Sony SA-CT290 - Disassembly: Core Components; Bluetooth Module and Main Board Removal; Switching Regulator Removal

HT-CT290/CT291
11
2-5. BLUETOOTH MODULE, MAIN BOARD
2-6. SWITCHING REGULATOR
1 three screws
(+BVTP 3 u 8)
6 two screws
(+BVTP 3 u 8)
3 SWITCHING REGULATOR
3L411W (EXCEPT US, CND, E12)
3L411W-1 (E12)
3L411L (US, CND)
5 insulator
(CG-BAR)
4
1 two screws
(+BVTP 3 u 8)
7 USB board
2 stopper, wiring
• Abbreviation
CND : Canadian model
E12 : 220-240 V AC area in E model
1 wire (flat type) (18 core)
(CN2002)
6 wire (flat type) (7 core)
(CN3000)
2 one screw
(+BVTP 3 u 8)
9 six screws
(+BVTP 3 u 8)
0 one screw
(+B 3 u 5)
qa MAIN board
4 one screw
(+BVTP 3 u 8)
5 holder, BT (CG-BAR)
3 BLUETOOTH module
7 Remove the wire from
stopper, wiring.
8 CN1000 (10P)
stopper,
wiring
SWITCHING
REGULATOR
MAIN board
inductors
:LUHVHWWLQJ
Note: The wire must not touch
the inductor.
Note 2: When the BLUETOOTH module is replaced, refer to
“NOTES ON THE WIRELESS CONNECTION (LINK)
AFTER REPAIRS ARE COMPLETE” on page 5.
Note 1: When the complete MAIN board is replaced, refer to
“NOTES ON THE WIRELESS CONNECTION (LINK)
AFTER REPAIRS ARE COMPLETE” on page 5.