Sony UP-860 Service Manual page 47

5-4-2. From memory writing till screen printing
[I] From after memory writing till the INT-V pulse measurement.
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SCKo Risa:
* 1¢301-@ "TN HAI
SCREEN PRINTING MODE CoPY CLOCK ">"
. 8 set
S00 &bit
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ous
TA
SCREEN PRINTING MODE COPY '
PM FW 8 set
1€301-8, @
MOTOR START, SPEED
-MS1
H
*"PM CW L
1C301-€, @
+ INT-V
1C301-@, @ I i 4 [STABLE ]]
SCREEN PRINTING UNSTABLE PERIOD 4-24 mSec.
TIMING PULSE 10-20 pulse
Fig. 5-5. Timing from memory writing till printing
Operation
The data input to the video memory
(C103 to 105) with the print key operation
is printed with the following procedures :
100 msec before this operation.
*Note 2: This operation only occurs if a video signal is input to the video memory.
follows :
PM FW, PM CW. - -
- Turn ON/OFF the platen motor
(forward, reverse)
MS1, MS2:.---- Switches HIGH/LOW
of the platen motor
speed, between 2 to 4 speed.
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