Read Panasonic UB-T880 / UB-T880W (serv.man2) Service Manual Supplement online
11
7 “SECTION 9 TROUBLESHOOTING”
7.1.
“Section 9.1 Error Code”
Error
Frequency
of blinking
of blinking
Possible Cause
Check Point
2. Touch Data Error
2
1. The electrode sheet signal is
abnormal.
The electrode sheet is broken.
abnormal.
The electrode sheet is broken.
1. Restart the elite-Panaboard, and then check the Power LED
status.
2. Check the connection between the connectors (CN1002,
CN1003, and CN1004 on the TRANSMISSION Board) and
the electrode sheet.
3. Check the connection between CN1001 (on the
TRANSMISSION Board) and CN210 (on the CONTROL
Board).
4. Check the connection between the connectors (CN2013,
CN2014, and CN2015 on the RECEPTION 1 Board) and the
electrode sheet.
5. Check the connections between RECEPTION 1 Board and
CONTROL Board.
(1) CN2005 (RECEPTION 1 Board) to CN205 (CONTROL
Board)
(2) CN2008 (RECEPTION 1 Board) to CN204 (CONTROL
Board)
6. Check the connection between the connectors (CN2013,
CN2014, and CN2015 on the RECEPTION 2 Board) and the
electrode sheet.
7. Check the following connections between RECEPTION 2
Board and RECEPTION 1 Board.
(1) CN2001 (RECEPTION 2) to CN2003 (RECEPTION 1)
(2) CN2002 (RECEPTION 2) to CN2004 (RECEPTION 1)
(3) CN2009 (RECEPTION 2) to CN2010 (RECEPTION 1)
(4) CN2006 (RECEPTION 2) to CN2007 (RECEPTION 1)
8. Check the following soldering condition.
(1) All IC parts on the TRANSMISSION, RECEPTION1, and
RECEPTION 2 Boards
(2) IC 213 to IC215, IC222 to IC224, and IC203 (CPU) on the
CONTROL Board
9. Replace faulty parts or boards.
status.
2. Check the connection between the connectors (CN1002,
CN1003, and CN1004 on the TRANSMISSION Board) and
the electrode sheet.
3. Check the connection between CN1001 (on the
TRANSMISSION Board) and CN210 (on the CONTROL
Board).
4. Check the connection between the connectors (CN2013,
CN2014, and CN2015 on the RECEPTION 1 Board) and the
electrode sheet.
5. Check the connections between RECEPTION 1 Board and
CONTROL Board.
(1) CN2005 (RECEPTION 1 Board) to CN205 (CONTROL
Board)
(2) CN2008 (RECEPTION 1 Board) to CN204 (CONTROL
Board)
6. Check the connection between the connectors (CN2013,
CN2014, and CN2015 on the RECEPTION 2 Board) and the
electrode sheet.
7. Check the following connections between RECEPTION 2
Board and RECEPTION 1 Board.
(1) CN2001 (RECEPTION 2) to CN2003 (RECEPTION 1)
(2) CN2002 (RECEPTION 2) to CN2004 (RECEPTION 1)
(3) CN2009 (RECEPTION 2) to CN2010 (RECEPTION 1)
(4) CN2006 (RECEPTION 2) to CN2007 (RECEPTION 1)
8. Check the following soldering condition.
(1) All IC parts on the TRANSMISSION, RECEPTION1, and
RECEPTION 2 Boards
(2) IC 213 to IC215, IC222 to IC224, and IC203 (CPU) on the
CONTROL Board
9. Replace faulty parts or boards.
2. The power switch was
turned on while touching
the screen board.
turned on while touching
the screen board.
1. Don’t touch the board surface for about 3
seconds after turning on the power switch.
seconds after turning on the power switch.
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