DOWNLOAD Sharp PN-A601 (serv.man3) Service Manual ↓ Size: 17.38 MB | Pages: 127 in PDF or view online for FREE

PN-A601　INSTALLATION, ADJUSTMENT, SETTING

 2 – 30

“Daily maintenance” and “Periodic maintenance” are required for safe

use of this machine.

n

LCD surface cleaning

n

Operating state monitoring

n

Inspection of the installing conditions (Check for any looseness in the
fixing angle, the fixing bolts and screws, etc.)

n

Cleaning the surrounding of the fan and the inlet. 

n

Replacement of the fan.

n

Replace the black tape for better finish view of the clearance if it comes off.

Wipe and clean the LCD panel surface with soft cloth (lens cleaner or
gauze patch) gently. Do not use hard cloth, or do not rub strongly. Be

careful not to scratch the surface. 

When the LCD panel gets dusty, use a commercially-available anti-

electrostatic brush (dust-proof brush). 

To protect the LCD panel, do not use dusty cloth, wet cloth, or chemical
cloth for cleaning. 

■ MAIN CLEANING POSITIONS

1 ) There is a small hole in the lower side of the cabinet, which serve as an inlet. Since sir is taken from this hole, dust may be accumulated around

it. Remove dust and clean this section.

2 ) Dust is accumulated inside the fan cover. If accumulation of dust clogs the exhaust port and cannot be cleaned from the outside, remove the fan

cover and remove dust inside the cover. 

3 ) Dust may be accumulated on the fan itself. Remove and clean the fan according to the necessity.

n

Tighten the screw of the fan cover at the tightening torque of 0.6N·m or less. If they are tightened too tightly, the screw holes may be broken.

■ CLEANING CYCLE

The cleaning cycle differs depending on the installation environment. If the machine is installed in a crowded place, cleaning may be required more
frequently. Depending on the condition of dust accumulation, make the cleaning cycle.

Display 
surface

Various circuits
(Power circuit, display circuit, etc.)

Duct

Fan

Back surface

Air flow

Air flow

2) 3) 

1 Turn OFF the power.

1) Remove dust from the outside.

2 Remove the fan cover, and remove dust inside the 

cover. (Use care not to drop screws inside the machine.)

LED 
backlight

PN-A601　INSTALLATION, ADJUSTMENT, SETTING

 2 – 31

There is basically no need to clean the power fan. However, as stated in
“4-3. CLEANING THE SURROUNDING OF THE FAN AND THE

INLET” if there is considerable accumulation of dust around the suction

and exhaust ports, perform the following maintenance for the power fan
(2 positions) at the back of the machine.

n

Since there is no inlet in the power fan, there is no need to per-

form maintenance so frequently as stated in “4-3. CLEANING

THE SURROUNDING OF THE FAN AND THE INLET”

1 ) Turn OFF the power.

2 ) Loosen the screw, and remove the fan cover. Use care not to drop

the screw.

3 ) Remove dust from the inside. 

n

Screw tightening torque: 0.6N·m or less.

If the screw is tighten too strongly, the screw hole may be broken.

■ CLEANING CYCLE

Depending on the condition of dust accumulation, make the cleaning

cycle.

The fan has its lifetime.

Replace the fan at the end of the lifetime.

Power fan

Power fan

PN-A601　IMPORTANT INFORMATION FOR SERVICING THE DISPLAY

 3 – 1

The following information as well as user setting information are saved to the EEPROM (IC1007) controlled by main firmware and the EEPROM
(IC401) controlled by sub firmware.

n

SERIAL NUMBER

n

USAGE TIME

*1

n

WHITE BALANCE SETTING VALUE

*1

n

CALIBRATION SETTING VALUE

n

TEMPERATURE MONITOR SETTING INFORMATION

n

LED PWB brightness setting value

*1

*

1

This information is linked with the LCD module.

n

MAC ADDRESS

Therefore, when the I/F PWB, the LCD module, IC1007 is replaced, initialization and setting must be performed according to necessity. 
In addition, after completion of the work, perform “ALL RESET”.

n

Since the MAC address is stored in the IC401, it must not be replaced in servicing. 

There is no replacement part setting.

PN-A601　IMPORTANT INFORMATION FOR SERVICING THE DISPLAY

 3 – 2

1 ) Read the following information from the monitor before replacement of the I/F PWB.

n

USAGE TIME

n

WHITE BALANCE VALUE

n

LED PWB Brightness setting

n

If the machine does not operate before replacement and reading cannot be made, this procedure is not required. 

n

Back up the user setting according to the necessity.

2 ) Replace the I/F PWB and execute FACTORY RESET. 

3 ) Each service part has the EDID written in it. If necessary, the EDID should be updated to the latest.

4 ) Each service part has the firmware written in it.  If necessary, the firmware should be updated to the latest.

3Refer to page 5 - 1  "1. MAIN FIRMWARE UPDATE PROCEDURE".
3Refer to page 5 - 4  "2. SUB FIRMWARE UPDATE PROCEDURE".
3Refer to page 5 - 7  "3. LAN MICROCONTROLLER FIRMWARE UPDATING PROCEDURES (PN-ZB01)".

5 ) Set the MODEL TYPE depending on the destination.

The default destination of service parts is “JP.”
3Refer to page 4 - 2  "1 - 2. SERVICE MENU 2".

6 ) Set the MODEL NAME depending on the destination.

3Refer to page 4 - 8  "6 - 2. MODEL NAME SETTING FUNCTION".
3Refer to page 4 - 20  "12. MODEL NAME SETTING PROCEDURES".

In some cases, the model name to be set may be different.
3Refer to page 4 - 8  "6 - 2. MODEL NAME SETTING FUNCTION".
3Refer to page 4 - 20  "12. MODEL NAME SETTING PROCEDURES".

The machine has its own serial number which is described on the nameplate at the back of the machine. 
3Refer to page 4 - 9  "6 - 3. SERIAL NUMBER SETTING FUNCTION".
3Refer to page 4 - 18  "10. SERIAL NUMBER WRITING PROCEDURES".

This information is linked with the LCD module. When replacing the I/F PWB, read the information before replacement, 

and write it to the new I/F PWB after replacement.
3Refer to page 4 - 9  "6 - 4. USAGE TIME SETTING FUNCTION".
3Refer to page 4 - 19  "11. USAGE TIME SETTING PROCEDURE".

This information is linked with the LCD module. When replacing the I/F PWB, read the information before replacement, 
and write it to the new I/F PWB after replacement.

Execute resetting when the LCD module is replaced. 
3Refer to page 4 - 13  "8. WHITE BALANCE SETTING PROCEDURES BY OSD".
3Refer to page 4 - 16  "9. WHITE BALANCE SETTING TOOL OPERATING PROCEDURE".

Since a service part I/F PWB has been adjusted, there is no need to set when replacing the I/F PWB.
Setting may be required depending on the replaced part.
3Refer to page 4 - 3  "3. CALIBRATION".

This is the setting information related to temperature watch.

Execute resetting when replacing the I/F PWB or the LCD module. 

The MAC address is the unique ID number assigned to the I/F PWB for LAN communication. 

The unique ID number is written into the I/F PWB (service part).

Information linked with the LCD module.
3Refer to page 4 - 29  "16. LED PWB BRIGHTNESS SETTING TOOL".