Toshiba DP120F, Service Manual

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March 2000 © TOSHIBA TEC 7-65 DP120F/DP125F Circuit Description
• PTC GA Signal Table (5/7)
No. Signal Name Type Functions
129 COMREQ O PCL command request signal (L: Enable)
Indicates to the PCL that a command has been input
to the panel.
131, 145 MVSCK I Image data transfer clock
Send clock signal for image data output from DSC
(IC59).
132, 144 MVSENX I Image enable signal (active-low)
Send reference signal for image data output from
DSC.
133 MSYNCX I Scan interrupt signal
An interrupt signal from DSC is input.
(Interrupt level 6)
134 MDREQ I Image data request signal
DSC makes a request to transfer image data.
135 MVRECX - Unused
136 MDACK O Image data acknowledge signal
Indicates the start of image data transfer to DSC.
137, 146 MVSDA I Serial image data
Serial image data is input from DSC.
139-143 PD0-4 I Parallel image data
Parallel image data is input from DSC.
149 MT2INT O Motor interrupt signal 2
Outputs the motor interrupt signal to DMAC GA
(IC16).
(Interrupt level 6)
151 SDCLK - Signal ground
152 SHDENX - Signal ground
153 SVDENX - Signal ground
154 AHDENX - Signal ground
157 RESETX I Reset signal (active-low)
Resets the system.
158-160 TST0-2 - Signal ground
162-166, PXD0-15 I/O PIX Data bus
168-173,
175-179
182 MT1A O TX motor phase A signal
Drives the TX motor for document transport.
I: Input O: Output I/O: Bidirectional