Sharp PN-465E (serv.man3) Service Manual / Parts Guide ▷ View online
PN-465E
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTION
2 – 36
10. MAIN PWB/PANEL/PARTS REPLACEMENT PROCEDURES
10-1. OUTLINE
The following information as well as user setting information are saved
to the EEPROM (IC402, 404) of the main unit.
to the EEPROM (IC402, 404) of the main unit.
(3 and 4 are information linked with the panel.)
1 MODEL NAME
2 SERIAL NUMBER
3 USAGE TIME
4 WHITE BALANCE SETTING VALUE
5 CALIBRATION SETTING VALUE
6 TEMPERATURE MONITOR SETTING INFORMATION
Therefore, when the PWB, the panel, IC402, or IC404 is replaced, ini-
tialization and setting must be performed according to necessity.
In addition, after completion of the work, perform ALL RESET.
In addition, after completion of the work, perform ALL RESET.
10-2. INFORMATION ITEMS
1 MODEL NAME
The model name must be set depending on the destination.
For setting procedures, refer to “8. MODEL NAME SETTING PRO-
CEDURES”.
CEDURES”.
2 SERIAL NUMBER
The machine has its own serial number which is described on the
nameplate at the back of the machine.
For setting procedures, refer to “6. SERIAL NUMBER WRITING
For setting procedures, refer to “6. SERIAL NUMBER WRITING
PROCEDURES”.
3 USAGE TIME
This information is linked with the panel. When replacing the PWB,
read the information before replacement, and write it to the new
read the information before replacement, and write it to the new
PWB after replacement.
For setting procedures, refer to “7. USAGE TIME SETTING PRO-
CEDURES”.
CEDURES”.
4 WHITE BALANCE SETTING VALUE
This information is linked with the panel. When replacing the PWB,
read the information before replacement, and write it to the new
PWB after replacement.
PWB after replacement.
Execute resetting when the panel is replaced.
For setting procedures, refer to “3-5. WHITE BALANCE SETTING
PROCEDURES”.
PROCEDURES”.
5 CALIBRATION SETTING VALUE
Since a service part PWB has been adjusted, there is no need to
set when replacing the PWB.
Setting may be required depending on the changed part.
Setting may be required depending on the changed part.
For setting procedures, refer to “3-2. CALIBRATION”.
6 TEMPERATURE MONITOR SETTING INFORMATION
This is the setting information related to temperature watch.
Execute resetting when replacing the PWB or the panel.
Execute resetting when replacing the PWB or the panel.
For setting procedures, refer to “9.TEMPERATURE MONITOR
SETTING PROCEDURES”.
10-3. PWB REPLACEMENT PROCEDURES
1) Read the following information from the monitor before replacement
of the PWB.
1 USAGE TIME
2 WHITE BALANCE VALUE
*If the machine does not operate before replacement and reading
cannot be made, this procedure is not required.
2) Replace the PWB and execute FACTORY RESET.
(Refer to “3-3. FACTORY RESET”.)
3) Write data into EDID.
(Refer to “5. EDID WRITING PROCEDURES”.)
4) If necessary, update the firmware.
(Refer to “4. FIRMWARE UPDATE PROCEDURES”.)
5) Set the MODEL TYPE depending on the destination.
(Refer to “MODEL TYPE” in “3. SERVICE MENU”.)
6) Write the information read in the above step 1).
*When reading cannot be made in the step 1):
• Set “0” to USAGE TIME and perform initialization.
• Reset the WHITE BALANCE set values.
7) Write the serial number.
(Refer to “6. SERIAL NUMBER WRITING PROCEDURES”.)
8) Reset the temperature watch setting information.
(Refer to “9. TEMPERATURE MONITOR SETTING PROCE-
DURES”.)
10-4. PANEL REPLACEMENT PROCEDURES
1) Set “0” to USAGE TIME and perform initialization.
2) Reset the WHITE BALANCE set values.
3) Reset the temperature watch setting information.
(Refer to “9. TEMPERATURE MONITOR SETTING PROCE-
DURES”.)
DURES”.)
10-5. MAJOR PARTS REPLACEMENT PROCEDURES
When any one of major parts is replaced, perform the FACTORY
RESET and set as shown in the table below.
REFER-
ENCE
PARTS
NAME
PARTS FUNCTION
OPERATION
A
B
C
D
E
F
IC101
BR24L02F
Analog PC type
DDC
DDC
·
EEPROM
- - - F - -
IC107
LT6554 3ch
video
buffer
- F - - - -
IC201
TFP503
DVI-D type TMDS
receiver
receiver
- - - - - -
IC204
BR24L02F
Digital PC type
DDC
DDC
·
ROM1
- - - F - -
IC205
BR24L02F
Digital PC type
DDC
DDC
·
ROM2
- - - - - -
IC301
TFP513
DVI-D type TMDS
transceiver
transceiver
- - - - - -
IC302
SM5301CS
Video buffer with the
built-in LPF support-
ing the video signal
band
built-in LPF support-
ing the video signal
band
- F - - - -
IC401
FLI8638
Scaler IC with built-in
microprocessor
microprocessor
- F F - - -
PN-465E
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTION
2 – 37
A: Firmware update
(Refer to “4. FIRMWARE UPDATE PROCEDURES”.)
B: Calibration setting
(Refer to “3-2. CALIBRATION”.)
C: WHITE BALANCE setting
(Refer to “3-5. WHITE BALANCE SETTING PROCEDURES”.)
D: EDID writing
(Refer to “5. EDID WRITING PROCEDURES”.)
E: Model name, serial number setting
(Refer to “8. MODEL NAME SETTING PROCEDURES”,
“6. SERIAL NUMBER WRITING PROCEDURES”.)
“6. SERIAL NUMBER WRITING PROCEDURES”.)
F: USAGE TIME setting
(Refer to “7. USAGE TIME SETTING PROCEDURES”.)
IC402,
404
404
BR24L32FV
32kbit EEPROM
(The set data are
saved.)
(The set data are
saved.)
- F F - F F
IC403
DS1374U-
33
33
+
RTC with the watch-
dog function support-
ing I2C
dog function support-
ing I2C
- - - - - -
IC406
PCF8575
16bit I/O expander
supporting I2C
supporting I2C
- - - - - -
IC501,
502
502
MT46V16M
16P-5B
16P-5B
128Mbit
DDR SDRAM
DDR SDRAM
- - - - - -
IC503
S29AL032D
70
70
32Mbit flash memory
(program are saved.)
(program are saved.)
F - - - - -
IC701
MAX3243
RS232C type trans-
ceiver/receiver
ceiver/receiver
- - - - - -
IC702
TL16C2552
Dual UART with built-
in FIFO
(used for RS232C
communication)
in FIFO
(used for RS232C
communication)
- - - - - -
REFER-
ENCE
PARTS
NAME
PARTS FUNCTION
OPERATION
A
B
C
D
E
F
PN-465E
DISASSEMBLY AND ASSEMBLY
3 – 1
CHAPTER 3. DISASSEMBLY AND ASSEMBLY
1. REAR COVER AND BRIDGE REMOVAL
1) Remove 25 screws, and remove the rear cover.
2) Remove 18 screws, and remove 2 bridge A and 2 bridge B.
2. IF 1 PWB REMOVAL
1) Remove 10 hexagon screw and 2 screws.
2) Disconnect the connector at 8 positions. Remove 11 screws, and
remove the IF1 PWB.
3. IF 2 PWB REMOVAL
1) Disconnect the connector at the position. Remove 8 screws, and
remove the IF2 PWB.
4. POWER PWB REMOVAL
1) Disconnect the connector at 7 positions. Remove 6 screws, and
remove the power PWB.
A
A
B
PN-465E
DISASSEMBLY AND ASSEMBLY
3 – 2
5. POWER FILTER PWB REMOVAL
1) Disconnect the connector at 2 positions. Remove 4 screws, and
remove the power filter PWB.
6. TEMPERATURE SENSOR PWB REMOVAL
1) Disconnect the connector at 3 positions. Remove 6 screws, and
remove 3 temperature sensor PWB.
7. OPTICAL SENSOR PWB REMOVAL
1) Remove 2 screws, and remove the optical sensor PWB.
8. REMOVAL OF THE LCD UNIT
1) Remove four screws, and remove the connector panel unit.
2) Remove 12 screws, and remove the main frame.
3) Remove 16 screws, and remove two frame side assemblies.
Temp1
Temp2
Temp3
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