Onkyo A-9010 Service Manual

A-9010
ADJUSTMENT PROCEDURE
Idling Current
DC Voltmeter
Front
L / R
Below
Between
Over
7.5 mV
8 mV(+0.5 / -0.5 mV)
8.5 mV
7.5 mV
Do not adjust.
8.5 mV
Main PC board
Channel
Terminals
Registers
Voltage
L
CN04
VR41
8 mV
R
CN03
VR31
8 mV
Time 4 - 6 minutes
CN03, CN04
VR41
CN04
VR31
CN03
When
1. Exchange the transistor (Q308-Q310, Q315, Q316, Q408-Q410, Q415, Q416).
2. Exchange the Main PC board.
3. Exchange the Power transformer (main).
Setting position
BASS, TREBLE and BALANCE: Center. VOLUME: Minimum.
Procedure
a. Pre-adjustment
Set the following registers to minimum position before POWER ON.
Set the voltages at the following terminals to the following voltage by adjusting the following registers,
under the condition of no input and no load, immediately after POWER ON.
b. Aging
Heat run during the following time.
c. Final adjustment
Re-adjust by the following procedure after heat running for the above mentioned time.
Adjustment point / Test terminal
Connection

Onkyo A-9010 Specifications

General

Damping factor	95
Amplifier class	-
Frequency range	10 - 100000 Hz
Input sensitivity	150 mV
Audio output channels	2.0 channels
Peak power per channel	44 W
Signal-to-Noise Ratio (SNR)	92 dB
Total Harmonic Distortion (THD)	0.08 %
Purpose	Home
Product color	Black
Connectivity technology	Wired
AC input voltage	220-240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.4 W
Power consumption (typical)	25 W
Package weight	8200 g
Manual	Yes

Weight and Dimensions

Depth	3 mm
Width	435 mm
Height	129.5 mm
Weight	6500 g