Technics SU-7300 Service Manual

m TO REMOVE CABINET
2 Cabinet
1. Remove four (4) cabinet-mounting screws, nos. O~®
as shown in Fig. 1.
2. Remove cabinet from chassis in arrow direction 1 to
2, as shown in Fig. 1. ® Ge
3. To reassemble, reverse above procedure.
m TO REMOVE CHASSIS
1. Remove cabinet from chassis. (Refer to “To remo-
ve cabinet’).
2. Remove lead wires from lead clamp.(Refer toFig. 2).
3.
Remove
a
screw
and
printed
circuit
board
metal
clamp.
(Refer
to
Fig.
2:@).
Fig. 2
4. Remove four (4) heat sink-mounting screws. (Refer
to Fig. 2: @~@).
5. Remove four (4) panel-mounting screws from
chassis. (Refer to Fig. 2: ©~@, left and right side).
6. As photo in Fig. 3, hold the panel at its side ends
abd push it downward tilting slightly its top part to
the frontward direction.
7. Remove the front panel from the chassis. (Fig. 4 to
Fig. 5).
8. Set the printed circuit board on the chassis as indi-
cated in Fig. 6.
9. The front panel can be reset in the reverse sequence.
10. Mount the lever switch bracket inside the chassis
prior to resetting the front panel. (Fig. 6).
CHASSIS
RIGHT SIDE
Fig. 4
SU-7300

Technics SU-7300 Specifications

General

Damping Factor	30
Speaker Load Impedance	4Ω to 16Ω
Input Sensitivity	2.5mV (MM)
Signal to Noise Ratio	90dB (line)
Channel Separation	55dB (line)
Output	150mV (line)