
Page 7: ...7 SA HT640WP SA HT640WPC ...
Page 10: ...10 SA HT640WP SA HT640WPC ...
Page 16: ...16 SA HT640WP SA HT640WPC ...
Page 19: ...8 2 Detail Block Diagram Receiver module 19 SA HT640WP SA HT640WPC ...
Page 31: ...31 SA HT640WP SA HT640WPC ...
Page 45: ...Step 3 Push tray assembly to the direction of arrow shown 45 SA HT640WP SA HT640WPC ...
Page 58: ...SA HT640WP SA HT640WPC 58 ...
Page 66: ...SA HT640WP SA HT640WPC 66 ...
Page 68: ...68 SA HT640WP SA HT640WPC ...
Page 78: ...SA HT640WP SA HT640WPC 78 ...
Page 84: ...SA HT640WP SA HT640WPC 84 ...
Page 86: ...SA HT640WP SA HT640WPC 86 ...
Page 95: ... SMPS stands for switching mode power supply 95 SA HT640WP SA HT640WPC ...
Page 102: ...21 3 4 2 Receiver Module P C B 102 SA HT640WP SA HT640WPC ...
Page 104: ...23 Explode Views 23 1 Cabinet Parts Location 104 SA HT640WP SA HT640WPC ...
Page 105: ...105 SA HT640WP SA HT640WPC ...
Page 106: ...106 SA HT640WP SA HT640WPC ...