Onkyo TX-7620 - Service Manual

ONKY-00335
SERIAL No. 3328
ONKYO
SERVICE
MANUAL
QUARTZ SYNTHESIZED
TUNER AMPLIFIER
MODEL TX-7620
Black and Silver models
SAFETY-RELATED
COMPONENT
WARNING!
!
TABLE
OF
CONTENTS
COMPONENTS
IDENTIFIED
BY MARK
A
ON
THE
SCHEMATIC
DIAGRAM
AND
IN
THE
PARTS
SPCCINCAllONS.
44..4N0-
eh
chalk
gee
hewn
DURES
TES
2
LIST
ARE
CRITICAL
FOR
RISK
OF
FIRE
AND
SEIVICS
DIOCEUURES:
.
5c
keh
hase
ER
ee
ee
ee
ef
ate
3
ELECTRIC
SHOCK.
REPLACE
THESE
COMPO-
EXPIOGER.
WOW
Sincce-
tase
ae
decent
ded
seers,
ose
Zoster
Boge
4
NENTS
WITH
ONKYO
PARTS
WHOSE
PART
PaRLS
St:
08.508
crn
os
od
phone,
Seu
bh
ene
etek
a
acd
aan
5
NUMBERS
APPEAR
AS
SHOWN
IN
THIS
IC
block
diagram
and
descriptions
...............
6
MANUAL.
Adjustment
procedures
.................
0004
13
Printed
circuit
board
views
...........
be
gem
arated
3
15
MAKE
LEAKAGE-CURRENT
OR
RESISTANCE
MamrCiMit
yy
scan
sins
eae
Acts
ecu
ate
ae
ie
ac
15
MEASUREMENTS
TO
DETERMINE
THAT
EXPOSED
TDISBIAN:
«a:
act
oo
a
Morais
eater
gh
nian
sta
a,
here
Se,
15
PARTS
ARE
ACCEPTABLY
INSULATED
FROM
OiMNEr
Pe-DOards
3.5.07
4.9.
d-acneenguin
Sees
ack
wR
slate
aks
21
THE
SUPPLY
CIRCUIT
BEFORE
RETURNING
Semi-conductor
views.
........
0.0.00
00
cece
16
THE
APPLIANCE
TO
THE
CUSTOMER.
Schematic
diagram
........
0.0.00...
ce
eee
17
PC
DOdrC
“paris:
NSt
iyi
aay
a
eS
oh
wi
A
we
Re
es
19
BIOCK
IAG
EAM:
x:
han
ie
Ge
a
eer
d.
4ige
Bote
Sito
SS
wt
aR
Os
22
PACKING
VIEW?
4!
a
,a%u,
Heo
aMeouhc
Ba
erd
LA
ie
eee
23
ONKYO
AUDIO
COMPONENTS

Onkyo TX-7620 Specifications