EPSON
Stylus
COLOR
1520
Rev. A
5-10
5.4 Component Repair of the C211 MAIN Board
This section provides information which enables you to repair and replace defective components on the
C211-B MAIN board. Table 5-6 and 5-7 lists the causes for each symptom in order of possibility, with
which you are able to find and repair the defective part.
Table 5-6. Component Repair of the C211 MAIN Board (1)
Symptom
Condition
Cause
Checkpoint
Solution
The printer
does not
operate at all.
CPU doesn’t
operate.
The driver
mechanism
doesn’t operate
properly at
power on/off.
Reset circuit is
defective.
Check the /RESET signal at
the pin 1 and 5 V line at pin 3
of the IC1.
Replace the MAIN
board or the reset IC.
Selection of ROM
and sub gate array
is abnormal.
Check the /CS1 (Pin 1) and
/CS2 (pin 2) of the CPU (IC7)
for the change in the signal
High and Low.
Replace the MAIN
board.
CG-ROM or PROM is defective.
Replace the MAIN
board or PROM.
CPU is defective. Check the signal form of the
XTAL (pin 85) and EXTAL (pin
86) of the CPU (IC7).
Replace the MAIN
board or CRU1.
CR does not
operate
normally.
CR motor
does not rotate
normally.
Sub gate array
IC5 is defective.
Check the waveforms of
DATA A (pin 6) or DATA B
(pin 17) of the IC17.
PF drive output
DATA
Replace the MAIN
board or IC17.
CPU is defective.
Replace the MAIN
board.
Summary of Contents for 1520 - Stylus Color Inkjet Printer
Page 138: ...Maintenance Rev A 6 5 8 9 10 10 10 10 10 10 10 10 Figure 6 2 Lubrication Points 2 ...
Page 146: ...Appendix Rev A A 7 A 2 Circuit Diagrams Figure A A 2 C211 MAIN B Board Circuit Diagram 1 2 ...
Page 147: ...EPSON Stylus COLOR 1520 Rev A A 8 ...
Page 148: ...Appendix Rev A A 9 Figure A A 3 C211 MAIN B Board Circuit Diagram 2 2 ...
Page 149: ...EPSON Stylus COLOR 1520 Rev A A 10 ...
Page 152: ...Appendix Rev A A 13 A 3 Component Layout Figure A A 6 C211 MAIN B Board Component Layout ...
Page 153: ...EPSON Stylus COLOR 1520 Rev A A 14 Figure A A 7 C172 PSB Board Component Layout ...
Page 154: ...Appendix Rev A A 15 Figure A A 8 C172 PSE Board Component Layout ...
Page 156: ...Appendix Rev A A 17 Figure A A 10 Stylus COLOR 1520 Exploded Diagram 2 ...
Page 157: ...EPSON Stylus COLOR 1520 Rev A A 18 Figure A A 11 Stylus Color 1520 Exploded Diagram 3 ...
Page 165: ...EPSON SEIKO EPSON CORPORATION ...
