Toshiba DP120F Service Manual page 372

• PTC GA Signal Table
No. Signal Name
85 ADCCSX
86 HTON
88 PTCCK1
90 PTCCK2
92 PCLVD
93 UFEO
94 PMSTS
95 VDIN
96 HSYNC
97 DOTCLK
99 OUTCLK
101 LDATA
102 VDOUT
103 VSP
104 PMCLK
I: Input O: Output
March 2000 © TOSHIBA TEC
(3/7)
Type
O A/D converter (IC54) chip select signal (active-low)
Select signal for A/D converter.
O Heater on signal (H: On)
Drives the heater tube in the fuser.
I Printer milli-based clock signal
The reference clock for printing in millimeters is in-
put.
I Printer inch-based clock signal
The reference clock for printing in inches is input.
I PCL print data
The rasterized print data is input from the PCL inter-
face.
I LSU horizontal synchronizing signal
The reference signal for printing position in the scan-
ning direction is input.
I Polygon motor synchronizing signal
(H: Synchronized)
Indicates the synchronization of the operation of the
polygon motor and the drive clock.
I EET input print data
Print data from the EET(IC39) is input.
I LSU horizontal synchronizing signal
The reference signal for printing position in the scan-
ning direction is input.
O EET Pixel clock
Outputs a pixel-unit clock for driving the EET.
O EET Clock
Outputs a clock for driving the EET.
O EET Output print data
Outputs print data to the EET.
O LSU exposure data
Outputs exposure data for printing to the LSU.
O PCL synchronizing signal
Synchronizing signal with GA-1020 (PCL PBA).
O Polygon motor clock
Drives the polygon motor in the LSU.
I/O: Bidirectional
Functions
7-63 DP120F/DP125F Circuit Description