Yamaha RX-Z9 Service Manual

RX-Z9/DSP-Z9
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:
IMPORTANT:
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
distributor's Service Division.
WARNING:
IMPORTANT:
Please note that no program is written into the micropro-
cessor supplied for servicing. Therefore, it is necessary to
write the program when the microprocessor is replaced.
(For the details, refer to "UPDATING FIRMWARE".)
CONTENTS
To Service Personnel . . . . . . . . . . . . . . . . . . . . 2
Front Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Remote Control Panels . . . . . . . . . . . . . . . . . . 4
Rear Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7
SPECIFICATIONS /
Internal View . . . . . . . . . . . . . . . . . . . . . . . . . 13–15
Disassembly ProcedureS /
DISASSEMBLY & REPAIR PROCEDURES /
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 28–31
Self Diagnosis Function (Diag) /
. . . . . . . . . . . . . . . . . . . 32–75
Updating Firmware /
. . . . . . . . . . . . . . . . . . . 76–79
1 0 0 8 6 8
AV RECEIVER/AV AMPLIFIER

IMPORTANT NOTICE

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.
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.
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).
Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
8–12
16–27
SERVICE MANUAL
SERVICE MANUAL
Video Signal Processing /
. . . . . . . . . . . . . . . . . . . . . . . . 80–82
AMP ADJUSTMENT /
Display Data . . . . . . . . . . . . . . . . . . . . . . . . . . 84–85
Ic Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86–105
Block Diagram . . . . . . . . . . . . . . . . . . . . . . 106–109
PRINTED CIRCUIT BOARD . . . . . . . . . . . . . . 110–129
Pin Connection Diagram . . . . . . . . . . . . . . . . 130
SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . 131–144
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . 145–188
REMOTE CONTROL . . . . . . . . . . . . . . . . . . . . . . . . 189
GUI REMOTE CONTROL . . . . . . . . . . . . . . . . . . . . 190
83