Panasonic KV-S5055C (serv.man2) Service Manual ▷ View online
113
6. Double Feed Detector (R) does
not work, properly.
not work, properly.
1. Execute Double Feed test in Sec.9.3.6 to
check the detector condition.
2. Check whether the Double Feed
Detector (R) is aligned property.
3. Check the following connection and
soldering condition on each connector.
check the detector condition.
2. Check whether the Double Feed
Detector (R) is aligned property.
3. Check the following connection and
soldering condition on each connector.
a. CN2010 (USR SENSOR Board) to
CN2005 (USS RELAY Board)
b. CN2001 (USS RELAY Board)
to CN1007 (CONTROL Board)
4. Check the following parts' soldering
condition to repair it.
b. CN2001 (USS RELAY Board)
to CN1007 (CONTROL Board)
4. Check the following parts' soldering
condition to repair it.
a. CONTROL Board
IC0006 - 98th pin
b. USS RELAY board
All parts.
All parts.
5. Check the following signals on the USS
RELAY Board.
RELAY Board.
a. DC 12 V signal (CN2001-7th pin)
b. DC 5 V signal (CN2001-6th pin)
b. DC 5 V signal (CN2001-6th pin)
6. Replace faulty parts or boards.
U25 (Detect document
with staples
(Double-feed detec-
tion)
with staples
(Double-feed detec-
tion)
1E
00
00
00 1. Refer to each item on classified code U23.
U26 (Detect document
with staples (Bent-
paper detection)
with staples (Bent-
paper detection)
1F
xx
00
00 1. Bent Paper was detected.
1. Check whether the scanned documents are
fixed by staples or others.
2. Set the documents on the Hopper orderly,
and then scan them again.
fixed by staples or others.
2. Set the documents on the Hopper orderly,
and then scan them again.
2. Some of Bent Paper Sensors do
not work, properly.
not work, properly.
1. Execute Key/Sensor test in Sec. 9.3.6 to
check Bent Paper Sensors' condition while
covering the sensors with white paper.
2. Check whether the BENT PAPER SENSOR
S (L) Board, BENT PAPER SENSOR R (L)
Board, BENT PAPER SENSOR S (R) Board
and BENT PAPER SENSOR R (R) Board
are aligned properly.
3. Check the following connection and
soldering condition on each connector,
check Bent Paper Sensors' condition while
covering the sensors with white paper.
2. Check whether the BENT PAPER SENSOR
S (L) Board, BENT PAPER SENSOR R (L)
Board, BENT PAPER SENSOR S (R) Board
and BENT PAPER SENSOR R (R) Board
are aligned properly.
3. Check the following connection and
soldering condition on each connector,
a. CN2007 (USS RELAY Board) to CN3005
(BENT RELAY Board)
b. CN3006 (BENT RELAY Board) to CN3010
(BENT PAPER SENSOR R (L) Board)
c. CN3011 (BENT PAPER SENSOR R (L)
Board) to CN3014 (BENT PAPER
SENSOR S (L) Board)
d. CN3007(BENT RELAY Board) to CN3012
(BENT PAPER SENSOR R(R) Board)
e. CN3013(BENT PAPER SENSOR R(R)
Board) to CN3015(BENT PAPER
SENSOR S (R) Board)
(BENT RELAY Board)
b. CN3006 (BENT RELAY Board) to CN3010
(BENT PAPER SENSOR R (L) Board)
c. CN3011 (BENT PAPER SENSOR R (L)
Board) to CN3014 (BENT PAPER
SENSOR S (L) Board)
d. CN3007(BENT RELAY Board) to CN3012
(BENT PAPER SENSOR R(R) Board)
e. CN3013(BENT PAPER SENSOR R(R)
Board) to CN3015(BENT PAPER
SENSOR S (R) Board)
4. Check the following parts’ soldering
condition to repair it.
a. CONTROL Board
condition to repair it.
a. CONTROL Board
IC0015 (21, 23, 24, and 27th pins)
b. USS RELAY Board
IC2008 (3, 15, 18, 20, 22, 24, and
b. USS RELAY Board
IC2008 (3, 15, 18, 20, 22, 24, and
27th pins)
IC2001 to IC2003, IC2005, IC2006, Q2009
to Q2014, and their surrounding circuit.
5. Check the following signals
5. Check the following signals
a. DC14 V signal (CN2006-3rd pin and
CN2007-1st pin)
b. BPS_D_L (CN3014-3rd pin) and
CN2007-1st pin)
b. BPS_D_L (CN3014-3rd pin) and
BPS_D_R (CN3015-3rd pin)
→ See Fig. 11.
6. Replace faulty parts or boards.
U30 (ADF Door or
Imprinter Door is
open.)
Imprinter Door is
open.)
20
00
00
00 1. ADF Door or Imprinter Door is
not closed enough.
Shut the door properly.
Error Code
Possible Cause
Check Point
Remarks
Classified Code ST1 ST2 ST3 ST4
114
2. Door Switch (Micro switch) does
not work correctly.
not work correctly.
1. Execute Key/Sensor in Sec. 9.3.6 to check
the door switch (Door Sensor) ON/OFF
condition.
2. Check the condition between the Door
Switch and CN4006 on DRIVE Board.
3. Check the Door Switch mechanical
condition.
4. Replace a faulty cable.
5. Replace the Door Switch.
the door switch (Door Sensor) ON/OFF
condition.
2. Check the condition between the Door
Switch and CN4006 on DRIVE Board.
3. Check the Door Switch mechanical
condition.
4. Replace a faulty cable.
5. Replace the Door Switch.
3. Monitor circuit to check the door
ON/OFF condition is broken.
ON/OFF condition is broken.
1. Execute Key/Sensor in Sec. 9.3.6 to check
the door switch ON/OFF condition.
2. Check 24VIL signal line (CN4006-2nd pin)
3. Check DOOR signal (CN4002-34th)
the door switch ON/OFF condition.
2. Check 24VIL signal line (CN4006-2nd pin)
3. Check DOOR signal (CN4002-34th)
→ +5 V (when the door is open)
0 V (when the door is closed)
4. Replace a faulty cable.
5. Replace the DRIVE Board.
6. Replace the CONTROL Board.
4. Replace a faulty cable.
5. Replace the DRIVE Board.
6. Replace the CONTROL Board.
F17 (SD-RAM error)
87
xx
00
00 Access error to SDRAM (IC0040 to
IC0043) on the CONTROL Board
1. Check the soldering condition of the parts
surrounding the ASIC (IC0035 and IC0038)
2. Check the soldering condition of the SDRAM
(IC0040 to IC0043).
3. Replace faulty parts or CONTROL Board.
surrounding the ASIC (IC0035 and IC0038)
2. Check the soldering condition of the SDRAM
(IC0040 to IC0043).
3. Replace faulty parts or CONTROL Board.
F18 (Extension SD-
RAM error)
RAM error)
88
xx
00
00 Access error to an additional
SDRAM attached to CN0017 and
CN0018
CN0018
1. Check whether the additional SDRAM is
attached to CN0017 and CN0018, properly.
Or reattached it.
2. Make sure that the optional SDRAM meets
our recommended specifications.
(See 4.5 for details.)
3. Check the soldering condition of the parts
surrounding the ASIC (IC0035 and IC0038)
on the CONTROL Board to repair it.
4. Check the soldering condition of the CN0017
and CN0018 (for the SDRAM) and its
surrounding circuit on the CONTROL
Board to repair it.
5. Replace faulty parts or CONTROL Board.
attached to CN0017 and CN0018, properly.
Or reattached it.
2. Make sure that the optional SDRAM meets
our recommended specifications.
(See 4.5 for details.)
3. Check the soldering condition of the parts
surrounding the ASIC (IC0035 and IC0038)
on the CONTROL Board to repair it.
4. Check the soldering condition of the CN0017
and CN0018 (for the SDRAM) and its
surrounding circuit on the CONTROL
Board to repair it.
5. Replace faulty parts or CONTROL Board.
F31 (Analog IC error)
95
xx
00
00 Access error to Analogue IC
1. Check the following connection and
soldering condition to repair it.
soldering condition to repair it.
a. CN5002 (CCD (F) Board) to CN1003
(CONTROL Board)
b. CN5002 (CCD (B) Board to CN1005
(CONTROL Board)
c. CN5003 (CCD (F) Board) to CN1004
(CONTROL Board)
d. CN5003 (CCD (B) Board) to CN1006
(CONTROL Board)
e. IC7 and IC8 (CCD (F) Board and
CCD (B) Board) and their surround circuit.
f. IC0006 (CONTROL Board) and its
(CONTROL Board)
b. CN5002 (CCD (B) Board to CN1005
(CONTROL Board)
c. CN5003 (CCD (F) Board) to CN1004
(CONTROL Board)
d. CN5003 (CCD (B) Board) to CN1006
(CONTROL Board)
e. IC7 and IC8 (CCD (F) Board and
CCD (B) Board) and their surround circuit.
f. IC0006 (CONTROL Board) and its
surround circuit.
2. Check the following signals during power-on.
a. AFE_SDF (CN1004-12th pin): See Fig. 10.
b. AFE_SDB (CN1006-12th pin): See Fig.10.
c. 3.3 V (CN5003-9th pin on the CCD (F)
Board and the CCD (B) Board)
3. Replace faulty parts or boards.
2. Check the following signals during power-on.
a. AFE_SDF (CN1004-12th pin): See Fig. 10.
b. AFE_SDB (CN1006-12th pin): See Fig.10.
c. 3.3 V (CN5003-9th pin on the CCD (F)
Board and the CCD (B) Board)
3. Replace faulty parts or boards.
F33 (USB IC error)
97
00
00
00 Access error to USB Controller
1. Check the soldering condition of the USB
Controller (IC0010) and its surrounding
circuit on the CONTROL Board to repair it.
2. Check the soldering condition of CPU
(IC0006) on the CONTROL Board.
3. Replace faulty parts or CONTROL Board.
Controller (IC0010) and its surrounding
circuit on the CONTROL Board to repair it.
2. Check the soldering condition of CPU
(IC0006) on the CONTROL Board.
3. Replace faulty parts or CONTROL Board.
F34 (EEPROM error)
98
00
00
00 Access error to EEPROM
1. Check the soldering condition of the
EEPROM (IC0004) and its surrounding
circuit on the CONTROL Board.
2. Check the soldering condition of the CPU
(IC0006-89,90, and 100th pins) and their
surrounding circuit on the CONTROL Board.
3. Replace faulty parts or CONTROL Board.
EEPROM (IC0004) and its surrounding
circuit on the CONTROL Board.
2. Check the soldering condition of the CPU
(IC0006-89,90, and 100th pins) and their
surrounding circuit on the CONTROL Board.
3. Replace faulty parts or CONTROL Board.
Error Code
Possible Cause
Check Point
Remarks
Classified Code ST1 ST2 ST3 ST4
115
F35 (Image process-
ing FPGA/DDR2 error)
ing FPGA/DDR2 error)
99
xx
00
00 Access error to DDR2(IC0033 or
IC0034)
1. Check the soldering condition of the parts
surrounding FPGA (IC0030 and IC0031).
2. Check the soldering condition of the DDR2
(IC0033 and IC0034).
3. Replace faulty parts or CONTROL Board.
surrounding FPGA (IC0030 and IC0031).
2. Check the soldering condition of the DDR2
(IC0033 and IC0034).
3. Replace faulty parts or CONTROL Board.
F36 (Front ASIC error) 9A
xx
00
00 Access error to SDRAM (IC0040
and IC0041)
1. Check the soldering condition of the parts
surrounding the ASIC (IC0035).
2. Check the soldering condition of the SDRAM
(IC0040 and IC0041).
3. Replace faulty parts or CONTROL Board.
surrounding the ASIC (IC0035).
2. Check the soldering condition of the SDRAM
(IC0040 and IC0041).
3. Replace faulty parts or CONTROL Board.
F38 (Back Gate Array
error)
error)
9C
xx
00
00 Access error to SDRAM (IC0042
and IC0043)
1. Check the soldering condition of the parts
surrounding the Gate Array (IC0038).
2. Check the soldering condition of the
SDRAM(IC0042 to IC0043).
3. Replace faulty parts or CONTROL Board.
surrounding the Gate Array (IC0038).
2. Check the soldering condition of the
SDRAM(IC0042 to IC0043).
3. Replace faulty parts or CONTROL Board.
F42 (DFP Home
Position error)
Position error)
32
00
00
00 1. DFP Pressure Motor does not
work, properly.
Refer to the 7th item on Classified Code U12.
2. DFP Pressure Motor control
circuit does not work, properly.
circuit does not work, properly.
Refer to the 8th item on Classified Code U12.
3. Rotation from DFP Pressure
Motor is not normally transferred to
the DFP Adjustable Drive Shaft
that controls DFP Roller's position.
Motor is not normally transferred to
the DFP Adjustable Drive Shaft
that controls DFP Roller's position.
1. Check the ADF mechanism. (See Sec.6.)
2. Execute DFP Pressure Drive in Sec. 9.3.6
to check the ADF mechanism.
2. Execute DFP Pressure Drive in Sec. 9.3.6
to check the ADF mechanism.
4. DFP Home Detector does not
work, correctly.
work, correctly.
1. Execute Key/Sensor test in the Sec. 9.3.6
to check the detector condition.
2. Check whether the tip of the DFP Adjustable
Drive Shaft interrupts the detector.
3. Check the following connection and
soldering condition on each connector.
to check the detector condition.
2. Check whether the tip of the DFP Adjustable
Drive Shaft interrupts the detector.
3. Check the following connection and
soldering condition on each connector.
a. CN3002(DFP HOME SENSOR Board) to
CN2003 (USR RELAY Board)
b. CN2001 (USR RELAY Board) to CN1007
(CONTROL Board)
4. Check "DFP_HOME" signal.: 5 V (when the
tip of the DFP Adjustable Drive Shaft
interrupts IC3001 (DFP Home Sensor) on
the DFP HOME SENSOR Board.)
tip of the DFP Adjustable Drive Shaft
interrupts IC3001 (DFP Home Sensor) on
the DFP HOME SENSOR Board.)
→ CN1007-2nd pin and IC0017-5th pin
5. Check the soldering condition of IC0017 on
the CONTROL Board and repair it.
6. Replace faulty parts or boards.
the CONTROL Board and repair it.
6. Replace faulty parts or boards.
F60 (Front-side gain
adjustment error)
adjustment error)
50
00
00
00 1. Scanning Glass (F) is dirty.
Clean the glass surface. (See 7.2.)
2. Light Unit (F) does not work
properly.
properly.
1. Execute CCD Level test in Sec.9.3.6 to
check the peak level.
2. Check that LED (F) lights during CCD Level
test.
3. Check the following connections and
soldering condition on each connector.
a. LED (F) Board to CN4007 (DRIVE Board)
b. CN4002 (DRIVE Board) to CN1002
(CONTROL Board)
4. Check the lamp control signals to the Lamp
Driver.
check the peak level.
2. Check that LED (F) lights during CCD Level
test.
3. Check the following connections and
soldering condition on each connector.
a. LED (F) Board to CN4007 (DRIVE Board)
b. CN4002 (DRIVE Board) to CN1002
(CONTROL Board)
4. Check the lamp control signals to the Lamp
Driver.
→ IC4009-1st pin: 10 V
→ CN4002-27th pin: 0 V (when lamp is ON)
5. Replace faulty parts or boards.
Error Code
Possible Cause
Check Point
Remarks
Classified Code ST1 ST2 ST3 ST4
116
3. Pixel data from Optical Unit
Front or image processing
circuit has some problems.
Front or image processing
circuit has some problems.
1. Check the following connections and
soldering condition on each connector.
a. CN5002 (CCD (F) Board) to CN1003
(CONTROL Board)
b. CN5003 (CCD (F) Board) to CN1004
(CONTROL Board)
2. Check the following power supply to
CONTROL Board.
soldering condition on each connector.
a. CN5002 (CCD (F) Board) to CN1003
(CONTROL Board)
b. CN5003 (CCD (F) Board) to CN1004
(CONTROL Board)
2. Check the following power supply to
CONTROL Board.
→ CN1004-1st pin (CONTROL Board): 12 V
→ CN1004-3rd pin (CONTROL Board): 5 V
→ CN1004-5th pin (CONTROL Board): 3.3 V
3. Check that the following signals on the
CONTROL Board are normal.
CONTROL Board are normal.
→ Test point (R0040): 30 MHz
4. Check the soldering condition of the all ICs
and their surrounding parts on the CCD (F)
Board.
5. Check the soldering condition of the
CN1004, IC0001, and their surrounding
circuit on the CONTROL Board.
6. Replace faulty parts or boards.
and their surrounding parts on the CCD (F)
Board.
5. Check the soldering condition of the
CN1004, IC0001, and their surrounding
circuit on the CONTROL Board.
6. Replace faulty parts or boards.
F61 (Front-side
black level error)
black level error)
51
00
00
00 1. Pixel data from Optical Unit
Front or image processing
circuit has some problems.
circuit has some problems.
Refer to the above 3rd item on the F60.
F62 (Back-side gain
adjustment error)
adjustment error)
52
00
00
00 1. Scanning Glass (B) is dirty.
Clean the glass surface. (See 7.2.)
2. Light Unit (B) does not work
properly.
properly.
1. Execute CCD Level test in Sec.9.3.6 to
check the peak level.
2. Check that LED (B) lights during CCD Level
test.
3. Check the following connections and
soldering condition on each connector.
a. LED (B) Board to CN4008 (DRIVE Board)
b. CN4002 (DRIVE Board) to CN1002
(CONTROL Board)
4. Check the lamp control signals to the Lamp
Driver.
check the peak level.
2. Check that LED (B) lights during CCD Level
test.
3. Check the following connections and
soldering condition on each connector.
a. LED (B) Board to CN4008 (DRIVE Board)
b. CN4002 (DRIVE Board) to CN1002
(CONTROL Board)
4. Check the lamp control signals to the Lamp
Driver.
→ IC4009-1st pin: 10 V
→ CN4002-28th pin: 0 V (when lamp is ON)
5. Replace faulty parts or boards.
3. Pixel data from Optical Unit Back
or image processing circuit
has some problems.
or image processing circuit
has some problems.
1. Check the following connections and
soldering condition on each connector.
a. CN5002 (CCD (B) Board) to CN1005
(CONTROL Board)
b. CN5003(CCD (B) Board) to CN1006
(CONTROL Board)
2. Check the following power supply to
CONTROL Board.
soldering condition on each connector.
a. CN5002 (CCD (B) Board) to CN1005
(CONTROL Board)
b. CN5003(CCD (B) Board) to CN1006
(CONTROL Board)
2. Check the following power supply to
CONTROL Board.
→ CN1006-1st pin (CONTROL Board): 12 V
→ CN1006-3rd pin (CONTROL Board): 5 V
→ CN1006-5th pin (CONTROL Board): 3.3 V
3. Check that the following signals on the
CONTROL Board are normal.
CONTROL Board are normal.
→ Test point (R0081): 30 MHz
4. Check the soldering condition of the all ICs
and their surrounding parts on the CCD (B)
Board.
5. Check the soldering condition of the
CN1006, IC0002, and their surrounding
circuit on the CONTROL Board.
6. Replace faulty parts or boards
and their surrounding parts on the CCD (B)
Board.
5. Check the soldering condition of the
CN1006, IC0002, and their surrounding
circuit on the CONTROL Board.
6. Replace faulty parts or boards
Error Code
Possible Cause
Check Point
Remarks
Classified Code ST1 ST2 ST3 ST4
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