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HT-3000
Service manual
Casio HT-3000 Service Manual
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Also See for HT-3000
:
Operation manual
(28 pages)
,
Operation manual
(27 pages)
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Contents
Table of Contents
Troubleshooting
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Table of Contents
Schematic Diagram
Pcbs М4240-МА1M 1/2, M4240-IF
Pcb M4240-Ma1M 2/2
Pcbs M5149-MA2M, CN2
Pcbs M5149-MA3M, MA4M
Pcbs M5149-CN1, CN3, CN4, CN6, CN7, CN8, M5240-CN5
Pcbs M61K-KY1M, M612K-KY2M, M49K-KY3M
PCB View
Pcb M4240-Ma1M
Pcb M4240-Ma2M
Major Waveforms
Key & Switch Matrix
CPU Pin Function
ROM & RAM Access
RAM Card Access
Chip Enabling
LED Driving
LED Matrix
Analog Circuits Block Diagram
Music LSI Pin Functions
Melody & Chord Circuits
Melody/Chord Changeover Circuit
Vcf (Njm2090)
VCF Control Circuit
The Following Table Shows the Voltage Levels at each Checkpoints in each Mode and Data
Mute Circuit
Bass Circuit
Repcussion Circuit
Stereo Chorus Circuit
Power Circuit
MB3771 Block Diagram
LCD Wiring
Upper, Lower Electrodes
VCF Cutoff Frequency Adjustment
VCF Bias Voltage
Troubleshooting
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Schematic Diagram
2
Pcbs M5149-Ma2M, Cn2
3
Analog Circuits Block Diagram
4
Power Circuit
5
Troubleshooting
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Operating Manual
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