Vg2 Adjustment
1. Enter SDAM:
2. Press the following key sequence on the remote control transmitter:
0-6-2-5-9-6-MENU
Do not allow the display to time out between entries while keying the sequence.
3. Use the MENU UP/DOWN keys to highlight the WHITE TONE sub menu.
4. Press the MENU LEFT or MENU RIGHT key to enter the WHITE TONE sub menu.
5. In the WHITE TONE sub menu, press the MENU UP/DOWN keys to select NORMAL
RED, NORMAL GREEN, or NORMAL BLUE.
6. Use the MENU LEFT/RIGHT keys to set the values of NORMAL RED, NORMAL
GREEN and NORMAL BLUE to 40.
7. Press the MENU button twice to enter the normal user menu.
8. In the normal user menu, use the MENU UP/DOWN keys to highlight the PICTURE
sub menu (if necessary).
9. Press the MENU LEFT/RIGHT keys to enter the PICTURE sub menu.
10. Use the MENU UP/DOWN keys to select PICTURE. Be sure to record the current
value of PICTURE.
11. Use the MENU LEFT/RIGHT keys to set the value of PICTURE to zero.
12. Use the MENU UP/DOWN keys to select BRIGHTNESS. Be sure to record the current
value of BRIGHTNESS.
13. Use the MENU LEFT/RIGHT keys to set the value of BRIGHTNESS to minimum (OSD
just visible in a dark room).
14. Press the MENU button twice to return to the top level SDAM menu.
15. Press the STATUS/EXIT button to hide the SDAM onscreen display.
16. Connect the RF output of a video pattern generator to the antenna input.
17. Input a "black picture" test pattern to the television set.
18. Set the oscilloscope to 50 V/div and the time base to 0.2 milliseconds (external
triggering on the vertical pulse).
19. Ground the scope at the CRT panel and connect a 10:1 probe to one of the cathodes
of the picture tube socket (see schematic diagram B).
20. Measure the cut off pulse during first full line after the frame blanking (see Fig. 8-2).
You will see two pulses, one being the cut off pulse and the other being the white drive
pulse. Choose the one with the lowest value; this is the cut off pulse.
21. Select the cathode with the highest VDC value for the alignment. Adjust the V Cut-Off
of this gun with the SCREEN potentiometer (see Fig. 8-1) on the LOT to the correct
value (see table below).
22. Press the STATUS/EXIT button to display the SDAM onscreen display.
23. Press the MENU button to enter the normal user menu.
24. In the normal user menu, use the MENU UP/DOWN keys to highlight the PICTURE
sub menu (if necessary).
25. Press the MENU LEFT/RIGHT keys to enter the PICTURE sub menu.
Содержание 7629
Страница 1: ......
Страница 5: ......
Страница 14: ...AV2 In SVHS Connector Kind Value Symbol 1 gnd v 2 gnd v 3 Y 1 Vpp 75 O j 4 C 0 3 Vpp 75 O j ...
Страница 16: ...Figure ...
Страница 18: ...Figure ...
Страница 20: ...Figure Panel Removal 1 Lift the board out of its bracket after releasing the 2 fixation clamps Figure ...
Страница 48: ...Hardware Alignments Figure Mono Carrier Top View LS ...
Страница 76: ...Power Supply Figure Figure ...
Страница 101: ...T8 7629 ...
Страница 102: ...T8 7629 ...
Страница 103: ...T8 7629 ...
Страница 104: ...T8 7629 ...
Страница 105: ...All Models 7629 PCB Locations ...
Страница 106: ...All Models 7629 Power Supply Diagram A1 ...
Страница 107: ...All Models 7629 Line Deflection Diagram A2 ...
Страница 108: ...All Models 7629 Frame Deflection Diagram A3 ...
Страница 109: ...All Models 7629 Tuner IF Diagram A4 ...
Страница 110: ...All Models 7629 Video IF And Sound IF Diagram A5 ...
Страница 111: ...All Models 7629 Synchronization Diagram A6 ...
Страница 112: ...All Models 7629 Control Diagram A7 ...
Страница 113: ...All Models 7629 Audio Amplifier Diagram A8 ...
Страница 114: ...All Models 7629 BTSC Stereo SAP Decoder Diagram A9 ...
Страница 115: ...All Models 7629 Audio Video Source Switching Diagram A10 ...
Страница 116: ...All Models 7629 BTSC NDBX Stereo Decoder Diagram A11 ...
Страница 117: ...All Models 7629 Front I O Control Headphone Diagram A12 ...
Страница 118: ...All Models 7629 Rear I O Cinch Diagram A13 ...
Страница 119: ...All Models 7629 PIP Interface Diagram A16 ...
Страница 120: ...All Models 7629 CRT Panel Diagram B1 ...
Страница 122: ...USED ONLY IN MODELS 27PS50B321 32PS55S321 32PS61S321 32PS55S331 7629 Side AV and Headphone Panel Diagram E1 ...
Страница 123: ...USED ONLY IN MODELS 27PS60S321 27RF72S325 32PS61S321 7629 PIP Panel Diagram P ...
Страница 125: ...USED ONLY IN MODELS PC0125C321 PC0127C321 7629 EPS Panel Schematic ...
Страница 126: ...USED ONLY IN MODELS PC0125C321 PC0127C321 7629 Card Interface Schematic ...
Страница 127: ...USED ONLY IN MODELS PC0125C321 PC0127C321 PL0125C321 PLW225S321 PRF227S325 7629 SP LS Panel Schematic ...
Страница 128: ...All Models 7629 Main Panel component side ...
Страница 129: ...All Models 7629 Main Panel copper side ...
Страница 130: ...All Models 7629 CRT Panel component side ...
Страница 131: ...All Models 7629 CRT Panel copper side ...
Страница 132: ...All Models 7629 Headphone Panel component side ...
Страница 133: ...All Models 7629 Side AV Panel component side ...
Страница 134: ...All Models 7629 PIP panel component side ...
Страница 135: ...All Models 7629 PIP panel copper side ...
Страница 136: ...All Models 7629 Top Control Panel component side ...
Страница 137: ...All Models 7629 EPS Panel PCB Top View only ...
Страница 138: ...All Models 7629 Card Interface Panel PCB Top View ...
Страница 139: ...All Models 7629 Card Interface Panel PCB Bottom View ...
Страница 140: ...MAIN CABINET EXPLODED VIEW ...