KV-S8147, KV-S8127, KV-S8150, KV-S8130, KV-S8120 - Panasonic Other Service Manuals Service Manual (repair manual). Page 110

110

U34 (Pre-imprinter 
door was open.)

24

00

00

00 1. Door is not completely closed.

Close the door completely.

2. Door Switch (PRE-IMPRINTER 

DOOR SENSOR Board) does 
not work correctly.

1. Execute “Key/Sensor” in Sec. 10.3.7. to 

check the Pre-Imprinter door switch ON/OFF 
condition.

2. Check the condition between the PRE-

IMPRINTER DOOR SENSOR Board and 
CN5 on CONTROL Board.

3. Replace a faulty cable.
4. Replace the PRE-IMPRINTER DOOR SEN-

SOR Board.

5. Replace the CONTROL Board.

F17 
(Image memory error)

87

xx

00

00 Access error to SDRAM 

(IC10, IC11, IC13, and IC14) 

1. Check the soldering condition of the parts
    surrounding the Gate Arrays (IC1 and IC2).
2. Check the soldering condition of the SDRAM
    (IC10, IC11, IC13, and IC14). 
3. Replace faulty parts or faulty Board.

F30 (FAN error)

94

00

00

00 1. Drive circuit does not work prop-

erly. 

1.  Check the connection between FAN and 

CN2020 or CN2021 (DRIVE Board).

2. Check the connection between CN2008 

(DRIVE Board), FFC cable and CN15 
(CONTROL Board). 

3. Check the fan power supply circuit (DRIVE 

Board), or replace the DRIVE Board.

4. Replace the FAN.

2. Mechanical problem blocks FAN 

rotation.

1. Remove obstacles that  blocks the FAN 

rotation.

2. Replace the FAN.

F31 (Analog IC error)

95

xx

00

00 Access error to Analogue IC

1. Check the following connection and 

soldering condition to repair it.
a. CIS(F) Unit to CN3502 (CIS(F) RELAY 
    board)
b. CN3500, CN3501 CIS(F) RELAY board to 
    CN1, CN2 (CONTROL Board)
c. CIS(B) Unit to CN3602 (CIS(B) RELAY 
    board)
d. CN3600, CN3601 (CIS(B) RELAY board) 
    to CN3, CN4 (CONTROL Board)

2. Check the following signals at Power ON.

a. CN1-1st pin : 3.9 V
b. CN3-1st pin : 3.9 V

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 (JK1) and its surrounding
    circuit on the CONTROL Board to repair it.
2. Replace faulty parts or CONTROL Board.

F35 (Image process-
ing error)

99

xx

00

00 Image processing internal memory 

error

1. Check the soldering condition of the parts 
    surrounding ASIC (IC1, IC2).
2. Replace faulty parts or CONTROL Board.

F36 (ASIC (Front) 
SDRAM Error)

9A

xx

00

00 Access error to SDRAM (IC10 and 

IC11) 
 

1. Check the soldering condition of the parts 
    surrounding the ASIC (IC1).
2. Check the soldering condition of the SDRAM 
    (IC10 and IC11).
3. Replace faulty parts or CONTROL Board.

F38 (ASIC (Back) 
SDRAM Error)

9C

xx

00

00 Access error to SDRAM (IC13 and 

IC14)

1. Check the soldering condition of the parts 
    surrounding the ASIC (IC2).
2. Check the soldering condition of the 
    SDRAM(IC13 and IC14).
3. Replace faulty parts or CONTROL Board.

F39 (LCD Error)

9D

00

00

00 LCD control does not work 

correctly.

1. Check the following connection and solder-

ing condition on each connector.
CN17, JK5 (Control Board) to CN4501, 
JK4500 (LCD Board).

2. Check the soldering condition of IC4500 

(LCD Board).