Denon AVR-2801/981 User Manual

ADJUSTMENTADJUSTMENT
Tuner SectionTuner Section
CONNECTION DIAGRAM OF MEASURING INSTRUMENTSCONNECTION DIAGRAM OF MEASURING INSTRUMENTS
'' FM FM
'' AM AM
1111
AVR-2801/981AVR-2801/981
T503
IC502
1
12
Pin
GND
AM
AMIF
OUT
OSCILLOSCOPE
1U-3235-5TUNERUNIT
STEREO
MODULATOR
FMSSG
DIGITAL
VOLTMETER
TP102
T502
VR501
VR502
IC502
75Ω
1
1U-3235-5TUNERUNIT
FM/MPX ALIGNMENT
Input Output Adjust
Step
Alignment
Item
Tuning
Frequency
Setting
Type
Frequency
Input Level
Modulation
Coupling Type
Connect to
Points Adjust to
Remarks
1
Tuning Center
98.1 MHz FM SSG 98.1 MHz 60 dBµ None
Antenna
Terminal
Digital
Voltmeter
TP102 T502 ± 50mV
Function : FM
Mode : Auto
2
Separation
98.1 MHz FM SSG 98.1 MHz 60 dBµ
Stereo (L)
1KHz 100%
Antenna
Terminal
AC
Voltmeter
AUDIO
OUT
Terminal (R)
VR502
Maximum
Separation

3
Signal Level
98.1 MHz FM SSG 98.1 MHz 20 dBµ Off
Antenna
Terminal
  VR501
Light
“TUNED”
FLD
Character

AM ALIGNMENT
Output Adjustment
Step
Alignment
Item
Frequency Input
Type
Connect to
Points Adjust to
Remarks
1
IF 
IF SWEEP
(Input level is not over to work A.G.C.)
Oscilloscope
IC502 12Pin
T503
Maximum height and best
symmetry curve
1kHz1kHz
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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Denon AVR-2801/981 Specifications

General

Brand	Denon
Model	AVR-2801/981
Category	Stereo Receiver
Language	English