Read Panasonic KV-N1058X / KV-N1028X / KV-N1058Y / KV-N1028Y (serv.man2) Service Manual Supplement online
4
KV-N1058X/KV-N1028X/KV-N1058-Y/KV-N1028Y
9. CONTROL Board does not work
properly.
1. Perform the "LED" test in Sec.
10.3.8.
to check the LED
ON/OFF status.
2. Check whether all connections and cables on the
CONTROL Board are normal.
3. Check the soldering condition of the following parts and of
their surrounding circuits on the CONTROL Board.
(1) +1.2V (CL196) : Typ. 1.2V
(2) +7V (CL189) : Typ. 7.0V
(3) +3.3V (CL190) : Typ. 3.3V
(4) IC9 (PF4)
(5) IC6 (Reset IC)
(1) +1.2V (CL196) : Typ. 1.2V
(2) +7V (CL189) : Typ. 7.0V
(3) +3.3V (CL190) : Typ. 3.3V
(4) IC9 (PF4)
(5) IC6 (Reset IC)
4. Check the soldering condition of the following parts on the
CONTROL Board.
(1) CN11
(1) CN11
5. Monitor the following signals.
CN11-5pin : +3.3V
CN11-10pin : +24V
CN11-10pin : +24V
6. Replace faulty parts or CONTROL Board.
10. LCD PANEL Board does not work
properly.
1. Perform the "LED" test in Sec.
10.3.8.
to check the LED
ON/OFF status.
2. Check the following connection.
between CN3000 (LCD PANEL Board) and CN11
(CONTROL Board) and between JK3000 (LCD PANEL
Board) and JK2 (CONTROL Board)
(CONTROL Board) and between JK3000 (LCD PANEL
Board) and JK2 (CONTROL Board)
3. Check the soldering condition of the following parts on the
LCD PANEL Board.
(1) CN3000
(2) IC3002
(3) X3000
(4) IC3003
(1) CN3000
(2) IC3002
(3) X3000
(4) IC3003
4. Monitor the following signals on the CN3000.
CN3000-6pin : +3.3V
CN3000-1pin : +24V
CN3000-1pin : +24V
5. Replace faulty parts or LCD PANEL Board.
11. 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.
Scanner does not
recognize Wired LAN
connection
recognize Wired LAN
connection
1. LAN Setting or network environment is
not correct.
Check the LAN Setting and network environment in Sec
11.3. Network Troubleshooting (Wired LAN)
.
2. LAN 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) JK4 (LAN connector)
(2) LF7 (Common mode filter)
(3) LF8 (Common mode filter)
(4) LF9 (Common mode filter)
(5) LF10 (Common mode filter)
(6) IC9 (PF4)
then repair it.
(1) JK4 (LAN connector)
(2) LF7 (Common mode filter)
(3) LF8 (Common mode filter)
(4) LF9 (Common mode filter)
(5) LF10 (Common mode filter)
(6) IC9 (PF4)
2. Replace the CONTROL Board.
Symptom
Possible Cause
Recommended action
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