DOWNLOAD Sharp 32JF-77 (serv.man5) Service Manual ↓ Size: 258.08 KB | Pages: 7 in PDF or view online for FREE

Model
32JF-77 (serv.man5)
Pages
7
Size
258.08 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / CTR / Adjustment procedures
File
32jf-77-sm5.pdf
Date

Sharp 32JF-77 (serv.man5) Service Manual ▷ View online

12
32JF-77H
Automatic Gain Control Adjustment (I)
To correctly align the Automatic Gain Control, follow the procedure outlined below:
1. Tune the set into a pattern generator on  I-21.
2. Enter the Service Mode.
3. Press the YELLOW button of Remote Control to select  “Automatic Gain Control”
4. Press volume up/down to adjust to “109 dB/µV”.
5. It will be stored automatically.
6. Turn off the receiver by Main switch to exit the Service Mode.
Subcarrier adjustment (ONLY PAL)
1. Tune the colour bar signal pattern (Subcarrier PAL).
2.  Enter the Service Mode.
3.  Press channel up/down buttons of Remote Control to select “Subcarrier adjustment”.
4.  Press volume up/down buttons of Remote Control to adjust Subcarrier frequency until  “OK” appear on screen.
5.  Press Stand-by button of Remote Control to store adjust.
6.  Turn off the receiver by Main switch to exit the Service Mode.
Changing NVM Data
To change the data contained within the Non Volatile Memory, it is necessary to first select the page the data is stored in,
then the position and finally to change the data itself.
NOTE: The values of  “Page, Position and Value” start by “0x”. It means that the two next locations are hexadecimal
            representations.
The procedure below outlines this process.
1. Enter the Service Mode.
2. Press the GREEN button of Remote Control to access to “NVM / PAGE”, use the volume up/down buttons to
    change this data (data is shown in hexadecimal format).
3. Press the channel up button to select “NVM / POSITION”, use the volume up/down buttons to change this data
   (data is shown in hexadecimal format).
4. Press the channel up button to select “NVM / VALUE”, use the volume up/down buttons to change this data (data
    is shown in hexadecimal format).
5. Once this data has been set, press the stand-by button to store.
6. If another NVM value has to be changed, use the channel down button to select the page or position and repeat
    as necessary.
Note:
Do not change any NVM data, unless you have been advised to do so by a Sharp representative.  If data is incorrectly
changed, serious damage may occur to the receiver.
13
32JF-77H
Flag NVM write ON/OFF
To use this function to rewrite the NVM. It is only necessary when the software of Flash memory (IC6003) change .
1. Enter the Service Mode.
2. Press the Sound mode button(29) of Remote Control. “FLAG NVM WRITE ON”  is activated.
3. To exit the Service Mode, press the volume down and channel up buttons on the front of the receiver at the same
    time.
4. When “RE-WRITING NVM” appears on the screen, the receiver is now rewriting datas in NVM memory.
5. When the process finish the TV turns off and turn on automatically.
6. After rewriting NVM is necessary to adjust the TV set (Geometries, AGC, G2 and Colour Adjustments)
Flag Autoinstall ON/OFF
To use this function to activated  Autoinstall mode.
1. Enter the Service Mode.
2. Press MENU button of Remote Control to select “FLAG AUTOINSTALL ON”.
3. Turn off the receiver by Main switch.
4. Turn on the receiver by Main switch.
5. Now the receiver shows the Autoinstallation menu as shown in Figure 17.
Figure 17: Auto Installation Menu
How To Replace a Damaged NVM by a Blank One
To replace the NVM, follow the procedure outlined below:
Postcode Password Reset
In order to unlock the PostCode when password is not on mind, enter and exit the Service Mode.
13
32JF-77H
Flag NVM write ON/OFF
To use this function to rewrite the NVM. It is only necessary when the software of Flash memory (IC6003) change .
1. Enter the Service Mode.
2. Press the Sound mode button(29) of Remote Control. “FLAG NVM WRITE ON”  is activated.
3. To exit the Service Mode, press the volume down and channel up buttons on the front of the receiver at the same
    time.
4. When “RE-WRITING NVM” appears on the screen, the receiver is now rewriting datas in NVM memory.
5. When the process finish the TV turns off and turn on automatically.
6. After rewriting NVM is necessary to adjust the TV set (Geometries, AGC, G2 and Colour Adjustments)
Flag Autoinstall ON/OFF
To use this function to activated  Autoinstall mode.
1. Enter the Service Mode.
2. Press MENU button of Remote Control to select “FLAG AUTOINSTALL ON”.
3. Turn off the receiver by Main switch.
4. Turn on the receiver by Main switch.
5. Now the receiver shows the Autoinstallation menu as shown in Figure 17.
Figure 17: Auto Installation Menu
How To Replace a Damaged NVM by a Blank One
To replace the NVM, follow the procedure outlined below:
Postcode Password Reset
In order to unlock the PostCode when password is not on mind, enter and exit the Service Mode.
13
32JF-77H
Flag NVM write ON/OFF
To use this function to rewrite the NVM. It is only necessary when the software of Flash memory (IC6003) change .
1. Enter the Service Mode.
2. Press the Sound mode button(29) of Remote Control. “FLAG NVM WRITE ON”  is activated.
3. To exit the Service Mode, press the volume down and channel up buttons on the front of the receiver at the same
    time.
4. When “RE-WRITING NVM” appears on the screen, the receiver is now rewriting datas in NVM memory.
5. When the process finish the TV turns off and turn on automatically.
6. After rewriting NVM is necessary to adjust the TV set (Geometries, AGC, G2 and Colour Adjustments)
Flag Autoinstall ON/OFF
To use this function to activated  Autoinstall mode.
1. Enter the Service Mode.
2. Press MENU button of Remote Control to select “FLAG AUTOINSTALL ON”.
3. Turn off the receiver by Main switch.
4. Turn on the receiver by Main switch.
5. Now the receiver shows the Autoinstallation menu as shown in Figure 17.
Figure 17: Auto Installation Menu
How To Replace a Damaged NVM by a Blank One
To replace the NVM, follow the procedure outlined below:
Postcode Password Reset
In order to unlock the PostCode when password is not on mind, enter and exit the Service Mode.
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