I found a error message with kernel 5.4.0-48:

Boot with TV off
switch tv on -> no Sound

#pacmd list-cards
No PulseAudio daemon running, or not running as session daemon.

#aplay -l
**** Liste der Hardware-Geräte (PLAYBACK) ****
Karte 0: PCH [HDA Intel PCH], Gerät 0: ALC892 Analog [ALC892 Analog]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 0: PCH [HDA Intel PCH], Gerät 1: ALC892 Digital [ALC892 Digital]
  Sub-Geräte: 0/1
  Sub-Gerät #0: subdevice #0
Karte 1: NVidia [HDA NVidia], Gerät 3: HDMI 0 [HDMI 0]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 1: NVidia [HDA NVidia], Gerät 7: HDMI 1 [HDMI 1]
  Sub-Geräte: 0/1
  Sub-Gerät #0: subdevice #0
Karte 1: NVidia [HDA NVidia], Gerät 8: HDMI 2 [HDMI 2]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 1: NVidia [HDA NVidia], Gerät 9: HDMI 3 [HDMI 3]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0
Karte 1: NVidia [HDA NVidia], Gerät 10: HDMI 4 [HDMI 4]
  Sub-Geräte: 1/1
  Sub-Gerät #0: subdevice #0

****Sound turns on****

#pacmd list-cards
2 card(s) available.
    index: 0
	name: <alsa_card.pci-0000_01_00.1>
	driver: <module-alsa-card.c>
	owner module: 7
	properties:
		alsa.card = "1"
		alsa.card_name = "HDA NVidia"
		alsa.long_card_name = "HDA NVidia at 0xf7080000 irq 17"
		alsa.driver_name = "snd_hda_intel"
		device.bus_path = "pci-0000:01:00.1"
		sysfs.path = "/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1"
		device.bus = "pci"
		device.vendor.id = "10de"
		device.vendor.name = "NVIDIA Corporation"
		device.product.id = "0fb8"
		device.product.name = "GP108 High Definition Audio Controller"
		device.string = "1"
		device.description = "GP108 High Definition Audio Controller"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card-pci"
	profiles:
		output:hdmi-stereo: Digital Stereo (HDMI)-Ausgabe (priority 5900, available: no)
		output:hdmi-surround: Digital Surround 5.1 (HDMI)-Ausgabe (priority 800, available: no)
		output:hdmi-surround71: Digital Surround 7.1 (HDMI)-Ausgabe (priority 800, available: no)
		output:hdmi-stereo-extra2: Digital Stereo (HDMI 3)-Ausgabe (priority 5700, available: no)
		output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3)-Ausgabe (priority 600, available: no)
		output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3)-Ausgabe (priority 600, available: no)
		output:hdmi-stereo-extra3: Digital Stereo (HDMI 4)-Ausgabe (priority 5700, available: no)
		output:hdmi-surround-extra3: Digital Surround 5.1 (HDMI 4)-Ausgabe (priority 600, available: no)
		output:hdmi-surround71-extra3: Digital Surround 7.1 (HDMI 4)-Ausgabe (priority 600, available: no)
		output:hdmi-stereo-extra4: Digital Stereo (HDMI 5)-Ausgabe (priority 5700, available: no)
		output:hdmi-surround-extra4: Digital Surround 5.1 (HDMI 5)-Ausgabe (priority 600, available: no)
		output:hdmi-surround71-extra4: Digital Surround 7.1 (HDMI 5)-Ausgabe (priority 600, available: no)
		off: Aus (priority 0, available: unknown)
	active profile: <off>
	ports:
		hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "video-display"
		hdmi-output-2: HDMI / DisplayPort 3 (priority 5700, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "video-display"
		hdmi-output-3: HDMI / DisplayPort 4 (priority 5600, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "video-display"
		hdmi-output-4: HDMI / DisplayPort 5 (priority 5500, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "video-display"
    index: 1
	name: <alsa_card.pci-0000_00_1b.0>
	driver: <module-alsa-card.c>
	owner module: 21
	properties:
		alsa.card = "0"
		alsa.card_name = "HDA Intel PCH"
		alsa.long_card_name = "HDA Intel PCH at 0xf7400000 irq 36"
		alsa.driver_name = "snd_hda_intel"
		device.bus_path = "pci-0000:00:1b.0"
		sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card0"
		device.bus = "pci"
		device.vendor.id = "8086"
		device.vendor.name = "Intel Corporation"
		device.product.id = "1c20"
		device.product.name = "6 Series/C200 Series Chipset Family High Definition Audio Controller"
		device.form_factor = "internal"
		device.string = "0"
		device.description = "Eingebautes Tongerät"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card-pci"
	profiles:
		input:analog-stereo: Analog Stereo-Eingabe (priority 65, available: unknown)
		output:analog-stereo: Analog Stereo-Ausgabe (priority 6500, available: unknown)
		output:analog-stereo+input:analog-stereo: Analog Stereo Duplex (priority 6565, available: unknown)
		output:analog-surround-21: Analog Surround 2.1-Ausgabe (priority 1300, available: no)
		output:analog-surround-21+input:analog-stereo: Analog Surround 2.1-Ausgabe + Analog Stereo-Eingabe (priority 1365, available: no)
		output:analog-surround-40: Analog Surround 4.0-Ausgabe (priority 1200, available: no)
		output:analog-surround-40+input:analog-stereo: Analog Surround 4.0-Ausgabe + Analog Stereo-Eingabe (priority 1265, available: no)
		output:analog-surround-41: Analog Surround 4.1-Ausgabe (priority 1300, available: no)
		output:analog-surround-41+input:analog-stereo: Analog Surround 4.1-Ausgabe + Analog Stereo-Eingabe (priority 1365, available: no)
		output:analog-surround-50: Analog Surround 5.0-Ausgabe (priority 1200, available: no)
		output:analog-surround-50+input:analog-stereo: Analog Surround 5.0-Ausgabe + Analog Stereo-Eingabe (priority 1265, available: no)
		output:analog-surround-51: Analog Surround 5.1-Ausgabe (priority 1300, available: no)
		output:analog-surround-51+input:analog-stereo: Analog Surround 5.1-Ausgabe + Analog Stereo-Eingabe (priority 1365, available: no)
		output:iec958-stereo: Digital Stereo (IEC958)-Ausgabe (priority 5500, available: unknown)
		output:iec958-stereo+input:analog-stereo: Digital Stereo (IEC958)-Ausgabe + Analog Stereo-Eingabe (priority 5565, available: unknown)
		off: Aus (priority 0, available: unknown)
	active profile: <output:iec958-stereo+input:analog-stereo>
	sinks:
		alsa_output.pci-0000_00_1b.0.iec958-stereo/#1: Eingebautes Tongerät Digital Stereo (IEC958)
	sources:
		alsa_output.pci-0000_00_1b.0.iec958-stereo.monitor/#1: Monitor of Eingebautes Tongerät Digital Stereo (IEC958)
		alsa_input.pci-0000_00_1b.0.analog-stereo/#2: Eingebautes Tongerät Analog Stereo
	ports:
		analog-input-front-mic: Vorderes Mikrofon (priority 8500, latency offset 0 usec, available: unknown)
			properties:
				device.icon_name = "audio-input-microphone"
		analog-input-rear-mic: Rückwärtiges Mikrofon (priority 8200, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "audio-input-microphone"
		analog-input-linein: Eingang (priority 8100, latency offset 0 usec, available: no)
			properties:
				
		analog-output-lineout: Line-Ausgang (priority 9000, latency offset 0 usec, available: no)
			properties:
				
		analog-output-headphones: Kopfhörer (priority 9900, latency offset 0 usec, available: unknown)
			properties:
				device.icon_name = "audio-headphones"
		iec958-stereo-output: Digitalausgang (S/PDIF) (priority 0, latency offset 0 usec, available: unknown)
			properties: