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Casio LD-50 Service Manual

Casio LD-50
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— 2 —
BLOCK DIAGRAM
LCD
Keyboard
power
switch
Power Supply Circuit
3IC2 3IC4 3T4
PAD Sevsor
PAD LED
2T3.2T10.2T11.2T12
LCD Driver
S6A0069
6IC 1
LSI MIDI
SAM9793
1IC112
sound effect
HE 80085
1IC11
oscillator
xtral2 12MHZ
oscillator
xtral1 9.6MHZ
DAC
PCM 1717
1IC1
Vol.Ctrl
M62429
1IC2
Power Amp
LA4550
3IC1
LPF
1R2~1R7 1R25
1C22~1C26
MCU
P87C52
1IC4
DFF
74HC374
1IC7~1IC10
MIDI Rom
HE80M04
1IC5
A0~A18
MIDI
DB4~DB7
KSR/WE
Audiobus
Audio ch2
Audio ch1
Mclk
ML
MC
MD
com1~com16
SEG1~SEG40
D0~D7
reset
reset
PWN-WRN
VCC VLED
DC+9V
BATT
DC+9V
IN
D+5 A+5
D.LE.clk
D.CLK
Headphone speaker
OE
key0~key3
sel0~sel4
4
4

Table of Contents

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Casio LD-50 Specifications

General IconGeneral
BrandCasio
ModelLD-50
CategoryDrums
LanguageEnglish

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