Daewoo DTQ-20D4SSFM, DTQ-14D4SSFM service manual Assembly Adjustments

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ALIGNMENT INSTRUCTIONS

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.

NOTE

IN THE SCREEN ADJUSTMENT MODE, DONT PRESS OTHER BUTTONS EXCEPT VOLUME UP OR DOWN BUTTON.

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.

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

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.

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Contents Chassis CN-001GM Table of Contents Product Safety Servicing Guidelines for Audio Video Products Safety Checks Subject Implosion Specifications Block Diagram Alignment Instructions Alignment Instructions Assembly Adjustments Geometric Adjustments S6 Contrast Parental Control Password Settings Page Exploded View Exploded View Page Page Electrical Parts List Electrical Parts List Fuse Coil Peaking 30K OHM J Auto FREE, 220V Differential Parts List Micom Outline IC Description KEY Function Valuev Appendix III. PIN Description M61250FP M61251FP Troubleshooting Guide C517 #51 SDA/SCL #41 #40 #34 #14 #15 #16 Check Voltage Vertical IC Vcc #38 Check Voltage Daewoo Electronics Corp