x2
x5
x5
7
4
4
1
1
1
3
2
6
x5
5
5
HOOK
X11
(A/4)
CN301
CN7
CN8
X13
X07,CN1
MOTOR
AC CONNECTOR
H/P
PCB
X25
(G/8)
VR-4080-B/4090-B/4700/4900
5
DISASSEMBLY FOR REPAIR
1
x70
X07
(C/7)
CN2
X25
(C/9)
X05-5130-11
X07
X13
(C/5)
CN12
CN21
4
5
7
7
8
3
3
2
2
2
2
2
2
9
6
6
7
x9
x2
2
x2
x2
X07-3150-10
(A/5)
X25
(B/9)
X11
(C/4)
10
x3
10
10
11
10
10
10
CN14
CN6
1. Take out the connectors (
1
) {X07,CN1/X13(CN7,CN8)} and
the AC connetor(
2
).
2. Take the lead (
3
) out of CN301 on X11(A/4) PCB.
3. Take out the screws (
4
) and (
5
).
4. The front panel can be separated by removing 2 hooks (
6
)
on the sub panel.
5. To separate the motor from the front panel, remove the
screws (
7
).
1. The rear panel can be separated by removing screws (
1
)
on the rear panel.
2. Take the AC connector out of CN2 on the X07(C/7).
3. To separate the chassis from bottom chassis, remove the
screws (
2
).
4. Remove CN21 and screws (
3
) on X13(C/5).
5. Remove screws (
4
to
7
).
6. The fan motor can be separated by removing screws (
8
)
and the connector (CN12) on X07 PCB.
7. Take the PCB X25(B/9), X11(C/4)} out of X07.
8. To separate the main PCB (X07) from the bottom chassis,
remove screws (
0
).
9. Set up the PCB as figure (
-
).
10. Replace the defective transistors.
HOW TO REPLACE THE POWER TRANSISTOR.
HOW TO REMOVE THE FRONT PANEL AND THE MOTOR.