Panasonic KV-S5046H, Service Manual

Page: 127 / 325

127
2. 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. Monitor circuit to check 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 (CN4003-3rd)

+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.
F17 (SD-RAM error) 87 xx 00 00 Access error to SDRAM (IC0040 to
IC0043, IC0055 to IC0058) 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, IC0055 to IC0058).
3. 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.
a. CIS(F) Unit to CN2022(CIS(F) RERAY
Board)
b. CN2024(CIS(F) RERAY Board) to
CN1004(CONTROL Board).
c. CIS(B) Unit to CN2025(CIS(B) RERAY
Board).
d. CN2027(CIS(B) RERAY Board) to
CN1006(CONTROL Board).
e. IC0006(CONTROL Board) and its
surround circuit.
2. Check the following signals during
power-on.
a. CN1004:CIS_SENB_F, CIS_SDO_F,
CIS_SCLK, C3.9V
b. CN1006:CIS_SENB_B, CIS_SDO_B,
CIS_SCLK, CIS_SDI, +3.9V
For Example:CIS_SDO_F:See Fig.10
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 (IC0001) 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
(IC0006-80,45, and 110th pins) and their
surrounding circuit on the CONTROL Board.
3. Replace faulty parts or CONTROL Board.
F35 (Image process-
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.
F36 (Front ASIC error) 9A xx 00 00 Access error to SDRAM (IC0040
and IC0041 and IC0055,IC0056)
1. Check the soldering condition of the parts
surrounding the ASIC (IC0035).
2. Check the soldering condition of the SDRAM
(IC0040 and IC0041 and IC0055, IC0056).
3. Replace faulty parts or CONTROL Board.
Error Code Possible Cause Check Point Remarks
Classified Code ST1 ST2 ST3 ST4