SONY WMFX491/ST
Service Manual

Preparations
To Insert Batteries A
1 Slide and open the battery compartment lid, and insert two R6 (size AA) dry batteries with correct polarity.
Replace the batteries with new ones when " e " flashes in the display.

Listening to the Radio B
1 If the HOLD function is turned on, slide the HOLD switch in the opposite direction of the arrow to unlock the controls. 2 Press RADIO ON/BAND to turn on the radio. 3 Press RADIO ON/BAND repeatedly to select AM, FM1, FM2 or FM3. 4 Press TUNING +/� to tune in to the desired station. If you keep pressing TUNING+/� for a few seconds, the Walkman will start tuning to the stations automatically.
To turn off the radio To improve the broadcast reception C � For FM: Extend the headphones/earphones cord (antenna) (FX491) or remote control cord (antenna)
(FX493). If the reception is still not good, press MENU repeatedly to set the cursor to FM MODE in the display. � For AM: Reorient the unit itself. Press x�RADIO OFF.

To emphasize bass sound
Press MENU repeatedly to set the cursor to MB in the display. Then, press SET to turn MB on. With each press, the indications change as follows. MB (MEGA BASS) : emphasizes bass sound No message: off (normal)
Notes � If the sound is distorted with the mode �MB�, turn down the volume of the main unit or select normal mode. � Bass emphasis may not show great effect if the volume is turned up too high.

Playing a Tape

B

1 If the HOLD function is turned on, slide the HOLD switch in the opposite direction of the arrow to unlock the controls. 2 Insert a cassette and press MENU repeatedly to set the cursor to TAPE in the display. Then press SET to select the tape type. No message: normal (TYPE I) METAL: CrO2 (TYPE II) or metal (TYPE IV) 3 Press Y on the main unit, or if using the remote control (FX493 only), press Y (play)�x (stop). Adjust the volume with VOL.
When adjusting the volume on the Walkman (FX493 only) Set the VOL control on the remote control at maximum. When adjusting the volume on the remote control (FX493 only) Set the VOL control on the Walkman slightly above the appropriate level. Note on the cassette holder When opening the cassette holder, press the x (stop) button and make sure the tape is stopped by checking through the cassette window, then slide the OPEN switch. If the cassette holder is opened before the tape is stopped, the tape may loosen and be damaged.

To protect your hearing�AVLS (Automatic Volume Limiter System) function
When you set the AVLS function to active, the maximum volume is kept down to protect your ears. Press MENU repeatedly to set the cursor to AVLS in the display. Then press SET to show � �.
Note � The AVLS setting will be canceled when you replace the batteries.

Presetting Radio Stations
You can store radio stations into the unit�s memory. You can preset up to 32 radio stations, 8 for each FM1, FM2, FM3 or AM bands.

1 Press RADIO ON/BAND to turn on the radio. 2 Press RADIO ON/BAND repeatedly to select AM, FM1, FM2 or FM3. 3 Press ENTER. The frequency digits and a preset number flash in the display. 4 While the frequency digits and the preset number are flashing, tune in to a station you wish to store using TUNING+/�, and select a preset number using PRESET+/�. 5 While the frequency digits and the preset number are flashing, press ENTER.
Notes � If you cannot complete step 4 or 5 while the indications are flashing, repeat from step 3. � If a station is already stored, the new station replaces the old one. To cancel the stored station Follow the procedure above and in step 3, instead of tuning in to a station, press and hold TUNING +/� until �- - - -� is displayed. Press ENTER while �- - - -� is flashing.

Operation on the main unit
To Switch playback to the other side Stop playback Press Y (play)during playback x

Operation on the remote control (FX493 only)
To Switch playback to the other side Stop playback Press Y�x for 2 seconds or more during playback Y�x once during playback

To play the preset radio stations

Other tape operations
To Fast forward* Rewind* Press FF during stop REW during stop

1 Press RADIO ON/BAND to select the band. 2 Press PRESET+/�.
To operate from the remote control (FX493 only)
To turn on the radio, press RADIO ON/BAND�OFF for more than one second (only while the tape is in stop mode). To select the band, press RADIO ON/BAND�OFF for more than one second while the radio is on. To tune in or recall a preset station, press PRESET + or �. To turn off the radio, press RADIO ON/BAND�OFF.

Play the same side from REW during playback the beginning (Auto Play function) Play the other side from FF during playback the beginning (Skip Reverse function)
* For FX493 only: If Y�x on the remote control is pressed during fast forward or rewind, the Walkman switches to playback.

Using Other Functions
To lock the controls
Set the HOLD switch to the direction of the arrow to lock the controls.

To select playback mode
Press MENU repeatedly to set the cursor to MODE in the display. Then press SET to select the desired mode. To play Both sides repeatedly Both sides once from the side facing the cassette holder Select s d

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