- Turn the power on. (Use main power on the TV unit.)
- Press [STANDBY], [2], [7], [1], and [MUTE] buttons on the remote control unit in that order within 5 seconds. When entering the service mode, “4” will display at corners of the screen.
Caution: Optical sensors system is used for Tape Start and End Sensor on this equipment. Prepare as described here before starting to service; otherwise, the unit may operate unexpectedly.
Cover Q202 (START SENSOR) and Q201 (END SENSOR) with Insulation Tape or enter the service mode to activate Sensor Inhibition automatically.
Note: Avoid playing, rewinding or fast-forwarding the tape to its beginning or end, because both Tape End Sensors are not active.
POWER SUPPLY [SMPS] SCHEMATIC
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