
Table 5-8. JUNMM Board Unit
Problem
Symptom
Cause
Checkpoint
Solution
Paper is not
T h e p a p e r
Drive
Observe the waveforms to check that the
Replace the
fed normally.
feed motor
transistor
is
output signals (at pins 30, 31, 32, and 33)
operates
defective.
of the
and the output voltages
ing defective
abnormally.
between collectors and emitters of the
element.
corresponding drive transistors (Q30
through
synchronize (see Figs. 2-57
and 2-58).
(46)
(Xl :
Pin 16)
2
0.1
Figure 5-7. CPU Clock Signal Waveform
(2A) (HPW: Pin 31)
5
: Pin 37)
5
Q21 Collector
50
0.2
I 1 I
—
1 —
r
n _
—
—
NOTE:
At normal self-test printing
Figure 5-8. Print Timing
5-21
Содержание LQ-1060
Страница 1: ...EPSON TERMINAL PRINTER L Q 8 6 0 1 0 6 0 TECHNICAL MANUAL ...
Страница 5: ...REVISION TABLE REVISION DATE ISSUED I CHANGE DOCUMENT I I 1st issue I v ...
Страница 68: ...cc o REV A N N n 1 cc b I al cc u co n4 2 1 Figure 2 14 Main Switching 2 21 ...
Страница 79: ...REV A Table 2 20 State of Module 1 1 I W stay E H H L H d O s H H 4 2 32 ...
Страница 203: ...Figure 5 6 MONPS MONPSE Board Voltage Waveforms 5 17 ...
Страница 204: ...REV A Fiaure 5 6 MONPS MONPSE Board Voltage Waveforms z L 5 18 ...
Страница 205: ...Figure 5 6 MONPS MONPSE Board Voltage Waveforms 5 19 ...
Страница 217: ... n 3 m I BUS CONTROL 1 LJ Pc II SYSTEM CONTROL I I L 1 I PERIPHERAL BUS IIF u lJ Figure A 2 PD78213 Block Diagram A 3 ...
Страница 248: ...REV A A 3 DRAWINGS 3 J32 J TI g 4 Figure A 27 MONPS Board Component Layout A 34 ...
Страница 249: ... J30 33r J32 d m b13 G a TI 7 IC20 r El m J24 C2 L cl mow B L U E u Figure A 28 MONPSE Board Component Layout A 35 ...
Страница 250: ... 2 1 1 1 1 I A b 2 Ozaz 1202 C O ZZH Z UOEE vu I 1 Figure A 29 MONPS Board Circuit Diagram ...
Страница 251: ...REV A 1 UXZO xl OX 9 xl Onz b 8M 118 en A N J 93 T 818 Figure A 30 MONPSE Board Circuit Diagram A 37 ...
Страница 252: ...L t g Figure A 31 JUNMM Board Component Layout A 38 ...