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HTP-550
SERVICE MANUAL
SERVICE MANUAL
7.1-CH HOME THEATER SPEAKER PACKAGE
Black and Silver models
MODEL
HTP-550(B)/(S)
Ref. No. 4011
042007
120V AC, 60Hz
120V AC, 60Hz
230-240V AC, 50Hz
B MDD
B MDC
B MPA
---
120V AC, 60Hz
230-240V AC, 50Hz
---
S MDC
S MPA
Front Speakers (L / R)
"SKF-550F"
Center Speaker
"SKC-550C"
Surround Speakers (L / R)
"SKM-550S"
Powered Subwoofer
"SKW-550"
Surround Back Speakers (L / R)
"SKB-550"
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.


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HTP-550
EXPLODED VIEWS-1
SKW-550 : POWERED SUBWOOFER
HTP-550
SP12
x 4 pcs.
A08
x 2 pcs.
SP11
x 10 pcs.
A104
x 2 pcs.
A05
x 2 pcs.
A05
x 5 pcs.
A103
A102
P901
SP13
x 2 pcs.
U03
A11
A01
U01
A07
A07
A101
A02
A02
U06
U05
A05
Q515
Q516
Q541
F901
T901
F901C
S901
A03
A06
E801
Refer to "EXPLODED VIEWS-2"
<Note>
S901 (POWER SWITCH) and U05 : MPA type only.
<Note>
F901C (LABEL) : MPA type only.
Part No. (SN) ---> Refer to
"PRINTED CIRCUIT BOARD PARTS LIST".


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HTP-550
EXPLODED VIEWS-2
SKW-550 : POWERED SUBWOOFER
HTP-550
SP01
SP06
SP07
x 6 pcs.
SP08
SP02
x 4 pcs.
SP04
x 4 pcs.


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HTP-550
EXPLODED VIEWS-3
SKF-550F <L> / SKF-550F <R>
HTP-550
SP32a / SP32b
SP33a / SP33b
SP21a / SP21b / SP21c / SP21d
without Terminal (SP32)
SP23
SP23
SP34a / SP34b
SP22
x 4 pcs.
SP24
Lch
TERMIN
AL
:
White
/ Black
Rch
TERMIN
AL
:
Red
/ Black


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HTP-550
EXPLODED VIEWS-4
SKC-550C
HTP-550
SP53
SP52
SP41a / SP41b
without Terminal (SP52)
SP43
SP43
SP54a / SP54b
SP42
x 4 pcs.
SP44
TERMIN
AL
:
Green
/ Black