Haier 42EP25BAT Service

The Haier 42EP25BAT TV has a brightness of 1200cd/m2 for HD and 1500cd/m2 for ED. You can adjust the brightness using the settings menu on your TV.

The Haier 42EP25BAT has several video input options including CVBS1, S-Video1, CVBS2, S-Video2, CVBS3, S-Video3, YPbPr1, and YPbPr2.

The brightness and contrast settings can be adjusted using the STD, Mild, and Vivid modes. For example, in the STD mode, you can set the brightness to 50 and the contrast to 50. In the Vivid mode, you can set the brightness to 70 and the contrast to 60.

The default I2C address for the device is 0x4E/4F.

The pins used for the I2C interface for HiDTV Debug are SDA_MST (pin 2) and SCL_MST (pin 3).

To switch between digital and analog modes, you need to set the TUNER_AD_SW parameter. For digital mode, set TUNER_AD_SW=1. For analog mode, set TUNER_AD_SW=0.

The TS1_D[0..7] pins are likely used for data transmission in the Haier 42EP25BAT. They are part of the TS1 interface, which also includes TS1_CLK, TS1_VAL, and TS1_START pins for clock, validation, and start signals respectively.

The Haier 42EP25BAT has multiple audio outputs including Audio2_L, Audio2_R, Audio3_L, and Audio3_R. These outputs are configured to provide stereo audio signals, with each pair representing left and right channels for different audio sources.