SERVICE MANUAL
■ CONTENTS
TO SERVICE PERSONNEL ........................................... 2
FRONT PANELS ............................................................ 3
REAR PANELS .............................................................. 4
REMOTE CONTROL PANEL ....................................... 10
SPECIFICATIONS ........................................................ 11
INTERNAL VIEW ......................................................... 15
SERVICE PRECAUTIONS ........................................... 16
DISASSEMBLY PROCEDURES .................................. 17
UPDATING FIRMWARE ............................................... 27
SELF-DIAGNOSTIC FUNCTION ................................. 30
POWER AMPLIFIER ADJUSTMENT .......................... 72
DISPLAY DATA ............................................................ 73
IC DATA ........................................................................ 75
BLOCK DIAGRAMS .................................................... 83
WIRING DIAGRAM ...................................................... 87
PRINTED CIRCUIT BOARDS ...................................... 88
PIN CONNECTION DIAGRAMS ................................ 110
SCHEMATIC DIAGRAMS .......................................... 111
REPLACEMENT PARTS LIST ................................... 127
REMOTE CONTROL .................................................. 156
FIRMWARE UPDATING PROCEDURE ..................... 158
101367
'16.05
AV RECEIVER
RX-V681/RX-A760
RX-V681/RX-A760
Note:
When the DIGITAL P.C.B. or IC82 on DIGITAL (1) P.C.B. is replaced, this unit will display “Internal Error” and will not
operate properly. The model name MUST be written to the backup IC (EEPROM: IC82 on DIGITAL (1) P.C.B.) to
have proper operation. (For detailed procedure, refer to related Service News or Service Bulletin. Or contact your
local Yamaha representative.)
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General
Weight and Dimensions
