Yamaha Portatone PSR-1500, Service Manual

Page: 20 / 162

20
PSR-1500/PSR-3000
17-10. LCD (Time required: About 11 minutes):
17-10-1. Remove the PNCC circuit board. (See procedure 17-8.)
17-10-2. Remove the DJK circuit board. (See procedures 16-5, 6.)
17-10-3. Remove the four (4) screws marked [560J]. The LCD
can then be removed with the LCD holder. (Fig. 7)
17-10-4. Remove the four (4) screws marked [560K]. The LCD
can then be removed from the LCD holder. (Fig. 11)
17-11. PNCL Circuit Board
(Time required: About 12 minutes):
17-11-1. Remove the keyboard assembly. (See procedure 13.)
17-11-2. Remove the AM circuit board. (See procedure 16-4.)
17-11-3. Remove the PNCC circuit board. (See procedure 17-8.)
17-11-4. Remove the LCD with the LCD holder.
(See procedure 17-10.)
17-11-5. Remove the screw marked [560L] and the two (2) screws
marked [580]. The panel stay can then be removed.
(Fig. 7)
17-11-6. Remove the five (5) screws marked [560M]. The PNCL
circuit board can then be removed. (Fig. 9)
17-12. PNCR Circuit Board
(Time required: About 12 minutes):
17-12-1. Remove the keyboard assembly. (See procedure 13.)
17-12-2. Remove the PNCC circuit board. (See procedure 17-8.)
17-12-3. Remove the LCD with the LCD holder.
(See procedure 17-10.)
17-12-4. Remove the screw marked [560L] and the two (2) screws
marked [580]. The panel stay can then be removed.
(Fig. 7)
17-12-5. Remove the five (5) screws marked [560N]. The PNCR
circuit board can then be removed. (Fig. 9)
[D60] X 4
DAC shield cover
DAC1A
(Fig. 10)
[D60]: Bind Head Tapping Screw-B 3.0X6 MFZN2BL(EP600230)
[560K] X 4
LCD holder
LCD
How to remove connectors
Retainer
Pull up the retainer section
and remove the connector.
How to remove connectors
Retainer
Pull the retainer section to the
front and remove the connector.
PSR-1500
PSR-3000
LCD
LCD
JP3 JP3
CN3 CN3
[560K]: Bind Head Tapping Screw-B 3.0X8 MFZN2Y(EP600250)
(Fig. 11)
This figure shows the PSR-3000.