JVC TH-M45 Service Manual page 30

3.3.5 Removing the amplifier board (A)
(See Figs.10 and 11)
• Remove the rear panel.
• Remove the amplifier assembly.
• Remove the speaker terminal board.
• Remove the mother board.
(1) Remove the three screws J attaching the IC bracket. (See
Fig.10.)
(2) Remove the amplifier board (A) from the heat sink together
the IC bracket.
(3) Disengage the engagement sections c. (See Fig.11.)
(4) Slide the amplifier board (A) in the direction of the arrow
and then disengage the amplifier board (A) from the en-
gagement sections d and e of the IC bracket. (See Fig.11.)
Reference:
After attaching the IC bracket to the amplifier board (A), apply
the bond to the engagement sections c and d. (See Fig.11.)
3.3.6 Removing the amplifier board (B)
(See Figs.10 and 12)
• Remove the mother board.
(1) Remove the three screws K attaching the IC bracket. (See
Fig.10.)
(2) Remove the amplifier board (B) from the heat sink together
the IC bracket.
(3) Disengage the engagement sections f. (See Fig.11.)
(4) Slide the amplifier board (B) in the direction of the arrow
and then disengage the amplifier board (B) from the en-
gagement sections g and h of the IC bracket. (See Fig.12.)
Reference:
After attaching the IC bracket to the amplifier board (B), apply
the bond to the engagement sections f and g. (See Fig.12.)
Heat sink
K
IC bracket
Amplifier board (B)
1-30 (No.MB033)
IC bracket
Amplifier board (A)
J
Fig.10
Amplifier board (A)
c
d
e
d
c
Fig.11
f
IC bracket
1
2
2
f
1
Fig.12
IC bracket
1
2
2
1
Amplifier board (B)
g
h
g