— 16 —
2.
No sound
3.
Distorted sound
Does the power indicator
light up?
Check the main volume.
Is it OK?
Does the demo tune sound?
Replace keyboard PCBs.
Disconnect CA and CB
connectors on the main PCB.
Follow "No power"
troubleshooting.
No
Yes
Yes
Yes
No
No
Replace main volume.
Press Demo button.
Replace the main PCB.
Check the voltage selector.
Is it at proper position?
No
Yes
Replace the main PCB.
Set the voltage selector at
proper position.
Содержание Celviano AP-22S
Страница 1: ...ELECTRONIC KEYBOARD AP 22S...
Страница 14: ...14 PRINTED CIRCUIT BOARD Top View Bottom View C93 C95 C94 C96 C97 C98 C85 C86 C87 C88 C89 C83 C90...
Страница 21: ...21 35 34 R 9 R 8 R 7 STAND...
Страница 27: ...27 8 Switch LED Controller 7 6 Console PCBs JCM434 CN1M...
Страница 28: ...28 Console PCBs JCM434 CN2M...
Страница 29: ...29 Keyboard PCB TP20 KY 1...
Страница 30: ...30 Keyboard PCB TP20 KY 2...
Страница 31: ......
Страница 32: ...CASIO TECHNO CO LTD Overseas Service Division 8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 0023 Japan...