Technics SU-Z980 User Manual

SU-Z980 SU-Z980
Ref.
No.
How
to
remove
the
power
Ref.
No.
;
4
switch
P.C.B.
6
How
to
check
the
main
P.C.B.
Procedure 1. Remove the power switch knob by Procedure 1. Remove the 12 screws (@~@).
1324 pushing it from behind the front panel. 1-6 2. Remove the front panel in the direction of
How to remove the power IC
: How to remove the fan motor
and regulator transistor
1. Pull out the 1 connector (J801).
2. Release the 3 claws.
3. Insert a screwdriver at the root of the
Procedure
1-8
1. Unsolder the power IC or regulator
transistor.
Procedure
1>5>6—>7
2. Remove the 2 screws (@, @). the arrow ®. 2. Remove the 3 screws (@~®).
3. Release the 1 claw. 3. Release the main P.C.B from the : cooling fan. Force it out of the shaft.
4. Remove the power switch P.C.B. in the projection of the bottom chassis. 4. Remove the motor cover by used ©
direction of the arrow. 4. Remove the bottom chassis in the screwdriver.
5. Remove the motor from the fan casing.
6. When mounting the motor fan, align the
fan casing’s projection with the hole of
Ga 2
1)
the
fan
motor.
Reguiator
transistor
direction of the arrow ©.
5. Reinstall the front panel to the main
P.C.B.
Reta
al
i=
Power switch knob
2)
Screw driver:
Power IC
e@When mounting the power IC or regulator transistor.
Apply silicone compond (SZZOL15) to the rear side of power
IC or regulator transistor.
Main P.C.B.
Motor cover
1. Remove the 11 screws (@~®).
2. Remove the shorting pin.
3. Remove from the projection of the
bottom chassis.
4. Remove the rear panel in the direction of
the arrow.
Procedure
15
cooing tee Fan casing
Rear panel
2S8D1265
2SB9410R
JOP
CE
'SR35200
SVDS3V40
ro
Ca—+@— A
DTA114ESTP
DTC114ESTP
2SA684, 2SA992
28C1384
1. DRAIN
2. GATE
3. SOURCE
LNO18397PH
LNO64448P11
MA4240H, MA4150M
MA4330M, MA4062-M
MA4056-M
Anode
yaa
Ca>—te— A

Technics SU-Z980 Specifications

General

Brand	Technics
Model	SU-Z980
Category	Amplifier
Language	English