14
AVC-A1D/AVR-5700
Audio Section
Idling Current (1U-3126-2)
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
●
BASS, TREBLE (Tone control)
→
FLAT: (Controls to center)
●
SPEAKER (Speaker terminal)
→
No load (Do not connect speaker, dummy resistor, etc.)
Adjustment
(1) Remove top cover and set VR701, VR702, VR781, VR741, VR742, on 1U-3126-2 (Power Unit) at full counterclockwise
(
) position.
(2) Connect DC Voltmeter to test points (FRONT-Lch: TP801, FRONT-Rch: TP802, CENTER ch: TP805, SURROUND-Lch:
TP803, SURROUND-Rch: TP804).
(3) Connect power cord to AC Line, and turn power switch "ON".
(4) Presetting.
MASTER VOLUME : "---" counterclockwise (
min.)
MODE
: 5CH STEREO
FUNCTION
: CD
(5) Within 2 minutes after the power on, turn VR701 clockwise (
) to adjust the TEST POINT voltage to 1.5 mV
±
0.5 mV
DC.
(6) After 10 minutes from the preset above, turn VR701 to set the voltage to 3 mV
±
0.5 mV DC.
(7) Adjust the Variable Resistors of other channels in the same way.
1U-3128-3
1U-3126-2
VR742
VR702
VR781
VR701
VR741
TP804
TP802
TP805
TP801
TP803
S Rch
C ch
F Lch
F Rch
S Lch
Power Trans
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Содержание AVC-A1D
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