Tuner Section - Denon AVR-1882 Service Manual

ADJUSTMENT

Tuner Section

CONNECTION DIAGRAM OF MEASURING INSTRUMENTS
FM
FM ALIGNMENT
Tuning
Alignment
Step Frequency
Item
Setting
Center 98.1MHz
1
Adjustment (98.0MHz)
98.1MHz
2 Distortion
(98.0MHz)
3
98.1MHz
4 Signal Level
(98.0MHz)
AM
AM ALIGNMENT
Alignment
Step Frequency
Item
999 (1000)
1 Signal Level
kHz
T402 T403
R471
IC402
VR402
TUNER B'D
Input
Input
Type Frequency Modulation
Level
FM SSG 98.1MHz 60dBµ
FM SSG 98.1MHz 60dBµ
1kHz 100%
Repeat Steps 1 and 2
FM SSG 98.1MHz 20dBµ
T402 T403
R471
VR401
TUNER B'D
Output
Input
Type

AM SSG
STEREO
MODULATOR
75ohm
FM SSG
Digital
Voltmeter
Output
Coupling Type
Antenna Digital

Terminal Voltmeter
Mono Antenna Distortion
Terminal Meter
Antenna Light "TUNED" on
OFF
Terminal FL Display
IC402
Adjustment
Connect to Points Adjust to
Light "TUNED" on

VR401
FL Display
AVR-1802/882
Adjustment
Connect to Points Adjust to
± 50mV
R471 T402
Output Minimum
T403
Terminal (L) Distortion
+14
VR402 20 dB
−10
Remarks
SSG OUTPUT
74dBµ (EMF)
4