Onkyo HT-S990THXB, HT-S990THXS, HT-S990THX Service Manual

HT-S990THX

SERVICE MANUAL

SERVICE MANUAL

7.1-CH HOME THEATER SYSTEM

Black and Silver models

MODEL HT-S990THX(B)/(S)

120V AC, 60Hz
230-240V AC, 50Hz

B MDC
S MPP

Ref. No. 3959

062006

- - - HT-R940 (AV Receiver) - - -

- - - - - - - - - - - - HTP-940 (7.1-channel speaker package) - - - - - - - - - - - -

SAFETY-RELATED COMPONENT
WARNING!!

COMPONENTS IDENTIFIED BY MARK ON THE

SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE

CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.

REPLACE THESE COMPONENTS WITH ONKYO

PARTS WHOSE PART NUMBERS APPEAR AS SHOWN

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.

HT-S990THX

PACKING PROCEDURE-1

RECEIVER SECTION

A631

A610

A601

(L & R)

A631

A656

A656

A626

A625

A831

A801

A821

A631

A631

A631

A631

A802

A803

A804

A806

A805

A807

A811

A812

A816

A815

A814

A813

A817

A818

A832

A833

A834

A662

A661

<R>

Front side

Right side
marking

Front side
marking

Left side
marking

Front side
marking

<L>

Large side

Small side

HT-S990THX

PACKING PROCEDURE-2

SPEAKER SECTION

TOP

BOTTOM

CENTER

SP04

SP04

SP13

SP13

SP13

SP13

SP01 : INNER
SP02 : OUTER

SP04

SP03

SP05

(Top)

SP06

(Center)

SP07

(Bottom)

SP09 : INNER
SP10 : OUTER

SP04

SP09 : INNER
SP10 : OUTER

SP11 : INNER
SP12 : OUTER

SP04

SP04

SP04

SKB-940(R)

SKB-940(L)

SKM-940S(R)

SKM-940S(L)

SKF-940F(R)

SKF-940F(L)

SKC-940C

Front side

SKW-940