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2) FOCUS ADJUSTMENT
•
Turn in a local station and adjust the Focus Control knob (located on FBT) for best picture
details at high light condition.
3) RF AGC DELAY ADJUSTMENT (S5)
•
Receive a good local channel.
•
Enter the service mode and select service adjustment S5.
•
You can see the OSD as shown in below.
•
Select RFAGCD item, press the volume up or down button until noise or beat in picture disappears.
•
Press the DISPLAY button to memorize the data.
2. ASSEMBLY ADJUSTMENTS
1) SCREEN ADJUSTMENT (S2)
•
Enter the service mode and select service adjustment S2.
•
You cna see the one horizontal line on the screen.
•
Adjust the Screen Control Volume (located on FBT) so that the horizontal line onscreen may be
disappeared.
•
Press the volume up or down button to exit in the screen adjustment mode.
IN THE SCREEN ADJUSTMENT MODE, DONT PRESS OTHER BUTTONS EXCEPT VOLUME UP OR DOWN BUTTON.
NOTE
ALIGNMENT INSTRUCTIONS
IF CONTROL
AUTO VCO OK
VIF VCO ADJ 33
AUTO HVCO OK
HVCO ADJ 04
AUTO RFAGC START
RF-DELAY 90
AGC POINT 3.75
VCO CH NO 22 AGC CH NO 10
Summary of Contents for DTQ-14D4SSFM
Page 7: ...BLOCK DIAGRAM 6...
Page 14: ...13...
Page 17: ...16...
Page 18: ...17...
Page 29: ...28 Appendix IC DESCRIPTION III PIN DESCRIPTION...
Page 31: ...30 TROUBLESHOOTING GUIDE 1 NO POWER Appendix...
Page 32: ...40 42 63 2 3 62 59 58 41 26 27 64 7 31 30 22 VCC 5V 41 31 C517 DEF 180V 39 40 12 14 15 16 33...
Page 33: ...40 42 7 31 30 22 63 64 2 4 26 27 50 48 43 Z502 4 5M Trap Check ATT FILTER Circut C603 51 32...
Page 34: ...31 30 11 7 40 42 22 63 59 2 64 Vcc 5V Check T SDA SCL SVC S5 Key input Vco adjust 33...
Page 35: ...41 14 15 16 34 40 40 38 5 6 1 5 Check the voltage 25V Vertical IC Vcc 25V 34...
Page 36: ...37 38 22 33 36 35 34 24 21 22 23 27 26 30 31 Vcc 5V 15 22 Vcc 5V Check the voltage 35...