Onkyo TXDS 787 Service Manual

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Onkyo TXDS 787 Service Manual

Extracted text from Onkyo TXDS 787 Service Manual (Ocr-read)


Page 1

TX S787

Ref. No. 3667
1 12000

ONKYO® SERVICE MANUAL

AUDIO VIDEO
CONTROL RECEIVER
MODEL TX-DS787

Black, Golden and Silver models


BMDD 1 20V AC. 60Hz

BMPP,SMPP 230-240V AC, 50H:

BMPA,GMPA

BMWT,BMWR 220-230Vl120V AC,

GMWR,GMWT 50/60 Hz

GMGT 220-230V AC. 50H:

SAFETY-RELATED COMPONENT WARINGII TABLE 0|: CONTENTS

COMPONENTS IDENTIFIED BY MARK AON THE specificafions ______ . 2
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE Service'Proceduresn 3
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. 1:31:33;- 2
REPLACE THESE COMPONENTS WITH ONKYO Hemotecontrolle 5
PARTS WHOSE PART NUMBER APPEAR As SHOWN 12:13:27; 3

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.

ON KY0®
AIIIIIII IIIIMPIIIIIIIIS


Main microprocessor-tanner: n v
Main microprocessor-larminal descrip 0
Sub microprocessor-connection view .....

Sub microprocessor-terminal descriptions. 24
Adjustment and confirmation 25
Exploded View and parts list. 27
Front panel section. 27
Fans list .......... 28
Chassis sectlon.. 29
Wiring view...... 31
Terminal-connection View, 33
Block diagram ........... 35
PC board view,5ohemaiic diagram and parts list. 37
Main microprocessor... 31
Power amplifier section A 44
Power amplifier seciion E 50
Dlgilal, multi, and power source 55
Display ................. 60
Preamplifier section 64

DSP circuil Seclio ..
Video audio section
Video inpulloulpul sec
Component video section
FL lube view....
Packlng View...