Casio EX-830 Service Manual

Contents

— 99 —11. CIRCUIT DIAGRAMMODEL : QT-6600(EX-830)CONTENTS1. MAIN PCB CIRCUIT2-1.MAIN PCB CIRCUIT (1/13) CPU BLOCK ..................................................................1002-2.MAIN PCB CIRCUIT (2/13) GRAPHIC CONTROL BLOCK ......................................1012-3.MAIN PCB CIRCUIT (3/13) LCD I/f BLOCK ..............................................................1022-4.MAIN PCB CIRCUIT (4/13) VRAM BLOCK ...............................................................1032-5.MAIN PCB CIRCUIT (5/13) MAIN MEMORY BLOCK ...............................................1042-6.MAIN PCB CIRCUIT (6/13) FROM & BUFFER BLOCK ............................................1052-7.MAIN PCB CIRCUIT (7/13) GATE ARRAY BLOCK ...................................................1062-8.MAIN PCB CIRCUIT (8/13) LAN & SOUND BLOCK .................................................1072-9.MAIN PCB CIRCUIT (9/13) CF-CARD I/F BLOCK ....................................................1082-10.MAIN PCB CIRCUIT (10/13) RS232C I/F BLOCK ..................................................1092-11.MAIN PCB CIRCUIT (11/13) I/O CONTROL BLOCK............................................... 1102-12.MAIN PCB CIRCUIT (11/13) POWER SOURCE BLOCK........................................ 1112-13.MAIN PCB CIRCUIT (11/13) PWD/RESET & BATTERY BLOCK............................ 1122. REAR LCD PCB CIRCUIT ....................................................................................................... 1133. TOUCH PANEL PCB CIRCUIT ................................................................................................ 1144. INTERFACE PCB CIRCUIT ..................................................................................................... 1155. LED PCB CIRCUIT .................................................................................................................. 1166. INLET PCB CIRCUIT ............................................................................................................... 1177. MIC PCB CIRCUIT................................................................................................................... 118