TX28XDP3L – TX25XDP3L – CTV – SERVICE MODE _ Power Supply Regulator Circuit; using control IC TDA4601
* Set the bass to maximum position; set the treble to minimum position, press the Reveal button on the remote control and at the same time press the Volume Down button on the customer controls at the front panel of the TV.
* This will place the TV into the Service Mode.
* Press Red / Green buttons to step Down / Up through the functions.
* Press Yellow / Blue buttons to change the function values.
* Press the Store button on the preset panel after each adjustment has been made to store the required values.
To Exit the Service Mode, press the Normalization button.USING MEMORY PACK
SELF CHECK MODE
Self check is used to automatically check the Bus Lines and Hexadecimal code of the TV set.
To enter the self check mode, press Function Down button on the preset panel, and Status button on the remote control simultaneously.
When exiting Self Check the customer settings will return to Factory Set-up.
SELF CHECK DISPLAY
If the CCU ports have been checked and found to be incorrect ‘__’ will appear in place of ‘OK’.
Power supply regulator section circuit. TDA4601 as power control
CLICK ON THE PICTURES TO MAGNIFY
