Denon AVR-S510BT Service Manual

43
4.2. Power AMP (MAIN UNIT)
No sound is output.
The protector operates.
Is the power transistor open or short-
circuited?
2SB1560/2SD2390
Is the emitter resistance of the power
transistor open?
0.47 Ω
Is the base resistance of the power
transistor open?
4.7 Ω
Is the trimmer potentiometer between the
base of the power transistor open?
1k Ω
Is other transistor trouble?
Is other resistance trouble?
Turn on the power, check that voltage of the section is normal and that idling electric current is
owing.
Replace the power transistor.
Replace the transistor.
Replace the resistance.
Replace the emitter resistance.
Replace the base resistance.
Replace the trimmer potentiometers.
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES

Denon AVR-S510BT Specifications

General

Channels	5.2
Power Output	70 Watts per channel (8 ohms, 20 Hz - 20 kHz, 0.08% THD)
Frequency Response	10 Hz - 100 kHz
Response Bandwidth	10 Hz - 100 kHz
Total Harmonic Distortion	0.08%
Signal-To-Noise Ratio	98 dB
HDMI Inputs	5
HDMI Outputs	1
HDMI Pass-Through	Yes
HDMI Version	2.0
HDCP Version	2.2
Bluetooth	Yes
4K Ultra HD Pass-through	Yes
Audio Decoding	Dolby TrueHD, DTS-HD Master Audio
Wi-Fi	No
Inputs	5 HDMI, 2 digital optical, 2 analog
Outputs	1 HDMI
Dimensions	17.1 in x 12.6 in x 5.9 in
Amplifier Output Details	5 channels