SONY BG-1S Service Manual
KV-20WS1
SECTION 4
CIRCUIT ADJUSTMENTS
4-1. ELECTRICAL ADJUSTMENTS
Service adjustment to this model can be performed with the supplied Remote Control Commander RM-836.
HOW TO ENTER INTO SERVICE MODE
1.Turn on the main power of the set and enter into stand-by mode.
2.Press the following sequence of buttons on the Remote Control Commander.
+ |
5 |
+ |
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(ON SCREEN |
(DIGIT 5) |
(VOLUME +) |
(TV) |
DISPLAY) |
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"TT-- " will appear in the top right corner of the screen Other status information will also be displayed.
3.Press the MENU button on the Remote Commander to obtain the menu on the screen.
Adjust. |
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16:9 ON |
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System |
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Text |
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AGC |
33 |
00-63 |
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PLL |
32 |
00-63 |
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V1 00-01 |
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SONY |
BE-5 |
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Range of adjustments available from the on screen menu system.
Adjustment |
Set |
Range |
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V size |
21 |
0 |
- |
63 |
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V breth |
32 |
0 |
- |
63 |
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Pin amp |
12 |
0 |
- |
63 |
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Para. tilt |
43 |
0 |
- |
63 |
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V linear |
42 |
0 |
- |
63 |
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Corner corr |
05 |
0 |
- |
63 |
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H size |
34 |
0 |
- |
63 |
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V pos |
00 |
0 |
- |
63 |
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H phase |
42 |
0 |
- 63 |
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Blue |
26 |
0 |
- |
63 |
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Green |
32 |
0 |
- |
63 |
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Red |
42 |
0 |
- 63 |
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HV blk 1 |
00 |
0 |
- |
63 |
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HV blk 2 |
00 |
0 |
- |
63 |
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V cent |
06 |
0 |
- |
63 |
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Zwei max |
36 |
0 |
- 63 |
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zwei min |
18 |
0 |
- |
63 |
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Software version
4.Press the Blue (Next) or Green (previous) buttons to select the adjustment item from the table.
5.Press the Yellow (+) or Red (-) buttons to change the data as required.
6.Turn off the power to quit the service mode when adjustments are completed.
— 19 —
KV-20WS1
4-2. TEST MODE 2:
TT -- Mode is available by pressing the Test button twice, O.S.D 'TT --' appears. The functions described below are available by pressing two digits. To release the 'TT --' mode, press 0 twice, press 'TEST' , press 'TV' or switch the TV into Stand-by mode.
00 |
Switch 'TT—' Mode off. |
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01 |
Set picture level to maximum. |
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02 |
Set picture level to minimum. |
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03 |
Set volume to 35%. |
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04 |
Set volume to 50%. |
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05 |
Set volume to 65%. |
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06 |
Set volume to 80%. |
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07 |
Ageing condition (picture max., brightness max.). |
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Shipping condition (Analog values are RESET to factory |
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08 |
setting, Prog 1 is selected, TT—mode switched off, |
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Vol = 35%). |
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09 |
Dummy. |
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10 |
No function. |
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11 |
Dummy |
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12 |
Dummy. |
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13 |
Dummy. |
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14 |
Dummy. |
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Read factory setting from ROM to NVM - Reads Volume, |
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15 |
Brightness, Picture, Hue, Sharpness and Colour values |
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from ROM to the actual used values (Last Power |
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Memory). |
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16 |
Save actual used values as reset values. |
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17 |
Enable / Disable Sharpness Operation. |
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18 |
Dummy. |
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19 |
RGB priority. |
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20 |
No function. |
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21 |
No function. |
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22 |
Sub Colour (Pal / Secam Different Stores) |
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23 |
Sub Brightness. |
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24 |
RGB priority on. |
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25 |
Destination Systems DKE. |
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26 |
Destination Systems I/U. |
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27 |
Destination System I/I'. |
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28 |
Destination BG only. |
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29 |
Dummy. |
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30-31 |
No function. |
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32 |
Picture level to 50% |
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33-35 |
No function. |
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36 |
Audio mute ON. |
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37 |
OSD off. |
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38 |
Enter G2 adjustment mode. |
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39 |
Sub-brightness |
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40 |
No function. |
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41 |
Re-initialise NVM. |
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42 |
Dummy. |
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43 |
Re-initialise Geometry settings. |
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44-47 |
Dummy |
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48 |
Set NVM testbyte to 44h in NVM. |
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49 |
Erase NVM testbyte |
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50 |
No function. |
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51 |
Toggle 60/100 programs. |
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Note : For Test Modes 41 - 51, it is necessary to ensure that the TV is set to Prog 59.
— 20 —
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