Read Panasonic KV-S7065C (serv.man4) Service Manual online
Error Code
Possible Cause
Check Point
Remarks
Classified Code
ST1
ST2
ST3
ST4
U11
(Paper feed jam:
Paper does not
reach the Waiting
Sensor)
(Paper feed jam:
Paper does not
reach the Waiting
Sensor)
11
00
00
00
5. Waiting Sensor does not work
correctly.
correctly.
1.
Execute Key / Sensor and Sensor
Sensitive Level tests in Sec.9.3.6 to
check the sensor condition.
Sensitive Level tests in Sec.9.3.6 to
check the sensor condition.
2.
Check whether the sensor alignment is
proper (whether the sensor direction faces
to its reflector.)
proper (whether the sensor direction faces
to its reflector.)
3.
Check the following connection and
soldering condition on each connector.
soldering condition on each connector.
a.
CN5006 (WAITING SENSOR Board)
to CN5002 (OUTER CONVEYOR
RELAY Board)
to CN5002 (OUTER CONVEYOR
RELAY Board)
b.
CN5004 (OUTER CONVEYOR
RELAY Board) to CN1014 (CONTROL
Board)
RELAY Board) to CN1014 (CONTROL
Board)
4.
Check the following signals.
a.
STBY signal (CN5006-2
nd
pin,
CN5004-9
th
pin)
→ 1.5 V or less (when none exists on
the Waiting Sensor)
the Waiting Sensor)
b.
Check the reference signal for the
STBY signal on the CONTROL Board.
STBY signal on the CONTROL Board.
IC1014-2
nd
pin: 1.5 V or less
IC1016-5
th
pin: Approx. 1.5 V
c.
Check comparator output signal.
→ IC1016-2
nd
pin: 3.3 V (when no
document exists)
5.
Replace faulty parts or cables.
6. Paper Feed Motor does not work
properly.
properly.
1.
Check the motor mechanism condition by
carrying out Feed Motor test.
(See 9.3.6.)
carrying out Feed Motor test.
(See 9.3.6.)
2.
Check the following connection and
soldering condition on each connector.
soldering condition on each connector.
a.
Paper Feed Motor to CN5032
(POWER RELAY Board)
(POWER RELAY Board)
b.
CN5025 to CN5032 on the POWER
RELAY Board
RELAY Board
3.
Check the following signals
→ CN5032-1, 4, 5, 7
th
pins
See Fig.10.2.1.
4.
Replace faulty cables.
5.
Replace the Paper Feed Motor.
7. Paper Feed Motor control circuit
does not work properly.
does not work properly.
1.
Check following connection and soldering
condition on each connector.
condition on each connector.
a.
CN5025 (POWER RELAY Board) to
CN4008 (DRIVE Board)
CN4008 (DRIVE Board)
b.
CN4001 (DRIVE Board) to CN1007
(CONTROL Board)
(CONTROL Board)
c.
CN1000 (CONTROL Board) to
CN2000 (INTERFACE Board)
CN2000 (INTERFACE Board)
2.
Check the soldering condition of IC4002
on DRIVE Board to repair it.
on DRIVE Board to repair it.
3.
Check the following signals on the DRIVE
Board.
Board.
a.
IC4002-11
th
pin (CLK): See Fig.10.2.2.
b.
IC4002-7
th
pin (VREF): 2.3 V or less
c.
IC4002-15
th
pin (ENABLE): 5 V (when
executing “Feed Motor” test)
4.
Check the soldering condition of the
following signals on the CONTROL Board
following signals on the CONTROL Board
a.
IC1038-11
th
pin (CLK)
b.
IC1038-2, 5, 6, 9, 12
th
pins
5.
Replace faulty parts or boards.
114
KV-S7065CSERIES
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