Read Sony PHA-3 / PHA-3AC Service Manual online
PHA-3/3AC
5
2-4. GAIN-KNOB
2-5. MAIN BOARD BLOCK, COVER BLOCK
3
gain-knob
– Rear bottom view –
1
screw 1.7
u 5
1
screw 1.7
u 5
3
gain-knob
gain-knob
groove
groove
gain-knob
gain-knob
gain-knob
frame module
assy
assy
screw hole
screw hole
Note 2: When installing the gain-knob,
align the gain-knob hole and
the screw hole.
– Top view –
hole
hole
screw
hole
hole
screw
hole
hole
phillips
screwdriver
screwdriver
2
Insert a phillips screwdriver with a shaft
diameter of 2 mm or less into the gain-knob
groove and push the screwdriver in the
direction of arrow
A in order to push the
gain-knob out in the direction of arrow
B.
(Perform the same operation to remove
the remaining gain-knob)
Note
1: Prevent a short circuit by wrapping the
Phillips screwdriver with electrical tape,
etc. (A nonconducting screwdriver is
recommended)
A
B
– Rear bottom view –
3
MAIN board block
2
Firmly press the volume tip with your thumb,
and remove the MAIN board block.
1
screw
M2.0
u 21
– Bottom view –
4
cover block
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