Read Panasonic KV-S1058Y / KV-S1028Y / KV-S1057C-M2 / KV-S1057C-J2 / KV-S1027C-M2 / KV-S1027C-J2 (serv.man2) Service Manual Supplement online
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KV-S1058Y/KV-S1028Y/KV-S1057C-M2/J2/KV-S1027C-M2/J2
9. FAN dose not rotate.
1. Try to rotate the FAN, manually.
2. Check the power supply to the FAN.
3. Replace the FAN.
2. Check the power supply to the FAN.
3. Replace the FAN.
Scanner does not
recognize USB
connection.
recognize USB
connection.
1. USB cable is not connected normally.
1. Check the device (USB) condition of PC with Device
Manager.
2. Re-attach the USB cable, and then restart the scanner
and PC.
3. Replace the USB cable.
2. USB interface circuit does not work.
1. Check the soldering condition of the following parts and of
their surrounding circuits on the CONTROL Board, and
then repair it.
(1) JK3 (USB IF connector)
(2) LF4 (Common mode filter)
(3) LF6 (Common mode filter)
(4) IC9 (PF4)
then repair it.
(1) JK3 (USB IF connector)
(2) LF4 (Common mode filter)
(3) LF6 (Common mode filter)
(4) IC9 (PF4)
2. Replace the CONTROL Board.
START/STOP Button,
Skip Button, or Cursor
Button don’t work
properly.
Skip Button, or Cursor
Button don’t work
properly.
1. Mechanical problem with ON/OFF
switch.
switch.
1. Perform the "Key / Sensor" test in Sec.
10.3.8.
to check
following button's ON/OFF status.
(1) [Start/Stop] SW4100 on PANEL SWITCH Board
(2) [Skip] SW4101 on PANEL SWITCH Board
(3) [Up] SW4102 on PANEL SWITCH Board
(4) [Down] SW4103 on PANEL SWITCH Board
(5) [Left] SW4104 on PANEL SWITCH Board
(6) [Right] SW4105 on PANEL SWITCH Board
(7) [Set] SW4106 on PANEL SWITCH Board
(1) [Start/Stop] SW4100 on PANEL SWITCH Board
(2) [Skip] SW4101 on PANEL SWITCH Board
(3) [Up] SW4102 on PANEL SWITCH Board
(4) [Down] SW4103 on PANEL SWITCH Board
(5) [Left] SW4104 on PANEL SWITCH Board
(6) [Right] SW4105 on PANEL SWITCH Board
(7) [Set] SW4106 on PANEL SWITCH Board
2. Check the button’s ON/OFF mechanical condition.
3. Replace faulty parts.
3. Replace faulty parts.
2. ON/OFF monitor circuit does not
function.
1. Check the soldering condition of the following parts and of
their surrounding circuits on the PANEL SWITCH Board.
(1) SW4100, R4101
(2) SW4101, R4102
(3) SW4102, R4100
(4) SW4103, R4106
(5) SW4104, R4105
(6) SW4105, R4103
(7) SW4106, R4104
(1) SW4100, R4101
(2) SW4101, R4102
(3) SW4102, R4100
(4) SW4103, R4106
(5) SW4104, R4105
(6) SW4105, R4103
(7) SW4106, R4104
2. Check the following connection.
(1) Between CN4000 (LCD PANEL Board) and CN10
(CONTROL Board)
(2) FFC Cable
(3) Between CN4002 (LCD PANEL Board) and CN4100
(3) Between CN4002 (LCD PANEL Board) and CN4100
(PANEL SWITCH Board)
3. Check the soldering condition of the following parts and
their surrounding circuits on the CONTROL Board.
(1) CN10
(1) CN10
4. Check the following signals on the LCD PANEL Board.
IC4000
5. Replace faulty parts or boards.
Scanning position is
shifted.
shifted.
1. After replacing or re-assembling the
CIS assembly and/or mechanical parts
related to conveying documents,
re-adjustment of scanning position has
not been done.
related to conveying documents,
re-adjustment of scanning position has
not been done.
1. Perform the "All Position" and/or "Individual Position"
in Sec.
10.3.9.
so that the scanning position can be
adjusted properly.
2. The CIS assembly is not installed
properly.
1. Re-assemble the CIS Assembly. (See Sec
8.3.5.
&
8.4.2.
)
Symptom
Possible Cause
Recommended action
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