Onkyo A-9050 Service Manual

A-9030/9050/M-5010/ADM-20.4
Operation Check - 1
1-1. Confirm Relay operation
a. Confirm that the relay of SP A and the relay of SP B operate normally respectively by SPEAKER A/B TRIM.
b. It is confirmed that the relay cuts at once if becoming POWER OFF.
c. Confirm no-sound from SWpreOUT when you insert HP JACK. (A-9050 / A-9030 ONLY)
d. Confirm relay operation, when 4ohm-8ohm switch is change to the other possition.
1-2. Confirm of remote controll operations.(A-9050, A-9030 ONLY)
a. Confirm that specified operations for each button are made.
b. Confirm the RI operation.
c. Confirm the change of RI mode to swith S7901-S7903 (A-9050 ONLY)
1-3. Confirm of Audio Sense operations.(M-5010, ADM-20.4 ONLY)
a. TRIGGER switch is AUDIO at the condition of no input, and it turns off power.
b. Confirm that it dosen't become the POWER ON ,if "-65dBV, 1KHz" inputs.
c. Confirm that it becomes the POWER ON ,if "-45dBV, 1KHz" inputs.
1-4. Confirm of 12V trigger operations.(M-5010, ADM-20.4 ONLY)
a. TRIGGER switch is 12Vtrg at the condition of no input, and it turns off power.
Confirm it become the POWER ON if 12V trigger is input.
b. Confirm 12VTRG is output when the POWER ON.

Onkyo A-9050 Specifications

General

Output level	175 mV
Damping factor	60
Amplifier class	A
Output impedance	2200 Ω
Audio output channels	2.0 channels
Peak power per channel	75 W
Signal-to-Noise Ratio (SNR)	110 dB
Total Harmonic Distortion (THD)	0.08 %
AC (power) in	Yes
Audio (L/R) in	5
Audio (L/R) out	1
Digital audio coaxial in	2
Speakers connectivity type	RCA
Purpose	Home
Product color	Silver
Volume control	Rotary
Connectivity technology	Wired
AC input voltage	230 V
AC input frequency	50 Hz
Power consumption (standby)	0.3 W
Power consumption (typical)	160 W
Package weight	10500 g

Weight and Dimensions

Depth	330.3 mm
Width	435 mm
Height	139 mm
Weight	820 g