hfe_onkyo_a-9070_service_en.pdf | | A-9070
Ref. No. 4355
102011 (MPP)
112011 (MDC)
122011 (MGR)
112011 (MJJ)
Integrated Amplifier
MODEL A-9070(B)/(S)
Black and Silver models
B MPP 230V AC, 50Hz, 290W
S MPP 230V AC, 50Hz, 290W
B MDC 120V AC, 60Hz, 3.3A
S MJJ 100V AC, 50/60Hz, 250W
S MGR 220-230V AC, 50/60Hz, 290W
A-9000R/9070
Service Procedures
1.Operation check
1) Speaker relays
The relay shall be ON about 5 seconds after POWER is ON and shall be OFF immediately after POWER is OFF.
2) Voltage-detection protectors
The speaker relay is OFF immediately after D.C. 3V is put at MAIN IN INPUT terminal to check SP:B(L/R).
The same as above when D.C. -3v is put at each place. TEST:4- |