8〕 Block Diagram - Kawai ANYTIME X2 GP Service Manual

〔8〕 BLOCK DIAGRAM
Silent mode
detect switch
PEDAL
K EP-545
DIGITAL +3.3V
PANEL
DIGITAL +5V
LED
SW
KEP-503
LCD HOLD
MPU PIC16F1933
128*64 I/SO KP734-F2FP
KEYBOARD SENSOR
(The sensor used is as follows.)
GA KKB-036 (A)～(D)
GB
KKB-037 (A)～(D)
KEP-267
DIGITAL +3.3V
TOUCH LSI
DIGITAL +5V
DIGITAL 1.5V
REGULATOR
FPGA
8.0 MHz
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P.W.B.组合
KEP-339
CPU
DIGITAL 1.35V
(DSP)
DIGITAL 1.2V
(MPU)
16.5 MHz
MPU
48.0 MHz
16
32
SH7203
SDRAM
16
SDRAM
16
16
Buffer
FlashROM(32M) 16
KP731-FBFP
16
DSP
6.0MHz
RESET
KEP-539
ANALOG/
AMP
RELAY/POWER
ANALOG 15V
+
ANALOG 12V REGULATOR
+
ANALOG 12V Power
-
DC-DC
DIGITAL 5V
DC-DC
– 56 –
DIGITAL +5V
DIGITAL 3.3V
REGULATOR
(MPU・DSP)
DIGITAL 3.3V
REGULATOR
REGULATOR
(TG)
DIGITAL 1.8V
REGULATOR REGULATOR
(TG)
ANALOG ±12V
ANALOG +5V
HSRAM
REGULATOR
8
16
FlashROM(512M)
TG
KP682-FFFW
K023-FP
16 16 FlashROM(1GM)
8
KP681-FGFW
24bit A/D
33.8688
24bit D/A FILTER
24bit D/A FILTER
KEP-546
USB to Device
USB to Device
KEP-540
VOLUME
MAIN VOLUME
KEP-541
HEADPHONE
HEADPHONE
POWER SW
KEP-543
PS-154
INLET AC ADAPTER
KEP-276
Speaker Unit
AMP
Speaker
ANALOG 15V
+
Transducer
POWER AMP
Speaker
Speaker Unit
(GP-ATX2-f only)
KEP-542
+12V
LINE/MIDI
+5V
Buf LINE IN
LINE OUT
MIDI
+5V
KEP-544
LED
LED
AC Power Code
GP-ATX2 / GP-ATX2-f