![Casio LK-90TV Service Manual Download Page 19](http://html1.mh-extra.com/html/casio/lk-90tv/lk-90tv_service-manual_2569558019.webp)
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22. Remove 21 screws and the keys.
23. Remove five screws and unsolder two connectors (JG, JF), and then remove the M474-LD1M PCB.
24. Remove seven screws and unsolder one connector (JE), and then remove the M474-LD2M PCB.
Connector (JF)
(To CSM446-LD4M PCB)
Connector (JG)
(To CSM446-LD3M PCB)
Connector (JE)
(To CSM446-LD5M PCB)
25. Remove three screws and the CSM446-LD3M PCB.
26. Remove three screws and the CSM446-LD4M PCB.
27. Remove three screws and the CSM446-LD5M PCB.
Summary of Contents for LK-90TV
Page 1: ...ELECTRONIC KEYBOARD LK 90TV JUN 2004 LK 90TV Ver 1 Jun 2005 INDEX...
Page 8: ...6 PRINTED CIRCUIT BOARDS M649 MAIN PCB Bottom View Top View...
Page 9: ...7 M649 SUB1 PCB M649 SUB2 PCB Bottom View Top View Bottom View Top View...
Page 10: ...8 M649 CONSOLE PCB Top View Bottom View...
Page 12: ...10 M474 LED1 PCB Top View Bottom View M474 LED2 PCB Top View Bottom View...
Page 14: ...12 M6111T KEY1 PCB M6111T KEY2 PCB Top View Bottom View Top View Bottom View...
Page 24: ...22 SCHEMATIC DIAGRAMS M649 MAIN PCB 1 2...
Page 25: ...23 M649 MAIN PCB 2 2...
Page 26: ...24 M649 SUB PCB 1 2...
Page 27: ...25 M649 SUB PCB 2 2...
Page 28: ...26 M649 CONSOLE PCB...
Page 29: ...27 M649 LCD PCB...
Page 30: ...28 CSM446 LED PCBs...
Page 31: ...29 M6111T KEY1 PCB...
Page 32: ...30 M6111T KEY2 PCB...