Denon AVR-X2600H Series User Manual

4.2. Power AMP (AMP PCB)
No audio output.
Protection is activated.
Is the power transistor open or short circuited?
2SB1560 / 2SD2390
Is the emitter resistor of the power transistor
open?
0.47 Ω
Is the base resistor of the power transistor open?
22 Ω
Is the trimmer potentiometer between the base of
the power transistor open?
1 k Ω
Are any other transistors faulty?
Are any other resistors faulty?
Turn on the power and, check that the voltage of each part is correct and that there is an idling current.
Replace the power transistor.
Replace the transistor.
Replace the resistor.
Replace the emitter resistor.
Replace the base resistor.
Replace the trimmer potentiometers.
Connect the connectors correctly.
Repair the DIGITAL PCB.
4.3. Analog audio
No audio output.
Is a voltage of ± 7 V supplied to INPUT PCB
CN4006?
Is there an audio signal in INPUT PCB CN401?
Reconnect the connectors correctly.
If the malfunctioning channel and function can be identied, check the corresponding signal path.
Repair the ± 7 V power supply.
Repair the power amplier.
Is the connector correctly connected to the DIGI-
TAL PCB?
When using the protection pass mode, do not connect speakers to the speaker terminals.
YES
NO
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
NO
NO
NO
NO
NO
NO
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
81

Denon AVR-X2600H Series Specifications

General

Channels	7.2
Speaker Impedance	4-16 ohms
HDMI Inputs	8 (1 front)
HDMI Outputs	2
HDCP Support	HDCP 2.3
HDR Support	HDR10, HLG, Dolby Vision
Phono Input	Yes
Digital Audio Inputs	2 Optical, 1 Coaxial
Analog Audio Inputs	4
Bluetooth Version	4.1
Supported Audio File Formats	MP3, WMA, AAC, FLAC, ALAC, WAV, DSD
Multi-Room Audio	HEOS
Voice Assistant Support	Amazon Alexa, Google Assistant, Apple Siri
Supported Audio Formats	Dolby Atmos, Dolby TrueHD, DTS:X, DTS-HD Master Audio
Power Output per Channel	95W (8 ohms, 20Hz - 20kHz, 0.08% THD)
Frequency Response	10Hz - 100kHz
Analog Audio Outputs	2
Other Ports	USB, Ethernet
Speaker Connectors	Binding Posts
Wireless Connectivity	Wi-Fi
Internet Radio Services	TuneIn
Video Support	4K/60Hz
Audio Return Channel (ARC)	Yes (eARC)
Weight	9.5 kg