Haier HL32P2 Service Manual

Also see for HL32P2:

31.5″ LCD TV Haier HL32P21ServiceServiceServiceHorizontal Frequency31~75 KHzTABLE OF CONTENTSDescription Page Description PageSAFETY NOTICEANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSISAND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICINGELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING6.4 Key Board………………………..……..……….......236.5 IR Board…………………………..……….…….......247. Adjustment..............................................................258. Block Diagram.…….................................................269. Wiring Diagram.……...............................................2710. Schematic Diagram………..……..………………...2810.1 Main Board…………….…………………...….......2810.2 Power Board………..…....…………...……….......4010.3 LED Board………………...…………..……….......4310.4 Key Board……………….………….………….......4410.5 IR Board……………………………….……….......45Table of Contents.......……....................................…........1Important Safety Notice.......................................……......2Revision List…………………………………………………31. General Specification.................................………........42. Operating Instructions…………………….……...….......63. Input/Output Specification…………......................…....74. Mechanical Instructions……………………...................95. Repair Flow Chart ………………………………………126. PCB Layout …………...………………………………...176.1 Main Board…………..…………………...…….….......176.2 Power Board……..…………..………….…..…….......196.3 LED Board………………...……..……..………..........23All manuals and user guides at all-guides.comall-guides.com

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Frequently asked questions

The power consumption of the Haier HL32P2 TV is 150W.

First, check if the AC input is connected and the power is turned on. If the power is on, check if the power board is outputting 5V. If it is, check the IR board and LED. If the IR board is faulty, replace it. If the power board is not outputting 5V, replace the power board. If the main board is faulty, replace the main board.

To troubleshoot the power issue, follow these steps: 1. Ensure the AC input is connected and the power is turned on. 2. Check if the power board is outputting 5V. 3. If the power board is outputting 5V, check the IR board and LED. 4. If the IR board is faulty, replace it. 5. If the power board is not outputting 5V, replace the power board. 6. If the main board is faulty, replace the main board.

If your Haier HL32P2 TV has no display and the LED is blue, first check if the TV is under control and power on/off by remote control and power key. If it is, check if the backlight is 'On'. If the backlight is on, check the LVDS cable and ensure the B/L signal is available. If the LVDS cable is not properly connected, reinsert or replace it. If the issue persists, check the power board output and the main board for any faults and replace them if necessary.

To enter the factory mode on your Haier HL32P2 TV, turn on the TV, press 'Menu', then press the number keys 1, 9, 9, 9, and 'ENTER'. This will take you to the factory mode.

The HDMI inputs on the Haier HL32P2 are used to connect external devices such as Blu-ray players, gaming consoles, or other HDMI-enabled devices. They support 100 Ohm Differential Pairs and include various pins for data transmission, control, and power.

To troubleshoot issues with the HDMI inputs, ensure that all connections are secure and that the external devices are functioning properly. Check the pins and components listed in the manual, such as HDMI_CEC, HDMI_HPD, and VCC5D, for any signs of damage or malfunction. If issues persist, consult a professional technician for further assistance.

The AUD_SHDN component is part of the audio amplifier circuit and is likely used to control the shutdown or standby mode of the audio amplifier.

The 'PDIM' component is likely related to power management or dimming functionality, but the specific details are not provided in the given content.

The LED board of the Haier HL32P2 includes several components such as VCC, L301, CONN, C301, RED, BLUE, LED_B, LED_R, 0.1uF, CN301, R303, R304, L302, L303, Q302, Q301, and R301. These components are labeled with specific designations and values, such as 0R05 1/10W for resistors and 220 OHM 1/10W for resistors, and MMBT3904 for transistors.

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