Yamaha rx 496 rds

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STEREO RECEIVER
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RX-496RDS

SERVICE MANUAL

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/ IMPORTANT NOTICE
This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.
it has been assumed that basic service procedures inherent to the industry. and 'more specifically YAMAHA
Products. are already known and understood by the users, and have therefore not been restated,
WARNING: Failure to follow appropriate service and safety procedures when servicing this product
may result in personal injury, destruction of expensive components. and failure of the
product to perform as specified, For these reasons. we advise all YAMAHA product owners
that any service required should be performed by an authorized YAMAHA Retailer or the
appointed service representative,
1 IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute
authorization. certification or recognition of any applicable technical capabilities, or
establish a principle-agent relationship of any form.
The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research,
engineering, and service departments of YAMAHA are continually striving to improve YAMAHA products.
Modifications are, therefore. inevitable and specifications are subject to change without notice or obligation to
retrofit. Should any discrepancy appear to exist. please contact the distributors Service Division.
WARNING: Static discharges can destroy expensive components. Discharge any static electricity your
body may have accumulated by grounding yourself to the ground buss in the unit (heavy
gauge black wires connect to this buss)
IMPORTANT: Turn the unit OFF during disassembly and part replacement. Recheck all work before you
apply power to the unit
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TQ SERVICE PERSONNEL ----------------- - - -1 lc DATA ................................ 13~14
FRONT PANELS .......................... . . .1 DISPLAY DATA . . , . _
REAR PANELS ................ . ............. 2 BLOCK DIAGRAM .........
SPECIFICATIONS ...... . ................. . .3~4 PRINTED CIRCUIT BOARD . . .
lNTERNAL VIEW. . . . . PIN CONNECTION DIAGRAM ......
DISASSEMBLY PROCEDURES. RX-SQGRDS SCHEMATIC DIAGRAM .
. TEST MODE ............. RX~496RDS SCHEMATIC DIAGRAM . .
PROTECTION OPERATION CHECK FUNCTION . . .7 PARTS LIST . . . . . . . ...................... 38~52
AMP ADJUSTMENTS . . . . . . . REMOTE CONTROL TRANSMITTER ....... . . . . .53
TUNER ADJUSTMENTS .................... 9~12
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The Service Manual uses recycled paper

YAMAHA

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1.2K»528 IE 6) Printed' in Japan 98.6

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RX-396RDSIRX-496RDS

I TO SERVICE PERSONNEL

Critical Components Information.

Components having special characteristics are marked A WALL EQUIPMENT ¢gslfiEAl§égE
and must be replaced with parts having specifications equal
0 those originally installed. » OUTLET UNDER TEST EQUIVALENT
INSULATING *-
TABLE

I FRONT PANELS
v RX-396RDS

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V RX-496RDS

RX-396RDS
RX-496RDS

WARNING
Do not change the IMPEDANCE SELECTOR switch setting while the power to this
unit Is on, otherWise this unit may be damaged.

IMPEDANCE SELECTOR
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