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Sharp PN-T322B Service Manual - Page 40

Reset Of The Temperature, Watch Settings

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CHAPTER 5. SERVICE MENU/VARIOUS SETTING TOOL OPERATING PROCEDURES 9 - 4. RESET OF THE TEMPERATURE WATCH SETTINGS In the cases below, reset the settings by following the procedures. n When the previous temperature watch settings remain at the time of replacing the PWB. n When the usage time has been reset at the time of replacing the panel or the like. MEMO n The temperature watch setting data contains a part that stores the usage time of the display as basic information. 1 ) Press [Reset] button to execute the reset. 2 ) To confirm that the settings have been properly reset, press [Read] button to read out the set values. 3 ) For the default settings, please see the followings. DEFAULT THRESHOLD TEMPERATURE PN-T321 Installation Orientation Brightness down temperature (Level 5 of brightness) Shutdown temperature Landscape installation 58 Portrait installation 57 62 62 PN-T322B Installation Orientation Brightness down temperature (Level 5 of brightness) Shutdown temperature Landscape installation 58 Portrait installation 58 62 62 PN-T321/T322B SERVICE MENU/VARIOUS SETTING TOOL OPERATING PROCEDURES 5 - 7

Section	Page
CHAPTER 1. OUTLINE OF THE PRODUCT	5
1. SPECIFICATIONS	5
2. PART NAMES AND FUNCTION	10
3. SCREEN DISPLAY	15
CHAPTER 2. INSTALLATION, ADJUSTMENT, SETTING	16
1. INSTALLATION	16
2. ADJUSTMENT	20
3. Setting up the PC (TOUCH panel driver)	25
CHAPTER 3. CONTROLLING THE MONITOR WITH A PC	28
1. RS-232C	28
CHAPTER 4. IMPORTANT INFORMATION FOR SERVICING THE DISPLAY	32
1. I/F PWB, LCD MODULE, PARTS REPLACEMENT PROCEDURES	32
CHAPTER 5. SERVICE MENU/VARIOUS SETTING TOOL OPERATING PROCEDURES	34
1. OPERATING PROCEDURES	34
2. AGING	35
3. FACTORY RESET	35
4. EDID WRITE PROTECT	35
5. NTSC SETUP LEVEL	36
6. INSTRUCTIONS FOR LAUNCHER TOOL	36
7. SERIAL NUMBER WRITING PROCEDURES	37
8. USAGE TIME SETTING PROCEDURE	38
9. TEMPERATURE MONITOR SETTING PROCEDURES	39
10. PERATING PROCEDURES Of TOUCH PANEL INSPECTION TOOL	41
CHAPTER 6. FIRMWARE UPDATA PROCEDURES/EDID WRITING PROCEDURES	45
1. MAIN FIRMWARE UPDATE PROCEDURE	45
2. EDID WRITING PROCEDURES	46
CHAPTER 7. DISASSEMBLY AND ASSEMBLY	51
1. PWB AND WIRING DIAGRAM	51
2. REAR COVER	53
3. SPEAKER UNIT	54
4. LED DRIVER PWB	55
5. INLET HARNESS/AC SWITCH	56
6. POWER SUPPLY PWB	58
7. TEMPERATURE SENSOR PWB	58
8. I/F PWB	59
9. LCD MODULE	63
10. KEY PWB	65
11. TOUCH PANEL ASSEMBLY (PN-T322B)	66
CHAPTER 8. TROUBLESHOOTING	68
1. THE POWER IS NOT TURNED ON (THE LED DOES NOT LIGHT UP)	68
2. THE REMOTE CONTROLLER DOES NOT WORK	69
3. THE DISPLAY DOES NOT APPEAR (DISPLAY ABNORMALITY)	69
4. THE BACKLIGHT DOES NOT LIGHT UP	70
5. NO SOUND IS GENERATED/ REPRODUCED SOUND ABNORMALITY	70
6. RS-232C CONTROL DOES NOT WORK	70
7. NO RESPONSE FOR TOUCHING	71
8. THE TOUCH POSITION IS SHIFTED	72
9. THE TOUCH POSITION IS SHIFTED EVEN AFTER CALIBRATION	72
10. MULTI-TOUCH IS UNABLE	73
CHAPTER 9. HARDWARE DESCRIPTIONS	74
1. SYSTEM DESCRIPTION	74
2. FUNCTIONS	76
3. PERFORMANCE SPECIFICATIONS	76
4. BLOCK DIAGRAM	77