Pcb Layout - Casio AP-22S Service Manual

PS11
PS3M
POWER
ON ON
OFF OFF
CONTROL CONTROL
TRANSPOSE TRANSPOSE E
CONTROL CONTROL MIDI MIDI
TUNE E TUNE
E MIDI MIDI
BRILLIANCE BRILLIANCE E
METRONOME VOL E
TP20-KY1M
PS4M
PCB
Main PCB
Jack PCBs
Console PCBs
Power PCB

PCB LAYOUT

PS2M
CN2M
W. BASS
BRILLIANCE PIANO 1 PIANO 1 PIANO 2 PIANO 2 E.PIANO HARPSICHORD W. BASS
ROOM ROOM
MELLOW MELLOW BRIGHT BRIGHT
STAGE STAGE LIGHT
TONE LOWER TONE
TONE LOWER TONE
HALL 1 HALL 1 CHORUS CHORUS MIDDLE
HALL2 HALL2 TREMOLO TREMOLO HEAVY
VOLUME REVERB CHORUS/TREMOLO CHORUS/TREMOLO PIPE ORGAN PIPE ORGAN STRINGS STRINGS VIBRAHONE VIBRAHONE CHOIR CHOIR E. BASS E. BASS TOUCH SELECT TOUCH SELECT
MIN MAX MAX
MIN
JCM434-
MA1M
PS2M
PS3M
PS4M
CN1M
CN2M
PS11
— 6 —
MA1M
CN1M
TRACK RECORD
TRACK RECORD
A B
SONG LESSON/MEMORY
VALUE SONG LESSON/MEMORY
MALTI FUNCTION DISPLAY MALTI FUNCTION DISPLAY
TEMPO/BEAT/
FIXED METRONOME PLAY/STOP PLAY/STOP SONG PART PART PHRASE REPEAT PHRASE REPEAT NEXT
L L R R
TP20-KY2M
Components
CPU, DSP, Sound Source ROM Working storage
RAM, Effect RAM Reset IC, DAC, Filter, Key con-
troller, Power amp, Power supply circuit
LINE IN/OUT jack, MIDI jacks
Phone jacks
Power indicator
Gate array (Button controller/LED driver), LEDs,
Buttons
Main Volume, Brilliance volume, LEDS, Buttons
Fuse, Noise filter
DEMO DEMO