Onkyo TX-1500 - Service Procedures; Component Removal Procedures; Component Replacement Procedures; Stringing Diagram

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
45.
;
oY
q0.
ate
2
co
F
seas
|
:
1
Sean?”
Frequency......Max.
4.
Thread
dial
cord
to
the
dial
pulley
5.
©} Dial Pulley 2