Yamaha RX-V795a - Service Manual

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RX-V795a

RDS

HTR-5170

YAMAHA CORPORATION

P.O.Box1,Hamamatsu,Japan

SERVICE MANUAL

AV RECEIVER

■ CONTENTS

TO SERVICE PERSONNEL ......................................... 1

REMOTE CONTROL PANELS ..................................... 1

FRONT PANELS ........................................................... 2

REAR PANELS .........................................................3~4

SPECIFICATIONS ..................................................... 5~6

INTERNAL VIEW .......................................................... 7

DISASSEMBLY PROCEDURES .................................. 7

SELF DIAGNOSIS FUNCTION...............................8~19

FACTORY PRESET ....................................................20

AMP ADJUSTMENTS ................................................. 21

TUNER ADJUSTMENTS ...................................... 22~25

DISPLAY DATA .......................................................... 26

IC DATA ................................................................27~37

PRINTED CIRCUIT BOARD .................................38~61

PIN CONNECTION DIAGRAM ................................... 62

BLOCK DIAGRAM ................................................63~64

SCHEMATIC DIAGRAM .......................................65~73

PARTS LIST ..........................................................74~92

REMOTE CONTROL TRANSMITTER........................ 93

RX-V795a

RDS

HTR-5170

Printed in Japan

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.

IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute authorization, certifica-

tion 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 distributor's 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.

100691

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Yamaha RX-V795a Specifications

General

Channels	5.1
Frequency Response	20 Hz - 20 kHz
Total Harmonic Distortion	0.06%
Input Sensitivity (line)	200 mV
Signal to Noise Ratio (line)	100 dB
Output (Pre out)	1 V
Digital Inputs	2
Video Connections	Composite, S-Video
Tuning Range	FM/AM
Power Output	100 W
Surround Output	100 Watts
Power Output (8 ohms)	100 W
Video Inputs/Outputs	4/
Dimensions (W x H x D)	435 x 151 x