8
AVR-1803/883
ADJUSTMENT
Tuner Section
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 AVR-1803/883
Страница 5: ...LEVEL DIAGRAMS 8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 5 FRONT CENTER SURROUND...
Страница 6: ...8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 6 SUB WOOFER...
Страница 7: ...BLOCK DIAGRAM 8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 7...
Страница 22: ...FOIL SIDE 8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 22...
Страница 23: ...COMPONENT SIDE 8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 23 MAIN P W B UNIT for Asia Hong Kong Taiwan R O C models...
Страница 24: ...FOIL SIDE 8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 24...
Страница 25: ...COMPONENT SIDE 8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 25 CPU P W B UNIT...
Страница 26: ...FOIL SIDE 8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 26...
Страница 27: ...COMPONENT SIDE 8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 27 CNT P W B UNIT...
Страница 28: ...FOIL SIDE 8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 28...
Страница 29: ...COMPONENT SIDE 8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 29 INPUT PREAMP P W B UNIT...
Страница 30: ...FOIL SIDE 8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 30...
Страница 31: ...COMPONENT SIDE FOIL SIDE 8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 31 DSP P W B UNIT...
Страница 32: ...AVR 1803 883 4 3 2 1 A B C D E VOL SEL P W B UNIT 32 COMPONENT SIDE...
Страница 60: ...WIRING DIAGRAM 8 7 6 5 4 3 2 1 A B C D E AVR 1803 883 60...