Denon DHT-1312XP User Manual

41
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?
0.47Ω
Is the base resistance of the power
transistor open?
4.7Ω
Is the trimmer potentiometer between the
base of the power transistor open?
1kΩ
Are the zener diode and diode which
are connected with the base of a power
transistor short-circuited?
MTZJ3.3B
1SS133
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.
Replace the zener diode and the diode.
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES

Denon DHT-1312XP Specifications

General

Product color	Black
Volume control	Rotary
RMS rated power	110 W
Recommended usage	Home theatre
Remotely operated	Yes
Audio output channels	5.1 channels
Amplification device type	AV receiver
Amplifier frequency range	10 - 100000 Hz
Signal-to-Noise Ratio (SNR)	98 dB
Total Harmonic Distortion (THD)	0.08 %
Amplification device form factor	Stand-alone
Amplifier dimensions (W x D x H)	434 x 382 x 162 mm
Satellite speaker type	-
Satellite speaker weight	800 g
Number of satellite speakers	2
Satellite speakers RMS power	- W
Satellite speaker frequency range	150 - 20000 Hz
Satellite speaker dimensions (WxDxH)	105 x 150 x 200 mm
Center speaker dimensions (WxDxH)	200 x 150 x 105 mm
Subwoofer weight	11000 g
Subwoofer frequency range	35 - 150 Hz
Subwoofer dimensions (WxDxH)	250 x 420 x 387 mm
Power source	AC
AC input voltage	230 V
AC input frequency	50 Hz
Headphone outputs	1

Weight and Dimensions

Set weight	8900 g