A-9377
SERVICE MANUAL
SERVICE MANUAL
RC-748S
INTEGRATED AMPLIFIER
Black and Silver models
MODEL
A-9377(B)/(S)
230 AC, 50Hz
230 AC, 50Hz
B CPP
S CPP
Ref. No. 4140
062009
120/220-240V AC, 50/60Hz
120/220-240V AC, 50/60Hz
B CWT
S CWT
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
Summary of Contents for A-9377
Page 3: ...A 9377 BLOCK DIAGRAM A 1 2 3 4 5 B C D E F G H ...
Page 4: ...A 9377 SCHEMATIC DIAGRAM 1 MAIN A 1 2 3 4 5 B C D E F G H 0 22 50 ...
Page 5: ...A 9377 SCHEMATIC DIAGRAM 2 POWER A 1 2 3 4 5 B C D GND 7 6V ST BY P D ST RLY ...
Page 6: ...A 9377 SCHEMATIC DIAGRAM 3 FRONT A 1 2 3 4 5 B C D E F G H 0 22 5 5 ...
Page 7: ...A 9377 WIRING VIEW A 1 2 3 4 5 B C D E F G H CWT Version ...
