SONY SXA-120
Manual de Servicio

2-3-5. Removal of the HP-65 Board (SX-M700/M100)
Procedure 1. Remove the top panel. (Refer to section, �2-1. REMOVAL OF THE EXTERNAL PANELS�.) 2. Remove the front panel assembly. (Refer to section, �21. REMOVAL OF THE EXTERNAL PANELS�.) 3. Remove the fixing nut securing the headphone jack. 4. Remove the fixing nut securing the volume control potentiometer.
Connector CN1 SX-M700 (from SW-722 board) HP-65 board Headphone jack Connector CN2 (from MT-105 board) SX-M100 (from AA-93 board)

2-3-7. Removal of the VR-237 Board (SX-M700/M100)
Procedure 1. Remove the top panel. (Refer to section, �2-1. REMOVAL OF THE EXTERNAL PANELS�.) 2. Remove the front panel assembly. (Refer to section, �21. REMOVAL OF THE EXTERNAL PANELS�.) 3. Remove the four fixing nuts securing the volume control potentiometers. 4. Disconnect the connectors (CN1, CN2) from the VR-237 board.
VR-237 board

CN1 CN2 Volume control potentimeter
Volume control potentiometer

Fixing nuts
Fixing nuts

2-3-6. Removal of the SW-722 Board (SX-M700) 2-3-8. Removal of the SW-710 Board (SX-M700/M100)
Procedure 1. Remove the top panel. (Refer to section, �2-1. REMOVAL OF THE EXTERNAL PANELS�.) 2. Remove the front panel assembly. (Refer to section, �21. REMOVAL OF THE EXTERNAL PANELS�.) 3. Remove the selector knob. 4. Disconnect the connector (CN1) from the HP-65 board. 5. Remove the fixing nut securing the volume control potentiometer. 6. Disconnect the connector (CN2) from the SW-722 board.
Connector CN1 HP-65 board SW-722 board

Procedure 1. Remove the front panel assembly. (Refer to section, �21. REMOVAL OF THE EXTERNAL PANELS�.) 2. Disconnect the connector (CN1) from the SW-710 board. 3. Remove the two fixing screws (BVTP 3x8) securing the SW-710 board.

Volume control potentiometer Connector CN2 (from AA-93 board) Fixing nuts

Connector CN1 (from CPU-181 board) Screws (2 pcs) BVTP 3x8 SW-710 board

Selector knob

2-12(E)

SX-M700