# McDonald's Translite - Blank Screen Troubleshooting
This workflow guides you through troubleshooting a blank screen issue on McDonald's Translite devices.
```json
{
"flowchart": {
"title": "McDonald's Translite - Blank Screen Troubleshooting",
"start": "device_online_check",
"steps": {
"device_online_check": {
"question": "Is the device online?",
"type": "decision",
"branches": {
"no": {
"action": "Go to on-site troubleshooting",
"next": "onsite_remote_control_check"
},
"yes": {
"next": "reboot_via_man3_check"
}
}
},
"reboot_via_man3_check": {
"question": "Can you reboot via man3?",
"type": "decision",
"branches": {
"no": {
"next": "restart_software_via_man3_check"
},
"yes": {
"action": "Reboot via man3",
"next": "content_restored_after_reboot"
}
}
},
"content_restored_after_reboot": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "restart_software_via_man3_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"restart_software_via_man3_check": {
"question": "Can you restart software via man3?",
"type": "decision",
"branches": {
"no": {
"next": "rs232_connection_check"
},
"yes": {
"action": "Restart software via man3",
"next": "content_restored_after_software_restart"
}
}
},
"content_restored_after_software_restart": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "rs232_connection_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"rs232_connection_check": {
"question": "Does the device have RS232 connection?",
"type": "decision",
"branches": {
"no": {
"next": "static_ip_check"
},
"yes": {
"action": "Go to RS232 troubleshooting branch",
"next": "rs232_input_source_check"
}
}
},
"rs232_input_source_check": {
"question": "Is the input source correct?",
"type": "decision",
"branches": {
"yes": {
"next": "rs232_tv_power_check"
},
"no": {
"action": "Change input to correct source",
"next": "content_restored_after_input_change"
}
}
},
"content_restored_after_input_change": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "rs232_tv_power_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"rs232_tv_power_check": {
"question": "Is TV power on True?",
"type": "decision",
"branches": {
"yes": {
"next": "rs232_brightness_check"
},
"no": {
"action": "Turn TV power on to true",
"next": "content_restored_after_tv_power"
}
}
},
"content_restored_after_tv_power": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "rs232_brightness_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"rs232_brightness_check": {
"question": "Is the screen brightness above 60%?",
"type": "decision",
"branches": {
"yes": {
"action": "Go to Nexus Check Branch",
"next": "static_ip_check"
},
"no": {
"action": "Turn screen brightness up",
"next": "content_restored_after_brightness"
}
}
},
"content_restored_after_brightness": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"action": "Go to Nexus Check Branch",
"next": "static_ip_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"static_ip_check": {
"question": "Does the device have a static IP address?",
"type": "decision",
"branches": {
"no": {
"next": "nexus_content_scheduled_check"
},
"yes": {
"action": "Remove IP address",
"next": "content_restored_after_ip_removal"
}
}
},
"content_restored_after_ip_removal": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "nexus_content_scheduled_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"nexus_content_scheduled_check": {
"question": "Is there content scheduled on nexus?",
"type": "decision",
"branches": {
"yes": {
"next": "power_schedule_check"
},
"no": {
"action": "Message PMs to schedule content for screen",
"next": "content_restored_after_pm_message"
}
}
},
"content_restored_after_pm_message": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "power_schedule_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"power_schedule_check": {
"question": "Is the power schedule correct?",
"type": "decision",
"branches": {
"yes": {
"next": "restart_clear_content_check"
},
"no": {
"action": "Message PMs to amend power schedule",
"next": "content_restored_after_schedule_amend"
}
}
},
"content_restored_after_schedule_amend": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "restart_clear_content_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"restart_clear_content_check": {
"question": "Can you restart and clear content via man3?",
"type": "decision",
"branches": {
"no": {
"action": "Go to on-site troubleshooting",
"next": "onsite_remote_control_check"
},
"yes": {
"action": "Restart and clear content via man3",
"next": "content_restored_after_clear"
}
}
},
"content_restored_after_clear": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"action": "Go to on-site troubleshooting",
"next": "onsite_remote_control_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"onsite_remote_control_check": {
"question": "Does the store have a remote control?",
"type": "decision",
"branches": {
"no": {
"next": "screen_soc_check"
},
"yes": {
"action": "Go to Remote Control Troubleshooting Branch",
"next": "ir_enabled_check"
}
}
},
"ir_enabled_check": {
"question": "Is IR enabled via man3?",
"type": "decision",
"branches": {
"no": {
"action": "Enable IR in Man3",
"next": "turn_screen_on_remote"
},
"yes": {
"next": "turn_screen_on_remote"
}
}
},
"turn_screen_on_remote": {
"action": "Turn screen on using remote control",
"type": "action",
"next": "content_restored_after_remote"
},
"content_restored_after_remote": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "screen_soc_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"screen_soc_check": {
"question": "Is the screen on SOC?",
"type": "decision",
"branches": {
"no": {
"next": "remote_brightness_check"
},
"yes": {
"action": "Go to SOC remote troubleshooting",
"next": "soc_application_relaunch_check"
}
}
},
"remote_brightness_check": {
"question": "Is the screen brightness above 60%?",
"type": "decision",
"branches": {
"yes": {
"next": "input_detect_check"
},
"no": {
"action": "Turn screen brightness up",
"next": "content_restored_after_remote_brightness"
}
}
},
"content_restored_after_remote_brightness": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "input_detect_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"input_detect_check": {
"question": "Is Input detect set to \"first detect\"?",
"type": "decision",
"branches": {
"yes": {
"next": "id_control_check"
},
"no": {
"action": "Update settings",
"next": "content_restored_after_input_detect"
}
}
},
"content_restored_after_input_detect": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "id_control_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"id_control_check": {
"question": "Is ID control set to \"1\"?",
"type": "decision",
"branches": {
"yes": {
"next": "source_input_correct_check"
},
"no": {
"action": "Update settings",
"next": "content_restored_after_id_control"
}
}
},
"content_restored_after_id_control": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "source_input_correct_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"source_input_correct_check": {
"question": "Is the source input correct?",
"type": "decision",
"branches": {
"yes": {
"action": "Go to media player access step",
"next": "media_player_access_check"
},
"no": {
"action": "Change source to correct input",
"next": "content_restored_after_source_change"
}
}
},
"content_restored_after_source_change": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "media_player_access_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"soc_application_relaunch_check": {
"question": "Has the application been re-launched?",
"type": "decision",
"branches": {
"no": {
"action": "Relaunch application",
"next": "content_restored_after_relaunch"
},
"yes": {
"next": "soc_time_date_check"
}
}
},
"content_restored_after_relaunch": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "soc_time_date_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"soc_time_date_check": {
"question": "Is time and date correct?",
"type": "decision",
"branches": {
"no": {
"action": "Amend to correct time and date and relaunch application",
"next": "content_restored_after_time_date"
},
"yes": {
"next": "soc_ip_address_check"
}
}
},
"content_restored_after_time_date": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "soc_ip_address_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"soc_ip_address_check": {
"question": "Is the IP address correct?",
"type": "decision",
"branches": {
"no": {
"action": "Amend to correct IP address and relaunch application",
"next": "content_restored_after_ip_amend"
},
"yes": {
"next": "soc_auto_source_check"
}
}
},
"content_restored_after_ip_amend": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "soc_auto_source_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"soc_auto_source_check": {
"question": "Are the auto-source switching settings correct?",
"type": "decision",
"branches": {
"yes": {
"next": "soc_brightness_check"
},
"no": {
"action": "Correct settings and relaunch application",
"next": "content_restored_after_auto_source"
}
}
},
"content_restored_after_auto_source": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "soc_brightness_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"soc_brightness_check": {
"question": "Is the screen brightness above 60%?",
"type": "decision",
"branches": {
"yes": {
"next": "tv_standby_light_check"
},
"no": {
"action": "Turn screen brightness up and relaunch application",
"next": "content_restored_after_soc_brightness"
}
}
},
"content_restored_after_soc_brightness": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "tv_standby_light_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"tv_standby_light_check": {
"question": "Is the TV stand-by light on?",
"type": "decision",
"branches": {
"no": {
"next": "fuseboard_access_check"
},
"yes": {
"action": "Turn screen on using button on display",
"next": "content_restored_after_display_button"
}
}
},
"content_restored_after_display_button": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "fuseboard_access_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"fuseboard_access_check": {
"question": "Can the store access the isolation/fuseboard switch?",
"type": "decision",
"branches": {
"no": {
"next": "media_player_access_check"
},
"yes": {
"action": "Cycle power at switch",
"next": "content_restored_after_power_cycle"
}
}
},
"content_restored_after_power_cycle": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "media_player_access_check"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"media_player_access_check": {
"question": "Can the store access the media player/Screen?",
"type": "decision",
"branches": {
"no": {
"action": "Raise engineer visit",
"type": "terminal"
},
"yes": {
"action": "Go to Media player/Screen troubleshooting branch",
"next": "power_light_check"
}
}
},
"power_light_check": {
"question": "Is the power light on the device active?",
"type": "decision",
"branches": {
"yes": {
"next": "reseat_cables_step"
},
"no": {
"action": "Reseat power cable",
"next": "content_restored_after_power_reseat"
}
}
},
"content_restored_after_power_reseat": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"action": "Swap power cable with alternative device",
"next": "content_restored_after_power_swap"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"content_restored_after_power_swap": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"action": "Raise engineer visit",
"type": "terminal"
},
"yes": {
"action": "Raise engineer visit to replace PSU",
"type": "terminal"
}
}
},
"reseat_cables_step": {
"action": "Reseat cables to device one at a time",
"type": "action",
"next": "content_restored_after_cable_reseat"
},
"content_restored_after_cable_reseat": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "swap_hdmi_cable_step"
},
"yes": {
"action": "Close - solved",
"type": "terminal"
}
}
},
"swap_hdmi_cable_step": {
"action": "Swap HDMI cable with nearby screen/media player",
"type": "action",
"next": "content_restored_after_hdmi_swap"
},
"content_restored_after_hdmi_swap": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "swap_hdmi_port_step"
},
"yes": {
"action": "Raise engineer visit to replace HDMI cable",
"type": "terminal"
}
}
},
"swap_hdmi_port_step": {
"action": "Swap HDMI port in screen",
"type": "action",
"next": "content_restored_after_hdmi_port_swap"
},
"content_restored_after_hdmi_port_swap": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"next": "swap_power_cable_step"
},
"yes": {
"action": "Raise engineer visit to replace screen",
"type": "terminal"
}
}
},
"swap_power_cable_step": {
"action": "Swap power cable for screen with nearby screen",
"type": "action",
"next": "content_restored_after_screen_power_swap"
},
"content_restored_after_screen_power_swap": {
"question": "Has content been restored?",
"type": "decision",
"branches": {
"no": {
"action": "Raise engineer visit",
"type": "terminal"
},
"yes": {
"action": "Raise engineer visit to replace power cable for display",
"type": "terminal"
}
}
}
}
}
}
```
## Instructions for Use
1. Select McDonald's as the client
2. Select Translite as the device
3. Select Blank Screen as the issue
4. Follow the step-by-step troubleshooting workflow
This workflow will guide you through systematic troubleshooting from remote checks to on-site hardware verification.
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