Casio CTK-100 - Manuals

— 3 — 0 I K 1 I K 2 I K 3 I K 4 I K 5 I K 6 I K 7 I K 0 O K ) 1 C K ( 0 1 2 C 2 # C 2 D 2 # D 2 E 2 F 1 O K ) 2 C K ( 2 3 2 # F 2 G 2 # G 2 A 2 # A 2 B 2 O K ) 3 C K ( 4 5 3 C 3 # C 3 D 3 # D 3 E 3 F 3 O K ) 4 C K ( 6 7 3 # F 3 G 3 # G 3 A 3 # A 3 B 4 O K ) 5 C K ( 8 9 4 C 4 # C 4 D 4 # D 4 E 4 F 5 ...

— 5 — Power Amplifier (LA4598) The power amplifier is a 2-channel power amplifier with a standby switch.The following table shows the pin functions of the power amplifier. TROUBLESHOOTING Nature of Trouble Faulty Block Checkpoint No power Power Supply Circuit Emitter of T2 should provide +5.5 V. Bas...

— 6 — IC AND TRANSISTOR LEAD IDENTIFICATION T3, T4: 2SC1740SQ T2: 2SD2008Q,R LA4598 30 29 28 24 27 26 25 23 22 21 20 19 18 17 16 TEST2 TEST1 RESET GND AVDD OUT AGND COSI COSO VDD KI0 KI1 KI2 KI3 KI4 1 2 3 7 4 5 6 8 9 10 11 12 13 14 15 KO0 KO1 KO2 KO6 KO3 KO4 KO5 KO7 KO8 KO9 KO10 KO11 KI7 KI6 KI5 B C...

— 7 — SCHEMATIC DIAGRAMS Keyboard PCBs M496K-KY1M, KY2M

PARTS LIST CTK-100 Notes: 1. Prices and specifications are subject to change with- out prior notice. 2. As for spare parts order and supply, refer to the "GUIDEBOOK for Spare parts Supply", publishedseparately. 3. The numbers in item column correspond to the same numbers in drawing.