Brand: Haier
Category: Televisions
Document Type: Parts/Service
Language: EN
Brand: Haier
Category: Televisions
Document Type: Parts/Service
Language: EN
Uploaded: Nov. 21, 2025, 6:36 p.m.
Manual Publish Date: 2010-09-19
Use only original manufacturer's replacement parts as listed in this service manual.
| Problem | Troubleshooting Steps | Possible Cause | Solution |
|---|---|---|---|
| No power | Check AC input, power switch status. Verify power board output (5V). Check IR board and LED. | Faulty power board, IR board, or main board. | Replace power board, IR board, or main board. |
| Can't start (LED red) | Check power board output (19V). Verify power key and IR receiver. | Faulty power board, key board, IR board, or main board. | Replace power board, key board, IR board, or main board. |
| Abnormal Display | Reset source, enter factory mode for EEPROM reset. Check main board, LVDS cable, panel. | Incorrect source setting, faulty main board, LVDS cable, or panel. | Reset source, perform factory reset, replace main board, LVDS cable, or panel. |
| No display (LED white) | Check TV control and power. Verify backlight status. Inspect LVDS cable, B/L signal, and panel Vcc. | Faulty main board, LVDS cable, panel, or power board. | Replace main board, LVDS cable, panel, or power board. |
| Sound problem | Check audio source connection and TV system. Verify mute status, volume, and reset menu. Check speaker cable and resistance. | Connection issue, faulty cable, main board, or speaker. | Reinsert/change audio cable, perform factory reset, replace cable, main board, or speaker. |
| Remote control malfunction | Check battery, placement, power. Use other remotes. Check IR board. | Battery issue, faulty remote, IR board, or main board. | Replace battery, remote control, IR board, or main board. |
| OSD is unstable or can't work normally | Check key board connection and buttons. Check key board function. | Improper connection, faulty buttons, key board, or main board. | Reconnect key board, replace button function, replace key board, or main board. |