
6
6
AVR-1804/884 / AVC-1880
ADJUSTMENT
Tuner Section
(AVR-1804/884 only)
CONNECTION DIAGRAM OF MEASURING INSTRUMENTS
FM
STEREO
MODULATOR
FM SSG
Digital
Voltmeter
75ohm
T402 T403
IC402
VR402
TUNER B'D
R471
20
+14
−
10
dB
AM
T402 T403
IC402
TUNER B’D
R471
VR401
FM ALIGNMENT
Input
Output
Adjustment
Step
Alignment
Item
Tuning
Frequency
Setting
Type
Frequency
Input
Level
Modulation
Coupling
Type
Connect to
Points
Adjust to
1
Center
Adjustment
98.1MHz
(98.0MHz)
FM SSG 98.1MHz
60dB
µ
Mono
1kHz 100%
Antenna
Terminal
Digital
Voltmeter
R471
T402
±
50mV
2
Distortion
98.1MHz
(98.0MHz)
FM SSG 98.1MHz
60dB
µ
Mono
1kHz 100%
Antenna
Terminal
Distortion
Meter
Output
Terminal (L)
T403
Minimum
Distortion
3
Repeat Steps 1 and 2
4
Signal Level
98.1MHz
(98.0MHz)
FM SSG 98.1MHz
20dB
µ
OFF
Antenna
Terminal
Light “TUNED” on
FL Display
VR402
AM ALIGNMENT
Output
Adjustment
Step
Alignment
Item
Frequency
Input
Type
Connect to
Points
Adjust to
Remarks
1
Signal Level
999 (1000)
kHz
AM SSG
VR401
Light “TUNED” on
FL Display
SSG OUTPUT
74dB
µ
(EMF)
Содержание AVC-1880
Страница 20: ...20 20 AVR 1804 884 AVC 1880 PRINTED WIRING BOARDS MAIN P W B UNIT COMPONENT SIDE ...
Страница 21: ...21 21 AVR 1804 884 AVC 1880 FOIL SIDE ...
Страница 25: ...25 25 AVR 1804 884 AVC 1880 FOIL SIDE ...
Страница 26: ...26 26 AVR 1804 884 AVC 1880 CNT P W B UNIT FOR JAPAN MODEL COMPONENT SIDE ...
Страница 27: ...27 27 AVR 1804 884 AVC 1880 FOIL SIDE ...
Страница 28: ...28 28 AVR 1804 884 AVC 1880 INPUT PRE AMP P W B UNIT COMPONENT SIDE ...
Страница 29: ...29 29 AVR 1804 884 AVC 1880 FOIL SIDE ...
Страница 30: ...30 30 AVR 1804 884 AVC 1880 DSP P W B UNIT COMPONENT SIDE ...
Страница 31: ...31 31 AVR 1804 884 AVC 1880 FOIL SIDE ...
Страница 32: ...32 32 AVR 1804 884 AVC 1880 C VIDEO P W B UNIT COMPONENT SIDE ...
Страница 33: ...33 33 AVR 1804 884 AVC 1880 FOIL SIDE ...
Страница 75: ...75 75 AVR 1804 884 AVC 1880 PACKING VIEW 201 202 202 203 204 205 210 211 213 212 Contents 212 214 ...
Страница 77: ...77 77 AVR 1804 884 AVC 1880 WIRING DIAGRAM ...