Panasonic KV-S7065C (serv.man4) Service Manual ▷ View online
Phenomenon
Possible Cause
Check Point
Remarks
FAN does not rotate.
1. Electrical circuit does not work properly. 1.
Check the connection between the FAN and CN803
(POWER Board).
(POWER Board).
2.
Check the following signals on the POWER Board.
a.
CN803-1
st
pin: 24 V
2. Mechanical problem prevents FAN from
rotating.
rotating.
1.
Check whether obstacles that prevent the FAN from
rotating exist.
rotating exist.
2.
Replace the faulty FAN.
Door switch does not
work correctly.
work correctly.
Refer to Error Code “U30” (See 10.2.1.).
Refer to Error Code “U30” (See 10.2.1.).
Buzzer does not
sound.
sound.
Buzzer or its control circuit does not
operate correctly.
operate correctly.
1.
Check the following connection and soldering
condition on each connector.
condition on each connector.
a.
CN5023 (PANEL Board) to CN4004 (DRIVE
Board)
Board)
b.
CN4002 (DRIVE Board) to CN1008 (CONTROL
Board)
Board)
2.
Check the soldering condition of Q5025, Q5027,
Q5029, and their surrounding circuit on the PANEL
Board, and of IC1024 on the CONTROL Board.
Q5029, and their surrounding circuit on the PANEL
Board, and of IC1024 on the CONTROL Board.
3.
Check the following signals CN5023-1
st
, CN1008-8
th
pins: 1 kHz (when the buzzer sounds)
4.
Replace faulty parts or boards.
Scanning size is not
detected properly.
detected properly.
1. The location between document guide
slider and Size Detector is not proper to
detect document size.
slider and Size Detector is not proper to
detect document size.
1.
Check whether the attachment of the SIZE
DETECTOR Board is proper.
DETECTOR Board is proper.
2.
Check the tip of the slider on the bottom of the
hopper interrupts the detector, according to sliding the
guide, normally.
hopper interrupts the detector, according to sliding the
guide, normally.
3.
Reattach or replace parts.
2. The Size detector or its monitor circuit
does not work correctly.
does not work correctly.
1.
Execute Key / Sensor test in Sec.9.3.6 to check the
detector condition.
detector condition.
2.
Check the following connection and soldering
condition on each connector.
condition on each connector.
a.
CN5010 (SIZE DETECTOR Board) to CN5013
(HOPPER RELAY Board)
(HOPPER RELAY Board)
b.
CN5014 (HOPPER RELAY Board) to CN5020
(SENSOR RELAY Board)
(SENSOR RELAY Board)
c.
CN5022 (SENSOR RELAY Board) to CN1009
(CONTROL Board)
(CONTROL Board)
3.
Check the following parts’ and their surrounding
circuit’s soldering condition on the SIZE DETECTOR
Board and CONTROL Board
circuit’s soldering condition on the SIZE DETECTOR
Board and CONTROL Board
a.
SIZE DETECTOR Board
IC5008 to IC5012, Q5007 to Q5011
IC5008 to IC5012, Q5007 to Q5011
b.
CONTROL Board
IC1036
IC1036
4.
Check the following signal on the CONTROL Board
(in case of A4 size)
(in case of A4 size)
→ CN1009-2
nd
pin: 3.3 V (High)
→ CN1009-3
rd
pin: 3.3 V (High)
→ CN1009-4
th
pin: 0 V (Lower)
→ CN1009-5
th
pin: 0 V (Lower)
→ CN1009-6
th
pin: 0 V (Lower)
5.
Replace faulty parts or boards.
109
KV-S7065CSERIES
Phenomenon
Possible Cause
Check Point
Remarks
Document cover’s
open/close information
cannot be recognized.
open/close information
cannot be recognized.
1. The location between document cover’s
actuator and Document Cover Detector is
not proper to detect cover’s closing status.
actuator and Document Cover Detector is
not proper to detect cover’s closing status.
1.
Check whether the attachment of the DOCUMENT
COVER DETECTOR Board is proper.
COVER DETECTOR Board is proper.
2.
Check the actuator interrupts detector when closing
the cover normally.
the cover normally.
3.
Reattach or replace parts.
2. The Document Cover Detector or its
monitor circuit does not work correctly.
monitor circuit does not work correctly.
1.
Execute Key / Sensor test in Sec.9.3.6 to check the
detector condition.
detector condition.
2.
Check the following connection and soldering
condition on each connector.
condition on each connector.
a.
CN5034 (DOCUMENT COVER DETECTOR
Board) to CN4017 (DRIVE Board)
Board) to CN4017 (DRIVE Board)
b.
CN4002 (DRIVE Board) to CN1008 (CONTROL
Board)
Board)
3.
Check the following parts’ and their surrounding
circuit’s soldering condition on the DOCUMENT
COVER DETECTOR Board and CONTROL Board
circuit’s soldering condition on the DOCUMENT
COVER DETECTOR Board and CONTROL Board
a.
DOCUMENT COVER DETECTOR Board
→ IC5018, Q5030
b.
CONTROL Board
→ IC1035
4.
Check the following signal on the CONTROL Board
(in case of closing the cover.)
(in case of closing the cover.)
IC1035-4
th
pin: 3.3 V
5.
Replace faulty parts or boards.
ADF scanning image
for front side or flatbed
scanning image is not
clear.
for front side or flatbed
scanning image is not
clear.
1. Optical function block on the CIS has a
problem.
problem.
1.
Check the surface of the ADF Glass (F) is not dirty.
→ Clean the surface with the cleaning paper.
2.
Alien substance in the CIS
→ Remove it.
2. Pixel data from CIS (F) or image
processing circuit have some problems.
processing circuit have some problems.
1.
Check the following connection and soldering
condition on each connector.
condition on each connector.
a.
CIS (F) to CN3003 (CARRIAGE RELAY Board)
b.
CN3001 (CARRIAGE RELAY Board) to CN1003
(CONTROL Board)
(CONTROL Board)
c.
CN1000 (CONTROL Board) to CN2000
(INTERFACE Board)
(INTERFACE Board)
2.
Check the following CIS timing signals on the
CARRIAGE RELAY Board are normal.
CARRIAGE RELAY Board are normal.
→ CN3003-35
th
pin: 5 MHz
→ CN3003-33
rd
pin: 5 MHz
3.
Check the soldering condition of the IC1010, IC1011,
IC1024 and their surrounding circuit on the CONTROL
Board.
IC1024 and their surrounding circuit on the CONTROL
Board.
4.
Check the soldering condition of the IC1008, IC1009,
and their surrounding circuit on the CONTROL Board.
and their surrounding circuit on the CONTROL Board.
5.
Check the soldering condition of the IC2045 and its
surrounding circuit on the INTERFACE Board.
surrounding circuit on the INTERFACE Board.
6.
Replace faulty parts or boards.
110
KV-S7065CSERIES
Phenomenon
Possible Cause
Check Point
Remarks
ADF scanning image
for back side image is
not clear.
for back side image is
not clear.
1. Optical function block on the CIS has a
problem.
problem.
1.
Check the surface of the ADF Glass (B) is not dirty.
→ Clean the surface with the cleaning paper.
2.
Alien substance in the CIS
→ Remove it.
2. Pixel data from CIS (B) or image
processing circuit have some problems.
processing circuit have some problems.
1.
Check the following connection and soldering
condition on each connector.
condition on each connector.
a.
CIS (B) to CN3006 (CIS RELAY Board)
b.
CN3005 (CIS RELAY Board) to CN1002
(CONTROL Board)
(CONTROL Board)
c.
CN3004 (CIS RELAY Board) to CN1001
(CONTROL Board)
(CONTROL Board)
d.
CN1000 (CONTROL Board) to CN2000
(INTERFACE Board)
(INTERFACE Board)
2.
Check the following CIS timing signals are normal.
→ CN3006-6
th
pin: 5 MHz
→ CN3006-8
th
pin: 5 MHz
3.
Check the soldering condition of the IC1012, IC1013,
IC1024 and their surrounding circuit on the CONTROL
Board.
IC1024 and their surrounding circuit on the CONTROL
Board.
4.
Check the soldering condition of the IC1006, IC1007,
and their surrounding circuit on the CONTROL Board.
and their surrounding circuit on the CONTROL Board.
5.
Check the soldering condition of the IC2046 and its
surrounding circuit on the INTERFACE Board.
surrounding circuit on the INTERFACE Board.
6.
Replace faulty parts or boards.
Scanning position is
shifted.
shifted.
1. When reassembling CIS or mechanical
parts related to conveying documents,
re-adjustment has not been done.
parts related to conveying documents,
re-adjustment has not been done.
Execute All Position or Individual Position test in
Sec.9.3.7 to adjust the scanning position.
Sec.9.3.7 to adjust the scanning position.
2. When replacing CONTROL Board, CIS,
or mechanical parts related to conveying
documents, re-adjustment has not been
done.
or mechanical parts related to conveying
documents, re-adjustment has not been
done.
The document skews
when scanning.
when scanning.
1. Document quality is out of this
scanner’s specification.
scanner’s specification.
Check the specification on this scanner. (See Sec. 2.)
2. Rollers are dirty.
Clean the rollers. (See 7.2.)
3. Rollers are not attached to the default
position properly when assembling.
position properly when assembling.
Assemble the rollers again.
4. Rollers have reached their life
expectancy.
expectancy.
After inspecting them, replace the roller.
111
KV-S7065CSERIES
Fig.10.1.1
Fig.10.1.2
112
KV-S7065CSERIES
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