7
RX-V496/RX-V496RDS/HTR-5240/HTR-5240RDS
■
DISASSEMBLY PROCEDURES
(Remove parts in disassembly order as numbered.)
1. Removal of Top Cover
Remove 4 screws (
1
) and 4 screws (
2
) in Fig. 1.
2. Removal of Front Panel
a. Remove 5 knobs.
b. Remove 6 screws (
3
) in Fig. 1.
3. Before Checking and Parts Replacement of
Main Amplifier [P.C.B. MAIN (1)]
a. Remove 2 screws (
4
) fixing the Main Speaker terminal
in Fig. 2.
b. Take out the P.C.B. MAIN (3) to Left side in Fig. 4.
c. Remove 3 screws (
5
) fixing the Center/Rear Speaker
terminal and the Heat Sink in Fig. 2.
d. Remove the Binding Tie fixing P.C.B. MAIN (1)'s wiring
in Fig. 3.
Note) When the assembling , P.C.B. MAIN (1)'s wiring
regardfully for ungenerated noise induction.
e. Remove 2 screws (
6
) fixing the Main Unit in Fig. 3.
f. While pull out the Main Unit to the Front Panel side,
place the Main Unit on its side as shown in Fig. 4.
g. Connect to ground by shorting between G201 on
P.C.B. MAIN (1) and the chassis.
Note) When unconnected to ground, the protection
function is active.
h. Insert the insulator seet (Cloth, Paper or equivalent)
so that unshorted the between bottom side of P.C.B.
MAIN (1) and the chassis.
i. Insert the insulator seet (Cloth, Paper or equivalent)
so that unshorted the between back side of Front Panel
and the Heat Sink.
j. Using a string, fix the between screw-hole of the Heat Sink
and screw-hole of the Front Panel in Fig. 4.
Fig.1
Fig.2
Fig.3
Fig.4
1
POWER TRANSFORMER
2
P.C.B. MAIN (6)
3
P.C.B. MAIN (5)
4
P.C.B. MAIN (2)
5
P.C.B. MAIN (7)
(R, T models only)
6
P.C.B. MAIN (3)
7
P.C.B. MAIN (1)
8
P.C.B. OPERATION (5)
9
P.C.B. OPERATION (6)
0
P.C.B. INPUT (3)
A
P.C.B. INPUT (1)
B
P.C.B. TUNER
C
P.C.B. OPERATION (7)
D
P.C.B. MAIN (4)
E
P.C.B. INPUT (2)
F
P.C.B. OPERATION (2)
G
P.C.B. OPERATION (1)
H
P.C.B. OPERATION (4)
I
P.C.B. OPERATION (3)
J
P.C.B. INPUT (4)
K
P.C.B. DSP
■
INTERNAL VIEW
Front Panel
4
Center/Rear Speaker Terminal
5
Rear Panel
Main Speaker Terminal
Top Cover
Knob
B
A
0
9
8
7
6
5
4
3
2
1
K
J
I
H
G
F
D
E
C
1
2
1
3
3
Main Unit
Heat Sink
Heat Sink
Front Panel
String
6
Binding Tie
P.C.B. MAIN (1)
Main Unit
P.C.B. MAIN (1)
Chassis
P.C.B.MAIN (3)
6
G201
