28JF-73H (serv.man10). LED flashing codes - Sharp TV Service Manual (repair manual)

Model
28JF-73H (serv.man10)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
58.27 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / CTR / LED flashing codes
File
28jf-73h-sm10.pdf
Date

View Sharp 28JF-73H (serv.man10) Service Manual online

12
28JF-73H
DVCO Adjustment (PAL)
Carry out the DVCO Adjustment (PAL) as shown below:
1. Receive a Philips pattern signal.
2. While in the DVCO ADJUSTMENT (PAL) menu, press the stand-by button.
3. The adjustment will be carried out automatically and stored.
DVCO Adjustment (NTSC)
No adjustment required.
AGC Adjustment
To correctly align the Automatic Gain Control, follow the procedure outlined below:
1. Tune the set into a pattern generator on CH12.
2. Adjust the signal strength of the pattern generator to 59dB/
µV (75Ω).
3. Enter the Service Mode.
4. Enter the AGC Adjustment menu.
5. Press the stand-by button on the remote control.
6. The adjustment will be carried out and stored automatically.
Rotation Inspection
No adjustment required. Just to check the proper working of this user feature. It cannot be memorized and after reset the
TV, the picture will appear normalized as other features.
Auto Installation On/Off
To return the receiver to the original Auto Installation mode, using the volume up or down button, set the Auto Installation
On/Off to On. This setting is automatically stored and when the receiver is turned on the next time it will start up in Auto
Installation mode.
LED FLASHING CODES
If the TV set does not work and the power indicator  is flashing, follow the sequence according to the information below, as
a guide to fault finding.
1. Unable to read or write into NVM: 66% ON, 33% OFF twice and OFF for a second.
2. MSP failure:  66% ON, 33% OFF for three times and OFF for a second.
3. VCT failure: 66% ON, 33% OFF for four times and OFF for a second.
On        Off
On        Off
On        Off
12
28JF-73H
DVCO Adjustment (PAL)
Carry out the DVCO Adjustment (PAL) as shown below:
1. Receive a Philips pattern signal.
2. While in the DVCO ADJUSTMENT (PAL) menu, press the stand-by button.
3. The adjustment will be carried out automatically and stored.
DVCO Adjustment (NTSC)
No adjustment required.
AGC Adjustment
To correctly align the Automatic Gain Control, follow the procedure outlined below:
1. Tune the set into a pattern generator on CH12.
2. Adjust the signal strength of the pattern generator to 59dB/
µV (75Ω).
3. Enter the Service Mode.
4. Enter the AGC Adjustment menu.
5. Press the stand-by button on the remote control.
6. The adjustment will be carried out and stored automatically.
Rotation Inspection
No adjustment required. Just to check the proper working of this user feature. It cannot be memorized and after reset the
TV, the picture will appear normalized as other features.
Auto Installation On/Off
To return the receiver to the original Auto Installation mode, using the volume up or down button, set the Auto Installation
On/Off to On. This setting is automatically stored and when the receiver is turned on the next time it will start up in Auto
Installation mode.
LED FLASHING CODES
If the TV set does not work and the power indicator  is flashing, follow the sequence according to the information below, as
a guide to fault finding.
1. Unable to read or write into NVM: 66% ON, 33% OFF twice and OFF for a second.
2. MSP failure:  66% ON, 33% OFF for three times and OFF for a second.
3. VCT failure: 66% ON, 33% OFF for four times and OFF for a second.
On        Off
On        Off
On        Off
12
28JF-73H
DVCO Adjustment (PAL)
Carry out the DVCO Adjustment (PAL) as shown below:
1. Receive a Philips pattern signal.
2. While in the DVCO ADJUSTMENT (PAL) menu, press the stand-by button.
3. The adjustment will be carried out automatically and stored.
DVCO Adjustment (NTSC)
No adjustment required.
AGC Adjustment
To correctly align the Automatic Gain Control, follow the procedure outlined below:
1. Tune the set into a pattern generator on CH12.
2. Adjust the signal strength of the pattern generator to 59dB/
µV (75Ω).
3. Enter the Service Mode.
4. Enter the AGC Adjustment menu.
5. Press the stand-by button on the remote control.
6. The adjustment will be carried out and stored automatically.
Rotation Inspection
No adjustment required. Just to check the proper working of this user feature. It cannot be memorized and after reset the
TV, the picture will appear normalized as other features.
Auto Installation On/Off
To return the receiver to the original Auto Installation mode, using the volume up or down button, set the Auto Installation
On/Off to On. This setting is automatically stored and when the receiver is turned on the next time it will start up in Auto
Installation mode.
LED FLASHING CODES
If the TV set does not work and the power indicator  is flashing, follow the sequence according to the information below, as
a guide to fault finding.
1. Unable to read or write into NVM: 66% ON, 33% OFF twice and OFF for a second.
2. MSP failure:  66% ON, 33% OFF for three times and OFF for a second.
3. VCT failure: 66% ON, 33% OFF for four times and OFF for a second.
On        Off
On        Off
On        Off
12
28JF-73H
DVCO Adjustment (PAL)
Carry out the DVCO Adjustment (PAL) as shown below:
1. Receive a Philips pattern signal.
2. While in the DVCO ADJUSTMENT (PAL) menu, press the stand-by button.
3. The adjustment will be carried out automatically and stored.
DVCO Adjustment (NTSC)
No adjustment required.
AGC Adjustment
To correctly align the Automatic Gain Control, follow the procedure outlined below:
1. Tune the set into a pattern generator on CH12.
2. Adjust the signal strength of the pattern generator to 59dB/
µV (75Ω).
3. Enter the Service Mode.
4. Enter the AGC Adjustment menu.
5. Press the stand-by button on the remote control.
6. The adjustment will be carried out and stored automatically.
Rotation Inspection
No adjustment required. Just to check the proper working of this user feature. It cannot be memorized and after reset the
TV, the picture will appear normalized as other features.
Auto Installation On/Off
To return the receiver to the original Auto Installation mode, using the volume up or down button, set the Auto Installation
On/Off to On. This setting is automatically stored and when the receiver is turned on the next time it will start up in Auto
Installation mode.
LED FLASHING CODES
If the TV set does not work and the power indicator  is flashing, follow the sequence according to the information below, as
a guide to fault finding.
1. Unable to read or write into NVM: 66% ON, 33% OFF twice and OFF for a second.
2. MSP failure:  66% ON, 33% OFF for three times and OFF for a second.
3. VCT failure: 66% ON, 33% OFF for four times and OFF for a second.
On        Off
On        Off
On        Off
12
28JF-73H
DVCO Adjustment (PAL)
Carry out the DVCO Adjustment (PAL) as shown below:
1. Receive a Philips pattern signal.
2. While in the DVCO ADJUSTMENT (PAL) menu, press the stand-by button.
3. The adjustment will be carried out automatically and stored.
DVCO Adjustment (NTSC)
No adjustment required.
AGC Adjustment
To correctly align the Automatic Gain Control, follow the procedure outlined below:
1. Tune the set into a pattern generator on CH12.
2. Adjust the signal strength of the pattern generator to 59dB/
µV (75Ω).
3. Enter the Service Mode.
4. Enter the AGC Adjustment menu.
5. Press the stand-by button on the remote control.
6. The adjustment will be carried out and stored automatically.
Rotation Inspection
No adjustment required. Just to check the proper working of this user feature. It cannot be memorized and after reset the
TV, the picture will appear normalized as other features.
Auto Installation On/Off
To return the receiver to the original Auto Installation mode, using the volume up or down button, set the Auto Installation
On/Off to On. This setting is automatically stored and when the receiver is turned on the next time it will start up in Auto
Installation mode.
LED FLASHING CODES
If the TV set does not work and the power indicator  is flashing, follow the sequence according to the information below, as
a guide to fault finding.
1. Unable to read or write into NVM: 66% ON, 33% OFF twice and OFF for a second.
2. MSP failure:  66% ON, 33% OFF for three times and OFF for a second.
3. VCT failure: 66% ON, 33% OFF for four times and OFF for a second.
On        Off
On        Off
On        Off
12
28JF-73H
DVCO Adjustment (PAL)
Carry out the DVCO Adjustment (PAL) as shown below:
1. Receive a Philips pattern signal.
2. While in the DVCO ADJUSTMENT (PAL) menu, press the stand-by button.
3. The adjustment will be carried out automatically and stored.
DVCO Adjustment (NTSC)
No adjustment required.
AGC Adjustment
To correctly align the Automatic Gain Control, follow the procedure outlined below:
1. Tune the set into a pattern generator on CH12.
2. Adjust the signal strength of the pattern generator to 59dB/
µV (75Ω).
3. Enter the Service Mode.
4. Enter the AGC Adjustment menu.
5. Press the stand-by button on the remote control.
6. The adjustment will be carried out and stored automatically.
Rotation Inspection
No adjustment required. Just to check the proper working of this user feature. It cannot be memorized and after reset the
TV, the picture will appear normalized as other features.
Auto Installation On/Off
To return the receiver to the original Auto Installation mode, using the volume up or down button, set the Auto Installation
On/Off to On. This setting is automatically stored and when the receiver is turned on the next time it will start up in Auto
Installation mode.
LED FLASHING CODES
If the TV set does not work and the power indicator  is flashing, follow the sequence according to the information below, as
a guide to fault finding.
1. Unable to read or write into NVM: 66% ON, 33% OFF twice and OFF for a second.
2. MSP failure:  66% ON, 33% OFF for three times and OFF for a second.
3. VCT failure: 66% ON, 33% OFF for four times and OFF for a second.
On        Off
On        Off
On        Off
12
28JF-73H
DVCO Adjustment (PAL)
Carry out the DVCO Adjustment (PAL) as shown below:
1. Receive a Philips pattern signal.
2. While in the DVCO ADJUSTMENT (PAL) menu, press the stand-by button.
3. The adjustment will be carried out automatically and stored.
DVCO Adjustment (NTSC)
No adjustment required.
AGC Adjustment
To correctly align the Automatic Gain Control, follow the procedure outlined below:
1. Tune the set into a pattern generator on CH12.
2. Adjust the signal strength of the pattern generator to 59dB/
µV (75Ω).
3. Enter the Service Mode.
4. Enter the AGC Adjustment menu.
5. Press the stand-by button on the remote control.
6. The adjustment will be carried out and stored automatically.
Rotation Inspection
No adjustment required. Just to check the proper working of this user feature. It cannot be memorized and after reset the
TV, the picture will appear normalized as other features.
Auto Installation On/Off
To return the receiver to the original Auto Installation mode, using the volume up or down button, set the Auto Installation
On/Off to On. This setting is automatically stored and when the receiver is turned on the next time it will start up in Auto
Installation mode.
LED FLASHING CODES
If the TV set does not work and the power indicator  is flashing, follow the sequence according to the information below, as
a guide to fault finding.
1. Unable to read or write into NVM: 66% ON, 33% OFF twice and OFF for a second.
2. MSP failure:  66% ON, 33% OFF for three times and OFF for a second.
3. VCT failure: 66% ON, 33% OFF for four times and OFF for a second.
On        Off
On        Off
On        Off
12
28JF-73H
DVCO Adjustment (PAL)
Carry out the DVCO Adjustment (PAL) as shown below:
1. Receive a Philips pattern signal.
2. While in the DVCO ADJUSTMENT (PAL) menu, press the stand-by button.
3. The adjustment will be carried out automatically and stored.
DVCO Adjustment (NTSC)
No adjustment required.
AGC Adjustment
To correctly align the Automatic Gain Control, follow the procedure outlined below:
1. Tune the set into a pattern generator on CH12.
2. Adjust the signal strength of the pattern generator to 59dB/
µV (75Ω).
3. Enter the Service Mode.
4. Enter the AGC Adjustment menu.
5. Press the stand-by button on the remote control.
6. The adjustment will be carried out and stored automatically.
Rotation Inspection
No adjustment required. Just to check the proper working of this user feature. It cannot be memorized and after reset the
TV, the picture will appear normalized as other features.
Auto Installation On/Off
To return the receiver to the original Auto Installation mode, using the volume up or down button, set the Auto Installation
On/Off to On. This setting is automatically stored and when the receiver is turned on the next time it will start up in Auto
Installation mode.
LED FLASHING CODES
If the TV set does not work and the power indicator  is flashing, follow the sequence according to the information below, as
a guide to fault finding.
1. Unable to read or write into NVM: 66% ON, 33% OFF twice and OFF for a second.
2. MSP failure:  66% ON, 33% OFF for three times and OFF for a second.
3. VCT failure: 66% ON, 33% OFF for four times and OFF for a second.
On        Off
On        Off
On        Off
12
28JF-73H
DVCO Adjustment (PAL)
Carry out the DVCO Adjustment (PAL) as shown below:
1. Receive a Philips pattern signal.
2. While in the DVCO ADJUSTMENT (PAL) menu, press the stand-by button.
3. The adjustment will be carried out automatically and stored.
DVCO Adjustment (NTSC)
No adjustment required.
AGC Adjustment
To correctly align the Automatic Gain Control, follow the procedure outlined below:
1. Tune the set into a pattern generator on CH12.
2. Adjust the signal strength of the pattern generator to 59dB/
µV (75Ω).
3. Enter the Service Mode.
4. Enter the AGC Adjustment menu.
5. Press the stand-by button on the remote control.
6. The adjustment will be carried out and stored automatically.
Rotation Inspection
No adjustment required. Just to check the proper working of this user feature. It cannot be memorized and after reset the
TV, the picture will appear normalized as other features.
Auto Installation On/Off
To return the receiver to the original Auto Installation mode, using the volume up or down button, set the Auto Installation
On/Off to On. This setting is automatically stored and when the receiver is turned on the next time it will start up in Auto
Installation mode.
LED FLASHING CODES
If the TV set does not work and the power indicator  is flashing, follow the sequence according to the information below, as
a guide to fault finding.
1. Unable to read or write into NVM: 66% ON, 33% OFF twice and OFF for a second.
2. MSP failure:  66% ON, 33% OFF for three times and OFF for a second.
3. VCT failure: 66% ON, 33% OFF for four times and OFF for a second.
On        Off
On        Off
On        Off
12
28JF-73H
DVCO Adjustment (PAL)
Carry out the DVCO Adjustment (PAL) as shown below:
1. Receive a Philips pattern signal.
2. While in the DVCO ADJUSTMENT (PAL) menu, press the stand-by button.
3. The adjustment will be carried out automatically and stored.
DVCO Adjustment (NTSC)
No adjustment required.
AGC Adjustment
To correctly align the Automatic Gain Control, follow the procedure outlined below:
1. Tune the set into a pattern generator on CH12.
2. Adjust the signal strength of the pattern generator to 59dB/
µV (75Ω).
3. Enter the Service Mode.
4. Enter the AGC Adjustment menu.
5. Press the stand-by button on the remote control.
6. The adjustment will be carried out and stored automatically.
Rotation Inspection
No adjustment required. Just to check the proper working of this user feature. It cannot be memorized and after reset the
TV, the picture will appear normalized as other features.
Auto Installation On/Off
To return the receiver to the original Auto Installation mode, using the volume up or down button, set the Auto Installation
On/Off to On. This setting is automatically stored and when the receiver is turned on the next time it will start up in Auto
Installation mode.
LED FLASHING CODES
If the TV set does not work and the power indicator  is flashing, follow the sequence according to the information below, as
a guide to fault finding.
1. Unable to read or write into NVM: 66% ON, 33% OFF twice and OFF for a second.
2. MSP failure:  66% ON, 33% OFF for three times and OFF for a second.
3. VCT failure: 66% ON, 33% OFF for four times and OFF for a second.
On        Off
On        Off
On        Off

Download Sharp 28JF-73H (serv.man10) Service Manual (Repair Manual)

Here you can view online and download Sharp 28JF-73H (serv.man10) Service Manual in PDF. 28JF-73H (serv.man10) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp 28JF-73H (serv.man10) CTR. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.