Mod Circuit Board; Sw Circuit Board; Tweeter (Psr-1500); Woofer (Psr-1500) - Yamaha PSR-1500 Service Manual

5.

MOD Circuit Board

(Time required: About 3 minutes)
5-1. Remove the lower case assembly. (See procedure 1.)
5-2. Remove the two (2) screws marked [560B]. The MOD
circuit board with the wheel can then be removed.
(Fig. 2)
5-3. Remove the wheel from the MOD circuit board. (Fig. 2)
6.

SW Circuit Board

(Time required: About 3 minutes)
6-1. Remove the lower case assembly. (See procedure 1.)
6-2. Remove the two (2) screws marked [460C]. The SW
circuit board can then be removed. (Fig. 2)
6-3. Remove the push knob from the SW circuit board.
(Fig. 1)
7.

Tweeter (PSR-1500)

(Time required: About 4 minutes)
7-1. Remove the lower case assembly. (See procedure 1.)
7-2. Remove the two (2) screws marked [460D]. The tweeter
can then be removed. (Fig. 2)
* The left and right tweeters can be removed in
the same method.
Top view
[60]
Speaker
(WOOFER)
[60]
[460E]
Bottom view
[B] X 8
[460D]
Speaker
(TWEETER)
[460D]
Upper case
assembly
Shield cover L
Keyboard assembly
*PSR-3000 (Shield cover L)
[570] [460F] [460F] [460F]
INV
[440A]
[460F]
[560C] [460F]
(Fig. 2-1)
Lower case assembly
[570] [460F]
INV
[460E]
[460F]
[430B] [560C] [460F]
[460F]
[460F] [560C]
8. Tweeter (PSR-3000)
(Time required: About 4 minutes)
8-1. Remove the lower case assembly. (See procedure 1.)
8-2. Remove the two (2) screws marked [450]. The tweeter
can then be removed. (Fig. 2)
* The left and right tweeters can be removed in
the same method.
9.

Woofer (PSR-1500)

(Time required: About 4 minutes)
9-1. Remove the lower case assembly. (See procedure 1.)
9-2. Remove the four (4) screws marked [60]. The woofer can
then be removed. (Fig. 2)
* The left and right woofers can be removed in the
same method.
10. Woofer (PSR-3000)
(Time required: About 4 minutes)
10-1. Remove the lower case assembly. (See procedure 1.)
10-2. Remove the four (4) screws marked [60]. The woofer and
the four (4) speaker holders can then be removed. (Fig. 2)
* The left and right woofers can be removed in the
same method.
[60]
[460F] [570] [460F]
[440A]
[430B]
[570] [460F] [560C] Wheel
This figure shows the PSR-1500.
[60]: Bind Head Tapping Screw-P 4.0X10 MFZN2Y(EP640500)
[430B]: Bind Head Tapping Screw-P 3.0X25 MFZN2Y(VK228100)
[440A]: Bind Head Tapping Screw-B 3.0X6 MFZN2BL(EP600230)
[450]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL(EG340190)
[460]: Bind Head Tapping Screw-B 3.0X8 MFZN2Y(EP600250)
[560]: Bind Head Tapping Screw-B 3.0X8 MFZN2Y(EP600250)
[570]: PW Head Tapping Screw-B 3.0X8-8 MFZN2BL(V2276900)
(Fig. 2)
PSR-1500/PSR-3000
Speaker
(WOOFER)
*PSR-3000 Speaker holder
[460D]
[A] X 8
Speaker
(TWEETER)
*PSR-3000
[460D]
[460C]
SW
MOD
PB
[560A]
Wheel assembly
[560A]
[560B]
HP
[460B]
[60]
[450]
15