Denon D-A03 User Manual

6
D-A03
ADJUSTMENT


 TUNER SECTION
Connections and adjustment point
AM FMG
AM SG
FM stereo modulator
FM SG
Modulation frequency: 400Hz
Modulation factor: 30%
Test loop antenna
Loop antenna
To TP
To Output Terminal
Digital Voltmeter
Distortion Meter
Separation Meter or
Electronic Voltmeter
To Output Terminal
Antenna Terminal
Rear Panel Side
75 ohms
Coaxial Cable
Modulation frequency: 1kHz
L+R: 90% (67.5kHz Dev.)
Pilot: 10% (7.5kHz Dev.)
75kHz Dev.: 100%
60cm
T401
T404
TUNER PWB
T403 T402
R419
RA25
TC401
FM ALIGNMENT (BAND BUTTON: FM, AUTO)
Input Output
Step
Alignment
Item
Tune-in Point
(Channel Setting)
Measuring
Equipment
Frequency Level Modulation Connect to
Measuring
Equipment
Connect to
Align Part Set Value Remarks
1
FM DC
Balance
98 MHz FM SG 98 MHz
60 dB
µ
1 kHz
75 kHz dev
FM Ant
Te r m i n a l
Digital
Voltmeter
Both Leads
of R425
T404
±
20mV
Align with Mono
Modulation Signal
AM ALIGNMENT (BAND BUTTON: AM)
Input Output
Step
Alignment
Item
Tune-in Point
(channel Setting)
Measuring
Equipment
Frequency Level Modulation Connect to
Measuring
Equipment
Connect to
Align Part Set Value Remarks
E1:522kHz
E3:520 kHz
T403
E1: 1.3±0.2V
E3: 1.0±50mV

1 Band Edge
E1:1611kHz
E3:1710 kHz

Digital
Voltmeter
Both Leads
of R419

Approx.
E1: (7.6±0.5V)
E3: (8.3±0.5V)
No Adjustment
Required
2 IF No Broadcast Area AM SG (900 kHz)
No AGC
Effects
400 Hz 30% Loop Ant
Electronic
Voltmeter
LINE 1
Output
Te r m i n a l
T401
Maximum
Output

3Tracking
E1:603 kHz
E3:600 kHz
AM SG
E1: 603 kHz
E3: 600 kHz
No AGC
Effects
400 Hz 30% Loop Ant
Electronic
Voltmeter
LINE 1
Output
Te r m i n a l
T402
Maximum
Output

4Tracking
E1:1404 kHz
E3:1400 kHz
AM SG
E1: 1404 kHz
E3: 1400 kHz
No AGC
Effects
400 Hz 30% Loop Ant
Electronic
Voltmeter
LINE 1
Output
Te r m i n a l
TC401
Maximum
Output

5 Repeat Steps 3 and 4, and set the output to maximum.

Denon D-A03 Specifications

General

Brand	Denon
Model	D-A03
Category	Stereo System
Language	English