— 12 —
KI0
KI1
KI2
KI3
L18
STEP BY STEP
PART L
PART R
NEXT
L19
TOUCH SELECT
TRACK A
TRACK B
PLAY/STOP
L20
METRONOME
L24
PIANO 2
E. PIANO
HARPSICHORD
W.BASS
L25
PIANO 1
STRINGS
CHOIR
E.BASS
L26
VIBRAPHONE
PIPEORGAN
REVERB
L27
SONG SELECT
RECORD
L28
VALUE DOWN
VALUE UP
DEMO
TEMPO/
BEAT/FIXED
CHORUS/
TREMOLO
BUTTON MATRIX
POWER SUPPLY CIRCUIT
The power supply circuit generates four voltages as shown in the following table.
Name
Voltage
For operation of
VDD
+5 V
CPU, Reset IC, Working storage RAM, DSP, Key touch LSI, Sound
source ROM, Effect RAM, Gate array
AVDD
+5 V
DAC
AVCC
+15 V
Filter, Mixer
AVFF
–15 V
Filter, Mixer
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...