How to enter Service Mode -
Option Mode – Service mode adjustment data
Sanyo CM29FS2 29 Inch Full Flat CRT Television
Service Mode
Press and hold the Volume + button on the front of TV set and
press the Menu button on the Remote Control.
Software Version will be displayed.
Press the Program Up / Down button to select the mode required.
Then press the Volume + button to adjust.
[Example: Display for [V.Linearity] Vertical Linearity adjustment.]
Exit from the Service Mode
Press the Menu button or turn off the TV set by using the mains switch.
Press the Menu button or turn off the TV set by using the mains switch.
Dealer Mode
When the TV distributed to the market, it should be reset all
received channel by following these procedure.
> Press the TV/AV button on the TV set for a about 2 seconds until
“MEMORY CLEAR” is displayed.
> Press the Menu button on the TV set while the above On-Screen
Display is still on the screen to reset all received channel. The display will
changed in red color.
> Wait for a view seconds until the TV is not receive the
broadcasting signal. Then turn off the TV.
[When the dealer mode is executed, all received channels, picture
settings and audio settings will be reset.]
+B VOLTAGE ADJUSTMENT
Connect a DC voltmeter to TP-B and the ground.
(2) Tune the receiver to an active channel and synchronized picture. Select NATURAL picture mode by pressing the Picture mode selection button on the remote control .
(3) Adjust voltage to 140± 0.5V DC by using VR641.
(2) Tune the receiver to an active channel and synchronized picture. Select NATURAL picture mode by pressing the Picture mode selection button on the remote control .
(3) Adjust voltage to 140± 0.5V DC by using VR641.
AGC ADJUSTMENT
Do not attempt this adjustment with weak signal.
(1) connect digital voltmeter to TP-A and GND.
(2) Tune the receiver to most clearest (or strongest) VHF station in your area. Set the brightness and contrast controls to maximum. Set the colour control to minimum.
(3) Enter to the service mode item No. 188 “AGC TAKE OVER”
(4) Press the Volume (+) or Volume (-) button to adjust voltage to be 3.25 ± 0.25V DC.
(1) connect digital voltmeter to TP-A and GND.
(2) Tune the receiver to most clearest (or strongest) VHF station in your area. Set the brightness and contrast controls to maximum. Set the colour control to minimum.
(3) Enter to the service mode item No. 188 “AGC TAKE OVER”
(4) Press the Volume (+) or Volume (-) button to adjust voltage to be 3.25 ± 0.25V DC.
SCREEN ADJUSTMENT
Receive cross hatch pattern.
(2) Set the picture mode to Dynamic.
(3) Enter to the service mode item No. 08 “VG2”.
(4) Turn screen VR on F.B.T. from min. to max., then the display will change from below to above. Turn back the screen VR to min. side, appear below with OK is displayed then stop turning.
(2) Set the picture mode to Dynamic.
(3) Enter to the service mode item No. 08 “VG2”.
(4) Turn screen VR on F.B.T. from min. to max., then the display will change from below to above. Turn back the screen VR to min. side, appear below with OK is displayed then stop turning.
WHITE BALANCE ADJUSTMENT
(1) Receive circular pattern.
(2) Set the picture mode to Dynamic.
(3) Enter to the service mode “Red” item No. 64 “WPR-N”.
(4) Adjust white balance by Volume (+) or Volume (-) button.
(5) Enter to the service mode “Green” in item No. 65 “WPG-N”.
(6) Adjust white balance by Volume (+) or Volume (-) button.
(7) Enter to the service mode “Blue” in item No. 66 “WPB-N”.
(8) Adjust white balance by Volume (+) or Volume (-) button.
(1) Receive circular pattern.
(2) Set the picture mode to Dynamic.
(3) Enter to the service mode “Red” item No. 64 “WPR-N”.
(4) Adjust white balance by Volume (+) or Volume (-) button.
(5) Enter to the service mode “Green” in item No. 65 “WPG-N”.
(6) Adjust white balance by Volume (+) or Volume (-) button.
(7) Enter to the service mode “Blue” in item No. 66 “WPB-N”.
(8) Adjust white balance by Volume (+) or Volume (-) button.
Option Setting
After replacing the Memory IC (IC802)
The memory IC (IC802), stores the option data of TV set and service adjustments data for each circuit, therefore, when the memory IC is replaced, it should be programmed to the following settings.
The memory IC (IC802), stores the option data of TV set and service adjustments data for each circuit, therefore, when the memory IC is replaced, it should be programmed to the following settings.
To enter to the Option Mode
Press and hold the MENU on the remote control and Program down button (CH ▼) on the front panel of the TV. The option window will appear on the screen.
Press and hold the MENU on the remote control and Program down button (CH ▼) on the front panel of the TV. The option window will appear on the screen.
To set the Option Mode
Select the desired option item by pressing the Programme down or up button.
To switch the option mode, use the Level up or down button.
The data which is set in the option mode is stored into the memory IC automatically.
Select the desired option item by pressing the Programme down or up button.
To switch the option mode, use the Level up or down button.
The data which is set in the option mode is stored into the memory IC automatically.
Exit from the Service Mode
Press the Menu button or turn off the TV set by using the mains switch.
Press the Menu button or turn off the TV set by using the mains switch.
Option Mode Mode Description & Note
PLUG & PLAY = ON or OFF Plug & Play mode, default “ON”
WELCOME TEXT = ON or OFF Display message when first set up, default “OFF”
AUTO VOLUME ON or OFF = Auto volume, default “OFF”
TEXT NO SIGNAL ON or OFF = When no received signal, execution, default “ON”
AFC ON or OFF = Automatic Frequency Control (AFC) available, default “ON”
PLUG & PLAY = ON or OFF Plug & Play mode, default “ON”
WELCOME TEXT = ON or OFF Display message when first set up, default “OFF”
AUTO VOLUME ON or OFF = Auto volume, default “OFF”
TEXT NO SIGNAL ON or OFF = When no received signal, execution, default “ON”
AFC ON or OFF = Automatic Frequency Control (AFC) available, default “ON”
[The CPU (IC201) and memory IC (IC802) store the service
adjustments data and controls data for each circuit.When the Memory IC(IC802)
is replaced, some of the service adjustments should be readjusted to obtain the
best performance. The necessary service adjustments are carried out by using
the RC handset.]
Initializing Procedure
1. Put a new memory IC.
2. Turn on the TV set.
3. Enter to the Service Mode as explanation on next page. Select
“002 INIT TV 0” mode, then change to “1” by
pressing Volume + button on Remote Control.
pressing Volume + button on Remote Control.
4. When initialised the memory IC are completed, TV set will in
stand by mode, all of the setting data (option data and service adjustment
data) stored in the IC are reset to the default value. It is necessary to set
the option settings and readjust the service adjustments and to re-tune all the
channels.
This completes the
initialization of memory IC.
Following shows the initialized contents of memory data by this
procedure.
- Plug & Play : No executed
- Inhibit Data : Cancelled
- Ch Skip Data : Cancelled
- Swap Data : Cancelled
- Surround : OFF
- Woofer : OFF
- Sound Volume Data : 12/63 steps
- Bass Data : 32/63 steps
- Treble Data : 32/63 Steps
- Colour System : AUTO
- Sound System : BG
- Plug & Play : No executed
- Inhibit Data : Cancelled
- Ch Skip Data : Cancelled
- Swap Data : Cancelled
- Surround : OFF
- Woofer : OFF
- Sound Volume Data : 12/63 steps
- Bass Data : 32/63 steps
- Treble Data : 32/63 Steps
- Colour System : AUTO
- Sound System : BG
Required Service Adjustments
Readjust the following service adjustments.
Adjustments Service Mode No. & Item
Vertical slope = Item 015, Vert. Slope
Vertical shift = Item 016, Vert. Shift
Vertical amplitude = Item 017, Vert. Ampl.
Vertical-S correction = Item 018, S-Corr.
EW width = Item 021, EW Width
Horizontal shift = Item 022, Hor. Shift
Readjust the following service adjustments.
Adjustments Service Mode No. & Item
Vertical slope = Item 015, Vert. Slope
Vertical shift = Item 016, Vert. Shift
Vertical amplitude = Item 017, Vert. Ampl.
Vertical-S correction = Item 018, S-Corr.
EW width = Item 021, EW Width
Horizontal shift = Item 022, Hor. Shift
Service Adjustments
with Replacing Memory IC (IC802)
Following table shows the initial values which have been stored in
the CPU ROM, and items for the service adjustments. Service mode adjustments
table in CPU ROM.
Specifications
Power Source . . . . . . . .AC110-240V, 50/60Hz.
Colour System . . . . . . . .PAL, SECAM, NTSC4.43, NTSC, PAL 60Hz
Television System . . . . .B/G, D/KK’, I, M/M
Channel Coverage . . . . .VHF: E2-E12, R1-R12, K1-K9, J1-J12, A2-A13
UHF: 21-69, A14-A69, J13-J62
CATV: S1-S41, X, Y, Z, Z+1, Z+2
Video IF . . . . . . . . . . . . . .38.0 MHz
Power Source . . . . . . . .AC110-240V, 50/60Hz.
Colour System . . . . . . . .PAL, SECAM, NTSC4.43, NTSC, PAL 60Hz
Television System . . . . .B/G, D/KK’, I, M/M
Channel Coverage . . . . .VHF: E2-E12, R1-R12, K1-K9, J1-J12, A2-A13
UHF: 21-69, A14-A69, J13-J62
CATV: S1-S41, X, Y, Z, Z+1, Z+2
Video IF . . . . . . . . . . . . . .38.0 MHz
CLICK ON THE TABLES TO ZOOM IN
