BQCC 7805C 1 Din 4.1" IPS Touch Screen Car MP5 Player User Manual

1. Important Safety Information & Pre-Installation Test

Thank you for purchasing the BQCC 7805C Car MP5 Player. Before proceeding with installation, please read this manual carefully to ensure correct operation and prevent damage. Due to potential impacts during transit, it is crucial to test the unit before full installation.

Pre-Installation Test Method:

1. Connect the red and yellow wires of the player's power cord together to the positive terminal of a 12V DC car battery.
2. Connect the black wire of the player's power cord to the negative terminal of the battery.
3. Wait for approximately 10 seconds.
4. Press each button on the unit to verify that it powers on and functions normally.
5. If the unit powers on and responds to button presses, it is ready for installation. If it does not power on, re-check your connections according to these steps. If the issue persists, contact support.

Warning: Improper installation can lead to damage to the unit or your vehicle's electrical system. If you are unsure about any steps, it is recommended to seek professional assistance.

2. Setup and Installation

2.1. Package Contents

Please check that all items are present:

• BQCC 7805C Car MP5 Player Unit
• Remote Control
• Power Cord (Wiring Harness)
• User Manual
• (Optional: Reversing Camera, Plastic Pry Tool)

2.2. Basic Installation Steps

1. Separate the Iron Frame: Carefully detach the metal mounting frame from the main player unit.
2. Insert the Iron Frame: Slide the metal frame into the car's single DIN radio installation slot.
3. Secure the Iron Frame: Use screws to firmly fix the iron frame to the car's dashboard.
4. Install the Main Unit: Gently push the main player unit into the secured iron frame until it clicks into place, ensuring it is flush with the dashboard.

2.3. Wiring Instructions

Refer to the detailed wiring descriptions below. Incorrect wiring can cause damage or malfunction.

2.3.1. ISO Plug Wiring (Power & Speakers)

The main wiring harness connects to the ISO port at the rear of the unit. There are two versions of the B jack (B1 or B2) for power and control, and a standard A jack for speakers.

B1/B2 Jack (Power & Control Connections):

• Red (ACC): Connect to the car's ignition switch (+12V). This provides power when the car is turned on.
• Yellow (BATTERY): Connect to the car's constant +12V power supply. This maintains settings and memory.
• Black (GND): Connect to the car's chassis ground (negative terminal).
• Blue (ANT): Connect to the car's power antenna or amplifier remote turn-on lead.
• Green (ILLUMINATION - B2 only): Connect to the car's illumination wire for button backlighting.
• Brown (KEY - B2 only): Connect to the car's steering wheel control input (if applicable).
• Pink (REVERSE - B2 only): Connect to the car's reverse light positive wire for automatic camera display.
• Orange (BRAKE - B2 only): Connect to the car's parking brake signal wire (if applicable, for video playback safety).

A Jack (Speaker Connections):

• White: Front Left Speaker Positive (+)
• White/Black Striped: Front Left Speaker Negative (-)
• Gray: Front Right Speaker Positive (+)
• Gray/Black Striped: Front Right Speaker Negative (-)
• Green: Rear Left Speaker Positive (+)
• Green/Black Striped: Rear Left Speaker Negative (-)
• Purple: Rear Right Speaker Positive (+)
• Purple/Black Striped: Rear Right Speaker Negative (-)

Important Speaker Notes: Ensure each speaker wire is connected correctly. Do not ground any speaker wire, share speaker wires, or allow them to touch other wires, as this can cause no sound output, sound distortion, or unit overheating.

2.3.2. RCA Plug Description (Audio/Video Inputs/Outputs)

The unit may come with one of two RCA configurations:

Version 1 (4-Hole RCA):

• Right Audio Output (Red)
• Left Audio Output (White)
• Video Output (Yellow)
• Reversing Camera Input (Yellow)
• Radio ANT (Antenna Input)

Version 2 (6-Hole RCA):

• Video Output 1 (Yellow)
• MIC Input (3.5mm Jack)
• Left Audio Output (White)
• Right Audio Output (Red)
• CVBS Input (Yellow)
• Radio Antenna (Input)
• Reversing Video Input (Yellow)
• Video Output 2 (Yellow)

2.3.3. Reversing Camera Installation Method

If you have an optional reversing camera, connect it as follows:

1. Connect the camera's video output cable to the