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Service Procedures - Onkyo TX-1500 Service Manual

Servo locked fm/am stereo receiver

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SERVICE PROCEDURES
:
I. REMOVEMENT
OF DIAL GLASS
(1) Pull TUNING
knob off the TUNING
shaft.
(2) Remove four hex volts.
2. REMOVEMENT
OF FRONT
PANEL
(1) Pull all knobs off control shafts.
(2) Remove two hex volts.
(2) Remove three screws.
3. REPLACING
STEREO
/ LOCKED
INDICATOR
(L.E.D.)
(1) Remove
four screws which hold the top cover to the chassis and
lift off the top cover.
(2) Remove
a screw
which
hold the PC board to the front bracket.
(3) There is a cathode mark on the foot of L.E.D.
4. REPLACING
DIAL LAMP
fig—3
(1) Remove
four screws which hold the top cover to the chassis and lift off the top cover.
(2) Remove
the two screws which hold the lamp case to the front bracket.
5. REPLACING
POWER
FUSE
(U.S.A. MODEL)
(1) Remove
four screws which hold the top cover to the chassis and lift off the top cover.
Cathode
aie mark
(2) Replace a fuse between a back panel and a power transformer.
6. REPLACING
SPEAKER
FUSE
(1) Remove
a screw which hold the fuse cover to the back panel.
STRINGING
DIAGRAM
2
1. Open the variable capacitor complete and tie dial cord
=Ste
to the spring of the drum.
2. Thread dial cord in the direction of arrow from (to
(8) and wind dial cord three turns around the tuning
shaft counter-clockwise.
3. Thread dial cord in the direction of arrow from G)to
© } Dial Pulley 2

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