14
AVR-2802/982
ADJUSTMENT
Idling Current (1U-3368-1)
Required measurement equipment : DC Voltmeter
Preparation
(1) Avoid direct blow from an air conditioner or an electric fan, and adjust the unit at normal room tempereture 15 °C ~ 30 °C
(59 °F ~ 86 °F).
(2) Presetting
POWER (Power sourse switch)
→
OFF
SPEAKER (Speaker terminal)
→
No load (Do not connect speaker, dummy resistor, etc.)
Adjustment
(1) Remove top cover and set VR101, VR102, VR201, VR202, VR301, VR401, on 1U-3368-1 (Power Unit) at fully
counterclockwise (
).
(2) Connect DC Voltmeter to test points (FRONT-Lch: TP101, FRONT-Rch: TP102, CENTER ch: TP103, SURROUND-Lch:
TP101, SURROUND-Rch: TP103, SURROUND BACK-ch: TP102).
(3) Connect power cord to AC Line, and turn power switch "ON".
(4) Presetting.
MASTER VOLUME : "---" counterclockwise (
min.)
MODE
: 6CH STEREO
FUNCTION
: CD
(5) Allow 2 minutes, and turn VR101 clockwise (
) to adjust the TEST POINT voltage to 6.5 mV
±
0.5 mV DC.
(6) After 10 minutes from preset, turn VR101 to set the voltage to 8 mV
±
0.5 mV DC.
(7) Adjust the Variable Resistors of other channels in the same way.
(8) After 5 minutes from (6), turn VR101 to set the voltage to 8 mV
±
0.5 mV DC.
(9) Adjust the Variable Resistors of other channels in the same way.
TP102
VR301
VR102
VR401
VR202
VR101
VR201
SRch
SBch
FRch
Cch
FLch
SLch
DC Voltmeter
TP103
TP101
All manuals and user guides at all-guides.com
Содержание AVR-2802
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