KV-S4065CL, KV-S4065CW, KV-S4065CWCN, KV-S4085CL, KV-S4085CW, KV-S4085CWCN - Panasonic Other Service Manuals Service Manual (repair manual). Page 127

127

2. One or more of the Bent Paper
Sensors do not work correctly.

1.Execute “Key/Sensor” test in Sec. 9.3.6 to
check Bent Paper Sensors' condition while
covering the sensors with clean white paper.
2. Check whether the BENT PAPER R(R)
SENSOR Board, BENT PAPER L(R) SENSOR
Board, BENT PAPER R(S) SENSOR Board,
and BENT PAPER L(S) SENSOR Board are
aligned properly.
3. Check the following connections and
soldering condition on each connector.
   a. CN2010 (RELAY(UPPER) Board) to
       CN3013 (BENT PAPER R (R) SENSOR
        Board)
   b. CN3014 (BENT PAPER R(R) SENSOR
       Board) to CN3015 (BENT PAPER R(S)
        SENSOR Board)
   c. CN2011(RELAY(UPPER) Board) to
       CN3016 (BENT PAPER L(R) SENSOR
        Board)
   d. CN3017(BENT PAPER L (R) SENSOR
       Board) to CN3018(BENT PAPER L(S)
        SENSOR Board)
4.Check the following parts’ soldering condition
to repair it.
   a. CONTROL board
      IC1024 (21, 23, 24, and 27th pins)
   b. RELAY (UPPER) Board
     IC2017 (3, 15, 18, 20, 22, 24, and 27th pins)
    IC2000, IC2002 to IC2005, IC2008, Q2028,
    Q2029,Q2034 to Q2037, and their
     surrounding circuits.
5. Check the following signals, while turning off
     the sensor (IC1026).
  a. DC14 V signal (CN2010-1st pin and
      CN2011-1st pin)
  b. BPS_D_R (CN2010-2nd pin) and BPS_D_L
       (CN2011-2nd pin): See Fig.10.
6. Replace faulty parts or boards.

U30 (Front door was
open.)

20

00

00

00 1. Front Door is not completely

    closed.

Close the door completely.

2. Front Door Switch (Micro switch)
does 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 CN4002 on DRIVE Board.
3. Check the Door Switch mechanical
condition.
4. Replace a faulty cable.
5. Replace the Door Switch.

3. The monitor circuit that checks
the door 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 (CN4002-2nd pin).
3. Check DOOR signal (CN4005-27th).
     

→

 +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.

U32 (Post-imprinter
Door open.)

22

00

00

00 1. Post-imprinter Door is not

 completely closed.

Close the door completely.