YDP-323
6
●
Power Supply Unit
Fig. 5
[1]:
Bind Head Tapping Screw-B 3.0X10 MFZN2B3 (WE972200)
[6]:
Bind Head Tapping Screw-B 3.0X12 MFZN2W3 (WE987400)
[7A]: Bind Head Tapping Screw-B 4.0X10 MFZN2B3 (WE972300)
6.
PS Circuit Board, Power Transformer
(Time required: About 5 minutes)
6-1
Remove the top board assembly. (See procedure 3)
6-2
Remove the power supply unit. (See procedure 5)
6-3
Remove the three (3) screws marked [6], the two (2)
screws marked [7A] and the two (2) screws marked
[1]. The PS circuit board can then be removed from
the AC inlet plate. (Fig. 5)
6-4
Power Transformer
Using the soldering iron, remove the seventeen
soldered place of the power transformer on the PS
circuit board. The power transformer can then be
removed from the PS circuit board. (Fig. 5-1)
*
While soldering, be careful not to apply too much heat.
It might cause peeling off the land pattern.
Fig. 4
5.
Circuit Boards & Assemblies (Main Unit)
(Time required: About 3 minutes each)
5-1
Remove the top board assembly. (See procedure 3)
5-2
Each circuit board and assembly can be removed by
removing its fixing screws as listed below.
Circuit board and Assembly
Ref. No.
Screw
QTY Fig.
DM
S12A
Bind Head Tapping Screw-B 3.0X6 MFZN2W3 (WE936300)
4
4
MAEQ
S12B
Bind Head Tapping Screw-B 3.0X6 MFZN2W3 (WE936300)
6
4
PS Cover Assembly
103A
Bind Head Tapping Screw-1 3.5X12 MFZN2W3 (WE970900)
5
4
Power Supply Unit
103B
Bind Head Tapping Screw-1 3.5X12 MFZN2W3 (WE970900)
3
4
D-JACK Assembly
S13A
Bind Head Tapping Screw-1 3.5X12 MFZN2W3 (WE970900)
4
4
Speaker L
S07A
Truss Head Tapping Screw-1 4.0X16 MFZN2Y (WE965700)
4
4
Speaker R
S07B
Truss Head Tapping Screw-1 4.0X16 MFZN2Y (WE965700)
4
4
[103A]
[103A]
[103B]
[103A]
Power supply assembly
PS cover assembly
DM
MAEQ
[S07A]
[S13A]
[S12A]
[S12B]
Speaker L
Speaker R
D-JACK assembly
DM
MAEQ
[S12A]
[S12B]
[S07B]
[S07B]
AC inlet plate
Power transformer
[6]
[6]
[1]
[6]
[7A]
PS